src/text3.C

   1 /**
   2  * \file text3.C
   3  * This file is part of LyX, the document processor.
   4  * Licence details can be found in the file COPYING.
   5  *
   6  * \author Asger Alstrup
   7  * \author Lars Gullik Bjønnes
   8  * \author Alfredo Braunstein
   9  * \author Angus Leeming
  10  * \author John Levon
  11  * \author André Pönitz
  12  *
  13  * Full author contact details are available in file CREDITS.
  14  */
  15
  16 #include <config.h>
  17
  18 #include "lyxtext.h"
  19
  20 #include "buffer.h"
  21 #include "bufferparams.h"
  22 #include "BufferView.h"
  23 #include "debug.h"
  24 #include "factory.h"
  25 #include "funcrequest.h"
  26 #include "gettext.h"
  27 #include "intl.h"
  28 #include "language.h"
  29 #include "lyxrc.h"
  30 #include "lyxrow.h"
  31 #include "paragraph.h"
  32 #include "ParagraphParameters.h"
  33 #include "text_funcs.h"
  34 #include "undo.h"
  35 #include "vspace.h"
  36
  37 #include "frontends/Dialogs.h"
  38 #include "frontends/LyXView.h"
  39
  40 #include "insets/insetcommand.h"
  41 #include "insets/insetnewline.h"
  42 #include "insets/insetspecialchar.h"
  43 #include "insets/insettext.h"
  44
  45 #include "support/lstrings.h"
  46 #include "support/tostr.h"
  47
  48 #include "support/std_sstream.h"
  49 #include <clocale>
  50
  51 using bv_funcs::replaceSelection;
  52
  53 using lyx::pos_type;
  54
  55 using lyx::support::isStrUnsignedInt;
  56 using lyx::support::strToUnsignedInt;
  57
  58 using std::endl;
  59 using std::find;
  60 using std::string;
  61 using std::istringstream;
  62 using std::vector;
  63
  64
  65 extern string current_layout;
  66 extern int bibitemMaxWidth(BufferView *, LyXFont const &);
  67
  68 // the selection possible is needed, that only motion events are
  69 // used, where the bottom press event was on the drawing area too
  70 bool selection_possible = false;
  71
  72
  73 namespace {
  74
  75         void moveCursorUpdate(BufferView * bv, bool selecting)
  76         {
  77                 LyXText * lt = bv->getLyXText();
  78
  79                 //if (!lt->selection.set())
  80     //  lt->selection.cursor = lt->cursor;
  81
  82                 if (selecting || lt->selection.mark())
  83                         lt->setSelection();
  84
  85                 if (!lt->selection.set())
  86                         bv->haveSelection(false);
  87
  88                 bv->update();
  89                 bv->switchKeyMap();
  90         }
  91
  92
  93         void finishChange(BufferView * bv, bool selecting = false)
  94         {
  95                 finishUndo();
  96                 moveCursorUpdate(bv, selecting);
  97                 bv->owner()->view_state_changed();
  98         }
  99
 100         // check if the given co-ordinates are inside an inset at the
 101         // given cursor, if one exists. If so, the inset is returned,
 102         // and the co-ordinates are made relative. Otherwise, 0 is returned.
 103         InsetOld * checkInset(LyXText & text,
 104                 LyXCursor const & cur, int & x, int & y)
 105         {
 106                 lyx::pos_type const pos = cur.pos();
 107                 ParagraphList::iterator par = text.getPar(cur);
 108
 109                 if (pos >= par->size() || !par->isInset(pos))
 110                         return 0;
 111
 112                 InsetOld /*const*/ * inset = par->getInset(pos);
 113
 114                 if (!isEditableInset(inset))
 115                         return 0;
 116
 117                 // get inset dimensions
 118                 BOOST_ASSERT(par->getInset(pos));
 119
 120                 LyXFont const & font = text.getFont(par, pos);
 121
 122                 int const width = inset->width();
 123                 int const inset_x = font.isVisibleRightToLeft()
 124                         ? (cur.x() - width) : cur.x();
 125
 126                 Box b(
 127                         inset_x + inset->scroll(),
 128                         inset_x + width,
 129                         cur.y() - inset->ascent(),
 130                         cur.y() + inset->descent()
 131                 );
 132
 133                 if (!b.contains(x, y)) {
 134                         lyxerr[Debug::GUI] << "Missed inset at x,y "
 135                                            << x << ',' << y
 136                                            << " box " << b << endl;
 137                         return 0;
 138                 }
 139
 140                 text.setCursor(cur.par(), pos, true);
 141
 142                 x -= b.x1;
 143                 // The origin of an inset is on the baseline
 144                 y -= text.cursor.y();
 145
 146                 return inset;
 147         }
 148
 149 } // anon namespace
 150
 151
 152 InsetOld * LyXText::checkInsetHit(int & x, int & y)
 153 {
 154         int y_tmp = y + bv_owner->top_y();
 155
 156         LyXCursor cur;
 157         setCursorFromCoordinates(cur, x, y_tmp);
 158
 159         InsetOld * inset = checkInset(*this, cur, x, y_tmp);
 160         if (inset) {
 161                 y = y_tmp;
 162                 return inset;
 163         }
 164
 165         // look at previous position
 166         if (cur.pos() == 0)
 167                 return 0;
 168
 169         // move back one
 170         setCursor(cur, cur.par(), cur.pos() - 1, true);
 171
 172         inset = checkInset(*this, cur, x, y_tmp);
 173         if (inset)
 174                 y = y_tmp;
 175         return inset;
 176 }
 177
 178
 179 bool LyXText::gotoNextInset(vector<InsetOld::Code> const & codes,
 180                             string const & contents)
 181 {
 182         ParagraphList::iterator end = ownerParagraphs().end();
 183         ParagraphList::iterator pit = cursorPar();
 184         pos_type pos = cursor.pos();
 185
 186         InsetOld * inset;
 187         do {
 188                 if (pos + 1 < pit->size()) {
 189                         ++pos;
 190                 } else  {
 191                         ++pit;
 192                         pos = 0;
 193                 }
 194
 195         } while (pit != end &&
 196                  !(pit->isInset(pos) &&
 197                    (inset = pit->getInset(pos)) != 0 &&
 198                    find(codes.begin(), codes.end(), inset->lyxCode()) != codes.end() &&
 199                    (contents.empty() ||
 200                     static_cast<InsetCommand *>(pit->getInset(pos))->getContents()
 201                     == contents)));
 202
 203         if (pit == end)
 204                 return false;
 205
 206         setCursor(parOffset(pit), pos, false);
 207         return true;
 208 }
 209
 210
 211 void LyXText::gotoInset(vector<InsetOld::Code> const & codes,
 212                         bool same_content)
 213 {
 214         bv()->beforeChange(this);
 215
 216         string contents;
 217         if (same_content && cursor.pos() < cursorPar()->size()
 218             && cursorPar()->isInset(cursor.pos())) {
 219                 InsetOld const * inset = cursorPar()->getInset(cursor.pos());
 220                 if (find(codes.begin(), codes.end(), inset->lyxCode())
 221                     != codes.end())
 222                         contents = static_cast<InsetCommand const *>(inset)->getContents();
 223         }
 224
 225         if (!gotoNextInset(codes, contents)) {
 226                 if (cursor.pos() || cursorPar() != ownerParagraphs().begin()) {
 227                         LyXCursor tmp = cursor;
 228                         cursor.par(0);
 229                         cursor.pos(0);
 230                         if (!gotoNextInset(codes, contents)) {
 231                                 cursor = tmp;
 232                                 bv()->owner()->message(_("No more insets"));
 233                         }
 234                 } else {
 235                         bv()->owner()->message(_("No more insets"));
 236                 }
 237         }
 238         bv()->update();
 239         selection.cursor = cursor;
 240 }
 241
 242
 243 void LyXText::gotoInset(InsetOld::Code code, bool same_content)
 244 {
 245         gotoInset(vector<InsetOld::Code>(1, code), same_content);
 246 }
 247
 248
 249 void LyXText::cursorPrevious()
 250 {
 251         int y = bv_owner->top_y();
 252
 253         RowList::iterator rit = cursorRow();
 254
 255         if (rit == firstRow()) {
 256                 if (y > 0)
 257                         bv()->updateScrollbar();
 258                 return;
 259         }
 260
 261         setCursorFromCoordinates(cursor.x_fix(), y);
 262         finishUndo();
 263
 264         int new_y;
 265         if (rit == bv()->text->cursorRow()) {
 266                 // we have a row which is taller than the workarea. The
 267                 // simplest solution is to move to the previous row instead.
