src/text3.C

   1 /* This file is part of
   2  * ======================================================
   3  *
   4  *           LyX, The Document Processor
   5  *
   6  *           Copyright 1995 Matthias Ettrich
   7  *           Copyright 1995-2002 The LyX Team.
   8  *
   9  * ====================================================== */
  10
  11 #include <config.h>
  12
  13 #include "lyxtext.h"
  14 #include "lyxrow.h"
  15 #include "paragraph.h"
  16 #include "BufferView.h"
  17 #include "funcrequest.h"
  18 #include "lyxrc.h"
  19 #include "Lsstream.h"
  20 #include "debug.h"
  21 #include "bufferparams.h"
  22 #include "buffer.h"
  23 #include "bufferview_funcs.h"
  24 #include "ParagraphParameters.h"
  25 #include "gettext.h"
  26 #include "factory.h"
  27 #include "intl.h"
  28 #include "box.h"
  29 #include "language.h"
  30 #include "support/tostr.h"
  31 #include "support/lstrings.h"
  32 #include "support/LAssert.h"
  33 #include "frontends/LyXView.h"
  34 #include "frontends/screen.h"
  35 #include "frontends/Dialogs.h"
  36 #include "insets/insetspecialchar.h"
  37 #include "insets/insettext.h"
  38 #include "insets/insetquotes.h"
  39 #include "insets/insetcommand.h"
  40 #include "insets/insetnewline.h"
  41 #include "undo_funcs.h"
  42 #include "text_funcs.h"
  43 #include "Lsstream.h"
  44
  45 #include <ctime>
  46 #include <clocale>
  47
  48 using namespace lyx::support;
  49 using namespace bv_funcs;
  50
  51 using std::endl;
  52 using std::find;
  53 using std::vector;
  54 using lyx::pos_type;
  55
  56 extern string current_layout;
  57 extern int bibitemMaxWidth(BufferView *, LyXFont const &);
  58
  59 // the selection possible is needed, that only motion events are
  60 // used, where the bottom press event was on the drawing area too
  61 bool selection_possible = false;
  62
  63
  64 namespace {
  65
  66         void moveCursorUpdate(BufferView * bv, bool selecting)
  67         {
  68                 LyXText * lt = bv->getLyXText();
  69
  70                 if (selecting || lt->selection.mark()) {
  71                         lt->setSelection();
  72                         if (lt->isInInset())
  73                                 bv->updateInset(lt->inset_owner);
  74                 }
  75                 bv->update();
  76
  77                 if (!lt->selection.set())
  78                         bv->haveSelection(false);
  79
  80                 bv->switchKeyMap();
  81         }
  82
  83
  84         void finishChange(BufferView * bv, bool selecting = false)
  85         {
  86                 finishUndo();
  87                 moveCursorUpdate(bv, selecting);
  88                 bv->owner()->view_state_changed();
  89         }
  90
  91         // check if the given co-ordinates are inside an inset at the
  92         // given cursor, if one exists. If so, the inset is returned,
  93         // and the co-ordinates are made relative. Otherwise, 0 is returned.
  94 InsetOld * checkInset(BufferView * /*bv*/, LyXText & text,
  95                 LyXCursor const & cur, int & x, int & y)
  96         {
  97                 lyx::pos_type const pos = cur.pos();
  98                 ParagraphList::iterator par = cur.par();
  99
 100                 if (pos >= par->size() || !par->isInset(pos))
 101                         return 0;
 102
 103                 InsetOld /*const*/ * inset = par->getInset(pos);
 104
 105                 if (!isEditableInset(inset))
 106                         return 0;
 107
 108                 // get inset dimensions
 109                 Assert(par->getInset(pos));
 110
 111                 LyXFont const & font = text.getFont(par, pos);
 112
 113                 int const width = inset->width();
 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(),
 121                         cur.iy() + inset->descent()
 122                 );
 123
 124                 if (!b.contained(x, y)) {
 125                         lyxerr[Debug::GUI] << "Missed inset at x,y "
 126                                            << x << ',' << y
 127                                            << " box " << b << endl;
 128                         return 0;
 129                 }
 130
 131                 text.setCursor(par, pos, true);
 132
 133                 x -= b.x1;
 134                 // The origin of an inset is on the baseline
 135                 y -= text.cursor.iy();
 136
 137                 return inset;
 138         }
 139
 140 } // anon namespace
 141
 142
 143 InsetOld * LyXText::checkInsetHit(int & x, int & y)
 144 {
 145         int y_tmp = y + top_y();
 146
 147         LyXCursor cur;
 148         setCursorFromCoordinates(cur, x, y_tmp);
 149
 150         InsetOld * inset = checkInset(bv(), *this, cur, x, y_tmp);
 151         if (inset) {
 152                 y = y_tmp;
 153                 return inset;
 154         }
 155
 156         // look at previous position
 157         if (cur.pos() == 0)
 158                 return 0;
 159
 160         // move back one
 161         setCursor(cur, cur.par(), cur.pos() - 1, true);
 162
 163         inset = checkInset(bv(), *this, cur, x, y_tmp);
 164         if (inset)
 165                 y = y_tmp;
 166         return inset;
 167 }
 168
 169
 170 bool LyXText::gotoNextInset(vector<InsetOld::Code> const & codes,
 171                             string const & contents)
 172 {
 173         ParagraphList::iterator end = ownerParagraphs().end();
 174         ParagraphList::iterator pit = cursor.par();
 175         pos_type pos = cursor.pos();
 176
 177         InsetOld * inset;
 178         do {
 179                 if (pos + 1 < pit->size()) {
 180                         ++pos;
 181                 } else  {
 182                         ++pit;
 183                         pos = 0;
 184                 }
 185
 186         } while (pit != end &&
 187                  !(pit->isInset(pos) &&
 188                    (inset = pit->getInset(pos)) != 0 &&
 189                    find(codes.begin(), codes.end(), inset->lyxCode()) != codes.end() &&
 190                    (contents.empty() ||
 191                     static_cast<InsetCommand *>(pit->getInset(pos))->getContents()
 192                     == contents)));
 193
 194         if (pit != end) {
 195                 setCursor(pit, pos, false);
 196                 return true;
 197         }
 198         return false;
 199 }
 200
 201
 202 void LyXText::gotoInset(vector<InsetOld::Code> const & codes,
 203                         bool same_content)
 204 {
 205         bv()->beforeChange(this);
 206
 207         string contents;
 208         if (same_content && cursor.pos() < cursor.par()->size()
 209             && cursor.par()->isInset(cursor.pos())) {
 210                 InsetOld const * inset = cursor.par()->getInset(cursor.pos());
 211                 if (find(codes.begin(), codes.end(), inset->lyxCode())
 212                     != codes.end())
 213                         contents = static_cast<InsetCommand const *>(inset)->getContents();
 214         }
 215
 216         if (!gotoNextInset(codes, contents)) {
 217                 if (cursor.pos() || cursor.par() != ownerParagraphs().begin()) {
 218                         LyXCursor tmp = cursor;
 219                         cursor.par(ownerParagraphs().begin());
 220                         cursor.pos(0);
 221                         if (!gotoNextInset(codes, contents)) {
 222                                 cursor = tmp;
 223                                 bv()->owner()->message(_("No more insets"));
 224                         }
 225                 } else {
 226                         bv()->owner()->message(_("No more insets"));
 227                 }
 228         }
 229         update();
 230         selection.cursor = cursor;
 231 }
 232
 233
 234 void LyXText::gotoInset(InsetOld::Code code, bool same_content)
 235 {
 236         gotoInset(vector<InsetOld::Code>(1, code), same_content);
 237 }
 238
 239
 240 void LyXText::cursorPrevious()
 241 {
 242         int y = top_y();
 243
 244         if (cursorRow() == rows().begin()) {
 245                 if (y > 0)
 246                         bv()->updateScrollbar();
 247                 return;
 248         }
 249
 250         RowList::iterator cursorrow = cursorRow();
 251
 252         setCursorFromCoordinates(cursor.x_fix(), y);
 253         finishUndo();
 254
 255         int new_y;
 256         if (cursorrow == bv()->text->cursorRow()) {
 257                 // we have a row which is taller than the workarea. The
 258                 // simplest solution is to move to the previous row instead.
