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 "paragraph.h"
  15 #include "BufferView.h"
  16 #include "funcrequest.h"
  17 #include "lyxrc.h"
  18 #include "Lsstream.h"
  19 #include "debug.h"
  20 #include "bufferparams.h"
  21 #include "buffer.h"
  22 #include "bufferview_funcs.h"
  23 #include "ParagraphParameters.h"
  24 #include "gettext.h"
  25 #include "factory.h"
  26 #include "intl.h"
  27 #include "box.h"
  28 #include "language.h"
  29 #include "support/tostr.h"
  30 #include "support/lstrings.h"
  31 #include "support/LAssert.h"
  32 #include "frontends/LyXView.h"
  33 #include "frontends/screen.h"
  34 #include "frontends/Dialogs.h"
  35 #include "insets/insetspecialchar.h"
  36 #include "insets/insettext.h"
  37 #include "insets/insetquotes.h"
  38 #include "insets/insetcommand.h"
  39 #include "insets/insetnewline.h"
  40 #include "undo_funcs.h"
  41 #include "text_funcs.h"
  42 #include "Lsstream.h"
  43
  44 #include <ctime>
  45 #include <clocale>
  46
  47 using namespace lyx::support;
  48 using namespace bv_funcs;
  49
  50 using std::endl;
  51 using std::find;
  52 using std::vector;
  53 using lyx::pos_type;
  54
  55 extern string current_layout;
  56 extern int bibitemMaxWidth(BufferView *, LyXFont const &);
  57
  58 // the selection possible is needed, that only motion events are
  59 // used, where the bottom press event was on the drawing area too
  60 bool selection_possible = false;
  61
  62
  63 namespace {
  64
  65         void moveCursorUpdate(BufferView * bv, bool selecting)
  66         {
  67                 LyXText * lt = bv->getLyXText();
  68
  69                 //if (!lt->selection.set())
  70     //  lt->selection.cursor = lt->cursor;
  71
  72                 if (selecting || lt->selection.mark())
  73                         lt->setSelection();
  74
  75                 if (!lt->selection.set())
  76                         bv->haveSelection(false);
  77
  78                 bv->update();
  79                 bv->switchKeyMap();
  80         }
  81
  82
  83         void finishChange(BufferView * bv, bool selecting = false)
  84         {
  85                 finishUndo();
  86                 moveCursorUpdate(bv, selecting);
  87                 bv->owner()->view_state_changed();
  88         }
  89
  90         // check if the given co-ordinates are inside an inset at the
  91         // given cursor, if one exists. If so, the inset is returned,
  92         // and the co-ordinates are made relative. Otherwise, 0 is returned.
  93         InsetOld * checkInset(BufferView * /*bv*/, LyXText & text,
  94                 LyXCursor const & cur, int & x, int & y)
  95         {
  96                 lyx::pos_type const pos = cur.pos();
  97                 ParagraphList::iterator par = cur.par();
  98
  99                 if (pos >= par->size() || !par->isInset(pos))
 100                         return 0;
 101
 102                 InsetOld /*const*/ * inset = par->getInset(pos);
 103
 104                 if (!isEditableInset(inset))
 105                         return 0;
 106
 107                 // get inset dimensions
 108                 Assert(par->getInset(pos));
 109
 110                 LyXFont const & font = text.getFont(par, pos);
 111
 112                 int const width = inset->width();
 113                 int const inset_x = font.isVisibleRightToLeft()
 114                         ? (cur.ix() - width) : cur.ix();
 115
 116                 Box b(
 117                         inset_x + inset->scroll(),
 118                         inset_x + width,
 119                         cur.iy() - inset->ascent(),
 120                         cur.iy() + inset->descent()
 121                 );
 122
 123                 if (!b.contained(x, y)) {
 124                         lyxerr[Debug::GUI] << "Missed inset at x,y "
 125                                            << x << ',' << y
 126                                            << " box " << b << endl;
 127                         return 0;
 128                 }
 129
 130                 text.setCursor(par, pos, true);
 131
 132                 x -= b.x1;
 133                 // The origin of an inset is on the baseline
 134                 y -= text.cursor.iy();
 135
 136                 return inset;
 137         }
 138
 139 } // anon namespace
 140
 141
 142 InsetOld * LyXText::checkInsetHit(int & x, int & y)
 143 {
 144         int y_tmp = y + top_y();
 145
 146         LyXCursor cur;
 147         setCursorFromCoordinates(cur, x, y_tmp);
 148
 149         InsetOld * inset = checkInset(bv(), *this, cur, x, y_tmp);
 150         if (inset) {
 151                 y = y_tmp;
 152                 return inset;
 153         }
 154
 155         // look at previous position
 156         if (cur.pos() == 0)
 157                 return 0;
 158
 159         // move back one
 160         setCursor(cur, cur.par(), cur.pos() - 1, true);
 161
 162         inset = checkInset(bv(), *this, cur, x, y_tmp);
 163         if (inset)
 164                 y = y_tmp;
 165         return inset;
 166 }
 167
 168
 169 bool LyXText::gotoNextInset(vector<InsetOld::Code> const & codes,
 170                             string const & contents)
 171 {
 172         ParagraphList::iterator end = ownerParagraphs().end();
 173         ParagraphList::iterator pit = cursor.par();
 174         pos_type pos = cursor.pos();
 175
 176         InsetOld * inset;
 177         do {
 178                 if (pos + 1 < pit->size()) {
 179                         ++pos;
 180                 } else  {
 181                         ++pit;
 182                         pos = 0;
 183                 }
 184
 185         } while (pit != end &&
 186                  !(pit->isInset(pos) &&
 187                    (inset = pit->getInset(pos)) != 0 &&
 188                    find(codes.begin(), codes.end(), inset->lyxCode()) != codes.end() &&
 189                    (contents.empty() ||
 190                     static_cast<InsetCommand *>(pit->getInset(pos))->getContents()
 191                     == contents)));
 192
 193         if (pit != end) {
 194                 setCursor(pit, pos, false);
 195                 return true;
 196         }
 197         return false;
 198 }
 199
 200
 201 void LyXText::gotoInset(vector<InsetOld::Code> const & codes,
 202                         bool same_content)
 203 {
 204         bv()->beforeChange(this);
 205
 206         string contents;
 207         if (same_content && cursor.pos() < cursor.par()->size()
 208             && cursor.par()->isInset(cursor.pos())) {
 209                 InsetOld const * inset = cursor.par()->getInset(cursor.pos());
 210                 if (find(codes.begin(), codes.end(), inset->lyxCode())
 211                     != codes.end())
 212                         contents = static_cast<InsetCommand const *>(inset)->getContents();
 213         }
 214
 215         if (!gotoNextInset(codes, contents)) {
 216                 if (cursor.pos() || cursor.par() != ownerParagraphs().begin()) {
 217                         LyXCursor tmp = cursor;
 218                         cursor.par(ownerParagraphs().begin());
 219                         cursor.pos(0);
 220                         if (!gotoNextInset(codes, contents)) {
 221                                 cursor = tmp;
 222                                 bv()->owner()->message(_("No more insets"));
 223                         }
 224                 } else {
 225                         bv()->owner()->message(_("No more insets"));
 226                 }
 227         }
 228         bv()->update();
 229         selection.cursor = cursor;
 230 }
 231
 232
 233 void LyXText::gotoInset(InsetOld::Code code, bool same_content)
 234 {
 235         gotoInset(vector<InsetOld::Code>(1, code), same_content);
 236 }
 237
 238
 239 void LyXText::cursorPrevious()
 240 {
 241         int y = top_y();
 242
 243         RowList::iterator rit = cursorRow();
 244
 245         if (rit == firstRow()) {
 246                 if (y > 0)
 247                         bv()->updateScrollbar();
 248                 return;
 249         }
 250
 251         setCursorFromCoordinates(cursor.x_fix(), y);
 252         finishUndo();
 253
 254         int new_y;
 255         if (rit == bv()->text->cursorRow()) {
 256                 // we have a row which is taller than the workarea. The
 257                 // simplest solution is to move to the previous row instead.