 268                 cursorUp(true);
 269                 return;
 270                 // This is what we used to do, so we wouldn't skip right past
 271                 // tall rows, but it's not working right now.
 272         } else {
 273                 if (inset_owner) {
 274                         new_y = bv()->text->cursor.y()
 275                                 + bv()->theLockingInset()->insetInInsetY() + y
 276                                 + rit->height()
 277                                 - bv()->workHeight() + 1;
 278                 } else {
 279                         new_y = cursor.y()
 280                                 - rit->baseline()
 281                                 + rit->height()
 282                                 - bv()->workHeight() + 1;
 283                 }
 284         }
 285
 286         LyXCursor cur;
 287         ParagraphList::iterator pit = cursorPar();
 288         previousRow(pit, rit);
 289         setCursor(cur, parOffset(pit), rit->pos(), false);
 290         if (cur.y() > bv_owner->top_y())
 291                 cursorUp(true);
 292         bv()->updateScrollbar();
 293 }
 294
 295
 296 void LyXText::cursorNext()
 297 {
 298         int topy = bv_owner->top_y();
 299
 300         RowList::iterator rit = cursorRow();
 301         if (rit == lastRow()) {
 302                 int y = cursor.y() - rit->baseline() + cursorRow()->height();
 303                 if (y > topy + bv()->workHeight())
 304                         bv_owner->updateScrollbar();
 305                 return;
 306         }
 307
 308         int y = topy + bv_owner->workHeight();
 309         if (inset_owner && !topy) {
 310                 y -= (bv_owner->text->cursor.y()
 311                           - bv_owner->top_y()
 312                           + bv_owner->theLockingInset()->insetInInsetY());
 313         }
 314
 315         ParagraphList::iterator dummypit;
 316         Row const & rr = *getRowNearY(y, dummypit);
 317         y = dummypit->y + rr.y_offset();
 318
 319         setCursorFromCoordinates(cursor.x_fix(), y);
 320         // + bv->workHeight());
 321         finishUndo();
 322
 323         int new_y;
 324         if (rit == bv_owner->text->cursorRow()) {
 325                 // we have a row which is taller than the workarea. The
 326                 // simplest solution is to move to the next row instead.
 327                 cursorDown(true);
 328                 return;
 329                 // This is what we used to do, so we wouldn't skip right past
 330                 // tall rows, but it's not working right now.
 331 #if 0
 332                 new_y = bv->top_y() + bv->workHeight();
 333 #endif
 334         } else {
 335                 if (inset_owner) {
 336                         new_y = bv()->text->cursor.y()
 337                                 + bv()->theLockingInset()->insetInInsetY()
 338                                 + y - rit->baseline();
 339                 } else {
 340                         new_y = cursor.y() - cursorRow()->baseline();
 341                 }
 342         }
 343
 344         ParagraphList::iterator pit = cursorPar();
 345         nextRow(pit, rit);
 346         LyXCursor cur;
 347         setCursor(cur, parOffset(pit), rit->pos(), false);
 348         if (cur.y() < bv_owner->top_y() + bv()->workHeight())
 349                 cursorDown(true);
 350         bv()->updateScrollbar();
 351 }
 352
 353
 354 namespace {
 355
 356 void specialChar(LyXText * lt, BufferView * bv, InsetSpecialChar::Kind kind)
 357 {
 358         bv->update();
 359         InsetSpecialChar * new_inset = new InsetSpecialChar(kind);
 360         replaceSelection(lt);
 361         if (!bv->insertInset(new_inset))
 362                 delete new_inset;
 363         else
 364                 bv->updateInset(new_inset);
 365 }
 366
 367
 368 void doInsertInset(LyXText * lt, FuncRequest const & cmd,
 369                    bool edit, bool pastesel)
 370 {
 371         InsetOld * inset = createInset(cmd);
 372         BufferView * bv = cmd.view();
 373
 374         if (inset) {
 375                 bool gotsel = false;
 376                 if (lt->selection.set()) {
 377                         bv->owner()->dispatch(FuncRequest(LFUN_CUT));
 378                         gotsel = true;
 379                 }
 380                 if (bv->insertInset(inset)) {
 381                         if (edit) {
 382                                 FuncRequest cmd(bv, LFUN_INSET_EDIT, "left");
 383                                 inset->dispatch(cmd);
 384                         }
 385                         if (gotsel && pastesel)
 386                                 bv->owner()->dispatch(FuncRequest(LFUN_PASTE));
 387                 }
 388                 else
 389                         delete inset;
 390         }
 391 }
 392
 393 } // anon namespace
 394
 395
 396 dispatch_result LyXText::dispatch(FuncRequest const & cmd)
 397 {
 398         lyxerr[Debug::ACTION] << "LyXText::dispatch: action[" << cmd.action
 399                               <<"] arg[" << cmd.argument << ']' << "xy[" <<
 400                                   cmd.x << ',' << cmd.y << ']' << endl;
 401
 402         BufferView * bv = cmd.view();
 403
 404         switch (cmd.action) {
 405
 406         case LFUN_APPENDIX: {
 407                 ParagraphList::iterator pit = cursorPar();
 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                                 recUndo(parOffset(tmp));
 417                                 tmp->params().startOfAppendix(false);
 418                                 redoParagraph(tmp);
 419                                 break;
 420                         }
 421                 }
 422
 423                 recUndo(parOffset(pit));
 424                 pit->params().startOfAppendix(start);
 425
 426                 // we can set the refreshing parameters now
 427                 updateCounters();
 428                 redoParagraph(cursorPar());
 429                 setCursor(cursorPar(), cursor.pos());
 430                 bv->update();
 431                 break;
 432         }
 433
 434         case LFUN_DELETE_WORD_FORWARD:
 435                 bv->beforeChange(this);
 436                 deleteWordForward();
 437                 finishChange(bv);
 438                 break;
 439
 440         case LFUN_DELETE_WORD_BACKWARD:
 441                 bv->beforeChange(this);
 442                 deleteWordBackward();
 443                 finishChange(bv);
 444                 break;
 445
 446         case LFUN_DELETE_LINE_FORWARD:
 447                 bv->beforeChange(this);
 448                 deleteLineForward();
 449                 finishChange(bv);
 450                 break;
 451
 452         case LFUN_WORDRIGHT:
