src/text3.C

   1 /* This file is part of
   2  * ======================================================
   3  *
   4  *           LyX, The Document Processor
   5  *
   6  *           Copyright 1995 Matthias Ettrich
   7  *           Copyright 1995-2002 The LyX Team.
   8  *
   9  * ====================================================== */
  10
  11 #include <config.h>
  12
  13 #include "lyxtext.h"
  14 #include "lyxrow.h"
  15 #include "paragraph.h"
  16 #include "BufferView.h"
  17 #include "funcrequest.h"
  18 #include "lyxrc.h"
  19 #include "debug.h"
  20 #include "bufferparams.h"
  21 #include "buffer.h"
  22 #include "ParagraphParameters.h"
  23 #include "gettext.h"
  24 #include "factory.h"
  25 #include "intl.h"
  26 #include "box.h"
  27 #include "language.h"
  28 #include "support/lstrings.h"
  29 #include "frontends/LyXView.h"
  30 #include "frontends/screen.h"
  31 #include "frontends/Dialogs.h"
  32 #include "insets/insetspecialchar.h"
  33 #include "insets/insettext.h"
  34 #include "insets/insetbib.h"
  35 #include "insets/insetquotes.h"
  36 #include "insets/insetcommand.h"
  37 #include "undo_funcs.h"
  38
  39 #include <ctime>
  40 #include <clocale>
  41
  42 using std::endl;
  43 using std::find;
  44 using std::vector;
  45
  46 extern string current_layout;
  47 extern int bibitemMaxWidth(BufferView *, LyXFont const &);
  48
  49 // the selection possible is needed, that only motion events are
  50 // used, where the bottom press event was on the drawing area too
  51 bool selection_possible = false;
  52
  53
  54 namespace {
  55
  56         void moveCursorUpdate(BufferView * bv, bool selecting)
  57         {
  58                 LyXText * lt = bv->getLyXText();
  59
  60                 if (selecting || lt->selection.mark()) {
  61                         lt->setSelection(bv);
  62                         if (lt->bv_owner)
  63                                 bv->toggleToggle();
  64                         else
  65                                 bv->updateInset(lt->inset_owner, false);
  66                 }
  67                 if (lt->bv_owner) {
  68                         //if (fitcur)
  69                         //      bv->update(lt, BufferView::SELECT|BufferView::FITCUR);
  70                         //else
  71                         bv->update(lt, BufferView::SELECT|BufferView::FITCUR);
  72                         bv->showCursor();
  73                 } else if (bv->text->status() != LyXText::UNCHANGED) {
  74                         bv->theLockingInset()->hideInsetCursor(bv);
  75                         bv->update(bv->text, BufferView::SELECT|BufferView::FITCUR);
  76                         bv->showCursor();
  77                 }
  78
  79                 if (!lt->selection.set())
  80                         bv->haveSelection(false);
  81
  82                 bv->switchKeyMap();
  83         }
  84
  85
  86         void finishChange(BufferView * bv, bool selecting = false)
  87         {
  88                 finishUndo();
  89                 moveCursorUpdate(bv, selecting);
  90                 bv->owner()->view_state_changed();
  91         }
  92
  93         // check if the given co-ordinates are inside an inset at the
  94         // given cursor, if one exists. If so, the inset is returned,
  95         // and the co-ordinates are made relative. Otherwise, 0 is returned.
  96         Inset * checkInset(BufferView * bv, LyXText const & text,
  97                 LyXCursor const & cur, int & x, int & y)
  98         {
  99                 lyx::pos_type const pos = cur.pos();
 100                 Paragraph /*const*/ & par = *cur.par();
 101
 102                 if (pos >= par.size() || !par.isInset(pos))
 103                         return 0;
 104
 105                 Inset /*const*/ * inset = par.getInset(pos);
 106
 107                 if (!isEditableInset(inset))
 108                         return 0;
 109
 110                 // get inset dimensions
 111                 lyx::Assert(par.getInset(pos));
 112
 113                 LyXFont const & font = text.getFont(bv->buffer(), &par, pos);
 114
 115                 int const width = inset->width(bv, font);
 116                 int const inset_x = font.isVisibleRightToLeft()
 117                         ? (cur.ix() - width) : cur.ix();
 118
 119                 Box b(
 120                         inset_x + inset->scroll(),
 121                         inset_x + width,
 122                         cur.iy() - inset->ascent(bv, font),
 123                         cur.iy() + inset->descent(bv, font)
 124                 );
 125
 126                 if (!b.contained(x, y)) {
 127                         lyxerr[Debug::GUI] << "Missed inset at x,y "
 128                                            << x << ',' << y
 129                                            << " box " << b << endl;
 130                         return 0;
 131                 }
 132
 133                 text.setCursor(bv, &par, pos, true);
 134
 135                 x -= b.x1;
 136                 // The origin of an inset is on the baseline
 137                 y -= text.cursor.iy();
 138
 139                 return inset;
 140         }
 141
 142 } // anon namespace
 143
 144
 145 Inset * LyXText::checkInsetHit(BufferView * bv, int & x, int & y) const
 146 {
 147         int y_tmp = y + first_y;
 148
 149         LyXCursor cur;
 150         setCursorFromCoordinates(bv, cur, x, y_tmp);
 151
 152         Inset * inset = checkInset(bv, *this, cur, x, y_tmp);
 153         if (inset) {
 154                 y = y_tmp;
 155                 return inset;
 156         }
 157
 158         // look at previous position
 159         if (cur.pos() == 0)
 160                 return 0;
 161
 162         // move back one
 163         setCursor(bv, cur, cur.par(), cur.pos() - 1, true);
 164
 165         inset = checkInset(bv, *this, cur, x, y_tmp);
 166         if (inset)
 167                 y = y_tmp;
 168         return inset;
 169 }
 170
 171
 172 bool LyXText::gotoNextInset(BufferView * bv,
 173         vector<Inset::Code> const & codes, string const & contents) const
 174 {
 175         LyXCursor res = cursor;
 176         Inset * inset;
 177         do {
 178                 if (res.pos() < res.par()->size() - 1) {
 179                         res.pos(res.pos() + 1);
 180                 } else  {
 181                         res.par(res.par()->next());
 182                         res.pos(0);
 183                 }
 184
 185         } while (res.par() &&
 186                  !(res.par()->isInset(res.pos())
 187                    && (inset = res.par()->getInset(res.pos())) != 0
 188                    && find(codes.begin(), codes.end(), inset->lyxCode())
 189                    != codes.end()
 190                    && (contents.empty() ||
 191                        static_cast<InsetCommand *>(
 192                                                         res.par()->getInset(res.pos()))->getContents()
 193                        == contents)));
 194
 195         if (res.par()) {
 196                 setCursor(bv, res.par(), res.pos(), false);
 197                 return true;
 198         }
 199         return false;
 200 }
 201
 202
 203 void LyXText::gotoInset(BufferView * bv, vector<Inset::Code> const & codes,
 204                                   bool same_content)
 205 {
 206         bv->hideCursor();
 207         bv->beforeChange(this);
 208         update(bv, false);
 209
 210         string contents;
 211         if (same_content && cursor.par()->isInset(cursor.pos())) {
 212                 Inset const * inset = cursor.par()->getInset(cursor.pos());
 213                 if (find(codes.begin(), codes.end(), inset->lyxCode())
 214                     != codes.end())
 215                         contents = static_cast<InsetCommand const *>(inset)->getContents();
 216         }
 217
 218         if (!gotoNextInset(bv, codes, contents)) {
 219                 if (cursor.pos() || cursor.par() != ownerParagraph()) {
 220                         LyXCursor tmp = cursor;
 221                         cursor.par(ownerParagraph());
 222                         cursor.pos(0);
 223                         if (!gotoNextInset(bv, codes, contents)) {
 224                                 cursor = tmp;
 225                                 bv->owner()->message(_("No more insets"));
 226                         }
 227                 } else {
 228                         bv->owner()->message(_("No more insets"));
 229                 }
 230         }
 231         update(bv, false);
 232         selection.cursor = cursor;
 233 }
 234
 235
 236 void LyXText::gotoInset(BufferView * bv, Inset::Code code, bool same_content)
 237 {
 238         gotoInset(bv, vector<Inset::Code>(1, code), same_content);
 239 }
 240
 241
 242 void LyXText::cursorPrevious(BufferView * bv)
 243 {
 244         if (!cursor.row()->previous()) {
 245                 if (first_y > 0) {
 246                         int new_y = bv->text->first_y - bv->workHeight();
 247                         bv->screen().draw(bv->text, bv, new_y < 0 ? 0 : new_y);
 248                         bv->updateScrollbar();
 249                 }
 250                 return;
 251         }
 252
 253         int y = first_y;
 254         Row * cursorrow = cursor.row();
 255
 256         setCursorFromCoordinates(bv, cursor.x_fix(), y);
 257         finishUndo();
 258
 259         int new_y;
 260         if (cursorrow == bv->text->cursor.row()) {
 261                 // we have a row which is higher than the workarea so we leave the
 262                 // cursor on the start of the row and move only the draw up as soon
 263                 // as we move the cursor or do something while inside the row (it may
 264                 // span several workarea-heights) we'll move to the top again, but this
 265                 // is better than just jump down and only display part of the row.