 258                 cursorUp(true);
 259                 return;
 260                 // This is what we used to do, so we wouldn't skip right past
 261                 // tall rows, but it's not working right now.
 262         } else {
 263                 if (inset_owner) {
 264                         new_y = bv()->text->cursor.iy()
 265                                 + bv()->theLockingInset()->insetInInsetY() + y
 266                                 + rit->height()
 267                                 - bv()->workHeight() + 1;
 268                 } else {
 269                         new_y = cursor.y()
 270                                 - rit->baseline()
 271                                 + rit->height()
 272                                 - bv()->workHeight() + 1;
 273                 }
 274         }
 275
 276         LyXCursor cur;
 277         ParagraphList::iterator pit = cursor.par();
 278         previousRow(pit, rit);
 279         setCursor(cur, pit, rit->pos(), false);
 280         if (cur.y() > top_y())
 281                 cursorUp(true);
 282         bv()->updateScrollbar();
 283 }
 284
 285
 286 void LyXText::cursorNext()
 287 {
 288         int topy = top_y();
 289
 290         RowList::iterator rit = cursorRow();
 291         if (rit == lastRow()) {
 292                 int y = cursor.y() - rit->baseline() + cursorRow()->height();
 293                 if (y > topy + bv()->workHeight())
 294                         bv()->updateScrollbar();
 295                 return;
 296         }
 297
 298         int y = topy + bv()->workHeight();
 299         if (inset_owner && !topy) {
 300                 y -= (bv()->text->cursor.iy()
 301                           - bv()->text->top_y()
 302                           + bv()->theLockingInset()->insetInInsetY());
 303         }
 304
 305         ParagraphList::iterator dummypit;
 306         getRowNearY(y, dummypit);
 307
 308         setCursorFromCoordinates(cursor.x_fix(), y);
 309         // + bv->workHeight());
 310         finishUndo();
 311
 312         int new_y;
 313         if (rit == bv()->text->cursorRow()) {
 314                 // we have a row which is taller than the workarea. The
 315                 // simplest solution is to move to the next row instead.
 316                 cursorDown(true);
 317                 return;
 318                 // This is what we used to do, so we wouldn't skip right past
 319                 // tall rows, but it's not working right now.
 320 #if 0
 321                 new_y = bv->text->top_y() + bv->workHeight();
 322 #endif
 323         } else {
 324                 if (inset_owner) {
 325                         new_y = bv()->text->cursor.iy()
 326                                 + bv()->theLockingInset()->insetInInsetY()
 327                                 + y - rit->baseline();
 328                 } else {
 329                         new_y = cursor.y() - cursorRow()->baseline();
 330                 }
 331         }
 332
 333         ParagraphList::iterator pit = cursor.par();
 334         nextRow(pit, rit);
 335         LyXCursor cur;
 336         setCursor(cur, pit, rit->pos(), false);
 337         if (cur.y() < top_y() + bv()->workHeight())
 338                 cursorDown(true);
 339         bv()->updateScrollbar();
 340 }
 341
 342
 343 namespace {
 344
 345 void specialChar(LyXText * lt, BufferView * bv, InsetSpecialChar::Kind kind)
 346 {
 347         bv->update();
 348         InsetSpecialChar * new_inset = new InsetSpecialChar(kind);
 349         replaceSelection(lt);
 350         if (!bv->insertInset(new_inset))
 351                 delete new_inset;
 352         else
 353                 bv->updateInset();
 354 }
 355
 356
 357 void doInsertInset(LyXText * lt, FuncRequest const & cmd,
 358                    bool edit, bool pastesel)
 359 {
 360         InsetOld * inset = createInset(cmd);
 361         BufferView * bv = cmd.view();
 362
 363         if (inset) {
 364                 bool gotsel = false;
 365                 if (lt->selection.set()) {
 366                         bv->owner()->dispatch(FuncRequest(LFUN_CUT));
 367                         gotsel = true;
 368                 }
 369                 if (bv->insertInset(inset)) {
 370                         if (edit) {
 371                                 FuncRequest cmd(bv, LFUN_INSET_EDIT, "left");
 372                                 inset->localDispatch(cmd);
 373                         }
 374                         if (gotsel && pastesel)
 375                                 bv->owner()->dispatch(FuncRequest(LFUN_PASTE));
 376                 }
 377                 else
 378                         delete inset;
 379         }
 380 }
 381
 382 }
 383
 384 InsetOld::RESULT LyXText::dispatch(FuncRequest const & cmd)
 385 {
 386         lyxerr[Debug::ACTION] << "LyXFunc::dispatch: action[" << cmd.action
 387                               <<"] arg[" << cmd.argument << ']' << endl;
 388
 389         BufferView * bv = cmd.view();
 390
 391         switch (cmd.action) {
 392
 393         case LFUN_APPENDIX: {
 394                 ParagraphList::iterator pit = cursor.par();
 395                 bool start = !pit->params().startOfAppendix();
 396
 397                 // ensure that we have only one start_of_appendix in this document
 398                 ParagraphList::iterator tmp = ownerParagraphs().begin();
 399                 ParagraphList::iterator end = ownerParagraphs().end();
 400
 401                 for (; tmp != end; ++tmp) {
 402                         if (tmp->params().startOfAppendix()) {
 403                                 recordUndo(bv, Undo::ATOMIC, tmp);
 404                                 tmp->params().startOfAppendix(false);
 405                                 setHeightOfRow(tmp, getRow(tmp, 0));
 406                                 break;
 407                         }
 408                 }
 409
 410                 recordUndo(bv, Undo::ATOMIC, pit);
 411                 pit->params().startOfAppendix(start);
 412
 413                 // we can set the refreshing parameters now
 414                 updateCounters();
 415                 redoParagraph(cursor.par());
 416                 setCursor(cursor.par(), cursor.pos());
 417                 bv->update();
 418                 break;
 419         }
 420
 421         case LFUN_DELETE_WORD_FORWARD:
 422                 bv->beforeChange(this);
 423                 deleteWordForward();
 424                 finishChange(bv);
 425                 break;
 426
 427         case LFUN_DELETE_WORD_BACKWARD:
 428                 bv->beforeChange(this);
 429                 deleteWordBackward();
 430                 finishChange(bv);
 431                 break;
 432
 433         case LFUN_DELETE_LINE_FORWARD:
 434                 bv->beforeChange(this);
 435                 deleteLineForward();
