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/insetquotes.h"
  35 #include "insets/insetcommand.h"
  36 #include "undo_funcs.h"
  37
  38 #include <ctime>
  39 #include <clocale>
  40
  41 using std::endl;
  42 using std::find;
  43 using std::vector;
  44
  45 extern string current_layout;
  46 extern int bibitemMaxWidth(BufferView *, LyXFont const &);
  47
  48 // the selection possible is needed, that only motion events are
  49 // used, where the bottom press event was on the drawing area too
  50 bool selection_possible = false;
  51
  52
  53 namespace {
  54
  55         void moveCursorUpdate(BufferView * bv, bool selecting)
  56         {
  57                 LyXText * lt = bv->getLyXText();
  58
  59                 if (selecting || lt->selection.mark()) {
  60                         lt->setSelection(bv);
  61                         if (lt->isTopLevel())
  62                                 bv->toggleToggle();
  63                         else
  64                                 bv->updateInset(lt->inset_owner, false);
  65                 }
  66                 if (lt->isTopLevel()) {
  67                         //if (fitcur)
  68                         //      bv->update(lt, BufferView::SELECT|BufferView::FITCUR);
  69                         //else
  70                         bv->update(lt, BufferView::SELECT|BufferView::FITCUR);
  71                         bv->showCursor();
  72                 } else if (bv->text->status() != LyXText::UNCHANGED) {
  73                         bv->theLockingInset()->hideInsetCursor(bv);
  74                         bv->update(bv->text, BufferView::SELECT|BufferView::FITCUR);
  75                         bv->showCursor();
  76                 }
  77
  78                 if (!lt->selection.set())
  79                         bv->haveSelection(false);
  80
  81                 bv->switchKeyMap();
  82         }
  83
  84
  85         void finishChange(BufferView * bv, bool selecting = false)
  86         {
  87                 finishUndo();
  88                 moveCursorUpdate(bv, selecting);
  89                 bv->owner()->view_state_changed();
  90         }
  91
  92         // check if the given co-ordinates are inside an inset at the
  93         // given cursor, if one exists. If so, the inset is returned,
  94         // and the co-ordinates are made relative. Otherwise, 0 is returned.
  95         Inset * checkInset(BufferView * bv, LyXText const & text,
  96                 LyXCursor const & cur, int & x, int & y)
  97         {
  98                 lyx::pos_type const pos = cur.pos();
  99                 Paragraph /*const*/ & par = *cur.par();
 100
 101                 if (pos >= par.size() || !par.isInset(pos))
 102                         return 0;
 103
 104                 Inset /*const*/ * inset = par.getInset(pos);
 105
 106                 if (!isEditableInset(inset))
 107                         return 0;
 108
 109                 // get inset dimensions
 110                 lyx::Assert(par.getInset(pos));
 111
 112                 LyXFont const & font = text.getFont(bv->buffer(), &par, pos);
 113
 114                 int const width = inset->width(bv, font);
 115                 int const inset_x = font.isVisibleRightToLeft()
 116                         ? (cur.ix() - width) : cur.ix();
 117
 118                 Box b(
 119                         inset_x + inset->scroll(),
 120                         inset_x + width,
 121                         cur.iy() - inset->ascent(bv, font),
 122                         cur.iy() + inset->descent(bv, font)
 123                 );
 124
 125                 if (!b.contained(x, y)) {
 126                         lyxerr[Debug::GUI] << "Missed inset at x,y "
 127                                            << x << ',' << y
 128                                            << " box " << b << endl;
 129                         return 0;
 130                 }
 131
 132                 text.setCursor(bv, &par, pos, true);
 133
 134                 x -= b.x1;
 135                 // The origin of an inset is on the baseline
 136                 y -= text.cursor.iy();
 137
 138                 return inset;
 139         }
 140
 141 } // anon namespace
 142
 143
 144 Inset * LyXText::checkInsetHit(BufferView * bv, int & x, int & y) const
 145 {