 266                 new_y = bv->text->first_y - bv->workHeight();
 267         } else {
 268                 if (inset_owner) {
 269                         new_y = bv->text->cursor.iy()
 270                                 + bv->theLockingInset()->insetInInsetY() + y
 271                                 + cursor.row()->height()
 272                                 - bv->workHeight() + 1;
 273                 } else {
 274                         new_y = cursor.y()
 275                                 - cursor.row()->baseline()
 276                                 + cursor.row()->height()
 277                                 - bv->workHeight() + 1;
 278                 }
 279         }
 280         bv->screen().draw(bv->text, bv, new_y < 0 ? 0 : new_y);
 281         if (cursor.row()->previous()) {
 282                 LyXCursor cur;
 283                 setCursor(bv, cur, cursor.row()->previous()->par(),
 284                                                 cursor.row()->previous()->pos(), false);
 285                 if (cur.y() > first_y) {
 286                         cursorUp(bv, true);
 287                 }
 288         }
 289         bv->updateScrollbar();
 290 }
 291
 292
 293 void LyXText::cursorNext(BufferView * bv)
 294 {
 295         if (!cursor.row()->next()) {
 296                 int y = cursor.y() - cursor.row()->baseline() +
 297                         cursor.row()->height();
 298                 if (y > int(first_y + bv->workHeight())) {
 299                         bv->screen().draw(bv->text, bv,
 300                                                   bv->text->first_y + bv->workHeight());
 301                         bv->updateScrollbar();
 302                 }
 303                 return;
 304         }
 305
 306         int y = first_y + bv->workHeight();
 307         if (inset_owner && !first_y) {
 308                 y -= (bv->text->cursor.iy()
 309                           - bv->text->first_y
 310                           + bv->theLockingInset()->insetInInsetY());
 311         }
 312
 313         getRowNearY(y);
 314
 315         Row * cursorrow = cursor.row();
 316         setCursorFromCoordinates(bv, cursor.x_fix(), y);
 317         // + bv->workHeight());
 318         finishUndo();
 319
 320         int new_y;
 321         if (cursorrow == bv->text->cursor.row()) {
 322                 // we have a row which is higher than the workarea so we leave the
 323                 // cursor on the start of the row and move only the draw down as soon
 324                 // as we move the cursor or do something while inside the row (it may
 325                 // span several workarea-heights) we'll move to the top again, but this
 326                 // is better than just jump down and only display part of the row.
 327                 new_y = bv->text->first_y + bv->workHeight();
 328         } else {
 329                 if (inset_owner) {
 330                         new_y = bv->text->cursor.iy()
 331                                 + bv->theLockingInset()->insetInInsetY()
 332                                 + y - cursor.row()->baseline();
 333                 } else {
 334                         new_y =  cursor.y() - cursor.row()->baseline();
 335                 }
 336         }
 337         bv->screen().draw(bv->text, bv, new_y);
 338         if (cursor.row()->next()) {
 339                 LyXCursor cur;
 340                 setCursor(bv, cur, cursor.row()->next()->par(),
 341                                                 cursor.row()->next()->pos(), false);
 342                 if (cur.y() < int(first_y + bv->workHeight())) {
 343                         cursorDown(bv, true);
 344                 }
 345         }
 346         bv->updateScrollbar();
 347 }
 348
 349
 350 void LyXText::update(BufferView * bv, bool changed)
 351 {
 352         BufferView::UpdateCodes c = BufferView::SELECT | BufferView::FITCUR;
 353         if (changed)
 354                 bv->update(this, c | BufferView::CHANGE);
 355         else
 356                 bv->update(this, c);
 357 }
 358
 359
 360 void specialChar(LyXText * lt, BufferView * bv, InsetSpecialChar::Kind kind)
 361 {
 362         bv->hideCursor();
 363         lt->update(bv);
 364         InsetSpecialChar * new_inset = new InsetSpecialChar(kind);
 365         if (!bv->insertInset(new_inset))
 366                 delete new_inset;
 367         else
 368                 bv->updateInset(new_inset, true);
 369 }
 370
 371
 372 Inset::RESULT LyXText::dispatch(FuncRequest const & cmd)
 373 {
 374         lyxerr[Debug::ACTION] << "LyXFunc::dispatch: action[" << cmd.action
 375                               <<"] arg[" << cmd.argument << ']' << endl;
 376
 377         BufferView * bv = cmd.view();
 378
 379         switch (cmd.action) {
 380
 381         case LFUN_APPENDIX: {
 382                 Paragraph * par = cursor.par();
 383                 bool start = !par->params().startOfAppendix();
 384
 385                 // ensure that we have only one start_of_appendix in this document
 386                 Paragraph * tmp = ownerParagraph();
 387                 for (; tmp; tmp = tmp->next()) {
 388                         if (tmp->params().startOfAppendix()) {
 389                                 setUndo(bv, Undo::EDIT, tmp, tmp->next());
 390                                 tmp->params().startOfAppendix(false);
 391                                 break;
 392                         }
 393                 }
 394
 395                 setUndo(bv, Undo::EDIT, par, par->next());
 396                 par->params().startOfAppendix(start);
 397
 398                 // we can set the refreshing parameters now
 399                 status(cmd.view(), LyXText::NEED_MORE_REFRESH);
 400                 refresh_y = 0;
 401                 refresh_row = 0; // not needed for full update
 402                 updateCounters(cmd.view());
 403                 setCursor(cmd.view(), cursor.par(), cursor.pos());
 404                 update(bv);
 405                 break;
 406         }
 407
 408         case LFUN_DELETE_WORD_FORWARD:
 409                 bv->beforeChange(this);
 410                 update(bv, false);
 411                 deleteWordForward(bv);
 412                 update(bv);
 413                 finishChange(bv);
 414                 break;
 415
 416         case LFUN_DELETE_WORD_BACKWARD:
 417                 bv->beforeChange(this);
 418                 update(bv, false);
 419                 deleteWordBackward(bv);
 420                 update(bv, true);
 421                 finishChange(bv);
 422                 break;
 423
 424         case LFUN_DELETE_LINE_FORWARD:
 425                 bv->beforeChange(this);
 426                 update(bv, false);
 427                 deleteLineForward(bv);
 428                 update(bv);