 436                 finishChange(bv);
 437                 break;
 438
 439         case LFUN_WORDRIGHT:
 440                 if (!selection.mark())
 441                         bv->beforeChange(this);
 442                 if (cursor.par()->isRightToLeftPar(bv->buffer()->params))
 443                         cursorLeftOneWord();
 444                 else
 445                         cursorRightOneWord();
 446                 finishChange(bv);
 447                 break;
 448
 449         case LFUN_WORDLEFT:
 450                 if (!selection.mark())
 451                         bv->beforeChange(this);
 452                 if (cursor.par()->isRightToLeftPar(bv->buffer()->params))
 453                         cursorRightOneWord();
 454                 else
 455                         cursorLeftOneWord();
 456                 finishChange(bv);
 457                 break;
 458
 459         case LFUN_BEGINNINGBUF:
 460                 if (!selection.mark())
 461                         bv->beforeChange(this);
 462                 cursorTop();
 463                 finishChange(bv);
 464                 break;
 465
 466         case LFUN_ENDBUF:
 467                 if (selection.mark())
 468                         bv->beforeChange(this);
 469                 cursorBottom();
 470                 finishChange(bv);
 471                 break;
 472
 473         case LFUN_RIGHTSEL:
 474                 if (!selection.set())
 475                         selection.cursor = cursor;
 476                 if (cursor.par()->isRightToLeftPar(bv->buffer()->params))
 477                         cursorLeft(bv);
 478                 else
 479                         cursorRight(bv);
 480                 finishChange(bv, true);
 481                 break;
 482
 483         case LFUN_LEFTSEL:
 484                 if (!selection.set())
 485                         selection.cursor = cursor;
 486                 if (cursor.par()->isRightToLeftPar(bv->buffer()->params))
 487                         cursorRight(bv);
 488                 else
 489                         cursorLeft(bv);
 490                 finishChange(bv, true);
 491                 break;
 492
 493         case LFUN_UPSEL:
 494                 if (!selection.set())
 495                         selection.cursor = cursor;
 496                 cursorUp(true);
 497                 finishChange(bv, true);
 498                 break;
 499
 500         case LFUN_DOWNSEL:
 501                 if (!selection.set())
 502                         selection.cursor = cursor;
 503                 cursorDown(true);
 504                 finishChange(bv, true);
 505                 break;
 506
 507         case LFUN_UP_PARAGRAPHSEL:
 508                 if (!selection.set())
 509                         selection.cursor = cursor;
 510                 cursorUpParagraph();
 511                 finishChange(bv, true);
 512                 break;
 513
 514         case LFUN_DOWN_PARAGRAPHSEL:
 515                 if (!selection.set())
 516                         selection.cursor = cursor;
 517                 cursorDownParagraph();
 518                 finishChange(bv, true);
 519                 break;
 520
 521         case LFUN_PRIORSEL:
 522                 if (!selection.set())
 523                         selection.cursor = cursor;
 524                 cursorPrevious();
 525                 finishChange(bv, true);
 526                 break;
 527
 528         case LFUN_NEXTSEL:
 529                 if (!selection.set())
 530                         selection.cursor = cursor;
 531                 cursorNext();
 532                 finishChange(bv, true);
 533                 break;
 534
 535         case LFUN_HOMESEL:
 536                 if (!selection.set())
 537                         selection.cursor = cursor;
 538                 cursorHome();
 539                 finishChange(bv, true);
 540                 break;
 541
 542         case LFUN_ENDSEL:
 543                 if (!selection.set())
 544                         selection.cursor = cursor;
 545                 cursorEnd();
 546                 finishChange(bv, true);
 547                 break;
 548
 549         case LFUN_WORDRIGHTSEL:
 550                 if (cursor.par()->isRightToLeftPar(bv->buffer()->params))
 551                         cursorLeftOneWord();
 552                 else
 553                         cursorRightOneWord();
 554                 finishChange(bv, true);
 555                 break;
 556
 557         case LFUN_WORDLEFTSEL:
 558                 if (cursor.par()->isRightToLeftPar(bv->buffer()->params))
 559                         cursorRightOneWord();
 560                 else
 561                         cursorLeftOneWord();
 562                 finishChange(bv, true);
 563                 break;
 564
 565         case LFUN_WORDSEL: {
 566                 LyXCursor cur1 = cursor;
 567                 LyXCursor cur2;
 568                 ::getWord(cur1, cur2, lyx::WHOLE_WORD, ownerParagraphs());
 569                 setCursor(cur1.par(), cur1.pos());
 570                 bv->beforeChange(this);
 571                 setCursor(cur2.par(), cur2.pos());
 572                 finishChange(bv, true);
 573                 break;
 574         }
 575
 576         case LFUN_RIGHT: {
 577                 bool is_rtl = cursor.par()->isRightToLeftPar(bv->buffer()->params);
 578                 if (!selection.mark())
 579                         bv->beforeChange(this);
 580                 if (is_rtl)
 581                         cursorLeft(false);
 582                 if (cursor.pos() < cursor.par()->size()
 583                     && cursor.par()->isInset(cursor.pos())
 584                     && isHighlyEditableInset(cursor.par()->getInset(cursor.pos()))) {
 585                         InsetOld * tmpinset = cursor.par()->getInset(cursor.pos());
 586                         cmd.message(tmpinset->editMessage());
 587                         FuncRequest cmd1(bv, LFUN_INSET_EDIT, is_rtl ? "right" : "left");
 588                         tmpinset->localDispatch(cmd1);
 589                         break;
 590                 }
 591                 if (!is_rtl)
 592                         cursorRight(false);
 593                 finishChange(bv);
 594                 break;
 595         }
 596
 597         case LFUN_LEFT: {
 598                 // This is soooo ugly. Isn`t it possible to make
 599                 // it simpler? (Lgb)
 600                 bool const is_rtl = cursor.par()->isRightToLeftPar(bv->buffer()->params);
 601                 if (!selection.mark())
 602                         bv->beforeChange(this);
 603                 LyXCursor const cur = cursor;
 604                 if (!is_rtl)
 605                         cursorLeft(false);
 606                 if ((is_rtl || cur != cursor) && // only if really moved!