 259                 cursorUp(true);
 260                 return;
 261                 // This is what we used to do, so we wouldn't skip right past
 262                 // tall rows, but it's not working right now.
 263         } else {
 264                 if (inset_owner) {
 265                         new_y = bv()->text->cursor.iy()
 266                                 + bv()->theLockingInset()->insetInInsetY() + y
 267                                 + cursorRow()->height()
 268                                 - bv()->workHeight() + 1;
 269                 } else {
 270                         new_y = cursor.y()
 271                                 - cursorRow()->baseline()
 272                                 + cursorRow()->height()
 273                                 - bv()->workHeight() + 1;
 274                 }
 275         }
 276         //bv()->screen().draw(bv()->text, bv(), new_y < 0 ? 0 : new_y);
 277         if (cursorRow() != rows().begin()) {
 278                 LyXCursor cur;
 279                 setCursor(cur, boost::prior(cursorRow())->par(),
 280                           boost::prior(cursorRow())->pos(), false);
 281                 if (cur.y() > top_y()) {
 282                         cursorUp(true);
 283                 }
 284         }
 285         bv()->updateScrollbar();
 286 }
 287
 288
 289 void LyXText::cursorNext()
 290 {
 291         int topy = top_y();
 292
 293         if (boost::next(cursorRow()) == rows().end()) {
 294                 int y = cursor.y() - cursorRow()->baseline() +
 295                         cursorRow()->height();
 296                 if (y > topy + bv()->workHeight()) {
 297                         //bv()->screen().draw(bv()->text, bv(), bv()->text->top_y() + bv()->workHeight());
 298                         bv()->updateScrollbar();
 299                 }
 300                 return;
 301         }
 302
 303         int y = topy + bv()->workHeight();
 304         if (inset_owner && !topy) {
 305                 y -= (bv()->text->cursor.iy()
 306                           - bv()->text->top_y()
 307                           + bv()->theLockingInset()->insetInInsetY());
 308         }
 309
 310         getRowNearY(y);
 311
 312         RowList::iterator cursorrow = cursorRow();
 313         setCursorFromCoordinates(cursor.x_fix(), y);
 314         // + bv->workHeight());
 315         finishUndo();
 316
 317         int new_y;
 318         if (cursorrow == bv()->text->cursorRow()) {
 319                 // we have a row which is taller than the workarea. The
 320                 // simplest solution is to move to the next row instead.
 321                 cursorDown(true);
 322                 return;
 323                 // This is what we used to do, so we wouldn't skip right past
 324                 // tall rows, but it's not working right now.
 325 #if 0
 326                 new_y = bv->text->top_y() + bv->workHeight();
 327 #endif
 328         } else {
 329                 if (inset_owner) {
 330                         new_y = bv()->text->cursor.iy()
 331                                 + bv()->theLockingInset()->insetInInsetY()
 332                                 + y - cursorRow()->baseline();
 333                 } else {
 334                         new_y =  cursor.y() - cursorRow()->baseline();
 335                 }
 336         }
 337         //bv()->screen().draw(bv()->text, bv(), new_y);
 338
 339         RowList::iterator next_row = boost::next(cursorRow());
 340         if (next_row != rows().end()) {
 341                 LyXCursor cur;
 342                 setCursor(cur, next_row->par(), next_row->pos(), false);
 343                 if (cur.y() < top_y() + bv()->workHeight()) {
 344                         cursorDown(true);
 345                 }
 346         }
 347         bv()->updateScrollbar();
 348 }
 349
 350
 351 void LyXText::update()
 352 {
 353         bv()->update();
 354 }
 355
 356 namespace {
 357
 358 void specialChar(LyXText * lt, BufferView * bv, InsetSpecialChar::Kind kind)
 359 {
 360         lt->update();
 361         InsetSpecialChar * new_inset = new InsetSpecialChar(kind);
 362         replaceSelection(lt);
 363         if (!bv->insertInset(new_inset))
 364                 delete new_inset;
 365         else
 366                 bv->updateInset(new_inset);
 367 }
 368
 369
 370 void doInsertInset(LyXText * lt, FuncRequest const & cmd,
 371                    bool edit, bool pastesel)
 372 {
 373         InsetOld * inset = createInset(cmd);
 374         BufferView * bv = cmd.view();
 375
 376         if (inset) {
 377                 bool gotsel = false;
 378                 if (lt->selection.set()) {
 379                         bv->owner()->dispatch(FuncRequest(LFUN_CUT));
 380                         gotsel = true;
 381                 }
 382                 if (bv->insertInset(inset)) {
 383                         if (edit) {
 384                                 FuncRequest cmd(bv, LFUN_INSET_EDIT, "left");
 385                                 inset->localDispatch(cmd);
 386                         }
 387                         if (gotsel && pastesel)
 388                                 bv->owner()->dispatch(FuncRequest(LFUN_PASTE));
 389                 }
 390                 else
 391                         delete inset;
 392         }
 393 }
 394
 395 }
 396
 397 InsetOld::RESULT LyXText::dispatch(FuncRequest const & cmd)
 398 {
 399         lyxerr[Debug::ACTION] << "LyXFunc::dispatch: action[" << cmd.action
 400                               <<"] arg[" << cmd.argument << ']' << endl;
 401
 402         BufferView * bv = cmd.view();
 403
 404         switch (cmd.action) {
 405
 406         case LFUN_APPENDIX: {
 407                 ParagraphList::iterator pit = cursor.par();
 408                 bool start = !pit->params().startOfAppendix();
 409
 410                 // ensure that we have only one start_of_appendix in this document
 411                 ParagraphList::iterator tmp = ownerParagraphs().begin();
 412                 ParagraphList::iterator end = ownerParagraphs().end();
 413
 414                 for (; tmp != end; ++tmp) {
 415                         if (tmp->params().startOfAppendix()) {
 416                                 recordUndo(bv, Undo::ATOMIC, tmp);
 417                                 tmp->params().startOfAppendix(false);
 418                                 int tmpy;
 419                                 setHeightOfRow(getRow(tmp, 0, tmpy));
 420                                 break;
 421                         }
 422                 }
 423
 424                 recordUndo(bv, Undo::ATOMIC, pit);
 425                 pit->params().startOfAppendix(start);
 426
 427                 // we can set the refreshing parameters now
 428                 updateCounters();
 429                 redoHeightOfParagraph();
 430                 setCursor(cursor.par(), cursor.pos());
 431                 update();
 432                 break;
 433         }
 434
 435         case LFUN_DELETE_WORD_FORWARD:
 436                 bv->beforeChange(this);
 437                 deleteWordForward();
 438                 update();
 439                 finishChange(bv);
 440                 break;
 441
 442         case LFUN_DELETE_WORD_BACKWARD:
 443                 bv->beforeChange(this);
 444                 deleteWordBackward();
 445                 update();
 446                 finishChange(bv);
 447                 break;
 448
 449         case LFUN_DELETE_LINE_FORWARD:
 450                 bv->beforeChange(this);
 451                 deleteLineForward();
 452                 update();
 453                 finishChange(bv);
 454                 break;
 455
 456         case LFUN_WORDRIGHT:
 457                 if (!selection.mark())
 458                         bv->beforeChange(this);
 459                 if (cursor.par()->isRightToLeftPar(bv->buffer()->params))
 460                         cursorLeftOneWord();
 461                 else
 462                         cursorRightOneWord();
 463                 finishChange(bv);
 464                 update();
 465                 break;
 466
 467         case LFUN_WORDLEFT:
 468                 if (!selection.mark())
 469                         bv->beforeChange(this);
 470                 if (cursor.par()->isRightToLeftPar(bv->buffer()->params))
 471                         cursorRightOneWord();
 472                 else
 473                         cursorLeftOneWord();
 474                 update();
 475                 finishChange(bv);
 476                 break;
 477
 478         case LFUN_BEGINNINGBUF:
 479                 if (!selection.mark())
 480                         bv->beforeChange(this);
 481                 update();
 482                 cursorTop();
 483                 finishChange(bv);
 484                 break;
 485
 486         case LFUN_ENDBUF:
 487                 if (selection.mark())
 488                         bv->beforeChange(this);
 489                 update();
 490                 cursorBottom();
 491                 finishChange(bv);
 492                 break;
 493
 494         case LFUN_RIGHTSEL:
 495                 update();
 496                 if (cursor.par()->isRightToLeftPar(bv->buffer()->params))
 497                         cursorLeft(bv);
 498                 else
 499                         cursorRight(bv);
 500                 finishChange(bv, true);
 501                 break;
 502
 503         case LFUN_LEFTSEL:
 504                 update();
 505                 if (cursor.par()->isRightToLeftPar(bv->buffer()->params))
 506                         cursorRight(bv);
 507                 else
 508                         cursorLeft(bv);
 509                 finishChange(bv, true);
 510                 break;
 511
 512         case LFUN_UPSEL:
 513                 update();
 514                 cursorUp(true);
 515                 finishChange(bv, true);
 516                 break;
 517
 518         case LFUN_DOWNSEL:
 519                 update();
 520                 cursorDown(true);
 521                 finishChange(bv, true);
 522                 break;
 523
 524         case LFUN_UP_PARAGRAPHSEL:
 525                 update();
 526                 cursorUpParagraph();
 527                 finishChange(bv, true);
 528                 break;
 529
 530         case LFUN_DOWN_PARAGRAPHSEL:
 531                 update();
 532                 cursorDownParagraph();
 533                 finishChange(bv, true);
 534                 break;
 535
 536         case LFUN_PRIORSEL:
 537                 update();
 538                 cursorPrevious();
 539                 finishChange(bv, true);
 540                 break;
 541
 542         case LFUN_NEXTSEL:
 543                 update();
 544                 cursorNext();
 545                 finishChange(bv, true);
 546                 break;
 547
 548         case LFUN_HOMESEL:
 549                 update();
 550                 cursorHome();
 551                 finishChange(bv, true);
 552                 break;
 553
 554         case LFUN_ENDSEL:
 555                 update();
 556                 cursorEnd();
 557                 finishChange(bv, true);
 558                 break;
 559
 560         case LFUN_WORDRIGHTSEL:
 561                 update();
 562                 if (cursor.par()->isRightToLeftPar(bv->buffer()->params))
 563                         cursorLeftOneWord();
 564                 else
 565                         cursorRightOneWord();
 566                 finishChange(bv, true);
 567                 break;
 568
 569         case LFUN_WORDLEFTSEL:
 570                 update();
 571                 if (cursor.par()->isRightToLeftPar(bv->buffer()->params))
 572                         cursorRightOneWord();
 573                 else
 574                         cursorLeftOneWord();
 575                 finishChange(bv, true);
 576                 break;
 577
 578         case LFUN_WORDSEL: {
 579                 update();
 580                 LyXCursor cur1 = cursor;
 581                 LyXCursor cur2;
 582                 ::getWord(cur1, cur2, lyx::WHOLE_WORD, ownerParagraphs());
 583                 setCursor(cur1.par(), cur1.pos());
 584                 bv->beforeChange(this);
 585                 setCursor(cur2.par(), cur2.pos());
 586                 finishChange(bv, true);
 587                 break;
 588         }
 589
 590         case LFUN_RIGHT: {
 591                 bool is_rtl = cursor.par()->isRightToLeftPar(bv->buffer()->params);
 592                 if (!selection.mark())
 593                         bv->beforeChange(this);
 594                 update();
 595                 if (is_rtl)
 596                         cursorLeft(false);
 597                 if (cursor.pos() < cursor.par()->size()
 598                     && cursor.par()->isInset(cursor.pos())
 599                     && isHighlyEditableInset(cursor.par()->getInset(cursor.pos()))) {
 600                         InsetOld * tmpinset = cursor.par()->getInset(cursor.pos());
 601                         cmd.message(tmpinset->editMessage());
 602                         FuncRequest cmd1(bv, LFUN_INSET_EDIT, is_rtl ? "right" : "left");
 603                         tmpinset->localDispatch(cmd1);
 604                         break;
 605                 }
 606                 if (!is_rtl)
 607                         cursorRight(false);
 608                 finishChange(bv);
 609                 break;
 610         }
 611
 612         case LFUN_LEFT: {
 613                 // This is soooo ugly. Isn`t it possible to make
 614                 // it simpler? (Lgb)
 615                 bool const is_rtl = cursor.par()->isRightToLeftPar(bv->buffer()->params);
 616                 if (!selection.mark())
 617                         bv->beforeChange(this);
 618                 update();
 619                 LyXCursor const cur = cursor;
 620                 if (!is_rtl)
 621                         cursorLeft(false);
 622                 if ((is_rtl || cur != cursor) && // only if really moved!