 429                 finishChange(bv);
 430                 break;
 431
 432         case LFUN_SHIFT_TAB:
 433         case LFUN_TAB:
 434                 if (!selection.mark())
 435                         bv->beforeChange(this);
 436                 update(bv, false);
 437                 cursorTab(bv);
 438                 finishChange(bv);
 439                 break;
 440
 441         case LFUN_WORDRIGHT:
 442                 if (!selection.mark())
 443                         bv->beforeChange(this);
 444                 update(bv, false);
 445                 if (cursor.par()->isRightToLeftPar(bv->buffer()->params))
 446                         cursorLeftOneWord(bv);
 447                 else
 448                         cursorRightOneWord(bv);
 449                 finishChange(bv);
 450                 break;
 451
 452         case LFUN_WORDLEFT:
 453                 if (!selection.mark())
 454                         bv->beforeChange(this);
 455                 update(bv, false);
 456                 if (cursor.par()->isRightToLeftPar(bv->buffer()->params))
 457                         cursorRightOneWord(bv);
 458                 else
 459                         cursorLeftOneWord(bv);
 460                 finishChange(bv);
 461                 break;
 462
 463         case LFUN_BEGINNINGBUF:
 464                 if (!selection.mark())
 465                         bv->beforeChange(this);
 466                 update(bv, false);
 467                 cursorTop(bv);
 468                 finishChange(bv);
 469                 break;
 470
 471         case LFUN_ENDBUF:
 472                 if (selection.mark())
 473                         bv->beforeChange(this);
 474                 update(bv, false);
 475                 cursorBottom(bv);
 476                 finishChange(bv);
 477                 break;
 478
 479         case LFUN_RIGHTSEL:
 480                 update(bv, false);
 481                 if (cursor.par()->isRightToLeftPar(bv->buffer()->params))
 482                         cursorLeft(bv);
 483                 else
 484                         cursorRight(bv);
 485                 finishChange(bv, true);
 486                 break;
 487
 488         case LFUN_LEFTSEL:
 489                 update(bv, false);
 490                 if (cursor.par()->isRightToLeftPar(bv->buffer()->params))
 491                         cursorRight(bv);
 492                 else
 493                         cursorLeft(bv);
 494                 finishChange(bv, true);
 495                 break;
 496
 497         case LFUN_UPSEL:
 498                 update(bv, false);
 499                 cursorUp(bv, true);
 500                 finishChange(bv, true);
 501                 break;
 502
 503         case LFUN_DOWNSEL:
 504                 update(bv, false);
 505                 cursorDown(bv, true);
 506                 finishChange(bv, true);
 507                 break;
 508
 509         case LFUN_UP_PARAGRAPHSEL:
 510                 update(bv, false);
 511                 cursorUpParagraph(bv);
 512                 finishChange(bv, true);
 513                 break;
 514
 515         case LFUN_DOWN_PARAGRAPHSEL:
 516                 update(bv, false);
 517                 cursorDownParagraph(bv);
 518                 finishChange(bv, true);
 519                 break;
 520
 521         case LFUN_PRIORSEL:
 522                 update(bv, false);
 523                 cursorPrevious(bv);
 524                 finishChange(bv, true);
 525                 break;
 526
 527         case LFUN_NEXTSEL:
 528                 update(bv, false);
 529                 cursorNext(bv);
 530                 finishChange(bv, true);
 531                 break;
 532
 533         case LFUN_HOMESEL:
 534                 update(bv, false);
 535                 cursorHome(bv);
 536                 finishChange(bv, true);
 537                 break;
 538
 539         case LFUN_ENDSEL:
 540                 update(bv, false);
 541                 cursorEnd(bv);
 542                 finishChange(bv, true);
 543                 break;
 544
 545         case LFUN_WORDRIGHTSEL:
 546                 update(bv, false);
 547                 if (cursor.par()->isRightToLeftPar(bv->buffer()->params))
 548                         cursorLeftOneWord(bv);
 549                 else
 550                         cursorRightOneWord(bv);
 551                 finishChange(bv, true);
 552                 break;
 553
 554         case LFUN_WORDLEFTSEL:
 555                 update(bv, false);
 556                 if (cursor.par()->isRightToLeftPar(bv->buffer()->params))
 557                         cursorRightOneWord(bv);
 558                 else
 559                         cursorLeftOneWord(bv);
 560                 finishChange(bv, true);
 561                 break;
 562
 563         case LFUN_WORDSEL: {
 564                 update(bv, false);
 565                 LyXCursor cur1;
 566                 LyXCursor cur2;
 567                 getWord(cur1, cur2, WHOLE_WORD);
 568                 setCursor(bv, cur1.par(), cur1.pos());
 569                 bv->beforeChange(this);
 570                 setCursor(bv, cur2.par(), cur2.pos());
 571                 finishChange(bv, true);
 572                 break;
 573         }
 574
 575         case LFUN_RIGHT: {
 576                 bool is_rtl = cursor.par()->isRightToLeftPar(bv->buffer()->params);
 577                 if (!selection.mark())
 578                         bv->beforeChange(this);
 579                 update(bv, false);
 580                 if (is_rtl)
 581                         cursorLeft(bv, false);
 582                 if (cursor.pos() < cursor.par()->size()
 583                     && cursor.par()->isInset(cursor.pos())
 584                     && isHighlyEditableInset(cursor.par()->getInset(cursor.pos()))) {
 585                         Inset * tmpinset = cursor.par()->getInset(cursor.pos());
 586                         cmd.message(tmpinset->editMessage());
 587                         tmpinset->edit(bv, !is_rtl);
 588                         break;
 589                 }
 590                 if (!is_rtl)
 591                         cursorRight(bv, false);
 592                 finishChange(bv);
 593                 break;
 594         }
 595
 596         case LFUN_LEFT: {
 597                 // This is soooo ugly. Isn`t it possible to make
 598                 // it simpler? (Lgb)
 599                 bool const is_rtl = cursor.par()->isRightToLeftPar(bv->buffer()->params);
 600                 if (!selection.mark())
 601                         bv->beforeChange(this);
 602                 update(bv, false);
 603                 LyXCursor const cur = cursor;
 604                 if (!is_rtl)
 605                         cursorLeft(bv, false);
 606                 if ((is_rtl || cur != cursor) && // only if really moved!