 607                     cursor.pos() < cursor.par()->size() &&
 608                     cursor.par()->isInset(cursor.pos()) &&
 609                     isHighlyEditableInset(cursor.par()->getInset(cursor.pos()))) {
 610                         InsetOld * tmpinset = cursor.par()->getInset(cursor.pos());
 611                         cmd.message(tmpinset->editMessage());
 612                         FuncRequest cmd1(bv, LFUN_INSET_EDIT, is_rtl ? "left" : "right");
 613                         tmpinset->localDispatch(cmd1);
 614                         break;
 615                 }
 616                 if (is_rtl)
 617                         cursorRight(false);
 618                 finishChange(bv);
 619                 break;
 620         }
 621
 622         case LFUN_UP:
 623                 if (!selection.mark())
 624                         bv->beforeChange(this);
 625                 cursorUp(false);
 626                 finishChange(bv);
 627                 break;
 628
 629         case LFUN_DOWN:
 630                 if (!selection.mark())
 631                         bv->beforeChange(this);
 632                 cursorDown(false);
 633                 finishChange(bv);
 634                 break;
 635
 636         case LFUN_UP_PARAGRAPH:
 637                 if (!selection.mark())
 638                         bv->beforeChange(this);
 639                 cursorUpParagraph();
 640                 finishChange(bv);
 641                 break;
 642
 643         case LFUN_DOWN_PARAGRAPH:
 644                 if (!selection.mark())
 645                         bv->beforeChange(this);
 646                 cursorDownParagraph();
 647                 finishChange(bv, false);
 648                 break;
 649
 650         case LFUN_PRIOR:
 651                 if (!selection.mark())
 652                         bv->beforeChange(this);
 653                 cursorPrevious();
 654                 finishChange(bv, false);
 655                 break;
 656
 657         case LFUN_NEXT:
 658                 if (!selection.mark())
 659                         bv->beforeChange(this);
 660                 cursorNext();
 661                 finishChange(bv, false);
 662                 break;
 663
 664         case LFUN_HOME:
 665                 if (!selection.mark())
 666                         bv->beforeChange(this);
 667                 cursorHome();
 668                 finishChange(bv, false);
 669                 break;
 670
 671         case LFUN_END:
 672                 if (!selection.mark())
 673                         bv->beforeChange(this);
 674                 cursorEnd();
 675                 finishChange(bv, false);
 676                 break;
 677
 678         case LFUN_BREAKLINE: {
 679                 lyx::pos_type body = cursor.par()->beginningOfBody();
 680
 681                 // Not allowed by LaTeX (labels or empty par)
 682                 if (cursor.pos() <= body)
 683                         break;
 684
 685                 replaceSelection(bv->getLyXText());
 686                 insertInset(new InsetNewline);
 687                 setCursor(cursor.par(), cursor.pos());
 688                 moveCursorUpdate(bv, false);
 689                 break;
 690         }
 691
 692         case LFUN_DELETE:
 693                 if (!selection.set()) {
 694                         Delete();
 695                         selection.cursor = cursor;
 696                         // It is possible to make it a lot faster still
 697                         // just comment out the line below...
 698                 } else {
 699                         cutSelection(true, false);
 700                 }
 701                 moveCursorUpdate(bv, false);
 702                 bv->owner()->view_state_changed();
 703                 break;
 704
 705         case LFUN_DELETE_SKIP:
 706                 // Reverse the effect of LFUN_BREAKPARAGRAPH_SKIP.
 707                 if (!selection.set()) {
 708                         LyXCursor cur = cursor;
 709                         if (cur.pos() == cur.par()->size()) {
 710                                 cursorRight(bv);
 711                                 cur = cursor;
 712                                 if (cur.pos() == 0
 713                                     && !(cur.par()->params().spaceTop()
 714                                          == VSpace (VSpace::NONE))) {
 715                                         setParagraph(
 716                                                  cur.par()->params().lineTop(),
 717                                                  cur.par()->params().lineBottom(),
 718                                                  cur.par()->params().pagebreakTop(),
 719                                                  cur.par()->params().pagebreakBottom(),
 720                                                  VSpace(VSpace::NONE),
 721                                                  cur.par()->params().spaceBottom(),
 722                                                  cur.par()->params().spacing(),
 723                                                  cur.par()->params().align(),
 724                                                  cur.par()->params().labelWidthString(), 0);
 725                                         cursorLeft(bv);
 726                                 } else {
 727                                         cursorLeft(bv);
 728                                         Delete();
 729                                         selection.cursor = cursor;
 730                                 }
 731                         } else {
 732                                 Delete();
 733                                 selection.cursor = cursor;
 734                         }
 735                 } else {
 736                         cutSelection(true, false);
 737                 }
 738                 bv->update();
 739                 break;
 740
 741
 742         case LFUN_BACKSPACE:
 743                 if (!selection.set()) {
 744                         if (bv->owner()->getIntl().getTransManager().backspace()) {
 745                                 backspace();
 746                                 selection.cursor = cursor;
 747                                 // It is possible to make it a lot faster still
 748                                 // just comment out the line below...
 749                         }
 750                 } else {
 751                         cutSelection(true, false);
 752                 }
 753                 bv->owner()->view_state_changed();
 754                 bv->switchKeyMap();
 755                 bv->update();
 756                 break;
 757
 758         case LFUN_BACKSPACE_SKIP:
 759                 // Reverse the effect of LFUN_BREAKPARAGRAPH_SKIP.
 760                 if (!selection.set()) {
 761                         LyXCursor cur = cursor;
 762                         if (cur.pos() == 0
 763                             && !(cur.par()->params().spaceTop() == VSpace(VSpace::NONE))) {
 764                                 setParagraph(
 765                                          cur.par()->params().lineTop(),
 766                                          cur.par()->params().lineBottom(),
 767                                          cur.par()->params().pagebreakTop(),
 768                                          cur.par()->params().pagebreakBottom(),
 769                                          VSpace(VSpace::NONE),
 770                                    cur.par()->params().spaceBottom(),
 771                                          cur.par()->params().spacing(),
 772                                          cur.par()->params().align(),
 773                                          cur.par()->params().labelWidthString(), 0);
 774                         } else {
 775                                 backspace();
 776                                 selection.cursor = cur;
 777                         }
 778                 } else {
 779                         cutSelection(true, false);
 780                 }
 781                 bv->update();
 782                 break;
 783
 784         case LFUN_BREAKPARAGRAPH:
 785                 replaceSelection(bv->getLyXText());
 786                 breakParagraph(bv->buffer()->paragraphs, 0);
 787                 bv->update();
 788                 selection.cursor = cursor;
 789                 bv->switchKeyMap();
 790                 bv->owner()->view_state_changed();
 791                 break;
 792
 793         case LFUN_BREAKPARAGRAPHKEEPLAYOUT:
 794                 replaceSelection(bv->getLyXText());
 795                 breakParagraph(bv->buffer()->paragraphs, 1);
 796                 bv->update();
 797                 selection.cursor = cursor;
 798                 bv->switchKeyMap();
 799                 bv->owner()->view_state_changed();
 800                 break;
 801
 802         case LFUN_BREAKPARAGRAPH_SKIP: {
 803                 // When at the beginning of a paragraph, remove
 804                 // indentation and add a "defskip" at the top.