 453                 if (!selection.mark())
 454                         bv->beforeChange(this);
 455                 if (cursorPar()->isRightToLeftPar(bv->buffer()->params()))
 456                         cursorLeftOneWord();
 457                 else
 458                         cursorRightOneWord();
 459                 finishChange(bv);
 460                 break;
 461
 462         case LFUN_WORDLEFT:
 463                 if (!selection.mark())
 464                         bv->beforeChange(this);
 465                 if (cursorPar()->isRightToLeftPar(bv->buffer()->params()))
 466                         cursorRightOneWord();
 467                 else
 468                         cursorLeftOneWord();
 469                 finishChange(bv);
 470                 break;
 471
 472         case LFUN_BEGINNINGBUF:
 473                 if (!selection.mark())
 474                         bv->beforeChange(this);
 475                 cursorTop();
 476                 finishChange(bv);
 477                 break;
 478
 479         case LFUN_ENDBUF:
 480                 if (selection.mark())
 481                         bv->beforeChange(this);
 482                 cursorBottom();
 483                 finishChange(bv);
 484                 break;
 485
 486         case LFUN_RIGHTSEL:
 487                 if (!selection.set())
 488                         selection.cursor = cursor;
 489                 if (cursorPar()->isRightToLeftPar(bv->buffer()->params()))
 490                         cursorLeft(bv);
 491                 else
 492                         cursorRight(bv);
 493                 finishChange(bv, true);
 494                 break;
 495
 496         case LFUN_LEFTSEL:
 497                 if (!selection.set())
 498                         selection.cursor = cursor;
 499                 if (cursorPar()->isRightToLeftPar(bv->buffer()->params()))
 500                         cursorRight(bv);
 501                 else
 502                         cursorLeft(bv);
 503                 finishChange(bv, true);
 504                 break;
 505
 506         case LFUN_UPSEL:
 507                 if (!selection.set())
 508                         selection.cursor = cursor;
 509                 cursorUp(true);
 510                 finishChange(bv, true);
 511                 break;
 512
 513         case LFUN_DOWNSEL:
 514                 if (!selection.set())
 515                         selection.cursor = cursor;
 516                 cursorDown(true);
 517                 finishChange(bv, true);
 518                 break;
 519
 520         case LFUN_UP_PARAGRAPHSEL:
 521                 if (!selection.set())
 522                         selection.cursor = cursor;
 523                 cursorUpParagraph();
 524                 finishChange(bv, true);
 525                 break;
 526
 527         case LFUN_DOWN_PARAGRAPHSEL:
 528                 if (!selection.set())
 529                         selection.cursor = cursor;
 530                 cursorDownParagraph();
 531                 finishChange(bv, true);
 532                 break;
 533
 534         case LFUN_PRIORSEL:
 535                 if (!selection.set())
 536                         selection.cursor = cursor;
 537                 cursorPrevious();
 538                 finishChange(bv, true);
 539                 break;
 540
 541         case LFUN_NEXTSEL:
 542                 if (!selection.set())
 543                         selection.cursor = cursor;
 544                 cursorNext();
 545                 finishChange(bv, true);
 546                 break;
 547
 548         case LFUN_HOMESEL:
 549                 if (!selection.set())
 550                         selection.cursor = cursor;
 551                 cursorHome();
 552                 finishChange(bv, true);
 553                 break;
 554
 555         case LFUN_ENDSEL:
 556                 if (!selection.set())
 557                         selection.cursor = cursor;
 558                 cursorEnd();
 559                 finishChange(bv, true);
 560                 break;
 561
 562         case LFUN_WORDRIGHTSEL:
 563                 if (cursorPar()->isRightToLeftPar(bv->buffer()->params()))
 564                         cursorLeftOneWord();
 565                 else
 566                         cursorRightOneWord();
 567                 finishChange(bv, true);
 568                 break;
 569
 570         case LFUN_WORDLEFTSEL:
 571                 if (cursorPar()->isRightToLeftPar(bv->buffer()->params()))
 572                         cursorRightOneWord();
 573                 else
 574                         cursorLeftOneWord();
 575                 finishChange(bv, true);
 576                 break;
 577
 578         case LFUN_WORDSEL: {
 579                 LyXCursor cur1 = cursor;
 580                 LyXCursor cur2;
 581                 ::getWord(*this, cur1, cur2, lyx::WHOLE_WORD, ownerParagraphs());
 582                 setCursor(cur1.par(), cur1.pos());
 583                 bv->beforeChange(this);
 584                 setCursor(cur2.par(), cur2.pos());
 585                 finishChange(bv, true);
 586                 break;
 587         }
 588
 589         case LFUN_RIGHT: {
 590                 bool is_rtl = cursorPar()->isRightToLeftPar(bv->buffer()->params());
 591                 if (!selection.mark())
 592                         bv->beforeChange(this);
 593                 if (is_rtl)
 594                         cursorLeft(false);
 595                 if (cursor.pos() < cursorPar()->size()
 596                     && cursorPar()->isInset(cursor.pos())
 597                     && isHighlyEditableInset(cursorPar()->getInset(cursor.pos()))) {
 598                         InsetOld * tmpinset = cursorPar()->getInset(cursor.pos());
 599                         cmd.message(tmpinset->editMessage());
 600                         FuncRequest cmd1(bv, LFUN_INSET_EDIT, is_rtl ? "right" : "left");
 601                         tmpinset->dispatch(cmd1);
 602                         break;
 603                 }
 604                 if (!is_rtl)
 605                         cursorRight(false);
 606                 finishChange(bv);
 607                 break;
 608         }
 609
 610         case LFUN_LEFT: {
 611                 // This is soooo ugly. Isn`t it possible to make
 612                 // it simpler? (Lgb)
 613                 bool const is_rtl = cursorPar()->isRightToLeftPar(bv->buffer()->params());
 614                 if (!selection.mark())
 615                         bv->beforeChange(this);
 616                 LyXCursor const cur = cursor;
 617                 if (!is_rtl)
 618                         cursorLeft(false);
 619                 if ((is_rtl || cur != cursor) && // only if really moved!