 607                     cursor.pos() < cursor.par()->size() &&
 608                     cursor.par()->isInset(cursor.pos()) &&
 609                     isHighlyEditableInset(cursor.par()->getInset(cursor.pos()))) {
 610                         Inset * tmpinset = cursor.par()->getInset(cursor.pos());
 611                         cmd.message(tmpinset->editMessage());
 612                         tmpinset->edit(bv, is_rtl);
 613                         break;
 614                 }
 615                 if (is_rtl)
 616                         cursorRight(bv, false);
 617                 finishChange(bv);
 618                 break;
 619         }
 620
 621         case LFUN_UP:
 622                 if (!selection.mark())
 623                         bv->beforeChange(this);
 624                 bv->update(this, BufferView::UPDATE);
 625                 cursorUp(bv);
 626                 finishChange(bv);
 627                 break;
 628
 629         case LFUN_DOWN:
 630                 if (!selection.mark())
 631                         bv->beforeChange(this);
 632                 bv->update(this, BufferView::UPDATE);
 633                 cursorDown(bv);
 634                 finishChange(bv);
 635                 break;
 636
 637         case LFUN_UP_PARAGRAPH:
 638                 if (!selection.mark())
 639                         bv->beforeChange(this);
 640                 bv->update(this, BufferView::UPDATE);
 641                 cursorUpParagraph(bv);
 642                 finishChange(bv);
 643                 break;
 644
 645         case LFUN_DOWN_PARAGRAPH:
 646                 if (!selection.mark())
 647                         bv->beforeChange(this);
 648                 bv->update(this, BufferView::UPDATE);
 649                 cursorDownParagraph(bv);
 650                 finishChange(bv, false);
 651                 break;
 652
 653         case LFUN_PRIOR:
 654                 if (!selection.mark())
 655                         bv->beforeChange(this);
 656                 bv->update(this, BufferView::UPDATE);
 657                 cursorPrevious(bv);
 658                 finishChange(bv, false);
 659                 // was:
 660                 // finishUndo();
 661                 // moveCursorUpdate(bv, false, false);
 662                 // owner_->view_state_changed();
 663                 break;
 664
 665         case LFUN_NEXT:
 666                 if (!selection.mark())
 667                         bv->beforeChange(this);
 668                 bv->update(this, BufferView::UPDATE);
 669                 cursorNext(bv);
 670                 finishChange(bv, false);
 671                 break;
 672
 673         case LFUN_HOME:
 674                 if (!selection.mark())
 675                         bv->beforeChange(this);
 676                 update(bv);
 677                 cursorHome(bv);
 678                 finishChange(bv, false);
 679                 break;
 680
 681         case LFUN_END:
 682                 if (!selection.mark())
 683                         bv->beforeChange(this);
 684                 update(bv);
 685                 cursorEnd(bv);
 686                 finishChange(bv, false);
 687                 break;
 688
 689         case LFUN_BREAKLINE:
 690                 bv->beforeChange(this);
 691                 insertChar(bv, Paragraph::META_NEWLINE);
 692                 update(bv, true);
 693                 setCursor(bv, cursor.par(), cursor.pos());
 694                 moveCursorUpdate(bv, false);
 695                 break;
 696
 697         case LFUN_DELETE:
 698                 if (!selection.set()) {
 699                         Delete(bv);
 700                         selection.cursor = cursor;
 701                         update(bv);
 702                         // It is possible to make it a lot faster still
 703                         // just comment out the line below...
 704                         bv->showCursor();
 705                 } else {
 706                         update(bv, false);
 707                         cutSelection(bv, true);
 708                         update(bv);
 709                 }
 710                 moveCursorUpdate(bv, false);
 711                 bv->owner()->view_state_changed();
 712                 bv->switchKeyMap();
 713                 break;
 714
 715         case LFUN_DELETE_SKIP:
 716                 // Reverse the effect of LFUN_BREAKPARAGRAPH_SKIP.
 717                 if (!selection.set()) {
 718                         LyXCursor cur = cursor;
 719                         if (cur.pos() == cur.par()->size()) {
 720                                 cursorRight(bv);
 721                                 cur = cursor;
 722                                 if (cur.pos() == 0
 723                                     && !(cur.par()->params().spaceTop()
 724                                          == VSpace (VSpace::NONE))) {
 725                                         setParagraph(bv,
 726                                                  cur.par()->params().lineTop(),
 727                                                  cur.par()->params().lineBottom(),
 728                                                  cur.par()->params().pagebreakTop(),
 729                                                  cur.par()->params().pagebreakBottom(),
 730                                                  VSpace(VSpace::NONE),
 731                                                  cur.par()->params().spaceBottom(),
 732                                                  cur.par()->params().spacing(),
 733                                                  cur.par()->params().align(),
 734                                                  cur.par()->params().labelWidthString(), 0);
 735                                         cursorLeft(bv);
 736                                         update(bv);
 737                                 } else {
 738                                         cursorLeft(bv);
 739                                         Delete(bv);
 740                                         selection.cursor = cursor;
 741                                 }
 742                         } else {
 743                                 Delete(bv);
 744                                 selection.cursor = cursor;
 745                         }
 746                 } else {
 747                         update(bv, false);
 748                         cutSelection(bv, true);
 749                 }
 750                 update(bv);
 751                 break;
 752
 753
 754         case LFUN_BACKSPACE:
 755                 if (!selection.set()) {
 756                         if (bv->owner()->getIntl().getTransManager().backspace()) {
 757                                 backspace(bv);
 758                                 selection.cursor = cursor;
 759                                 update(bv);
 760                                 // It is possible to make it a lot faster still
 761                                 // just comment out the line below...
 762                                 bv->showCursor();
 763                         }
 764                 } else {
 765                         update(bv, false);
 766                         cutSelection(bv, true);
 767                         update(bv);
 768                 }
 769                 bv->owner()->view_state_changed();
 770                 bv->switchKeyMap();
 771                 break;
 772
 773         case LFUN_BACKSPACE_SKIP:
 774                 // Reverse the effect of LFUN_BREAKPARAGRAPH_SKIP.
 775                 if (!selection.set()) {
 776                         LyXCursor cur = cursor;
 777                         if (cur.pos() == 0
 778                             && !(cur.par()->params().spaceTop()
 779                                  == VSpace (VSpace::NONE))) {
 780                                 setParagraph(bv,
 781                                          cur.par()->params().lineTop(),
 782                                          cur.par()->params().lineBottom(),
 783                                          cur.par()->params().pagebreakTop(),
 784                                          cur.par()->params().pagebreakBottom(),
 785                                          VSpace(VSpace::NONE), cur.par()->params().spaceBottom(),
 786                                          cur.par()->params().spacing(),
 787                                          cur.par()->params().align(),
 788                                          cur.par()->params().labelWidthString(), 0);
 789                         } else {
 790                                 backspace(bv);
 791                                 selection.cursor = cur;
 792                         }
 793                 } else {
 794                         update(bv, false);
 795                         cutSelection(bv, true);
 796                 }
 797                 update(bv);
 798                 break;
 799
 800         case LFUN_BREAKPARAGRAPH:
 801                 bv->beforeChange(this);
 802                 breakParagraph(bv, 0);
 803                 update(bv);
 804                 selection.cursor = cursor;
 805                 bv->switchKeyMap();
 806                 bv->owner()->view_state_changed();
 807                 break;
 808
 809         case LFUN_BREAKPARAGRAPHKEEPLAYOUT:
 810                 bv->beforeChange(this);
 811                 breakParagraph(bv, 1);
 812                 update(bv);
 813                 selection.cursor = cursor;
 814                 bv->switchKeyMap();
 815                 bv->owner()->view_state_changed();
 816                 break;
 817
 818         case LFUN_BREAKPARAGRAPH_SKIP: {
 819                 // When at the beginning of a paragraph, remove
 820                 // indentation and add a "defskip" at the top.
 821                 // Otherwise, do the same as LFUN_BREAKPARAGRAPH.