 805                 // Otherwise, do the same as LFUN_BREAKPARAGRAPH.
 806                 LyXCursor cur = cursor;
 807                 replaceSelection(bv->getLyXText());
 808                 if (cur.pos() == 0) {
 809                         if (cur.par()->params().spaceTop() == VSpace(VSpace::NONE)) {
 810                                 setParagraph(
 811                                          cur.par()->params().lineTop(),
 812                                          cur.par()->params().lineBottom(),
 813                                          cur.par()->params().pagebreakTop(),
 814                                          cur.par()->params().pagebreakBottom(),
 815                                          VSpace(VSpace::DEFSKIP), cur.par()->params().spaceBottom(),
 816                                          cur.par()->params().spacing(),
 817                                          cur.par()->params().align(),
 818                                          cur.par()->params().labelWidthString(), 1);
 819                         }
 820                 }
 821                 else {
 822                         breakParagraph(bv->buffer()->paragraphs, 0);
 823                 }
 824                 bv->update();
 825                 selection.cursor = cur;
 826                 bv->switchKeyMap();
 827                 bv->owner()->view_state_changed();
 828                 break;
 829         }
 830
 831         case LFUN_PARAGRAPH_SPACING: {
 832                 ParagraphList::iterator pit = cursor.par();
 833                 Spacing::Space cur_spacing = pit->params().spacing().getSpace();
 834                 float cur_value = 1.0;
 835                 if (cur_spacing == Spacing::Other)
 836                         cur_value = pit->params().spacing().getValue();
 837
 838                 istringstream is(STRCONV(cmd.argument));
 839                 string tmp;
 840                 is >> tmp;
 841                 Spacing::Space new_spacing = cur_spacing;
 842                 float new_value = cur_value;
 843                 if (tmp.empty()) {
 844                         lyxerr << "Missing argument to `paragraph-spacing'"
 845                                << endl;
 846                 } else if (tmp == "single") {
 847                         new_spacing = Spacing::Single;
 848                 } else if (tmp == "onehalf") {
 849                         new_spacing = Spacing::Onehalf;
 850                 } else if (tmp == "double") {
 851                         new_spacing = Spacing::Double;
 852                 } else if (tmp == "other") {
 853                         new_spacing = Spacing::Other;
 854                         float tmpval = 0.0;
 855                         is >> tmpval;
 856                         lyxerr << "new_value = " << tmpval << endl;
 857                         if (tmpval != 0.0)
 858                                 new_value = tmpval;
 859                 } else if (tmp == "default") {
 860                         new_spacing = Spacing::Default;
 861                 } else {
 862                         lyxerr << _("Unknown spacing argument: ")
 863                                << cmd.argument << endl;
 864                 }
 865                 if (cur_spacing != new_spacing || cur_value != new_value) {
 866                         pit->params().spacing(Spacing(new_spacing, new_value));
 867                         redoParagraph();
 868                         bv->update();
 869                 }
 870                 break;
 871         }
 872
 873         case LFUN_INSET_SETTINGS:
 874                 Assert(bv->theLockingInset());
 875                 bv->theLockingInset()->getLockingInset()->showInsetDialog(bv);
 876                 break;
 877
 878         case LFUN_INSET_TOGGLE:
 879                 bv->beforeChange(this);
 880                 toggleInset();
 881                 bv->update();
 882                 bv->switchKeyMap();
 883                 break;
 884
 885         case LFUN_SPACE_INSERT:
 886                 if (cursor.par()->layout()->free_spacing)
 887                         insertChar(' ');
 888                 else
 889                         doInsertInset(this, cmd, false, false);
 890                 moveCursorUpdate(bv, false);
 891                 break;
 892
 893         case LFUN_HYPHENATION:
 894                 specialChar(this, bv, InsetSpecialChar::HYPHENATION);
 895                 break;
 896
 897         case LFUN_LIGATURE_BREAK:
 898                 specialChar(this, bv, InsetSpecialChar::LIGATURE_BREAK);
 899                 break;
 900
 901         case LFUN_LDOTS:
 902                 specialChar(this, bv, InsetSpecialChar::LDOTS);
 903                 break;
 904
 905         case LFUN_END_OF_SENTENCE:
 906                 specialChar(this, bv, InsetSpecialChar::END_OF_SENTENCE);
 907                 break;
 908
 909         case LFUN_MENU_SEPARATOR:
 910                 specialChar(this, bv, InsetSpecialChar::MENU_SEPARATOR);
 911                 break;
 912
 913         case LFUN_MARK_OFF:
 914                 bv->beforeChange(this);
 915                 bv->update();
 916                 selection.cursor = cursor;
 917                 cmd.message(N_("Mark off"));
 918                 break;
 919
 920         case LFUN_MARK_ON:
 921                 bv->beforeChange(this);
 922                 selection.mark(true);
 923                 bv->update();
 924                 selection.cursor = cursor;
 925                 cmd.message(N_("Mark on"));
 926                 break;
 927
 928         case LFUN_SETMARK:
 929                 bv->beforeChange(this);
 930                 if (selection.mark()) {
 931                         cmd.message(N_("Mark removed"));
 932                 } else {
 933                         selection.mark(true);
 934                         cmd.message(N_("Mark set"));
 935                 }
 936                 selection.cursor = cursor;
 937                 bv->update();
 938                 break;
 939
 940         case LFUN_UPCASE_WORD:
 941                 changeCase(LyXText::text_uppercase);
 942                 bv->update();
 943                 break;
 944
 945         case LFUN_LOWCASE_WORD:
 946                 changeCase(LyXText::text_lowercase);
 947                 bv->update();
 948                 break;
 949
 950         case LFUN_CAPITALIZE_WORD:
 951                 changeCase(LyXText::text_capitalization);
 952                 bv->update();
 953                 break;
 954
 955         case LFUN_TRANSPOSE_CHARS:
 956                 recordUndo(bv, Undo::ATOMIC, cursor.par());
 957                 redoParagraph();
 958                 bv->update();
 959                 break;
 960
 961         case LFUN_PASTE: {
 962                 cmd.message(_("Paste"));
 963                 replaceSelection(bv->getLyXText());
 964                 size_t sel_index = 0;
 965                 string const & arg = cmd.argument;
 966                 if (isStrUnsignedInt(arg)) {
 967                         size_t const paste_arg = strToUnsignedInt(arg);
 968 #warning FIXME Check if the arg is in the domain of available selections.