 620                     cursor.pos() < cursorPar()->size() &&
 621                     cursorPar()->isInset(cursor.pos()) &&
 622                     isHighlyEditableInset(cursorPar()->getInset(cursor.pos()))) {
 623                         InsetOld * tmpinset = cursorPar()->getInset(cursor.pos());
 624                         cmd.message(tmpinset->editMessage());
 625                         FuncRequest cmd1(bv, LFUN_INSET_EDIT, is_rtl ? "left" : "right");
 626                         tmpinset->dispatch(cmd1);
 627                         break;
 628                 }
 629                 if (is_rtl)
 630                         cursorRight(false);
 631                 finishChange(bv);
 632                 break;
 633         }
 634
 635         case LFUN_UP:
 636                 if (!selection.mark())
 637                         bv->beforeChange(this);
 638                 cursorUp(false);
 639                 finishChange(bv);
 640                 break;
 641
 642         case LFUN_DOWN:
 643                 if (!selection.mark())
 644                         bv->beforeChange(this);
 645                 cursorDown(false);
 646                 finishChange(bv);
 647                 break;
 648
 649         case LFUN_UP_PARAGRAPH:
 650                 if (!selection.mark())
 651                         bv->beforeChange(this);
 652                 cursorUpParagraph();
 653                 finishChange(bv);
 654                 break;
 655
 656         case LFUN_DOWN_PARAGRAPH:
 657                 if (!selection.mark())
 658                         bv->beforeChange(this);
 659                 cursorDownParagraph();
 660                 finishChange(bv, false);
 661                 break;
 662
 663         case LFUN_PRIOR:
 664                 if (!selection.mark())
 665                         bv->beforeChange(this);
 666                 cursorPrevious();
 667                 finishChange(bv, false);
 668                 break;
 669
 670         case LFUN_NEXT:
 671                 if (!selection.mark())
 672                         bv->beforeChange(this);
 673                 cursorNext();
 674                 finishChange(bv, false);
 675                 break;
 676
 677         case LFUN_HOME:
 678                 if (!selection.mark())
 679                         bv->beforeChange(this);
 680                 cursorHome();
 681                 finishChange(bv, false);
 682                 break;
 683
 684         case LFUN_END:
 685                 if (!selection.mark())
 686                         bv->beforeChange(this);
 687                 cursorEnd();
 688                 finishChange(bv, false);
 689                 break;
 690
 691         case LFUN_BREAKLINE: {
 692                 lyx::pos_type body = cursorPar()->beginningOfBody();
 693
 694                 // Not allowed by LaTeX (labels or empty par)
 695                 if (cursor.pos() <= body)
 696                         break;
 697
 698                 replaceSelection(bv->getLyXText());
 699                 insertInset(new InsetNewline);
 700                 setCursor(cursorPar(), cursor.pos());
 701                 moveCursorUpdate(bv, false);
 702                 break;
 703         }
 704
 705         case LFUN_DELETE:
 706                 if (!selection.set()) {
 707                         Delete();
 708                         selection.cursor = cursor;
 709                         // It is possible to make it a lot faster still
 710                         // just comment out the line below...
 711                 } else {
 712                         cutSelection(true, false);
 713                 }
 714                 moveCursorUpdate(bv, false);
 715                 bv->owner()->view_state_changed();
 716                 break;
 717
 718         case LFUN_DELETE_SKIP:
 719                 // Reverse the effect of LFUN_BREAKPARAGRAPH_SKIP.
 720                 if (!selection.set()) {
 721                         if (cursor.pos() == cursorPar()->size()) {
 722                                 cursorRight(bv);
 723                                 ParagraphParameters & params = cursorPar()->params();
 724                                 if (cursor.pos() == 0
 725                                     && !(params.spaceTop() == VSpace (VSpace::NONE))) {
 726                                         setParagraph(
 727                                                  params.lineTop(),
 728                                                  params.lineBottom(),
 729                                                  params.pagebreakTop(),
 730                                                  params.pagebreakBottom(),
 731                                                  VSpace(VSpace::NONE),
 732                                                  params.spaceBottom(),
 733                                                  params.spacing(),
 734                                                  params.align(),
 735                                                  params.labelWidthString(), 0);
 736                                         cursorLeft(bv);
 737                                 } else {
 738                                         cursorLeft(bv);
 739                                         Delete();
 740                                         selection.cursor = cursor;
 741                                 }
 742                         } else {
 743                                 Delete();
 744                                 selection.cursor = cursor;
 745                         }
 746                 } else {
 747                         cutSelection(true, false);
 748                 }
 749                 bv->update();
 750                 break;
 751
 752
 753         case LFUN_BACKSPACE:
 754                 if (!selection.set()) {
 755                         if (bv->owner()->getIntl().getTransManager().backspace()) {
 756                                 backspace();
 757                                 selection.cursor = cursor;
 758                                 // It is possible to make it a lot faster still
 759                                 // just comment out the line below...
 760                         }
 761                 } else {
 762                         cutSelection(true, false);
 763                 }
 764                 bv->owner()->view_state_changed();
 765                 bv->switchKeyMap();
 766                 bv->update();
 767                 break;
 768
 769         case LFUN_BACKSPACE_SKIP:
 770                 // Reverse the effect of LFUN_BREAKPARAGRAPH_SKIP.
 771                 if (!selection.set()) {
 772                         ParagraphParameters & params = cursorPar()->params();
 773                         if (cursor.pos() == 0 && !(params.spaceTop() == VSpace(VSpace::NONE))) {
 774                                 setParagraph(
 775                                          params.lineTop(),
 776                                          params.lineBottom(),
 777                                          params.pagebreakTop(),
 778                                          params.pagebreakBottom(),
 779                                          VSpace(VSpace::NONE),
 780                                    params.spaceBottom(),
 781                                          params.spacing(),
 782                                          params.align(),
 783                                          params.labelWidthString(), 0);
 784                         } else {
 785                                 LyXCursor cur = cursor;
 786                                 backspace();
 787                                 selection.cursor = cur;
 788                         }
 789                 } else {
 790                         cutSelection(true, false);
 791                 }
 792                 bv->update();
 793                 break;
 794
 795         case LFUN_BREAKPARAGRAPH:
 796                 replaceSelection(bv->getLyXText());
 797                 breakParagraph(bv->buffer()->paragraphs(), 0);
 798                 bv->update();
 799                 selection.cursor = cursor;
 800                 bv->switchKeyMap();
 801                 bv->owner()->view_state_changed();
 802                 break;
 803
 804         case LFUN_BREAKPARAGRAPHKEEPLAYOUT:
 805                 replaceSelection(bv->getLyXText());
 806                 breakParagraph(bv->buffer()->paragraphs(), 1);
 807                 bv->update();
 808                 selection.cursor = cursor;
 809                 bv->switchKeyMap();
 810                 bv->owner()->view_state_changed();
 811                 break;
 812
 813         case LFUN_BREAKPARAGRAPH_SKIP: {
 814                 // When at the beginning of a paragraph, remove
 815                 // indentation and add a "defskip" at the top.