 822                 LyXCursor cur = cursor;
 823                 bv->beforeChange(this);
 824                 if (cur.pos() == 0) {
 825                         if (cur.par()->params().spaceTop() == VSpace(VSpace::NONE)) {
 826                                 setParagraph(bv,
 827                                          cur.par()->params().lineTop(),
 828                                          cur.par()->params().lineBottom(),
 829                                          cur.par()->params().pagebreakTop(),
 830                                          cur.par()->params().pagebreakBottom(),
 831                                          VSpace(VSpace::DEFSKIP), cur.par()->params().spaceBottom(),
 832                                          cur.par()->params().spacing(),
 833                                          cur.par()->params().align(),
 834                                          cur.par()->params().labelWidthString(), 1);
 835                                 //update(bv);
 836                         }
 837                 }
 838                 else {
 839                         breakParagraph(bv, 0);
 840                         //update(bv);
 841                 }
 842                 update(bv);
 843                 selection.cursor = cur;
 844                 bv->switchKeyMap();
 845                 bv->owner()->view_state_changed();
 846                 break;
 847         }
 848
 849         case LFUN_PARAGRAPH_SPACING: {
 850                 Paragraph * par = cursor.par();
 851                 Spacing::Space cur_spacing = par->params().spacing().getSpace();
 852                 float cur_value = 1.0;
 853                 if (cur_spacing == Spacing::Other)
 854                         cur_value = par->params().spacing().getValue();
 855
 856                 istringstream is(cmd.argument.c_str());
 857                 string tmp;
 858                 is >> tmp;
 859                 Spacing::Space new_spacing = cur_spacing;
 860                 float new_value = cur_value;
 861                 if (tmp.empty()) {
 862                         lyxerr << "Missing argument to `paragraph-spacing'"
 863                                << endl;
 864                 } else if (tmp == "single") {
 865                         new_spacing = Spacing::Single;
 866                 } else if (tmp == "onehalf") {
 867                         new_spacing = Spacing::Onehalf;
 868                 } else if (tmp == "double") {
 869                         new_spacing = Spacing::Double;
 870                 } else if (tmp == "other") {
 871                         new_spacing = Spacing::Other;
 872                         float tmpval = 0.0;
 873                         is >> tmpval;
 874                         lyxerr << "new_value = " << tmpval << endl;
 875                         if (tmpval != 0.0)
 876                                 new_value = tmpval;
 877                 } else if (tmp == "default") {
 878                         new_spacing = Spacing::Default;
 879                 } else {
 880                         lyxerr << _("Unknown spacing argument: ")
 881                                << cmd.argument << endl;
 882                 }
 883                 if (cur_spacing != new_spacing || cur_value != new_value) {
 884                         par->params().spacing(Spacing(new_spacing, new_value));
 885                         redoParagraph(bv);
 886                         update(bv);
 887                 }
 888                 break;
 889         }
 890
 891         case LFUN_INSET_TOGGLE:
 892                 bv->hideCursor();
 893                 bv->beforeChange(this);
 894                 update(bv, false);
 895                 toggleInset(bv);
 896                 update(bv, false);
 897                 bv->switchKeyMap();
 898                 break;
 899
 900         case LFUN_PROTECTEDSPACE:
 901                 if (cursor.par()->layout()->free_spacing) {
 902                         insertChar(bv, ' ');
 903                         update(bv);
 904                 } else {
 905                         specialChar(this, bv, InsetSpecialChar::PROTECTED_SEPARATOR);
 906                 }
 907                 moveCursorUpdate(bv, false);
 908                 break;
 909
 910         case LFUN_HYPHENATION:
 911                 specialChar(this, bv, InsetSpecialChar::HYPHENATION);
 912                 break;
 913
 914         case LFUN_LIGATURE_BREAK:
 915                 specialChar(this, bv, InsetSpecialChar::LIGATURE_BREAK);
 916                 break;
 917
 918         case LFUN_LDOTS:
 919                 specialChar(this, bv, InsetSpecialChar::LDOTS);
 920                 break;
 921
 922         case LFUN_HFILL:
 923                 bv->hideCursor();
 924                 update(bv, false);
 925                 insertChar(bv, Paragraph::META_HFILL);
 926                 update(bv);
 927                 break;
 928
 929         case LFUN_END_OF_SENTENCE:
 930                 specialChar(this, bv, InsetSpecialChar::END_OF_SENTENCE);
 931                 break;
 932
 933         case LFUN_MENU_SEPARATOR:
 934                 specialChar(this, bv, InsetSpecialChar::MENU_SEPARATOR);
 935                 break;
 936
 937         case LFUN_MARK_OFF:
 938                 bv->beforeChange(this);
 939                 update(bv, false);
 940                 selection.cursor = cursor;
 941                 cmd.message(N_("Mark off"));
 942                 break;
 943
 944         case LFUN_MARK_ON:
 945                 bv->beforeChange(this);
 946                 selection.mark(true);
 947                 update(bv, false);
 948                 selection.cursor = cursor;
 949                 cmd.message(N_("Mark on"));
 950                 break;
 951
 952         case LFUN_SETMARK:
 953                 bv->beforeChange(this);
 954                 if (selection.mark()) {
 955                         update(bv);
 956                         cmd.message(N_("Mark removed"));
 957                 } else {
 958                         selection.mark(true);
 959                         update(bv);
 960                         cmd.message(N_("Mark set"));
 961                 }
 962                 selection.cursor = cursor;
 963                 break;
 964
 965         case LFUN_UPCASE_WORD:
 966                 update(bv, false);
 967                 changeCase(bv, LyXText::text_uppercase);
 968                 if (inset_owner)
 969                         bv->updateInset(inset_owner, true);
 970                 update(bv);
 971                 break;
 972
 973         case LFUN_LOWCASE_WORD:
 974                 update(bv, false);
 975                 changeCase(bv, LyXText::text_lowercase);
 976                 if (inset_owner)
 977                         bv->updateInset(inset_owner, true);
 978                 update(bv);
 979                 break;
 980
 981         case LFUN_CAPITALIZE_WORD:
 982                 update(bv, false);
 983                 changeCase(bv, LyXText::text_capitalization);
 984                 if (inset_owner)
 985                         bv->updateInset(inset_owner, true);
 986                 update(bv);
 987                 break;
 988
 989         case LFUN_TRANSPOSE_CHARS:
 990                 update(bv, false);
 991                 transposeChars(*bv);
 992                 if (inset_owner)
 993                         bv->updateInset(inset_owner, true);
 994                 update(bv);
 995                 break;
 996
 997         case LFUN_PASTE:
 998                 cmd.message(_("Paste"));
 999                 bv->hideCursor();
1000                 // clear the selection
1001                 bv->toggleSelection();
1002                 clearSelection();
1003                 update(bv, false);
1004                 pasteSelection(bv);
1005                 clearSelection(); // bug 393
1006                 update(bv, false);
1007                 update(bv);
1008                 bv->switchKeyMap();
1009                 break;
1010
1011         case LFUN_CUT:
1012                 bv->hideCursor();
1013                 update(bv, false);
1014                 cutSelection(bv, true);
1015                 update(bv);
1016                 cmd.message(_("Cut"));
1017                 break;
1018
1019         case LFUN_COPY:
1020                 copySelection(bv);
1021                 cmd.message(_("Copy"));
1022                 break;
1023
1024         case LFUN_BEGINNINGBUFSEL:
1025                 if (inset_owner)
1026                         return Inset::UNDISPATCHED;
1027                 update(bv, false);
1028                 cursorTop(bv);
1029                 finishChange(bv, true);
1030                 break;
1031
1032         case LFUN_ENDBUFSEL:
1033                 if (inset_owner)
1034                         return Inset::UNDISPATCHED;
1035                 update(bv, false);
1036                 cursorBottom(bv);
1037                 finishChange(bv, true);
1038                 break;
1039
1040         case LFUN_GETXY:
1041                 cmd.message(tostr(cursor.x()) + ' ' + tostr(cursor.y()));
1042                 break;
1043
1044         case LFUN_SETXY: {
1045                 int x = 0;
1046                 int y = 0;
1047                 istringstream is(cmd.argument.c_str());
1048                 is >> x >> y;
1049                 if (!is)
1050                         lyxerr << "SETXY: Could not parse coordinates in '"
1051                                << cmd.argument << std::endl;
1052                 else
1053                         setCursorFromCoordinates(bv, x, y);
1054                 break;
1055         }
1056
1057         case LFUN_GETFONT:
1058                 if (current_font.shape() == LyXFont::ITALIC_SHAPE)
1059                         cmd.message("E");
1060                 else if (current_font.shape() == LyXFont::SMALLCAPS_SHAPE)
1061                         cmd.message("N");
1062                 else
1063                         cmd.message("0");
1064                 break;
1065
1066         case LFUN_GETLAYOUT:
1067                 cmd.message(tostr(cursor.par()->layout()));
1068                 break;
1069
1070         case LFUN_LAYOUT: {
1071                 lyxerr[Debug::INFO] << "LFUN_LAYOUT: (arg) "
1072                   << cmd.argument << endl;
1073
1074                 // This is not the good solution to the empty argument
1075                 // problem, but it will hopefully suffice for 1.2.0.