 969                         sel_index = paste_arg;
 970                 }
 971                 pasteSelection(sel_index);
 972                 clearSelection(); // bug 393
 973                 bv->update();
 974                 bv->switchKeyMap();
 975                 break;
 976         }
 977
 978         case LFUN_CUT:
 979                 cutSelection(true, true);
 980                 cmd.message(_("Cut"));
 981                 bv->update();
 982                 break;
 983
 984         case LFUN_COPY:
 985                 copySelection();
 986                 cmd.message(_("Copy"));
 987                 break;
 988
 989         case LFUN_BEGINNINGBUFSEL:
 990                 if (inset_owner)
 991                         return UNDISPATCHED;
 992                 cursorTop();
 993                 finishChange(bv, true);
 994                 break;
 995
 996         case LFUN_ENDBUFSEL:
 997                 if (inset_owner)
 998                         return UNDISPATCHED;
 999                 cursorBottom();
1000                 finishChange(bv, true);
1001                 break;
1002
1003         case LFUN_GETXY:
1004                 cmd.message(tostr(cursor.x()) + ' ' + tostr(cursor.y()));
1005                 break;
1006
1007         case LFUN_SETXY: {
1008                 int x = 0;
1009                 int y = 0;
1010                 istringstream is(STRCONV(cmd.argument));
1011                 is >> x >> y;
1012                 if (!is)
1013                         lyxerr << "SETXY: Could not parse coordinates in '"
1014                                << cmd.argument << std::endl;
1015                 else
1016                         setCursorFromCoordinates(x, y);
1017                 break;
1018         }
1019
1020         case LFUN_GETFONT:
1021                 if (current_font.shape() == LyXFont::ITALIC_SHAPE)
1022                         cmd.message("E");
1023                 else if (current_font.shape() == LyXFont::SMALLCAPS_SHAPE)
1024                         cmd.message("N");
1025                 else
1026                         cmd.message("0");
1027                 break;
1028
1029         case LFUN_GETLAYOUT:
1030                 cmd.message(tostr(cursor.par()->layout()));
1031                 break;
1032
1033         case LFUN_LAYOUT: {
1034                 lyxerr[Debug::INFO] << "LFUN_LAYOUT: (arg) "
1035                   << cmd.argument << endl;
1036
1037                 // This is not the good solution to the empty argument
1038                 // problem, but it will hopefully suffice for 1.2.0.
1039                 // The correct solution would be to augument the
1040                 // function list/array with information about what
1041                 // functions needs arguments and their type.
1042                 if (cmd.argument.empty()) {
1043                         cmd.errorMessage(_("LyX function 'layout' needs an argument."));
1044                         break;
1045                 }
1046
1047                 // Derive layout number from given argument (string)
1048                 // and current buffer's textclass (number)
1049                 LyXTextClass const & tclass = bv->buffer()->params.getLyXTextClass();
1050                 bool hasLayout = tclass.hasLayout(cmd.argument);
1051                 string layout = cmd.argument;
1052
1053                 // If the entry is obsolete, use the new one instead.
1054                 if (hasLayout) {
1055                         string const & obs = tclass[layout]->obsoleted_by();
1056                         if (!obs.empty())
1057                                 layout = obs;
1058                 }
1059
1060                 if (!hasLayout) {
1061                         cmd.errorMessage(string(N_("Layout ")) + cmd.argument +
1062                                 N_(" not known"));
1063                         break;
1064                 }
1065
1066                 bool change_layout = (current_layout != layout);
1067
1068                 if (!change_layout && selection.set() &&
1069                         selection.start.par() != selection.end.par())
1070                 {
1071                         ParagraphList::iterator spit = selection.start.par();
1072                         ParagraphList::iterator epit = boost::next(selection.end.par());
1073                         while (spit != epit) {
1074                                 if (spit->layout()->name() != current_layout) {
1075                                         change_layout = true;
1076                                         break;
1077                                 }
1078                                 ++spit;
1079                         }
1080                 }
1081
1082                 if (change_layout) {
1083                         current_layout = layout;
1084                         setLayout(layout);
1085                         bv->owner()->setLayout(layout);
1086                         bv->update();
1087                         bv->switchKeyMap();
1088                 }
1089                 break;
1090         }
1091
1092         case LFUN_PASTESELECTION: {
1093                 // this was originally a beforeChange(bv->text), i.e
1094                 // the outermost LyXText!
1095                 bv->beforeChange(this);
1096                 string const clip = bv->getClipboard();
1097                 if (!clip.empty()) {
1098                         if (cmd.argument == "paragraph")
1099                                 insertStringAsParagraphs(clip);
1100                         else
1101                                 insertStringAsLines(clip);
1102                         clearSelection();
1103                         bv->update();
1104                 }
1105                 break;
1106         }
1107
1108         case LFUN_GOTOERROR:
1109                 gotoInset(InsetOld::ERROR_CODE, false);
1110                 break;
1111
1112         case LFUN_GOTONOTE:
1113                 gotoInset(InsetOld::NOTE_CODE, false);
1114                 break;
1115
1116         case LFUN_REFERENCE_GOTO:
1117         {
1118                 vector<InsetOld::Code> tmp;
1119                 tmp.push_back(InsetOld::LABEL_CODE);
1120                 tmp.push_back(InsetOld::REF_CODE);
1121                 gotoInset(tmp, true);
1122                 break;
1123         }
1124
1125         case LFUN_QUOTE: {
1126                 replaceSelection(bv->getLyXText());
1127                 ParagraphList::iterator pit = cursor.par();
1128                 lyx::pos_type pos = cursor.pos();
1129                 char c;
1130                 if (!pos)
1131                         c = ' ';
1132                 else if (pit->isInset(pos - 1) && pit->getInset(pos - 1)->isSpace())
1133                         c = ' ';
1134                 else
1135                         c = pit->getChar(pos - 1);
1136
1137                 LyXLayout_ptr const & style = pit->layout();
1138
1139                 if (style->pass_thru ||
1140                                 pit->getFontSettings(bv->buffer()->params,
1141                                          pos).language()->lang() == "hebrew" ||
1142                         (!bv->insertInset(new InsetQuotes(c, bv->buffer()->params))))
1143                         bv->owner()->dispatch(FuncRequest(LFUN_SELFINSERT, "\""));
1144                 break;
1145         }
1146
1147         case LFUN_DATE_INSERT: {
1148                 replaceSelection(bv->getLyXText());
1149                 time_t now_time_t = time(NULL);
1150                 struct tm * now_tm = localtime(&now_time_t);
1151                 setlocale(LC_TIME, "");
1152                 string arg;
1153                 if (!cmd.argument.empty())
1154                         arg = cmd.argument;
1155                 else
1156                         arg = lyxrc.date_insert_format;
1157                 char datetmp[32];
1158                 int const datetmp_len =
1159                         ::strftime(datetmp, 32, arg.c_str(), now_tm);
1160
1161                 for (int i = 0; i < datetmp_len; i++)
1162                         insertChar(datetmp[i]);