 816                 // Otherwise, do the same as LFUN_BREAKPARAGRAPH.
 817                 LyXCursor cur = cursor;
 818                 replaceSelection(bv->getLyXText());
 819                 if (cur.pos() == 0) {
 820                         ParagraphParameters & params = getPar(cur)->params();
 821                         if (params.spaceTop() == VSpace(VSpace::NONE)) {
 822                                 setParagraph(
 823                                          params.lineTop(),
 824                                          params.lineBottom(),
 825                                          params.pagebreakTop(),
 826                                          params.pagebreakBottom(),
 827                                          VSpace(VSpace::DEFSKIP), params.spaceBottom(),
 828                                          params.spacing(),
 829                                          params.align(),
 830                                          params.labelWidthString(), 1);
 831                         }
 832                 }
 833                 else {
 834                         breakParagraph(bv->buffer()->paragraphs(), 0);
 835                 }
 836                 bv->update();
 837                 selection.cursor = cur;
 838                 bv->switchKeyMap();
 839                 bv->owner()->view_state_changed();
 840                 break;
 841         }
 842
 843         case LFUN_PARAGRAPH_SPACING: {
 844                 ParagraphList::iterator pit = cursorPar();
 845                 Spacing::Space cur_spacing = pit->params().spacing().getSpace();
 846                 float cur_value = 1.0;
 847                 if (cur_spacing == Spacing::Other)
 848                         cur_value = pit->params().spacing().getValue();
 849
 850                 istringstream is(cmd.argument);
 851                 string tmp;
 852                 is >> tmp;
 853                 Spacing::Space new_spacing = cur_spacing;
 854                 float new_value = cur_value;
 855                 if (tmp.empty()) {
 856                         lyxerr << "Missing argument to `paragraph-spacing'"
 857                                << endl;
 858                 } else if (tmp == "single") {
 859                         new_spacing = Spacing::Single;
 860                 } else if (tmp == "onehalf") {
 861                         new_spacing = Spacing::Onehalf;
 862                 } else if (tmp == "double") {
 863                         new_spacing = Spacing::Double;
 864                 } else if (tmp == "other") {
 865                         new_spacing = Spacing::Other;
 866                         float tmpval = 0.0;
 867                         is >> tmpval;
 868                         lyxerr << "new_value = " << tmpval << endl;
 869                         if (tmpval != 0.0)
 870                                 new_value = tmpval;
 871                 } else if (tmp == "default") {
 872                         new_spacing = Spacing::Default;
 873                 } else {
 874                         lyxerr << _("Unknown spacing argument: ")
 875                                << cmd.argument << endl;
 876                 }
 877                 if (cur_spacing != new_spacing || cur_value != new_value) {
 878                         pit->params().spacing(Spacing(new_spacing, new_value));
 879                         redoParagraph();
 880                         bv->update();
 881                 }
 882                 break;
 883         }
 884
 885         case LFUN_INSET_SETTINGS:
 886                 BOOST_ASSERT(bv->theLockingInset());
 887                 bv->theLockingInset()->getLockingInset()->showInsetDialog(bv);
 888                 break;
 889
 890         case LFUN_INSET_TOGGLE:
 891                 bv->beforeChange(this);
 892                 toggleInset();
 893                 bv->update();
 894                 bv->switchKeyMap();
 895                 break;
 896
 897         case LFUN_SPACE_INSERT:
 898                 if (cursorPar()->layout()->free_spacing)
 899                         insertChar(' ');
 900                 else
 901                         doInsertInset(this, cmd, false, false);
 902                 moveCursorUpdate(bv, false);
 903                 break;
 904
 905         case LFUN_HYPHENATION:
 906                 specialChar(this, bv, InsetSpecialChar::HYPHENATION);
 907                 break;
 908
 909         case LFUN_LIGATURE_BREAK:
 910                 specialChar(this, bv, InsetSpecialChar::LIGATURE_BREAK);
 911                 break;
 912
 913         case LFUN_LDOTS:
 914                 specialChar(this, bv, InsetSpecialChar::LDOTS);
 915                 break;
 916
 917         case LFUN_END_OF_SENTENCE:
 918                 specialChar(this, bv, InsetSpecialChar::END_OF_SENTENCE);
 919                 break;
 920
 921         case LFUN_MENU_SEPARATOR:
 922                 specialChar(this, bv, InsetSpecialChar::MENU_SEPARATOR);
 923                 break;
 924
 925         case LFUN_MARK_OFF:
 926                 bv->beforeChange(this);
 927                 bv->update();
 928                 selection.cursor = cursor;
 929                 cmd.message(N_("Mark off"));
 930                 break;
 931
 932         case LFUN_MARK_ON:
 933                 bv->beforeChange(this);
 934                 selection.mark(true);
 935                 bv->update();
 936                 selection.cursor = cursor;
 937                 cmd.message(N_("Mark on"));
 938                 break;
 939
 940         case LFUN_SETMARK:
 941                 bv->beforeChange(this);
 942                 if (selection.mark()) {
 943                         cmd.message(N_("Mark removed"));
 944                 } else {
 945                         selection.mark(true);
 946                         cmd.message(N_("Mark set"));
 947                 }
 948                 selection.cursor = cursor;
 949                 bv->update();
 950                 break;
 951
 952         case LFUN_UPCASE_WORD:
 953                 changeCase(LyXText::text_uppercase);
 954                 bv->update();
 955                 break;
 956
 957         case LFUN_LOWCASE_WORD:
 958                 changeCase(LyXText::text_lowercase);
 959                 bv->update();
 960                 break;
 961
 962         case LFUN_CAPITALIZE_WORD:
 963                 changeCase(LyXText::text_capitalization);
 964                 bv->update();
 965                 break;
 966
 967         case LFUN_TRANSPOSE_CHARS:
 968                 recUndo(cursor.par());
 969                 redoParagraph();
 970                 bv->update();
 971                 break;
 972
 973         case LFUN_PASTE:
 974                 cmd.message(_("Paste"));
 975                 replaceSelection(bv->getLyXText());
 976 #warning FIXME Check if the arg is in the domain of available selections.