1076                 // The correct solution would be to augument the
1077                 // function list/array with information about what
1078                 // functions needs arguments and their type.
1079                 if (cmd.argument.empty()) {
1080                         cmd.errorMessage(_("LyX function 'layout' needs an argument."));
1081                         break;
1082                 }
1083
1084                 // Derive layout number from given argument (string)
1085                 // and current buffer's textclass (number)
1086                 LyXTextClass const & tclass = bv->buffer()->params.getLyXTextClass();
1087                 bool hasLayout = tclass.hasLayout(cmd.argument);
1088                 string layout = cmd.argument;
1089
1090                 // If the entry is obsolete, use the new one instead.
1091                 if (hasLayout) {
1092                         string const & obs = tclass[layout]->obsoleted_by();
1093                         if (!obs.empty())
1094                                 layout = obs;
1095                 }
1096
1097                 if (!hasLayout) {
1098                         cmd.errorMessage(string(N_("Layout ")) + cmd.argument +
1099                                 N_(" not known"));
1100                         break;
1101                 }
1102
1103                 bool change_layout = (current_layout != layout);
1104                 if (!change_layout && selection.set() &&
1105                         selection.start.par() != selection.end.par())
1106                 {
1107                         Paragraph * spar = selection.start.par();
1108                         Paragraph * epar = selection.end.par()->next();
1109                         while (spar != epar) {
1110                                 if (spar->layout()->name() != current_layout) {
1111                                         change_layout = true;
1112                                         break;
1113                                 }
1114                                 spar = spar->next();
1115                         }
1116                 }
1117                 if (change_layout) {
1118                         bv->hideCursor();
1119                         current_layout = layout;
1120                         update(bv, false);
1121                         setLayout(bv, layout);
1122                         bv->owner()->setLayout(layout);
1123                         update(bv);
1124                         bv->switchKeyMap();
1125                 }
1126                 break;
1127         }
1128
1129         case LFUN_PASTESELECTION: {
1130                 if (!bv->buffer())
1131                         break;
1132                 bv->hideCursor();
1133                 // this was originally a beforeChange(bv->text), i.e
1134                 // the outermost LyXText!
1135                 bv->beforeChange(this);
1136                 string const clip = bv->getClipboard();
1137                 if (!clip.empty()) {
1138                         if (cmd.argument == "paragraph")
1139                                 insertStringAsParagraphs(bv, clip);
1140                         else
1141                                 insertStringAsLines(bv, clip);
1142                         clearSelection();
1143                         update(bv);
1144                 }
1145                 break;
1146         }
1147
1148         case LFUN_GOTOERROR:
1149                 gotoInset(bv, Inset::ERROR_CODE, false);
1150                 break;
1151
1152         case LFUN_GOTONOTE:
1153                 gotoInset(bv, Inset::NOTE_CODE, false);
1154                 break;
1155
1156         case LFUN_REFERENCE_GOTO:
1157         {
1158                 vector<Inset::Code> tmp;
1159                 tmp.push_back(Inset::LABEL_CODE);
1160                 tmp.push_back(Inset::REF_CODE);
1161                 gotoInset(bv, tmp, true);
1162                 break;
1163         }
1164
1165         case LFUN_QUOTE: {
1166                 Paragraph const * par = cursor.par();
1167                 lyx::pos_type pos = cursor.pos();
1168                 char c;
1169                 if (!pos)
1170                         c = ' ';
1171                 else if (par->isInset(pos - 1) && par->getInset(pos - 1)->isSpace())
1172                         c = ' ';
1173                 else
1174                         c = par->getChar(pos - 1);
1175
1176                 bv->hideCursor();
1177                 LyXLayout_ptr const & style = par->layout();
1178
1179                 if (style->pass_thru ||
1180                                 par->getFontSettings(bv->buffer()->params,
1181                                          pos).language()->lang() == "hebrew" ||
1182                         (!bv->insertInset(new InsetQuotes(c, bv->buffer()->params))))
1183                         bv->owner()->dispatch(FuncRequest(LFUN_SELFINSERT, "\""));
1184                 break;
1185         }
1186
1187         case LFUN_DATE_INSERT: {
1188                 time_t now_time_t = time(NULL);
1189                 struct tm * now_tm = localtime(&now_time_t);
1190                 setlocale(LC_TIME, "");
1191                 string arg;
1192                 if (!cmd.argument.empty())
1193                         arg = cmd.argument;
1194                 else
1195                         arg = lyxrc.date_insert_format;
1196                 char datetmp[32];
1197                 int const datetmp_len =
1198                         ::strftime(datetmp, 32, arg.c_str(), now_tm);
1199
1200                 for (int i = 0; i < datetmp_len; i++) {
1201                         insertChar(bv, datetmp[i]);
1202                         update(bv, true);
1203                 }
1204                 selection.cursor = cursor;
1205                 moveCursorUpdate(bv, false);
1206                 break;
1207         }
1208
1209         case LFUN_MOUSE_TRIPLE:
1210                 if (!bv->buffer())
1211                         break;
1212                 if (bv_owner && bv->theLockingInset())
1213                         break;
1214                 if (cmd.button() == mouse_button::button1) {
1215                         if (bv_owner) {
1216                                 bv->screen().hideCursor();
1217                                 bv->screen().toggleSelection(this, bv);
1218                         }
1219                         cursorHome(bv);
1220                         selection.cursor = cursor;
1221                         cursorEnd(bv);
1222                         setSelection(bv);
1223                         if (bv_owner)
1224                                 bv->screen().toggleSelection(this, bv, false);
1225                         update(bv, false);
1226                         bv->haveSelection(selection.set());
1227                 }
1228                 break;
1229
1230         case LFUN_MOUSE_DOUBLE:
1231                 if (!bv->buffer())
1232                         break;
1233                 if (bv_owner && bv->theLockingInset())
1234                         break;
1235                 if (cmd.button() == mouse_button::button1) {
1236                         if (bv_owner) {
1237                                 bv->screen().hideCursor();
1238                                 bv->screen().toggleSelection(this, bv);
1239                                 selectWord(bv, LyXText::WHOLE_WORD_STRICT);
1240                                 bv->screen().toggleSelection(this, bv, false);
1241                         } else {
1242                                 selectWord(bv, LyXText::WHOLE_WORD_STRICT);
1243                         }
1244                         update(bv, false);
1245                         bv->haveSelection(selection.set());
1246                 }
1247                 break;
1248
1249         case LFUN_MOUSE_MOTION:
1250         {
1251                 // Only use motion with button 1
1252                 //if (ev.button() != mouse_button::button1)
1253                 //      return false;
1254
1255                 if (!bv->buffer())
1256                         break;
1257
1258                 // Check for inset locking
1259                 if (bv->theLockingInset()) {
1260                         Inset * tli = bv->theLockingInset();
1261                         LyXCursor cursor = bv->text->cursor;
1262                         LyXFont font = bv->text->getFont(bv->buffer(),
1263                                                                 cursor.par(), cursor.pos());
1264                         int width = tli->width(bv, font);