 623                     cursor.pos() < cursor.par()->size() &&
 624                     cursor.par()->isInset(cursor.pos()) &&
 625                     isHighlyEditableInset(cursor.par()->getInset(cursor.pos()))) {
 626                         InsetOld * tmpinset = cursor.par()->getInset(cursor.pos());
 627                         cmd.message(tmpinset->editMessage());
 628                         FuncRequest cmd1(bv, LFUN_INSET_EDIT, is_rtl ? "left" : "right");
 629                         tmpinset->localDispatch(cmd1);
 630                         break;
 631                 }
 632                 if (is_rtl)
 633                         cursorRight(false);
 634                 finishChange(bv);
 635                 break;
 636         }
 637
 638         case LFUN_UP:
 639                 if (!selection.mark())
 640                         bv->beforeChange(this);
 641                 bv->update();
 642                 cursorUp(false);
 643                 finishChange(bv);
 644                 break;
 645
 646         case LFUN_DOWN:
 647                 if (!selection.mark())
 648                         bv->beforeChange(this);
 649                 bv->update();
 650                 cursorDown(false);
 651                 finishChange(bv);
 652                 break;
 653
 654         case LFUN_UP_PARAGRAPH:
 655                 if (!selection.mark())
 656                         bv->beforeChange(this);
 657                 bv->update();
 658                 cursorUpParagraph();
 659                 finishChange(bv);
 660                 break;
 661
 662         case LFUN_DOWN_PARAGRAPH:
 663                 if (!selection.mark())
 664                         bv->beforeChange(this);
 665                 bv->update();
 666                 cursorDownParagraph();
 667                 finishChange(bv, false);
 668                 break;
 669
 670         case LFUN_PRIOR:
 671                 if (!selection.mark())
 672                         bv->beforeChange(this);
 673                 bv->update();
 674                 cursorPrevious();
 675                 finishChange(bv, false);
 676                 break;
 677
 678         case LFUN_NEXT:
 679                 if (!selection.mark())
 680                         bv->beforeChange(this);
 681                 bv->update();
 682                 cursorNext();
 683                 finishChange(bv, false);
 684                 break;
 685
 686         case LFUN_HOME:
 687                 if (!selection.mark())
 688                         bv->beforeChange(this);
 689                 update();
 690                 cursorHome();
 691                 finishChange(bv, false);
 692                 break;
 693
 694         case LFUN_END:
 695                 if (!selection.mark())
 696                         bv->beforeChange(this);
 697                 update();
 698                 cursorEnd();
 699                 finishChange(bv, false);
 700                 break;
 701
 702         case LFUN_BREAKLINE: {
 703                 lyx::pos_type body = cursor.par()->beginningOfBody();
 704
 705                 // Not allowed by LaTeX (labels or empty par)
 706                 if (cursor.pos() <= body)
 707                         break;
 708
 709                 replaceSelection(bv->getLyXText());
 710                 insertInset(new InsetNewline);
 711                 update();
 712                 setCursor(cursor.par(), cursor.pos());
 713                 moveCursorUpdate(bv, false);
 714                 break;
 715         }
 716
 717         case LFUN_DELETE:
 718                 if (!selection.set()) {
 719                         Delete();
 720                         selection.cursor = cursor;
 721                         update();
 722                         // It is possible to make it a lot faster still
 723                         // just comment out the line below...
 724                 } else {
 725                         cutSelection(true, false);
 726                         update();
 727                 }
 728                 moveCursorUpdate(bv, false);
 729                 bv->owner()->view_state_changed();
 730                 bv->switchKeyMap();
 731                 break;
 732
 733         case LFUN_DELETE_SKIP:
 734                 // Reverse the effect of LFUN_BREAKPARAGRAPH_SKIP.
 735                 if (!selection.set()) {
 736                         LyXCursor cur = cursor;
 737                         if (cur.pos() == cur.par()->size()) {
 738                                 cursorRight(bv);
 739                                 cur = cursor;
 740                                 if (cur.pos() == 0
 741                                     && !(cur.par()->params().spaceTop()
 742                                          == VSpace (VSpace::NONE))) {
 743                                         setParagraph(
 744                                                  cur.par()->params().lineTop(),
 745                                                  cur.par()->params().lineBottom(),
 746                                                  cur.par()->params().pagebreakTop(),
 747                                                  cur.par()->params().pagebreakBottom(),
 748                                                  VSpace(VSpace::NONE),
 749                                                  cur.par()->params().spaceBottom(),
 750                                                  cur.par()->params().spacing(),
 751                                                  cur.par()->params().align(),
 752                                                  cur.par()->params().labelWidthString(), 0);
 753                                         cursorLeft(bv);
 754                                 } else {
 755                                         cursorLeft(bv);
 756                                         Delete();
 757                                         selection.cursor = cursor;
 758                                 }
 759                         } else {
 760                                 Delete();
 761                                 selection.cursor = cursor;
 762                         }
 763                 } else {
 764                         cutSelection(true, false);
 765                 }
 766                 update();
 767                 break;
 768
 769
 770         case LFUN_BACKSPACE:
 771                 if (!selection.set()) {
 772                         if (bv->owner()->getIntl().getTransManager().backspace()) {
 773                                 backspace();
 774                                 selection.cursor = cursor;
 775                                 update();
 776                                 // It is possible to make it a lot faster still
 777                                 // just comment out the line below...
 778                         }
 779                 } else {
 780                         cutSelection(true, false);
 781                         update();
 782                 }
 783                 bv->owner()->view_state_changed();
 784                 bv->switchKeyMap();
 785                 break;
 786
 787         case LFUN_BACKSPACE_SKIP:
 788                 // Reverse the effect of LFUN_BREAKPARAGRAPH_SKIP.
 789                 if (!selection.set()) {
 790                         LyXCursor cur = cursor;
 791                         if (cur.pos() == 0
 792                             && !(cur.par()->params().spaceTop()
 793                                  == VSpace (VSpace::NONE))) {
 794                                 setParagraph(
 795                                          cur.par()->params().lineTop(),
 796                                          cur.par()->params().lineBottom(),
 797                                          cur.par()->params().pagebreakTop(),
 798                                          cur.par()->params().pagebreakBottom(),
 799                                          VSpace(VSpace::NONE), cur.par()->params().spaceBottom(),
 800                                          cur.par()->params().spacing(),
 801                                          cur.par()->params().align(),
 802                                          cur.par()->params().labelWidthString(), 0);
 803                         } else {
 804                                 backspace();
 805                                 selection.cursor = cur;
 806                         }
 807                 } else {
 808                         update();
 809                         cutSelection(true, false);
 810                 }
 811                 update();
 812                 break;
 813
 814         case LFUN_BREAKPARAGRAPH:
 815                 replaceSelection(bv->getLyXText());
 816                 breakParagraph(bv->buffer()->paragraphs, 0);
 817                 update();
 818                 selection.cursor = cursor;
 819                 bv->switchKeyMap();
 820                 bv->owner()->view_state_changed();
 821                 break;
 822
 823         case LFUN_BREAKPARAGRAPHKEEPLAYOUT:
 824                 replaceSelection(bv->getLyXText());
 825                 breakParagraph(bv->buffer()->paragraphs, 1);
 826                 update();
 827                 selection.cursor = cursor;
 828                 bv->switchKeyMap();
 829                 bv->owner()->view_state_changed();
 830                 break;
 831
 832         case LFUN_BREAKPARAGRAPH_SKIP: {
 833                 // When at the beginning of a paragraph, remove
 834                 // indentation and add a "defskip" at the top.
