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