1265                         int inset_x = font.isVisibleRightToLeft()
1266                                 ? cursor.ix() - width : cursor.ix();
1267                         int start_x = inset_x + tli->scroll();
1268                         FuncRequest cmd1 = cmd;
1269                         cmd1.x = cmd.x - start_x;
1270                         cmd1.y = cmd.y - cursor.iy() + bv->text->first_y;
1271                         tli->localDispatch(cmd1);
1272                         break;
1273                 }
1274
1275                 // The test for not selection possible is needed, that only motion
1276                 // events are used, where the bottom press event was on
1277                 //  the drawing area too
1278                 if (!selection_possible) {
1279                         lyxerr[Debug::ACTION]
1280                                 << "BufferView::Pimpl::Dispatch: no selection possible\n";
1281                         break;
1282                 }
1283
1284                 bv->screen().hideCursor();
1285
1286                 Row * cursorrow = bv->text->cursor.row();
1287                 bv->text->setCursorFromCoordinates(bv, cmd.x, cmd.y + bv->text->first_y);
1288         #if 0
1289                 // sorry for this but I have a strange error that the y value jumps at
1290                 // a certain point. This seems like an error in my xforms library or
1291                 // in some other local environment, but I would like to leave this here
1292                 // for the moment until I can remove this (Jug 20020418)
1293                 if (y_before < bv->text->cursor.y())
1294                         lyxerr << y_before << ':'
1295                                << bv->text->cursor.y() << endl;
1296         #endif
1297                 // This is to allow jumping over large insets
1298                 if (cursorrow == bv->text->cursor.row()) {
1299                         if (cmd.y >= int(bv->workHeight()))
1300                                 bv->text->cursorDown(bv, false);
1301                         else if (cmd.y < 0)
1302                                 bv->text->cursorUp(bv, false);
1303                 }
1304
1305                 // Maybe an empty line was deleted
1306                 if (!bv->text->selection.set())
1307                         bv->update(bv->text, BufferView::UPDATE);
1308                 bv->text->setSelection(bv);
1309                 bv->screen().toggleToggle(bv->text, bv);
1310                 bv->fitCursor();
1311                 bv->showCursor();
1312                 break;
1313         }
1314
1315         // Single-click on work area
1316         case LFUN_MOUSE_PRESS:
1317         {
1318                 if (!bv->buffer())
1319                         break;
1320
1321                 // ok ok, this is a hack (for xforms)
1322                 // We shouldn't go further down as we really should only do the
1323                 // scrolling and be done with this. Otherwise we may open some
1324                 // dialogs (Jug 20020424).
1325                 if (cmd.button() == mouse_button::button4) {
1326                         bv->scroll(-lyxrc.wheel_jump);
1327                         break;
1328                 }
1329                 if (cmd.button() == mouse_button::button5) {
1330                         bv->scroll(lyxrc.wheel_jump);
1331                         break;
1332                 }
1333
1334                 int x = cmd.x;
1335                 int y = cmd.y;
1336                 Inset * inset_hit = bv->text->checkInsetHit(bv, x, y);
1337
1338                 // Middle button press pastes if we have a selection
1339                 // We do this here as if the selection was inside an inset
1340                 // it could get cleared on the unlocking of the inset so
1341                 // we have to check this first
1342                 bool paste_internally = false;
1343                 if (cmd.button() == mouse_button::button2 && selection.set()) {
1344                         bv->owner()->dispatch(FuncRequest(LFUN_COPY));
1345                         paste_internally = true;
1346                 }
1347
1348                 int const screen_first = bv->text->first_y;
1349
1350                 if (bv->theLockingInset()) {
1351                         // We are in inset locking mode
1352
1353                         // Check whether the inset was hit. If not reset mode,
1354                         // otherwise give the event to the inset
1355                         if (inset_hit == bv->theLockingInset()) {
1356                                 FuncRequest cmd1(bv, LFUN_MOUSE_PRESS, x, y, cmd.button());
1357                                 bv->theLockingInset()->localDispatch(cmd1);
1358                                 break;
1359                         }
1360                         bv->unlockInset(bv->theLockingInset());
1361                 }
1362
1363                 if (!inset_hit)
1364                         selection_possible = true;
1365                 bv->screen().hideCursor();
1366
1367                 // Clear the selection
1368                 bv->screen().toggleSelection(bv->text, bv);
1369                 bv->text->clearSelection();
1370                 bv->text->fullRebreak(bv);
1371                 bv->update();
1372                 bv->updateScrollbar();
1373
1374                 // Single left click in math inset?
1375                 if (isHighlyEditableInset(inset_hit)) {
1376                         // Highly editable inset, like math
1377                         UpdatableInset * inset = static_cast<UpdatableInset *>(inset_hit);
1378                         selection_possible = false;
1379                         bv->owner()->updateLayoutChoice();
1380                         bv->owner()->message(inset->editMessage());
1381                         //inset->edit(bv, x, y, cmd.button());
1382                         // We just have to lock the inset before calling a PressEvent on it!
1383                         // we don't need the edit() call here! (Jug20020329)
1384                         if (!bv->lockInset(inset))
1385                                 lyxerr[Debug::INSETS] << "Cannot lock inset" << endl;
1386                         FuncRequest cmd1(bv, LFUN_MOUSE_PRESS, x, y, cmd.button());
1387                         inset->localDispatch(cmd1);
1388                         break;
1389                 }
1390                 // I'm not sure we should continue here if we hit an inset (Jug20020403)
1391
1392                 // Right click on a footnote flag opens float menu
1393                 if (cmd.button() == mouse_button::button3) {
1394                         selection_possible = false;
1395                         break;
1396                 }
1397
1398                 if (!inset_hit) // otherwise it was already set in checkInsetHit(...)
1399                         bv->text->setCursorFromCoordinates(bv, x, y + screen_first);
1400                 finishUndo();
1401                 bv->text->selection.cursor = bv->text->cursor;
1402                 bv->text->cursor.x_fix(bv->text->cursor.x());
1403
1404                 bv->owner()->updateLayoutChoice();
1405                 if (bv->fitCursor())
1406                         selection_possible = false;
1407
1408                 // Insert primary selection with middle mouse
1409                 // if there is a local selection in the current buffer,
1410                 // insert this
1411                 if (cmd.button() == mouse_button::button2) {
1412                         if (paste_internally)
1413                                 bv->owner()->dispatch(FuncRequest(LFUN_PASTE));
1414                         else
1415                                 bv->owner()->dispatch(FuncRequest(LFUN_PASTESELECTION, "paragraph"));
1416                         selection_possible = false;
1417                 }
1418                 break;
1419         }
1420
1421         case LFUN_MOUSE_RELEASE:
1422         {
1423                 // do nothing if we used the mouse wheel
1424                 if (!bv->buffer())
1425                         break;
1426
1427                 if (cmd.button() == mouse_button::button4
1428                  || cmd.button() == mouse_button::button5)
1429                         break;
1430
1431                 // If we hit an inset, we have the inset coordinates in these
1432                 // and inset_hit points to the inset.  If we do not hit an
1433                 // inset, inset_hit is 0, and inset_x == x, inset_y == y.