 835                 // Otherwise, do the same as LFUN_BREAKPARAGRAPH.
 836                 LyXCursor cur = cursor;
 837                 replaceSelection(bv->getLyXText());
 838                 if (cur.pos() == 0) {
 839                         if (cur.par()->params().spaceTop() == VSpace(VSpace::NONE)) {
 840                                 setParagraph(
 841                                          cur.par()->params().lineTop(),
 842                                          cur.par()->params().lineBottom(),
 843                                          cur.par()->params().pagebreakTop(),
 844                                          cur.par()->params().pagebreakBottom(),
 845                                          VSpace(VSpace::DEFSKIP), cur.par()->params().spaceBottom(),
 846                                          cur.par()->params().spacing(),
 847                                          cur.par()->params().align(),
 848                                          cur.par()->params().labelWidthString(), 1);
 849                         }
 850                 }
 851                 else {
 852                         breakParagraph(bv->buffer()->paragraphs, 0);
 853                 }
 854                 update();
 855                 selection.cursor = cur;
 856                 bv->switchKeyMap();
 857                 bv->owner()->view_state_changed();
 858                 break;
 859         }
 860
 861         case LFUN_PARAGRAPH_SPACING: {
 862                 ParagraphList::iterator pit = cursor.par();
 863                 Spacing::Space cur_spacing = pit->params().spacing().getSpace();
 864                 float cur_value = 1.0;
 865                 if (cur_spacing == Spacing::Other)
 866                         cur_value = pit->params().spacing().getValue();
 867
 868                 istringstream is(STRCONV(cmd.argument));
 869                 string tmp;
 870                 is >> tmp;
 871                 Spacing::Space new_spacing = cur_spacing;
 872                 float new_value = cur_value;
 873                 if (tmp.empty()) {
 874                         lyxerr << "Missing argument to `paragraph-spacing'"
 875                                << endl;
 876                 } else if (tmp == "single") {
 877                         new_spacing = Spacing::Single;
 878                 } else if (tmp == "onehalf") {
 879                         new_spacing = Spacing::Onehalf;
 880                 } else if (tmp == "double") {
 881                         new_spacing = Spacing::Double;
 882                 } else if (tmp == "other") {
 883                         new_spacing = Spacing::Other;
 884                         float tmpval = 0.0;
 885                         is >> tmpval;
 886                         lyxerr << "new_value = " << tmpval << endl;
 887                         if (tmpval != 0.0)
 888                                 new_value = tmpval;
 889                 } else if (tmp == "default") {
 890                         new_spacing = Spacing::Default;
 891                 } else {
 892                         lyxerr << _("Unknown spacing argument: ")
 893                                << cmd.argument << endl;
 894                 }
 895                 if (cur_spacing != new_spacing || cur_value != new_value) {
 896                         pit->params().spacing(Spacing(new_spacing, new_value));
 897                         redoParagraph();
 898                         update();
 899                 }
 900                 break;
 901         }
 902
 903         case LFUN_INSET_SETTINGS:
 904                 Assert(bv->theLockingInset());
 905                 bv->theLockingInset()->getLockingInset()->showInsetDialog(bv);
 906                 break;
 907
 908         case LFUN_INSET_TOGGLE:
 909                 bv->beforeChange(this);
 910                 update();
 911                 toggleInset();
 912                 update();
 913                 bv->switchKeyMap();
 914                 break;
 915
 916         case LFUN_SPACE_INSERT:
 917                 if (cursor.par()->layout()->free_spacing) {
 918                         insertChar(' ');
 919                         update();
 920                 } else {
 921                         doInsertInset(this, cmd, false, false);
 922                 }
 923                 moveCursorUpdate(bv, false);
 924                 break;
 925
 926         case LFUN_HYPHENATION:
 927                 specialChar(this, bv, InsetSpecialChar::HYPHENATION);
 928                 break;
 929
 930         case LFUN_LIGATURE_BREAK:
 931                 specialChar(this, bv, InsetSpecialChar::LIGATURE_BREAK);
 932                 break;
 933
 934         case LFUN_LDOTS:
 935                 specialChar(this, bv, InsetSpecialChar::LDOTS);
 936                 break;
 937
 938         case LFUN_END_OF_SENTENCE:
 939                 specialChar(this, bv, InsetSpecialChar::END_OF_SENTENCE);
 940                 break;
 941
 942         case LFUN_MENU_SEPARATOR:
 943                 specialChar(this, bv, InsetSpecialChar::MENU_SEPARATOR);
 944                 break;
 945
 946         case LFUN_MARK_OFF:
 947                 bv->beforeChange(this);
 948                 update();
 949                 selection.cursor = cursor;
 950                 cmd.message(N_("Mark off"));
 951                 break;
 952
 953         case LFUN_MARK_ON:
 954                 bv->beforeChange(this);
 955                 selection.mark(true);
 956                 update();
 957                 selection.cursor = cursor;
 958                 cmd.message(N_("Mark on"));
 959                 break;
 960
 961         case LFUN_SETMARK:
 962                 bv->beforeChange(this);
 963                 if (selection.mark()) {
 964                         update();
 965                         cmd.message(N_("Mark removed"));
 966                 } else {
 967                         selection.mark(true);
 968                         update();
 969                         cmd.message(N_("Mark set"));
 970                 }
 971                 selection.cursor = cursor;
 972                 break;
 973
 974         case LFUN_UPCASE_WORD:
 975                 update();
 976                 changeCase(LyXText::text_uppercase);
 977                 if (inset_owner)
 978                         bv->updateInset(inset_owner);
 979                 update();
 980                 break;
 981
 982         case LFUN_LOWCASE_WORD:
 983                 update();
 984                 changeCase(LyXText::text_lowercase);
 985                 if (inset_owner)
 986                         bv->updateInset(inset_owner);
 987                 update();
 988                 break;
 989
 990         case LFUN_CAPITALIZE_WORD:
 991                 update();
 992                 changeCase(LyXText::text_capitalization);
 993                 if (inset_owner)
 994                         bv->updateInset(inset_owner);
 995                 update();
 996                 break;
 997
 998         case LFUN_TRANSPOSE_CHARS:
 999                 update();
1000                 recordUndo(bv, Undo::ATOMIC, cursor.par());
1001                 if (transposeChars(cursor))
1002                         checkParagraph(cursor.par(), cursor.pos());
1003                 if (inset_owner)
1004                         bv->updateInset(inset_owner);
1005                 update();
1006                 break;
1007
1008         case LFUN_PASTE: {
1009                 cmd.message(_("Paste"));
1010                 replaceSelection(bv->getLyXText());
1011                 size_t sel_index = 0;
1012                 string const & arg = cmd.argument;
1013                 if (isStrUnsignedInt(arg)) {
1014                         size_t const paste_arg = strToUnsignedInt(arg);
1015 #warning FIXME Check if the arg is in the domain of available selections.