1163
1164                 selection.cursor = cursor;
1165                 moveCursorUpdate(bv, false);
1166                 break;
1167         }
1168
1169         case LFUN_MOUSE_TRIPLE:
1170                 if (!bv->buffer())
1171                         break;
1172                 if (!isInInset() && bv->theLockingInset())
1173                         break;
1174                 if (cmd.button() == mouse_button::button1) {
1175                         cursorHome();
1176                         selection.cursor = cursor;
1177                         cursorEnd();
1178                         setSelection();
1179                         bv->update();
1180                         bv->haveSelection(selection.set());
1181                 }
1182                 break;
1183
1184         case LFUN_MOUSE_DOUBLE:
1185                 if (!bv->buffer())
1186                         break;
1187                 if (!isInInset() && bv->theLockingInset())
1188                         break;
1189                 if (cmd.button() == mouse_button::button1) {
1190                         selectWord(lyx::WHOLE_WORD_STRICT);
1191                         bv->update();
1192                         bv->haveSelection(selection.set());
1193                 }
1194                 break;
1195
1196         case LFUN_MOUSE_MOTION:
1197         {
1198                 // Only use motion with button 1
1199                 //if (ev.button() != mouse_button::button1)
1200                 //      return false;
1201
1202                 if (!bv->buffer())
1203                         break;
1204
1205                 // Check for inset locking
1206                 if (bv->theLockingInset()) {
1207                         InsetOld * tli = bv->theLockingInset();
1208                         LyXCursor cursor = bv->text->cursor;
1209                         LyXFont font = bv->text->getFont(cursor.par(), cursor.pos());
1210                         int width = tli->width();
1211                         int inset_x = font.isVisibleRightToLeft()
1212                                 ? cursor.ix() - width : cursor.ix();
1213                         int start_x = inset_x + tli->scroll();
1214                         FuncRequest cmd1 = cmd;
1215                         cmd1.x = cmd.x - start_x;
1216                         cmd1.y = cmd.y - cursor.iy() + bv->text->top_y();
1217                         tli->localDispatch(cmd1);
1218                         break;
1219                 }
1220
1221                 // The test for not selection possible is needed, that only motion
1222                 // events are used, where the bottom press event was on
1223                 //  the drawing area too
1224                 if (!selection_possible) {
1225                         lyxerr[Debug::ACTION]
1226                                 << "BufferView::Pimpl::Dispatch: no selection possible\n";
1227                         break;
1228                 }
1229
1230                 RowList::iterator cursorrow = bv->text->cursorRow();
1231                 bv->text->setCursorFromCoordinates(cmd.x, cmd.y + bv->text->top_y());
1232         #if 0
1233                 // sorry for this but I have a strange error that the y value jumps at
1234                 // a certain point. This seems like an error in my xforms library or
1235                 // in some other local environment, but I would like to leave this here
1236                 // for the moment until I can remove this (Jug 20020418)
1237                 if (y_before < bv->text->cursor.y())
1238                         lyxerr << y_before << ':'
1239                                << bv->text->cursor.y() << endl;
1240         #endif
1241                 // This is to allow jumping over large insets
1242                 if (cursorrow == bv->text->cursorRow()) {
1243                         if (cmd.y >= bv->workHeight())
1244                                 bv->text->cursorDown(false);
1245                         else if (cmd.y < 0)
1246                                 bv->text->cursorUp(false);
1247                 }
1248
1249                 bv->text->setSelection();
1250                 bv->update();
1251                 break;
1252         }
1253
1254         // Single-click on work area
1255         case LFUN_MOUSE_PRESS:
1256         {
1257                 if (!bv->buffer())
1258                         break;
1259
1260                 // ok ok, this is a hack (for xforms)
1261                 // We shouldn't go further down as we really should only do the
1262                 // scrolling and be done with this. Otherwise we may open some
1263                 // dialogs (Jug 20020424).
1264                 if (cmd.button() == mouse_button::button4) {
1265                         bv->scroll(-lyxrc.wheel_jump);
1266                         break;
1267                 }
1268                 if (cmd.button() == mouse_button::button5) {
1269                         bv->scroll(lyxrc.wheel_jump);
1270                         break;
1271                 }
1272
1273                 int x = cmd.x;
1274                 int y = cmd.y;
1275                 InsetOld * inset_hit = bv->text->checkInsetHit(x, y);
1276
1277                 // Middle button press pastes if we have a selection
1278                 // We do this here as if the selection was inside an inset
1279                 // it could get cleared on the unlocking of the inset so
1280                 // we have to check this first
1281                 bool paste_internally = false;
1282                 if (cmd.button() == mouse_button::button2 && selection.set()) {
1283                         bv->owner()->dispatch(FuncRequest(LFUN_COPY));
1284                         paste_internally = true;
1285                 }
1286
1287                 int const screen_first = bv->text->top_y();
1288
1289                 if (bv->theLockingInset()) {
1290                         // We are in inset locking mode
1291
1292                         // Check whether the inset was hit. If not reset mode,
1293                         // otherwise give the event to the inset
1294                         if (inset_hit == bv->theLockingInset()) {
1295                                 FuncRequest cmd1(bv, LFUN_MOUSE_PRESS, x, y, cmd.button());
1296                                 bv->theLockingInset()->localDispatch(cmd1);
1297                                 break;
1298                         }
1299                         bv->unlockInset(bv->theLockingInset());
1300                 }
1301
1302                 if (!inset_hit)
1303                         selection_possible = true;
1304
1305                 // Clear the selection
1306                 bv->text->clearSelection();
1307                 bv->update();
1308                 bv->updateScrollbar();
1309
1310                 // Single left click in math inset?
1311                 if (isHighlyEditableInset(inset_hit)) {
1312                         // Highly editable inset, like math
1313                         UpdatableInset * inset = static_cast<UpdatableInset *>(inset_hit);
1314                         selection_possible = false;
1315                         bv->owner()->message(inset->editMessage());
1316                         // We just have to lock the inset before calling a PressEvent on it!
1317                         if (!bv->lockInset(inset))
1318                                 lyxerr[Debug::INSETS] << "Cannot lock inset" << endl;
1319                         FuncRequest cmd1(bv, LFUN_MOUSE_PRESS, x, y, cmd.button());
1320                         inset->localDispatch(cmd1);
1321                         break;
1322                 }
1323                 // I'm not sure we should continue here if we hit an inset (Jug20020403)
1324
1325                 // Right click on a footnote flag opens float menu
1326                 if (cmd.button() == mouse_button::button3) {
1327                         selection_possible = false;
1328                         break;
1329                 }
1330
1331                 if (!inset_hit) // otherwise it was already set in checkInsetHit(...)
