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