1016                         sel_index = paste_arg;
1017                 }
1018                 pasteSelection(sel_index);
1019                 clearSelection(); // bug 393
1020                 update();
1021                 bv->switchKeyMap();
1022                 break;
1023         }
1024
1025         case LFUN_CUT:
1026                 update();
1027                 cutSelection(true, true);
1028                 update();
1029                 cmd.message(_("Cut"));
1030                 break;
1031
1032         case LFUN_COPY:
1033                 copySelection();
1034                 cmd.message(_("Copy"));
1035                 break;
1036
1037         case LFUN_BEGINNINGBUFSEL:
1038                 if (inset_owner)
1039                         return UNDISPATCHED;
1040                 update();
1041                 cursorTop();
1042                 finishChange(bv, true);
1043                 break;
1044
1045         case LFUN_ENDBUFSEL:
1046                 if (inset_owner)
1047                         return UNDISPATCHED;
1048                 update();
1049                 cursorBottom();
1050                 finishChange(bv, true);
1051                 break;
1052
1053         case LFUN_GETXY:
1054                 cmd.message(tostr(cursor.x()) + ' ' + tostr(cursor.y()));
1055                 break;
1056
1057         case LFUN_SETXY: {
1058                 int x = 0;
1059                 int y = 0;
1060                 istringstream is(STRCONV(cmd.argument));
1061                 is >> x >> y;
1062                 if (!is)
1063                         lyxerr << "SETXY: Could not parse coordinates in '"
1064                                << cmd.argument << std::endl;
1065                 else
1066                         setCursorFromCoordinates(x, y);
1067                 break;
1068         }
1069
1070         case LFUN_GETFONT:
1071                 if (current_font.shape() == LyXFont::ITALIC_SHAPE)
1072                         cmd.message("E");
1073                 else if (current_font.shape() == LyXFont::SMALLCAPS_SHAPE)
1074                         cmd.message("N");
1075                 else
1076                         cmd.message("0");
1077                 break;
1078
1079         case LFUN_GETLAYOUT:
1080                 cmd.message(tostr(cursor.par()->layout()));
1081                 break;
1082
1083         case LFUN_LAYOUT: {
1084                 lyxerr[Debug::INFO] << "LFUN_LAYOUT: (arg) "
1085                   << cmd.argument << endl;
1086
1087                 // This is not the good solution to the empty argument
1088                 // problem, but it will hopefully suffice for 1.2.0.
1089                 // The correct solution would be to augument the
1090                 // function list/array with information about what
1091                 // functions needs arguments and their type.
1092                 if (cmd.argument.empty()) {
1093                         cmd.errorMessage(_("LyX function 'layout' needs an argument."));
1094                         break;
1095                 }
1096
1097                 // Derive layout number from given argument (string)
1098                 // and current buffer's textclass (number)
1099                 LyXTextClass const & tclass = bv->buffer()->params.getLyXTextClass();
1100                 bool hasLayout = tclass.hasLayout(cmd.argument);
1101                 string layout = cmd.argument;
1102
1103                 // If the entry is obsolete, use the new one instead.
1104                 if (hasLayout) {
1105                         string const & obs = tclass[layout]->obsoleted_by();
1106                         if (!obs.empty())
1107                                 layout = obs;
1108                 }
1109
1110                 if (!hasLayout) {
1111                         cmd.errorMessage(string(N_("Layout ")) + cmd.argument +
1112                                 N_(" not known"));
1113                         break;
1114                 }
1115
1116                 bool change_layout = (current_layout != layout);
1117
1118                 if (!change_layout && selection.set() &&
1119                         selection.start.par() != selection.end.par())
1120                 {
1121                         ParagraphList::iterator spit = selection.start.par();
1122                         ParagraphList::iterator epit = boost::next(selection.end.par());
1123                         while (spit != epit) {
1124                                 if (spit->layout()->name() != current_layout) {
1125                                         change_layout = true;
1126                                         break;
1127                                 }
1128                                 ++spit;
1129                         }
1130                 }
1131
1132                 if (change_layout) {
1133                         current_layout = layout;
1134                         update();
1135                         setLayout(layout);
1136                         bv->owner()->setLayout(layout);
1137                         update();
1138                         bv->switchKeyMap();
1139                 }
1140                 break;
1141         }
1142
1143         case LFUN_PASTESELECTION: {
1144                 if (!bv->buffer())
1145                         break;
1146                 // this was originally a beforeChange(bv->text), i.e
1147                 // the outermost LyXText!
1148                 bv->beforeChange(this);
1149                 string const clip = bv->getClipboard();
1150                 if (!clip.empty()) {
1151                         if (cmd.argument == "paragraph")
1152                                 insertStringAsParagraphs(clip);
1153                         else
1154                                 insertStringAsLines(clip);
1155                         clearSelection();
1156                         update();
1157                 }
1158                 break;
1159         }
1160
1161         case LFUN_GOTOERROR:
1162                 gotoInset(InsetOld::ERROR_CODE, false);
1163                 break;
1164
1165         case LFUN_GOTONOTE:
1166                 gotoInset(InsetOld::NOTE_CODE, false);
1167                 break;
1168
1169         case LFUN_REFERENCE_GOTO:
1170         {
1171                 vector<InsetOld::Code> tmp;
1172                 tmp.push_back(InsetOld::LABEL_CODE);
1173                 tmp.push_back(InsetOld::REF_CODE);
1174                 gotoInset(tmp, true);
1175                 break;
1176         }
1177
1178         case LFUN_QUOTE: {
1179                 replaceSelection(bv->getLyXText());
1180                 ParagraphList::iterator pit = cursor.par();
1181                 lyx::pos_type pos = cursor.pos();
1182                 char c;
1183                 if (!pos)
1184                         c = ' ';
1185                 else if (pit->isInset(pos - 1) && pit->getInset(pos - 1)->isSpace())
1186                         c = ' ';
1187                 else
1188                         c = pit->getChar(pos - 1);
1189
1190                 LyXLayout_ptr const & style = pit->layout();
1191
1192                 if (style->pass_thru ||
1193                                 pit->getFontSettings(bv->buffer()->params,
1194                                          pos).language()->lang() == "hebrew" ||
1195                         (!bv->insertInset(new InsetQuotes(c, bv->buffer()->params))))
1196                         bv->owner()->dispatch(FuncRequest(LFUN_SELFINSERT, "\""));
1197                 break;
1198         }
1199
1200         case LFUN_DATE_INSERT: {
1201                 replaceSelection(bv->getLyXText());
1202                 time_t now_time_t = time(NULL);
1203                 struct tm * now_tm = localtime(&now_time_t);
1204                 setlocale(LC_TIME, "");
1205                 string arg;
1206                 if (!cmd.argument.empty())
1207                         arg = cmd.argument;
1208                 else
1209                         arg = lyxrc.date_insert_format;
1210                 char datetmp[32];
1211                 int const datetmp_len =
1212                         ::strftime(datetmp, 32, arg.c_str(), now_tm);
1213
1214                 for (int i = 0; i < datetmp_len; i++) {
1215                         insertChar(datetmp[i]);
1216                         update();
1217                 }
1218                 selection.cursor = cursor;
1219                 moveCursorUpdate(bv, false);
1220                 break;
1221         }
1222
1223         case LFUN_MOUSE_TRIPLE:
1224                 if (!bv->buffer())