1332                         bv->text->setCursorFromCoordinates(x, y + screen_first);
1333                 finishUndo();
1334                 bv->text->selection.cursor = bv->text->cursor;
1335                 bv->text->cursor.x_fix(bv->text->cursor.x());
1336
1337                 if (bv->fitCursor())
1338                         selection_possible = false;
1339
1340                 // Insert primary selection with middle mouse
1341                 // if there is a local selection in the current buffer,
1342                 // insert this
1343                 if (cmd.button() == mouse_button::button2) {
1344                         if (paste_internally)
1345                                 bv->owner()->dispatch(FuncRequest(LFUN_PASTE));
1346                         else
1347                                 bv->owner()->dispatch(FuncRequest(LFUN_PASTESELECTION, "paragraph"));
1348                         selection_possible = false;
1349                 }
1350                 break;
1351         }
1352
1353         case LFUN_MOUSE_RELEASE:
1354         {
1355                 // do nothing if we used the mouse wheel
1356                 if (!bv->buffer())
1357                         break;
1358
1359                 if (cmd.button() == mouse_button::button4
1360                  || cmd.button() == mouse_button::button5)
1361                         break;
1362
1363                 // If we hit an inset, we have the inset coordinates in these
1364                 // and inset_hit points to the inset.  If we do not hit an
1365                 // inset, inset_hit is 0, and inset_x == x, inset_y == y.
1366                 int x = cmd.x;
1367                 int y = cmd.y;
1368                 InsetOld * inset_hit = bv->text->checkInsetHit(x, y);
1369
1370                 if (bv->theLockingInset()) {
1371                         // We are in inset locking mode.
1372
1373                         // LyX does a kind of work-area grabbing for insets.
1374                         // Only a ButtonPress FuncRequest outside the inset will
1375                         // force a insetUnlock.
1376                         FuncRequest cmd1(bv, LFUN_MOUSE_RELEASE, x, y, cmd.button());
1377                         bv->theLockingInset()->localDispatch(cmd1);
1378                         break;
1379                 }
1380
1381                 selection_possible = false;
1382
1383                 if (cmd.button() == mouse_button::button2)
1384                         break;
1385
1386                 // finish selection
1387                 if (cmd.button() == mouse_button::button1)
1388                         bv->haveSelection(selection.set());
1389
1390                 bv->switchKeyMap();
1391                 bv->owner()->view_state_changed();
1392                 bv->owner()->updateMenubar();
1393                 bv->owner()->updateToolbar();
1394
1395                 // Did we hit an editable inset?
1396                 if (inset_hit) {
1397                         selection_possible = false;
1398
1399                         // if we reach this point with a selection, it
1400                         // must mean we are currently selecting.
1401                         // But we don't want to open the inset
1402                         // because that is annoying for the user.
1403                         // So just pretend we didn't hit it.
1404                         // this is OK because a "kosher" ButtonRelease
1405                         // will follow a ButtonPress that clears
1406                         // the selection.
1407                         // Note this also fixes selection drawing
1408                         // problems if we end up opening an inset
1409                         if (selection.set())
1410                                 break;
1411
1412                         // CHECK fix this proper in 0.13
1413                         // well, maybe 13.0 !!!!!!!!!
1414
1415                         // Following a ref shouldn't issue
1416                         // a push on the undo-stack
1417                         // anylonger, now that we have
1418                         // keybindings for following
1419                         // references and returning from
1420                         // references.  IMHO though, it
1421                         // should be the inset's own business
1422                         // to push or not push on the undo
1423                         // stack. They don't *have* to
1424                         // alter the document...
1425                         // (Joacim)
1426                         // ...or maybe the recordUndo()
1427                         // below isn't necessary at all anylonger?
1428                         if (inset_hit->lyxCode() == InsetOld::REF_CODE)
1429                                 recordUndo(bv, Undo::ATOMIC);
1430
1431                         bv->owner()->message(inset_hit->editMessage());
1432
1433                         FuncRequest cmd1(bv, LFUN_MOUSE_RELEASE, x, y, cmd.button());
1434                         inset_hit->localDispatch(cmd1);
1435                 }
1436
1437                 break;
1438         }
1439
1440         case LFUN_SELFINSERT: {
1441                 if (cmd.argument.empty())
1442                         break;
1443
1444                 // Automatically delete the currently selected
1445                 // text and replace it with what is being
1446                 // typed in now. Depends on lyxrc settings
1447                 // "auto_region_delete", which defaults to
1448                 // true (on).
1449
1450                 if (lyxrc.auto_region_delete) {
1451                         if (selection.set())
1452                                 cutSelection(false, false);
1453                         bv->haveSelection(false);
1454                 }
1455
1456                 bv->beforeChange(this);
1457                 LyXFont const old_font(real_current_font);
1458
1459                 string::const_iterator cit = cmd.argument.begin();
1460                 string::const_iterator end = cmd.argument.end();
1461                 for (; cit != end; ++cit)
1462                         bv->owner()->getIntl().getTransManager().
1463                                 TranslateAndInsert(*cit, this);
1464
1465                 selection.cursor = cursor;
1466                 moveCursorUpdate(bv, false);
1467
1468                 // real_current_font.number can change so we need to
1469                 // update the minibuffer
1470                 if (old_font != real_current_font)
1471                         bv->owner()->view_state_changed();
1472                 break;
1473         }
1474
1475         case LFUN_HTMLURL: {
1476                 InsetCommandParams p("htmlurl");
1477                 string const data = InsetCommandMailer::params2string("url", p);
1478                 bv->owner()->getDialogs().show("url", data, 0);
1479                 break;
1480         }
1481
1482         case LFUN_URL: {
1483                 InsetCommandParams p("url");
1484                 string const data = InsetCommandMailer::params2string("url", p);
1485                 bv->owner()->getDialogs().show("url", data, 0);
1486                 break;
1487         }
1488
1489
1490 #if 0
1491         case LFUN_INSET_LIST:
1492         case LFUN_INSET_THEOREM:
1493         case LFUN_INSET_CAPTION:
1494 #endif
1495         case LFUN_INSERT_NOTE:
1496         case LFUN_INSERT_BRANCH:
1497         case LFUN_INSERT_BIBITEM:
1498         case LFUN_INSET_ERT:
1499         case LFUN_INSET_FLOAT:
1500         case LFUN_INSET_FOOTNOTE:
1501         case LFUN_INSET_MARGINAL:
1502         case LFUN_INSET_MINIPAGE:
1503         case LFUN_INSET_OPTARG:
1504         case LFUN_INSET_WIDE_FLOAT:
1505         case LFUN_INSET_WRAP:
1506         case LFUN_TABULAR_INSERT:
1507         case LFUN_ENVIRONMENT_INSERT:
1508                 // Open the inset, and move the current selection
1509                 // inside it.
1510                 doInsertInset(this, cmd, true, true);
1511                 break;
1512
1513         case LFUN_INDEX_INSERT:
1514                 // Just open the inset
1515                 doInsertInset(this, cmd, true, false);
1516                 break;
1517
1518         case LFUN_INDEX_PRINT:
1519         case LFUN_TOC_INSERT:
1520         case LFUN_HFILL:
1521                 // do nothing fancy
1522                 doInsertInset(this, cmd, false, false);
1523                 break;
1524
1525         default:
1526                 return UNDISPATCHED;
1527         }
1528
1529         return DISPATCHED;
1530 }