1434                 int x = cmd.x;
1435                 int y = cmd.y;
1436                 Inset * inset_hit = bv->text->checkInsetHit(bv, x, y);
1437
1438                 if (bv->theLockingInset()) {
1439                         // We are in inset locking mode.
1440
1441                         // LyX does a kind of work-area grabbing for insets.
1442                         // Only a ButtonPress FuncRequest outside the inset will
1443                         // force a insetUnlock.
1444                         FuncRequest cmd1(bv, LFUN_MOUSE_RELEASE, x, y, cmd.button());
1445                         bv->theLockingInset()->localDispatch(cmd1);
1446                         break;
1447                 }
1448
1449                 selection_possible = false;
1450
1451                 if (cmd.button() == mouse_button::button2)
1452                         break;
1453
1454                 // finish selection
1455                 if (cmd.button() == mouse_button::button1)
1456                         bv->haveSelection(selection.set());
1457
1458                 bv->switchKeyMap();
1459                 bv->owner()->view_state_changed();
1460                 bv->owner()->updateMenubar();
1461                 bv->owner()->updateToolbar();
1462
1463                 // Did we hit an editable inset?
1464                 if (inset_hit) {
1465                         selection_possible = false;
1466
1467                         // if we reach this point with a selection, it
1468                         // must mean we are currently selecting.
1469                         // But we don't want to open the inset
1470                         // because that is annoying for the user.
1471                         // So just pretend we didn't hit it.
1472                         // this is OK because a "kosher" ButtonRelease
1473                         // will follow a ButtonPress that clears
1474                         // the selection.
1475                         // Note this also fixes selection drawing
1476                         // problems if we end up opening an inset
1477                         if (selection.set())
1478                                 break;
1479
1480                         // CHECK fix this proper in 0.13
1481                         // well, maybe 13.0 !!!!!!!!!
1482
1483                         // Following a ref shouldn't issue
1484                         // a push on the undo-stack
1485                         // anylonger, now that we have
1486                         // keybindings for following
1487                         // references and returning from
1488                         // references.  IMHO though, it
1489                         // should be the inset's own business
1490                         // to push or not push on the undo
1491                         // stack. They don't *have* to
1492                         // alter the document...
1493                         // (Joacim)
1494                         // ...or maybe the SetCursorParUndo()
1495                         // below isn't necessary at all anylonger?
1496                         if (inset_hit->lyxCode() == Inset::REF_CODE)
1497                                 setCursorParUndo(bv);
1498
1499                         bv->owner()->message(inset_hit->editMessage());
1500
1501                         if (isHighlyEditableInset(inset_hit)) {
1502                                 // Highly editable inset, like math
1503                                 UpdatableInset * inset = (UpdatableInset *) inset_hit;
1504                                 FuncRequest cmd1(bv, LFUN_MOUSE_RELEASE, x, y, cmd.button());
1505                                 inset->localDispatch(cmd1);
1506                         } else {
1507                                 FuncRequest cmd1(bv, LFUN_MOUSE_RELEASE, x, y, cmd.button());
1508                                 inset_hit->localDispatch(cmd1);
1509                                 // IMO this is a grosshack! Inset's should be changed so that
1510                                 // they call the actions they have to do with the insetButtonRel.
1511                                 // function and not in the edit(). This should be changed
1512                                 // (Jug 20020329)
1513 #ifdef WITH_WARNINGS
1514 #warning Please remove donot call inset->edit() here (Jug 20020812)
1515 #endif
1516                                 inset_hit->edit(bv, x, y, cmd.button());
1517                         }
1518                         break;
1519                 }
1520
1521                 // Maybe we want to edit a bibitem ale970302
1522                 if (bv->text->cursor.par()->bibkey) {
1523                         bool const is_rtl =
1524                                 bv->text->cursor.par()->isRightToLeftPar(bv->buffer()->params);
1525                         int const width =
1526                                 bibitemMaxWidth(bv, bv->buffer()->params.getLyXTextClass().defaultfont());
1527                         if ((is_rtl && x > bv->text->workWidth(bv)-20-width) ||
1528                                         (!is_rtl && x < 20 + width)) {
1529                                 bv->text->cursor.par()->bibkey->edit(bv, 0, 0, mouse_button::none);
1530                         }
1531                 }
1532                 break;
1533         }
1534
1535         case LFUN_SELFINSERT: {
1536                 if (cmd.argument.empty())
1537                         break;
1538
1539                 // Automatically delete the currently selected
1540                 // text and replace it with what is being
1541                 // typed in now. Depends on lyxrc settings
1542                 // "auto_region_delete", which defaults to
1543                 // true (on).
1544
1545                 if (lyxrc.auto_region_delete) {
1546                         if (selection.set()) {
1547                                 cutSelection(bv, false, false);
1548                                 update(bv);
1549                         }
1550                         bv->haveSelection(false);
1551                 }
1552
1553                 bv->beforeChange(this);
1554                 LyXFont const old_font(real_current_font);
1555
1556                 string::const_iterator cit = cmd.argument.begin();
1557                 string::const_iterator end = cmd.argument.end();
1558                 for (; cit != end; ++cit)
1559                         bv->owner()->getIntl().getTransManager().
1560                                 TranslateAndInsert(*cit, this);
1561
1562                 update(bv);
1563                 selection.cursor = cursor;
1564                 moveCursorUpdate(bv, false);
1565
1566                 // real_current_font.number can change so we need to
1567                 // update the minibuffer
1568                 if (old_font != real_current_font)
1569                         bv->owner()->view_state_changed();
1570                 break;
1571         }
1572
1573         case LFUN_HTMLURL: {
1574                 InsetCommandParams p("htmlurl");
1575                 bv->owner()->getDialogs().createUrl(p.getAsString());
1576                 break;
1577         }
1578
1579         case LFUN_URL: {
1580                 InsetCommandParams p("url");
1581                 bv->owner()->getDialogs().createUrl(p.getAsString());
1582                 break;
1583         }
1584
1585
1586 #if 0
1587         case LFUN_INSET_LIST:
1588         case LFUN_INSET_THEOREM:
1589 #endif
1590         case LFUN_INSERT_NOTE:
1591         case LFUN_INSERT_URL:
1592         case LFUN_INSET_CAPTION:
1593         case LFUN_INSET_ERT:
1594         case LFUN_INSET_EXTERNAL:
1595         case LFUN_INSET_FLOAT:
1596         case LFUN_INSET_FOOTNOTE:
1597         case LFUN_INSET_MARGINAL:
1598         case LFUN_INSET_MINIPAGE:
1599         case LFUN_INSET_OPTARG:
1600         case LFUN_INSET_WIDE_FLOAT:
1601         case LFUN_INSET_WRAP:
1602         case LFUN_TABULAR_INSERT:
1603         case LFUN_INDEX_INSERT:
1604         case LFUN_INDEX_PRINT:
1605         case LFUN_PARENTINSERT:
1606         case LFUN_TOC_INSERT:
1607         {
1608                 Inset * inset = createInset(cmd);
1609                 if (inset) {
1610                         bool gotsel = false;
1611                         if (selection.set()) {
1612                                 cutSelection(bv, true, false);
1613                                 gotsel = true;
1614                         }
1615                         if (bv->insertInset(inset)) {
1616                                 inset->edit(bv);
1617                                 if (gotsel)
1618                                         bv->owner()->dispatch(FuncRequest(LFUN_PASTESELECTION));
1619                         }
1620                         else
1621                                 delete inset;
1622                 }
1623                 break;
1624         }
1625
1626
1627         default:
1628                 return Inset::UNDISPATCHED;
1629         }
1630
1631         return Inset::DISPATCHED;
1632 }