 977                 if (isStrUnsignedInt(cmd.argument))
 978                         pasteSelection(strToUnsignedInt(cmd.argument));
 979                 else
 980                         pasteSelection(0);
 981                 clearSelection(); // bug 393
 982                 bv->update();
 983                 bv->switchKeyMap();
 984                 finishUndo();
 985                 break;
 986
 987         case LFUN_CUT:
 988                 cutSelection(true, true);
 989                 cmd.message(_("Cut"));
 990                 bv->update();
 991                 break;
 992
 993         case LFUN_COPY:
 994                 copySelection();
 995                 cmd.message(_("Copy"));
 996                 break;
 997
 998         case LFUN_BEGINNINGBUFSEL:
 999                 if (inset_owner)
1000                         return UNDISPATCHED;
1001                 cursorTop();
1002                 finishChange(bv, true);
1003                 break;
1004
1005         case LFUN_ENDBUFSEL:
1006                 if (inset_owner)
1007                         return UNDISPATCHED;
1008                 cursorBottom();
1009                 finishChange(bv, true);
1010                 break;
1011
1012         case LFUN_GETXY:
1013                 cmd.message(tostr(cursor.x()) + ' ' + tostr(cursor.y()));
1014                 break;
1015
1016         case LFUN_SETXY: {
1017                 int x = 0;
1018                 int y = 0;
1019                 istringstream is(cmd.argument);
1020                 is >> x >> y;
1021                 if (!is)
1022                         lyxerr << "SETXY: Could not parse coordinates in '"
1023                                << cmd.argument << std::endl;
1024                 else
1025                         setCursorFromCoordinates(x, y);
1026                 break;
1027         }
1028
1029         case LFUN_GETFONT:
1030                 if (current_font.shape() == LyXFont::ITALIC_SHAPE)
1031                         cmd.message("E");
1032                 else if (current_font.shape() == LyXFont::SMALLCAPS_SHAPE)
1033                         cmd.message("N");
1034                 else
1035                         cmd.message("0");
1036                 break;
1037
1038         case LFUN_GETLAYOUT:
1039                 cmd.message(tostr(cursorPar()->layout()));
1040                 break;
1041
1042         case LFUN_LAYOUT: {
1043                 lyxerr[Debug::INFO] << "LFUN_LAYOUT: (arg) "
1044                   << cmd.argument << endl;
1045
1046                 // This is not the good solution to the empty argument
1047                 // problem, but it will hopefully suffice for 1.2.0.
1048                 // The correct solution would be to augument the
1049                 // function list/array with information about what
1050                 // functions needs arguments and their type.
1051                 if (cmd.argument.empty()) {
1052                         cmd.errorMessage(_("LyX function 'layout' needs an argument."));
1053                         break;
1054                 }
1055
1056                 // Derive layout number from given argument (string)
1057                 // and current buffer's textclass (number)
1058                 LyXTextClass const & tclass = bv->buffer()->params().getLyXTextClass();
1059                 bool hasLayout = tclass.hasLayout(cmd.argument);
1060                 string layout = cmd.argument;
1061
1062                 // If the entry is obsolete, use the new one instead.
1063                 if (hasLayout) {
1064                         string const & obs = tclass[layout]->obsoleted_by();
1065                         if (!obs.empty())
1066                                 layout = obs;
1067                 }
1068
1069                 if (!hasLayout) {
1070                         cmd.errorMessage(string(N_("Layout ")) + cmd.argument +
1071                                 N_(" not known"));
1072                         break;
1073                 }
1074
1075                 bool change_layout = (current_layout != layout);
1076
1077                 if (!change_layout && selection.set() &&
1078                         selection.start.par() != selection.end.par())
1079                 {
1080                         ParagraphList::iterator spit = getPar(selection.start);
1081                         ParagraphList::iterator epit = boost::next(getPar(selection.end));
1082                         while (spit != epit) {
1083                                 if (spit->layout()->name() != current_layout) {
1084                                         change_layout = true;
1085                                         break;
1086                                 }
1087                                 ++spit;
1088                         }
1089                 }
1090
1091                 if (change_layout) {
1092                         current_layout = layout;
1093                         setLayout(layout);
1094                         bv->owner()->setLayout(layout);
1095                         bv->update();
1096                         bv->switchKeyMap();
1097                 }
1098                 break;
1099         }
1100
1101         case LFUN_PASTESELECTION: {
1102                 // this was originally a beforeChange(bv->text), i.e
1103                 // the outermost LyXText!
1104                 bv->beforeChange(this);
1105                 string const clip = bv->getClipboard();
1106                 if (!clip.empty()) {
1107                         if (cmd.argument == "paragraph")
1108                                 insertStringAsParagraphs(clip);
1109                         else
1110                                 insertStringAsLines(clip);
1111                         clearSelection();
1112                         bv->update();
1113                 }
1114                 break;
1115         }
1116
1117         case LFUN_GOTOERROR:
1118                 gotoInset(InsetOld::ERROR_CODE, false);
1119                 break;
1120
1121         case LFUN_GOTONOTE:
1122                 gotoInset(InsetOld::NOTE_CODE, false);
1123                 break;
1124
1125         case LFUN_REFERENCE_GOTO:
1126         {
1127                 vector<InsetOld::Code> tmp;
1128                 tmp.push_back(InsetOld::LABEL_CODE);
1129                 tmp.push_back(InsetOld::REF_CODE);
1130                 gotoInset(tmp, true);
1131                 break;
1132         }
1133
1134         case LFUN_QUOTE: {
1135                 replaceSelection(bv->getLyXText());
1136                 ParagraphList::iterator pit = cursorPar();
1137                 lyx::pos_type pos = cursor.pos();
1138                 char c;
1139                 if (!pos)
1140                         c = ' ';
1141                 else if (pit->isInset(pos - 1) && pit->getInset(pos - 1)->isSpace())
1142                         c = ' ';
1143                 else
1144                         c = pit->getChar(pos - 1);
1145
1146                 LyXLayout_ptr const & style = pit->layout();
1147
1148                 BufferParams const & bufparams = bv->buffer()->params();
1149                 if (style->pass_thru ||
1150                     pit->getFontSettings(bufparams,pos).language()->lang() == "hebrew" ||
1151                     !bv->insertInset(new InsetQuotes(c, bufparams)))
1152                         bv->owner()->dispatch(FuncRequest(LFUN_SELFINSERT, "\""));
1153                 break;
1154         }
1155
1156         case LFUN_DATE_INSERT: {
1157                 replaceSelection(bv->getLyXText());
1158                 time_t now_time_t = time(NULL);
1159                 struct tm * now_tm = localtime(&now_time_t);
1160                 setlocale(LC_TIME, "");
1161                 string arg;
1162                 if (!cmd.argument.empty())
1163                         arg = cmd.argument;
1164                 else
1165                         arg = lyxrc.date_insert_format;
1166                 char datetmp[32];
1167                 int const datetmp_len =
1168                         ::strftime(datetmp, 32, arg.c_str(), now_tm);
1169
1170                 for (int i = 0; i < datetmp_len; i++)
1171                         insertChar(datetmp[i]);
1172
1173                 selection.cursor = cursor;
1174                 moveCursorUpdate(bv, false);
1175                 break;
1176         }
1177
1178         case LFUN_MOUSE_TRIPLE:
1179                 if (!bv->buffer())
1180                         break;
1181                 if (!isInInset() && bv->theLockingInset())
1182                         break;
1183                 if (cmd.button() == mouse_button::button1) {
1184                         cursorHome();
1185                         selection.cursor = cursor;
1186                         cursorEnd();
1187                         setSelection();
1188                         bv->update();
1189                         bv->haveSelection(selection.set());
1190                 }