 146         int y_tmp = y + top_y();
 147
 148         LyXCursor cur;
 149         setCursorFromCoordinates(bv, cur, x, y_tmp);
 150
 151         Inset * inset = checkInset(bv, *this, cur, x, y_tmp);
 152         if (inset) {
 153                 y = y_tmp;
 154                 return inset;
 155         }
 156
 157         // look at previous position
 158         if (cur.pos() == 0)
 159                 return 0;
 160
 161         // move back one
 162         setCursor(bv, cur, cur.par(), cur.pos() - 1, true);
 163
 164         inset = checkInset(bv, *this, cur, x, y_tmp);
 165         if (inset)
 166                 y = y_tmp;
 167         return inset;
 168 }
 169
 170
 171 bool LyXText::gotoNextInset(BufferView * bv,
 172         vector<Inset::Code> const & codes, string const & contents) const
 173 {
 174         LyXCursor res = cursor;
 175         Inset * inset;
 176         do {
 177                 if (res.pos() < res.par()->size() - 1) {
 178                         res.pos(res.pos() + 1);
 179                 } else  {
 180                         res.par(res.par()->next());
 181                         res.pos(0);
 182                 }
 183
 184         } while (res.par() &&
 185                  !(res.par()->isInset(res.pos())
 186                    && (inset = res.par()->getInset(res.pos())) != 0
 187                    && find(codes.begin(), codes.end(), inset->lyxCode())
 188                    != codes.end()
 189                    && (contents.empty() ||
 190                        static_cast<InsetCommand *>(
 191                                                         res.par()->getInset(res.pos()))->getContents()
 192                        == contents)));
 193
 194         if (res.par()) {
 195                 setCursor(bv, res.par(), res.pos(), false);
 196                 return true;
 197         }
 198         return false;
 199 }
 200
 201
 202 void LyXText::gotoInset(BufferView * bv, vector<Inset::Code> const & codes,
 203                                   bool same_content)
 204 {
 205         bv->hideCursor();
 206         bv->beforeChange(this);
 207         update(bv, false);
 208
 209         string contents;
 210         if (same_content && cursor.par()->isInset(cursor.pos())) {
 211                 Inset const * inset = cursor.par()->getInset(cursor.pos());
 212                 if (find(codes.begin(), codes.end(), inset->lyxCode())
 213                     != codes.end())
 214                         contents = static_cast<InsetCommand const *>(inset)->getContents();
 215         }
 216
 217         if (!gotoNextInset(bv, codes, contents)) {
 218                 if (cursor.pos() || cursor.par() != ownerParagraph()) {
 219                         LyXCursor tmp = cursor;
 220                         cursor.par(ownerParagraph());
 221                         cursor.pos(0);
 222                         if (!gotoNextInset(bv, codes, contents)) {
 223                                 cursor = tmp;
 224                                 bv->owner()->message(_("No more insets"));
 225                         }
 226                 } else {
 227                         bv->owner()->message(_("No more insets"));
 228                 }
 229         }
 230         update(bv, false);
 231         selection.cursor = cursor;
 232 }
 233
 234
 235 void LyXText::gotoInset(BufferView * bv, Inset::Code code, bool same_content)
 236 {
 237         gotoInset(bv, vector<Inset::Code>(1, code), same_content);
 238 }
 239
 240
 241 void LyXText::cursorPrevious(BufferView * bv)
 242 {
 243         if (!cursor.row()->previous()) {
 244                 if (top_y() > 0) {
 245                         int new_y = top_y() - bv->workHeight();
 246                         bv->screen().draw(bv->text, bv, new_y < 0 ? 0 : new_y);
 247                         bv->updateScrollbar();
 248                 }
 249                 return;
 250         }
 251
 252         int y = top_y();
 253         Row * cursorrow = cursor.row();
 254
 255         setCursorFromCoordinates(bv, cursor.x_fix(), y);
 256         finishUndo();
 257
 258         int new_y;
 259         if (cursorrow == bv->text->cursor.row()) {
 260                 // we have a row which is taller than the workarea. The
 261                 // simplest solution is to move to the previous row instead.