1225                         break;
1226                 if (!isInInset() && bv->theLockingInset())
1227                         break;
1228                 if (cmd.button() == mouse_button::button1) {
1229                         if (!isInInset())
1230                                 bv->screen().toggleSelection(this, bv);
1231                         cursorHome();
1232                         selection.cursor = cursor;
1233                         cursorEnd();
1234                         setSelection();
1235                         if (!isInInset())
1236                                 bv->screen().toggleSelection(this, bv, false);
1237                         update();
1238                         bv->haveSelection(selection.set());
1239                 }
1240                 break;
1241
1242         case LFUN_MOUSE_DOUBLE:
1243                 if (!bv->buffer())
1244                         break;
1245                 if (!isInInset() && bv->theLockingInset())
1246                         break;
1247                 if (cmd.button() == mouse_button::button1) {
1248                         if (!isInInset()) {
1249                                 bv->screen().toggleSelection(this, bv);
1250                                 selectWord(lyx::WHOLE_WORD_STRICT);
1251                                 bv->screen().toggleSelection(this, bv, false);
1252                         } else {
1253                                 selectWord(lyx::WHOLE_WORD_STRICT);
1254                         }
1255                         update();
1256                         bv->haveSelection(selection.set());
1257                 }
1258                 break;
1259
1260         case LFUN_MOUSE_MOTION:
1261         {
1262                 // Only use motion with button 1
1263                 //if (ev.button() != mouse_button::button1)
1264                 //      return false;
1265
1266                 if (!bv->buffer())
1267                         break;
1268
1269                 // Check for inset locking
1270                 if (bv->theLockingInset()) {
1271                         InsetOld * tli = bv->theLockingInset();
1272                         LyXCursor cursor = bv->text->cursor;
1273                         LyXFont font = bv->text->getFont(cursor.par(), cursor.pos());
1274                         int width = tli->width();
1275                         int inset_x = font.isVisibleRightToLeft()
1276                                 ? cursor.ix() - width : cursor.ix();
1277                         int start_x = inset_x + tli->scroll();
1278                         FuncRequest cmd1 = cmd;
1279                         cmd1.x = cmd.x - start_x;
1280                         cmd1.y = cmd.y - cursor.iy() + bv->text->top_y();
1281                         tli->localDispatch(cmd1);
1282                         break;
1283                 }
1284
1285                 // The test for not selection possible is needed, that only motion
1286                 // events are used, where the bottom press event was on
1287                 //  the drawing area too
1288                 if (!selection_possible) {
1289                         lyxerr[Debug::ACTION]
1290                                 << "BufferView::Pimpl::Dispatch: no selection possible\n";
1291                         break;
1292                 }
1293
1294                 RowList::iterator cursorrow = bv->text->cursorRow();
1295                 bv->text->setCursorFromCoordinates(cmd.x, cmd.y + bv->text->top_y());
1296         #if 0
1297                 // sorry for this but I have a strange error that the y value jumps at
1298                 // a certain point. This seems like an error in my xforms library or
1299                 // in some other local environment, but I would like to leave this here
1300                 // for the moment until I can remove this (Jug 20020418)
1301                 if (y_before < bv->text->cursor.y())
1302                         lyxerr << y_before << ':'
1303                                << bv->text->cursor.y() << endl;
1304         #endif
1305                 // This is to allow jumping over large insets
1306                 if (cursorrow == bv->text->cursorRow()) {
1307                         if (cmd.y >= bv->workHeight())
1308                                 bv->text->cursorDown(false);
1309                         else if (cmd.y < 0)
1310                                 bv->text->cursorUp(false);
1311                 }
1312
1313                 bv->text->setSelection();
1314                 bv->update();
1315                 bv->fitCursor();
1316                 break;
1317         }
1318
1319         // Single-click on work area
1320         case LFUN_MOUSE_PRESS:
1321         {
1322                 if (!bv->buffer())
1323                         break;
1324
1325                 // ok ok, this is a hack (for xforms)
1326                 // We shouldn't go further down as we really should only do the
1327                 // scrolling and be done with this. Otherwise we may open some
1328                 // dialogs (Jug 20020424).
1329                 if (cmd.button() == mouse_button::button4) {
1330                         bv->scroll(-lyxrc.wheel_jump);
1331                         break;
1332                 }
1333                 if (cmd.button() == mouse_button::button5) {
1334                         bv->scroll(lyxrc.wheel_jump);
1335                         break;
1336                 }
1337
1338                 int x = cmd.x;
1339                 int y = cmd.y;
1340                 InsetOld * inset_hit = bv->text->checkInsetHit(x, y);
1341
1342                 // Middle button press pastes if we have a selection
1343                 // We do this here as if the selection was inside an inset
1344                 // it could get cleared on the unlocking of the inset so
1345                 // we have to check this first
1346                 bool paste_internally = false;
1347                 if (cmd.button() == mouse_button::button2 && selection.set()) {
1348                         bv->owner()->dispatch(FuncRequest(LFUN_COPY));
1349                         paste_internally = true;
1350                 }
1351
1352                 int const screen_first = bv->text->top_y();
1353
1354                 if (bv->theLockingInset()) {
1355                         // We are in inset locking mode
1356
1357                         // Check whether the inset was hit. If not reset mode,
1358                         // otherwise give the event to the inset
1359                         if (inset_hit == bv->theLockingInset()) {
1360                                 FuncRequest cmd1(bv, LFUN_MOUSE_PRESS, x, y, cmd.button());
1361                                 bv->theLockingInset()->localDispatch(cmd1);
1362                                 break;
1363                         }
1364                         bv->unlockInset(bv->theLockingInset());
1365                 }
1366
1367                 if (!inset_hit)
1368                         selection_possible = true;
1369
1370                 // Clear the selection
1371                 bv->screen().toggleSelection(bv->text, bv);
1372                 bv->text->clearSelection();
1373                 bv->update();
1374                 bv->updateScrollbar();
1375
1376                 // Single left click in math inset?
1377                 if (isHighlyEditableInset(inset_hit)) {
1378                         // Highly editable inset, like math
1379                         UpdatableInset * inset = static_cast<UpdatableInset *>(inset_hit);
1380                         selection_possible = false;
1381                         bv->owner()->message(inset->editMessage());
1382                         // We just have to lock the inset before calling a PressEvent on it!
1383                         if (!bv->lockInset(inset))
1384                                 lyxerr[Debug::INSETS] << "Cannot lock inset" << endl;
1385                         FuncRequest cmd1(bv, LFUN_MOUSE_PRESS, x, y, cmd.button());
1386                         inset->localDispatch(cmd1);
1387                         break;
1388                 }
1389                 // I'm not sure we should continue here if we hit an inset (Jug20020403)
1390
1391                 // Right click on a footnote flag opens float menu
1392                 if (cmd.button() == mouse_button::button3) {
1393                         selection_possible = false;
1394                         break;
1395                 }
1396
1397                 if (!inset_hit) // otherwise it was already set in checkInsetHit(...)