1191                 break;
1192
1193         case LFUN_MOUSE_DOUBLE:
1194                 if (!bv->buffer())
1195                         break;
1196                 if (!isInInset() && bv->theLockingInset())
1197                         break;
1198                 if (cmd.button() == mouse_button::button1) {
1199                         selectWord(lyx::WHOLE_WORD_STRICT);
1200                         bv->update();
1201                         bv->haveSelection(selection.set());
1202                 }
1203                 break;
1204
1205         case LFUN_MOUSE_MOTION:
1206         {
1207                 // Only use motion with button 1
1208                 //if (ev.button() != mouse_button::button1)
1209                 //      return false;
1210
1211                 if (!bv->buffer())
1212                         break;
1213
1214                 // Check for inset locking
1215                 if (bv->theLockingInset()) {
1216                         InsetOld * tli = bv->theLockingInset();
1217                         LyXCursor cursor = bv->text->cursor;
1218                         LyXFont font = bv->text->getFont(bv->text->cursorPar(), cursor.pos());
1219                         int width = tli->width();
1220                         int inset_x = font.isVisibleRightToLeft()
1221                                 ? cursor.x() - width : cursor.x();
1222                         int start_x = inset_x + tli->scroll();
1223                         FuncRequest cmd1 = cmd;
1224                         cmd1.x = cmd.x - start_x;
1225                         cmd1.y = cmd.y - cursor.y() + bv->top_y();
1226                         tli->dispatch(cmd1);
1227                         break;
1228                 }
1229
1230                 // The test for not selection possible is needed, that only motion
1231                 // events are used, where the bottom press event was on
1232                 //  the drawing area too
1233                 if (!selection_possible) {
1234                         lyxerr[Debug::ACTION]
1235                                 << "BufferView::Pimpl::Dispatch: no selection possible\n";
1236                         break;
1237                 }
1238
1239                 RowList::iterator cursorrow = bv->text->cursorRow();
1240                 bv->text->setCursorFromCoordinates(cmd.x, cmd.y + bv->top_y());
1241         #if 0
1242                 // sorry for this but I have a strange error that the y value jumps at
1243                 // a certain point. This seems like an error in my xforms library or
1244                 // in some other local environment, but I would like to leave this here
1245                 // for the moment until I can remove this (Jug 20020418)
1246                 if (y_before < bv->text->cursor.y())
1247                         lyxerr << y_before << ':'
1248                                << bv->text->cursor.y() << endl;
1249         #endif
1250                 // This is to allow jumping over large insets
1251                 if (cursorrow == bv->text->cursorRow()) {
1252                         if (cmd.y >= bv->workHeight())
1253                                 bv->text->cursorDown(false);
1254                         else if (cmd.y < 0)
1255                                 bv->text->cursorUp(false);
1256                 }
1257
1258                 bv->text->setSelection();
1259                 bv->update();
1260                 break;
1261         }
1262
1263         // Single-click on work area
1264         case LFUN_MOUSE_PRESS:
1265         {
1266                 if (!bv->buffer())
1267                         break;
1268
1269                 // ok ok, this is a hack (for xforms)
1270                 // We shouldn't go further down as we really should only do the
1271                 // scrolling and be done with this. Otherwise we may open some
1272                 // dialogs (Jug 20020424).
1273                 if (cmd.button() == mouse_button::button4) {
1274                         bv->scroll(-lyxrc.wheel_jump);
1275                         break;
1276                 }
1277                 if (cmd.button() == mouse_button::button5) {
1278                         bv->scroll(lyxrc.wheel_jump);
1279                         break;
1280                 }
1281
1282                 int x = cmd.x;
1283                 int y = cmd.y;
1284                 InsetOld * inset_hit = bv->text->checkInsetHit(x, y);
1285
1286                 // Middle button press pastes if we have a selection
1287                 // We do this here as if the selection was inside an inset
1288                 // it could get cleared on the unlocking of the inset so
1289                 // we have to check this first
1290                 bool paste_internally = false;
1291                 if (cmd.button() == mouse_button::button2 && selection.set()) {
1292                         bv->owner()->dispatch(FuncRequest(LFUN_COPY));
1293                         paste_internally = true;
1294                 }
1295
1296                 int const screen_first = bv->top_y();
1297
1298                 if (bv->theLockingInset()) {
1299                         // We are in inset locking mode
1300
1301                         // Check whether the inset was hit. If not reset mode,
1302                         // otherwise give the event to the inset
1303                         if (inset_hit == bv->theLockingInset()) {
1304                                 FuncRequest cmd1(bv, LFUN_MOUSE_PRESS, x, y, cmd.button());
1305                                 bv->theLockingInset()->dispatch(cmd1);
1306                                 break;
1307                         }
1308                         bv->unlockInset(bv->theLockingInset());
1309                 }
1310
1311                 if (!inset_hit)
1312                         selection_possible = true;
1313
1314                 // Clear the selection
1315                 bv->text->clearSelection();
1316                 bv->update();
1317                 bv->updateScrollbar();
1318
1319                 // Single left click in math inset?
1320                 if (isHighlyEditableInset(inset_hit)) {
1321                         // Highly editable inset, like math
1322                         UpdatableInset * inset = static_cast<UpdatableInset *>(inset_hit);
1323                         selection_possible = false;
1324                         bv->owner()->message(inset->editMessage());
1325                         // We just have to lock the inset before calling a PressEvent on it!
1326                         if (!bv->lockInset(inset))
1327                                 lyxerr[Debug::INSETS] << "Cannot lock inset" << endl;
1328                         FuncRequest cmd1(bv, LFUN_MOUSE_PRESS, x, y, cmd.button());
1329                         inset->dispatch(cmd1);
1330                         break;
1331                 }
1332                 // I'm not sure we should continue here if we hit an inset (Jug20020403)
1333
1334                 // Right click on a footnote flag opens float menu
1335                 if (cmd.button() == mouse_button::button3) {
1336                         selection_possible = false;
1337                         break;
1338                 }
1339
1340                 if (!inset_hit) // otherwise it was already set in checkInsetHit(...)
1341                         bv->text->setCursorFromCoordinates(x, y + screen_first);
1342                 finishUndo();
1343                 bv->text->selection.cursor = bv->text->cursor;
1344                 bv->text->cursor.x_fix(bv->text->cursor.x());
1345
1346                 if (bv->fitCursor())
1347                         selection_possible = false;
1348
1349                 // Insert primary selection with middle mouse
1350                 // if there is a local selection in the current buffer,
1351                 // insert this
1352                 if (cmd.button() == mouse_button::button2) {
1353                         if (paste_internally)
1354                                 bv->owner()->dispatch(FuncRequest(LFUN_PASTE));
1355                         else
1356                                 bv->owner()->dispatch(FuncRequest(LFUN_PASTESELECTION, "paragraph"));
1357                         selection_possible = false;
1358                 }
1359                 break;
1360         }
1361
1362         case LFUN_MOUSE_RELEASE:
1363         {
1364                 // do nothing if we used the mouse wheel
1365                 if (!bv->buffer())
1366                         break;
1367
1368                 if (cmd.button() == mouse_button::button4
1369                  || cmd.button() == mouse_button::button5)
1370                         break;
1371
1372                 // If we hit an inset, we have the inset coordinates in these
1373                 // and inset_hit points to the inset.  If we do not hit an
1374                 // inset, inset_hit is 0, and inset_x == x, inset_y == y.