 262                 cursorUp(bv, true);
 263                 return;
 264                 // This is what we used to do, so we wouldn't skip right past
 265                 // tall rows, but it's not working right now.
 266 #if 0
 267                 new_y = bv->text->top_y() - bv->workHeight();
 268 #endif
 269         } else {
 270                 if (inset_owner) {
 271                         new_y = bv->text->cursor.iy()
 272                                 + bv->theLockingInset()->insetInInsetY() + y
 273                                 + cursor.row()->height()
 274                                 - bv->workHeight() + 1;
 275                 } else {
 276                         new_y = cursor.y()
 277                                 - cursor.row()->baseline()
 278                                 + cursor.row()->height()
 279                                 - bv->workHeight() + 1;
 280                 }
 281         }
 282         bv->screen().draw(bv->text, bv, new_y < 0 ? 0 : new_y);
 283         if (cursor.row()->previous()) {
 284                 LyXCursor cur;
 285                 setCursor(bv, cur, cursor.row()->previous()->par(),
 286                                                 cursor.row()->previous()->pos(), false);
 287                 if (cur.y() > top_y()) {
 288                         cursorUp(bv, true);
 289                 }
 290         }
 291         bv->updateScrollbar();
 292 }
 293
 294
 295 void LyXText::cursorNext(BufferView * bv)
 296 {
 297         if (!cursor.row()->next()) {
 298                 int y = cursor.y() - cursor.row()->baseline() +
 299                         cursor.row()->height();
 300                 if (y > top_y() + bv->workHeight()) {
 301                         bv->screen().draw(bv->text, bv, top_y() + bv->workHeight());
 302                         bv->updateScrollbar();
 303                 }
 304                 return;
 305         }
 306
 307         int y = top_y() + bv->workHeight();
 308         if (inset_owner && !top_y()) {
 309                 y -= (bv->text->cursor.iy()
 310                           - bv->text->top_y()
 311                           + bv->theLockingInset()->insetInInsetY());
 312         }
 313
 314         getRowNearY(y);
 315
 316         Row * cursorrow = cursor.row();
 317         setCursorFromCoordinates(bv, cursor.x_fix(), y);
 318         // + bv->workHeight());
 319         finishUndo();
 320
 321         int new_y;
 322         if (cursorrow == bv->text->cursor.row()) {
 323                 // we have a row which is taller than the workarea. The
 324                 // simplest solution is to move to the next row instead.
 325                 cursorDown(bv, true);
 326                 return;
 327                 // This is what we used to do, so we wouldn't skip right past
 328                 // tall rows, but it's not working right now.
 329 #if 0
 330                 new_y = bv->text->top_y() + bv->workHeight();
 331 #endif
 332         } else {
 333                 if (inset_owner) {
 334                         new_y = bv->text->cursor.iy()
 335                                 + bv->theLockingInset()->insetInInsetY()
 336                                 + y - cursor.row()->baseline();
 337                 } else {
 338                         new_y =  cursor.y() - cursor.row()->baseline();
 339                 }
 340         }
 341         bv->screen().draw(bv->text, bv, new_y);
 342         if (cursor.row()->next()) {
 343                 LyXCursor cur;
 344                 setCursor(bv, cur, cursor.row()->next()->par(),
 345                                                 cursor.row()->next()->pos(), false);
 346                 if (cur.y() < top_y() + bv->workHeight()) {
 347                         cursorDown(bv, true);
 348                 }
 349         }
 350         bv->updateScrollbar();
 351 }
 352
 353
 354 void LyXText::update(BufferView * bv, bool changed)
 355 {
 356         BufferView::UpdateCodes c = BufferView::SELECT | BufferView::FITCUR;
 357         if (changed)
 358                 bv->update(this, c | BufferView::CHANGE);
 359         else
 360                 bv->update(this, c);
 361 }
 362
 363 namespace {
 364
 365 void specialChar(LyXText * lt, BufferView * bv, InsetSpecialChar::Kind kind)
 366 {
 367         bv->hideCursor();
 368         lt->update(bv);