1398                         bv->text->setCursorFromCoordinates(x, y + screen_first);
1399                 finishUndo();
1400                 bv->text->selection.cursor = bv->text->cursor;
1401                 bv->text->cursor.x_fix(bv->text->cursor.x());
1402
1403                 if (bv->fitCursor())
1404                         selection_possible = false;
1405
1406                 // Insert primary selection with middle mouse
1407                 // if there is a local selection in the current buffer,
1408                 // insert this
1409                 if (cmd.button() == mouse_button::button2) {
1410                         if (paste_internally)
1411                                 bv->owner()->dispatch(FuncRequest(LFUN_PASTE));
1412                         else
1413                                 bv->owner()->dispatch(FuncRequest(LFUN_PASTESELECTION, "paragraph"));
1414                         selection_possible = false;
1415                 }
1416                 break;
1417         }
1418
1419         case LFUN_MOUSE_RELEASE:
1420         {
1421                 // do nothing if we used the mouse wheel
1422                 if (!bv->buffer())
1423                         break;
1424
1425                 if (cmd.button() == mouse_button::button4
1426                  || cmd.button() == mouse_button::button5)
1427                         break;
1428
1429                 // If we hit an inset, we have the inset coordinates in these
1430                 // and inset_hit points to the inset.  If we do not hit an
1431                 // inset, inset_hit is 0, and inset_x == x, inset_y == y.
1432                 int x = cmd.x;
1433                 int y = cmd.y;
1434                 InsetOld * inset_hit = bv->text->checkInsetHit(x, y);
1435
1436                 if (bv->theLockingInset()) {
1437                         // We are in inset locking mode.
1438
1439                         // LyX does a kind of work-area grabbing for insets.
1440                         // Only a ButtonPress FuncRequest outside the inset will
1441                         // force a insetUnlock.
1442                         FuncRequest cmd1(bv, LFUN_MOUSE_RELEASE, x, y, cmd.button());
1443                         bv->theLockingInset()->localDispatch(cmd1);
1444                         break;
1445                 }
1446
1447                 selection_possible = false;
1448
1449                 if (cmd.button() == mouse_button::button2)
1450                         break;
1451
1452                 // finish selection
1453                 if (cmd.button() == mouse_button::button1)
1454                         bv->haveSelection(selection.set());
1455
1456                 bv->switchKeyMap();
1457                 bv->owner()->view_state_changed();
1458                 bv->owner()->updateMenubar();
1459                 bv->owner()->updateToolbar();
1460
1461                 // Did we hit an editable inset?
1462                 if (inset_hit) {
1463                         selection_possible = false;
1464
1465                         // if we reach this point with a selection, it
1466                         // must mean we are currently selecting.
1467                         // But we don't want to open the inset
1468                         // because that is annoying for the user.
1469                         // So just pretend we didn't hit it.
1470                         // this is OK because a "kosher" ButtonRelease
1471                         // will follow a ButtonPress that clears
1472                         // the selection.
1473                         // Note this also fixes selection drawing
1474                         // problems if we end up opening an inset
1475                         if (selection.set())
1476                                 break;
1477
1478                         // CHECK fix this proper in 0.13
1479                         // well, maybe 13.0 !!!!!!!!!
1480
1481                         // Following a ref shouldn't issue
1482                         // a push on the undo-stack
1483                         // anylonger, now that we have
1484                         // keybindings for following
1485                         // references and returning from
1486                         // references.  IMHO though, it
1487                         // should be the inset's own business
1488                         // to push or not push on the undo
1489                         // stack. They don't *have* to
1490                         // alter the document...
1491                         // (Joacim)
1492                         // ...or maybe the SetCursorParUndo()
1493                         // below isn't necessary at all anylonger?
1494                         if (inset_hit->lyxCode() == InsetOld::REF_CODE)
1495                                 recordUndo(bv, Undo::ATOMIC);
1496
1497                         bv->owner()->message(inset_hit->editMessage());
1498
1499                         FuncRequest cmd1(bv, LFUN_MOUSE_RELEASE, x, y, cmd.button());
1500                         inset_hit->localDispatch(cmd1);
1501                 }
1502
1503                 break;
1504         }
1505
1506         case LFUN_SELFINSERT: {
1507                 if (cmd.argument.empty())
1508                         break;
1509
1510                 // Automatically delete the currently selected
1511                 // text and replace it with what is being
1512                 // typed in now. Depends on lyxrc settings
1513                 // "auto_region_delete", which defaults to
1514                 // true (on).
1515
1516                 if (lyxrc.auto_region_delete) {
1517                         if (selection.set())
1518                                 cutSelection(false, false);
1519                         bv->haveSelection(false);
1520                 }
1521
1522                 bv->beforeChange(this);
1523                 LyXFont const old_font(real_current_font);
1524
1525                 string::const_iterator cit = cmd.argument.begin();
1526                 string::const_iterator end = cmd.argument.end();
1527                 for (; cit != end; ++cit)
1528                         bv->owner()->getIntl().getTransManager().
1529                                 TranslateAndInsert(*cit, this);
1530
1531                 update();
1532                 selection.cursor = cursor;
1533                 moveCursorUpdate(bv, false);
1534
1535                 // real_current_font.number can change so we need to
1536                 // update the minibuffer
1537                 if (old_font != real_current_font)
1538                         bv->owner()->view_state_changed();
1539                 break;
1540         }
1541
1542         case LFUN_HTMLURL: {
1543                 InsetCommandParams p("htmlurl");
1544                 string const data = InsetCommandMailer::params2string("url", p);
1545                 bv->owner()->getDialogs().show("url", data, 0);
1546                 break;
1547         }
1548
1549         case LFUN_URL: {
1550                 InsetCommandParams p("url");
1551                 string const data = InsetCommandMailer::params2string("url", p);
1552                 bv->owner()->getDialogs().show("url", data, 0);
1553                 break;
1554         }
1555
1556
1557 #if 0
1558         case LFUN_INSET_LIST:
1559         case LFUN_INSET_THEOREM:
1560         case LFUN_INSET_CAPTION:
1561 #endif
1562         case LFUN_INSERT_NOTE:
1563         case LFUN_INSERT_BIBITEM:
1564         case LFUN_INSET_ERT:
1565         case LFUN_INSET_FLOAT:
1566         case LFUN_INSET_FOOTNOTE:
1567         case LFUN_INSET_MARGINAL:
1568         case LFUN_INSET_MINIPAGE:
1569         case LFUN_INSET_OPTARG:
1570         case LFUN_INSET_WIDE_FLOAT:
1571         case LFUN_INSET_WRAP:
1572         case LFUN_TABULAR_INSERT:
1573         case LFUN_ENVIRONMENT_INSERT:
1574                 // Open the inset, and move the current selection
1575                 // inside it.
1576                 doInsertInset(this, cmd, true, true);
1577                 break;
1578
1579         case LFUN_INDEX_INSERT:
1580                 // Just open the inset
1581                 doInsertInset(this, cmd, true, false);
1582                 break;
1583
1584         case LFUN_INDEX_PRINT:
1585         case LFUN_TOC_INSERT:
1586         case LFUN_HFILL:
1587                 // do nothing fancy
1588                 doInsertInset(this, cmd, false, false);
1589                 break;
1590
1591         default:
1592                 return UNDISPATCHED;
1593         }
1594
1595         return DISPATCHED;
1596 }