1375                 int x = cmd.x;
1376                 int y = cmd.y;
1377                 InsetOld * inset_hit = bv->text->checkInsetHit(x, y);
1378
1379                 if (bv->theLockingInset()) {
1380                         // We are in inset locking mode.
1381
1382                         // LyX does a kind of work-area grabbing for insets.
1383                         // Only a ButtonPress FuncRequest outside the inset will
1384                         // force a insetUnlock.
1385                         FuncRequest cmd1(bv, LFUN_MOUSE_RELEASE, x, y, cmd.button());
1386                         bv->theLockingInset()->dispatch(cmd1);
1387                         break;
1388                 }
1389
1390                 selection_possible = false;
1391
1392                 if (cmd.button() == mouse_button::button2)
1393                         break;
1394
1395                 // finish selection
1396                 if (cmd.button() == mouse_button::button1)
1397                         bv->haveSelection(selection.set());
1398
1399                 bv->switchKeyMap();
1400                 bv->owner()->view_state_changed();
1401                 bv->owner()->updateMenubar();
1402                 bv->owner()->updateToolbar();
1403
1404                 // Did we hit an editable inset?
1405                 if (inset_hit) {
1406                         selection_possible = false;
1407
1408                         // if we reach this point with a selection, it
1409                         // must mean we are currently selecting.
1410                         // But we don't want to open the inset
1411                         // because that is annoying for the user.
1412                         // So just pretend we didn't hit it.
1413                         // this is OK because a "kosher" ButtonRelease
1414                         // will follow a ButtonPress that clears
1415                         // the selection.
1416                         // Note this also fixes selection drawing
1417                         // problems if we end up opening an inset
1418                         if (selection.set())
1419                                 break;
1420
1421                         // CHECK fix this proper in 0.13
1422                         // well, maybe 13.0 !!!!!!!!!
1423
1424                         // Following a ref shouldn't issue
1425                         // a push on the undo-stack
1426                         // anylonger, now that we have
1427                         // keybindings for following
1428                         // references and returning from
1429                         // references.  IMHO though, it
1430                         // should be the inset's own business
1431                         // to push or not push on the undo
1432                         // stack. They don't *have* to
1433                         // alter the document...
1434                         // (Joacim)
1435                         // ...or maybe the recordUndo()
1436                         // below isn't necessary at all anylonger?
1437                         if (inset_hit->lyxCode() == InsetOld::REF_CODE)
1438                                 recUndo(cursor.par());
1439
1440                         bv->owner()->message(inset_hit->editMessage());
1441
1442                         FuncRequest cmd1(bv, LFUN_MOUSE_RELEASE, x, y, cmd.button());
1443                         inset_hit->dispatch(cmd1);
1444                 }
1445
1446                 break;
1447         }
1448
1449         case LFUN_SELFINSERT: {
1450                 if (cmd.argument.empty())
1451                         break;
1452
1453                 // Automatically delete the currently selected
1454                 // text and replace it with what is being
1455                 // typed in now. Depends on lyxrc settings
1456                 // "auto_region_delete", which defaults to
1457                 // true (on).
1458
1459                 if (lyxrc.auto_region_delete) {
1460                         if (selection.set())
1461                                 cutSelection(false, false);
1462                         bv->haveSelection(false);
1463                 }
1464
1465                 bv->beforeChange(this);
1466                 LyXFont const old_font = real_current_font;
1467
1468                 string::const_iterator cit = cmd.argument.begin();
1469                 string::const_iterator end = cmd.argument.end();
1470                 for (; cit != end; ++cit)
1471                         bv->owner()->getIntl().getTransManager().
1472                                 TranslateAndInsert(*cit, this);
1473
1474                 selection.cursor = cursor;
1475                 moveCursorUpdate(bv, false);
1476
1477                 // real_current_font.number can change so we need to
1478                 // update the minibuffer
1479                 if (old_font != real_current_font)
1480                         bv->owner()->view_state_changed();
1481                 bv->updateScrollbar();
1482                 break;
1483         }
1484
1485         case LFUN_HTMLURL: {
1486                 InsetCommandParams p("htmlurl");
1487                 string const data = InsetCommandMailer::params2string("url", p);
1488                 bv->owner()->getDialogs().show("url", data, 0);
1489                 break;
1490         }
1491
1492         case LFUN_URL: {
1493                 InsetCommandParams p("url");
1494                 string const data = InsetCommandMailer::params2string("url", p);
1495                 bv->owner()->getDialogs().show("url", data, 0);
1496                 break;
1497         }
1498
1499
1500 #if 0
1501         case LFUN_INSET_LIST:
1502         case LFUN_INSET_THEOREM:
1503         case LFUN_INSET_CAPTION:
1504 #endif
1505         case LFUN_INSERT_NOTE:
1506         case LFUN_INSERT_BOX:
1507         case LFUN_INSERT_BRANCH:
1508         case LFUN_INSERT_BIBITEM:
1509         case LFUN_INSET_ERT:
1510         case LFUN_INSET_FLOAT:
1511         case LFUN_INSET_FOOTNOTE:
1512         case LFUN_INSET_MARGINAL:
1513         case LFUN_INSET_MINIPAGE:
1514         case LFUN_INSET_OPTARG:
1515         case LFUN_INSET_WIDE_FLOAT:
1516         case LFUN_INSET_WRAP:
1517         case LFUN_TABULAR_INSERT:
1518         case LFUN_ENVIRONMENT_INSERT:
1519                 // Open the inset, and move the current selection
1520                 // inside it.
1521                 doInsertInset(this, cmd, true, true);
1522                 break;
1523
1524         case LFUN_INDEX_INSERT:
1525                 // Just open the inset
1526                 doInsertInset(this, cmd, true, false);
1527                 break;
1528
1529         case LFUN_INDEX_PRINT:
1530         case LFUN_TOC_INSERT:
1531         case LFUN_HFILL:
1532                 // do nothing fancy
1533                 doInsertInset(this, cmd, false, false);
1534                 break;
1535
1536         case LFUN_DEPTH_MIN:
1537                 bv_funcs::changeDepth(bv, this, bv_funcs::DEC_DEPTH, false);
1538                 clearSelection();
1539                 bv->update();
1540                 break;
1541
1542         case LFUN_DEPTH_PLUS:
1543                 clearSelection();
1544                 bv_funcs::changeDepth(bv, this, bv_funcs::INC_DEPTH, false);
1545                 clearSelection();
1546                 bv->update();
1547                 break;
1548
1549         default:
1550                 return UNDISPATCHED;
1551         }
1552
1553         return DISPATCHED;
1554 }