 369         InsetSpecialChar * new_inset = new InsetSpecialChar(kind);
 370         if (!bv->insertInset(new_inset))
 371                 delete new_inset;
 372         else
 373                 bv->updateInset(new_inset, true);
 374 }
 375
 376
 377 void doInsertInset(LyXText * lt, FuncRequest const & cmd,
 378                    bool edit, bool pastesel)
 379 {
 380         Inset * inset = createInset(cmd);
 381         BufferView * bv = cmd.view();
 382
 383         if (inset) {
 384                 bool gotsel = false;
 385                 if (lt->selection.set()) {
 386                         lt->cutSelection(bv, true, false);
 387                         gotsel = true;
 388                 }
 389                 if (bv->insertInset(inset)) {
 390                         if (edit)
 391                                 inset->edit(bv);
 392                         if (gotsel && pastesel)
 393                                 bv->owner()->dispatch(FuncRequest(LFUN_PASTESELECTION));
 394                 }
 395                 else
 396                         delete inset;
 397         }
 398 }
 399
 400 }
 401
 402 Inset::RESULT LyXText::dispatch(FuncRequest const & cmd)
 403 {
 404         lyxerr[Debug::ACTION] << "LyXFunc::dispatch: action[" << cmd.action
 405                               <<"] arg[" << cmd.argument << ']' << endl;
 406
 407         BufferView * bv = cmd.view();
 408
 409         switch (cmd.action) {
 410
 411         case LFUN_APPENDIX: {
 412                 Paragraph * par = cursor.par();
 413                 bool start = !par->params().startOfAppendix();
 414
 415                 // ensure that we have only one start_of_appendix in this document
 416                 Paragraph * tmp = ownerParagraph();
 417                 for (; tmp; tmp = tmp->next()) {
 418                         if (tmp->params().startOfAppendix()) {
 419                                 setUndo(bv, Undo::EDIT, tmp, tmp->next());
 420                                 tmp->params().startOfAppendix(false);
 421                                 break;
 422                         }
 423                 }
 424
 425                 setUndo(bv, Undo::EDIT, par, par->next());
 426                 par->params().startOfAppendix(start);
 427
 428                 // we can set the refreshing parameters now
 429                 status(cmd.view(), LyXText::NEED_MORE_REFRESH);
 430                 refresh_y = 0;
 431                 refresh_row = 0; // not needed for full update
 432                 updateCounters(cmd.view());
 433                 setCursor(cmd.view(), cursor.par(), cursor.pos());
 434                 update(bv);
 435                 break;
 436         }
 437
 438         case LFUN_DELETE_WORD_FORWARD:
 439                 bv->beforeChange(this);
 440                 update(bv, false);
 441                 deleteWordForward(bv);
 442                 update(bv);
 443                 finishChange(bv);
 444                 break;
 445
 446         case LFUN_DELETE_WORD_BACKWARD:
 447                 bv->beforeChange(this);
 448                 update(bv, false);
 449                 deleteWordBackward(bv);
 450                 update(bv, true);
 451                 finishChange(bv);
 452                 break;
 453
 454         case LFUN_DELETE_LINE_FORWARD:
 455                 bv->beforeChange(this);
 456                 update(bv, false);
 457                 deleteLineForward(bv);
 458                 update(bv);
 459                 finishChange(bv);
 460                 break;
 461
 462         case LFUN_SHIFT_TAB:
 463         case LFUN_TAB:
 464                 if (!selection.mark())
 465                         bv->beforeChange(this);
 466                 update(bv, false);
 467                 cursorTab(bv);
 468                 finishChange(bv);
 469                 break;
 470
 471         case LFUN_WORDRIGHT:
 472                 if (!selection.mark())
 473                         bv->beforeChange(this);
 474                 update(bv, false);
 475                 if (cursor.par()->isRightToLeftPar(bv->buffer()->params))
 476                         cursorLeftOneWord(bv);
 477                 else
 478                         cursorRightOneWord(bv);
 479                 finishChange(bv);
 480                 break;
 481
 482         case LFUN_WORDLEFT:
 483                 if (!selection.mark())
 484                         bv->beforeChange(this);
 485                 update(bv, false);
 486                 if (cursor.par()->isRightToLeftPar(bv->buffer()->params))
 487                         cursorRightOneWord(bv);
 488                 else
 489                         cursorLeftOneWord(bv);
 490                 finishChange(bv);
 491                 break;
 492
 493         case LFUN_BEGINNINGBUF:
 494                 if (!selection.mark())
 495                         bv->beforeChange(this);
 496                 update(bv, false);
 497                 cursorTop(bv);
 498                 finishChange(bv);
 499                 break;
 500
 501         case LFUN_ENDBUF:
 502                 if (selection.mark())
 503                         bv->beforeChange(this);
 504                 update(bv, false);
 505                 cursorBottom(bv);
 506                 finishChange(bv);
 507                 break;
 508
 509         case LFUN_RIGHTSEL:
 510                 update(bv, false);
 511                 if (cursor.par()->isRightToLeftPar(bv->buffer()->params))
 512                         cursorLeft(bv);
 513                 else
 514                         cursorRight(bv);
 515                 finishChange(bv, true);
 516                 break;
 517
 518         case LFUN_LEFTSEL:
 519                 update(bv, false);
 520                 if (cursor.par()->isRightToLeftPar(bv->buffer()->params))
 521                         cursorRight(bv);
 522                 else
 523                         cursorLeft(bv);
 524                 finishChange(bv, true);
 525                 break;
 526
 527         case LFUN_UPSEL:
 528                 update(bv, false);
 529                 cursorUp(bv, true);
 530                 finishChange(bv, true);
 531                 break;
 532
 533         case LFUN_DOWNSEL:
 534                 update(bv, false);
 535                 cursorDown(bv, true);
 536                 finishChange(bv, true);
 537                 break;
 538
 539         case LFUN_UP_PARAGRAPHSEL:
 540                 update(bv, false);
 541                 cursorUpParagraph(bv);
 542                 finishChange(bv, true);
 543                 break;
 544
 545         case LFUN_DOWN_PARAGRAPHSEL:
 546                 update(bv, false);
 547                 cursorDownParagraph(bv);
 548                 finishChange(bv, true);
 549                 break;
 550
 551         case LFUN_PRIORSEL:
 552                 update(bv, false);
 553                 cursorPrevious(bv);
 554                 finishChange(bv, true);
 555                 break;
 556
 557         case LFUN_NEXTSEL:
 558                 update(bv, false);
 559                 cursorNext(bv);
 560                 finishChange(bv, true);
 561                 break;
 562
 563         case LFUN_HOMESEL:
 564                 update(bv, false);
 565                 cursorHome(bv);
 566                 finishChange(bv, true);
 567                 break;
 568
 569         case LFUN_ENDSEL:
 570                 update(bv, false);
 571                 cursorEnd(bv);
 572                 finishChange(bv, true);
 573                 break;
 574
 575         case LFUN_WORDRIGHTSEL:
 576                 update(bv, false);
 577                 if (cursor.par()->isRightToLeftPar(bv->buffer()->params))
 578                         cursorLeftOneWord(bv);
 579                 else
 580                         cursorRightOneWord(bv);
 581                 finishChange(bv, true);
 582                 break;
 583
 584         case LFUN_WORDLEFTSEL:
 585                 update(bv, false);
 586                 if (cursor.par()->isRightToLeftPar(bv->buffer()->params))
 587                         cursorRightOneWord(bv);
 588                 else
 589                         cursorLeftOneWord(bv);
 590                 finishChange(bv, true);
 591                 break;
 592
 593         case LFUN_WORDSEL: {
 594                 update(bv, false);
 595                 LyXCursor cur1;
 596                 LyXCursor cur2;
 597                 getWord(cur1, cur2, WHOLE_WORD);
 598                 setCursor(bv, cur1.par(), cur1.pos());
 599                 bv->beforeChange(this);
 600                 setCursor(bv, cur2.par(), cur2.pos());
 601                 finishChange(bv, true);
 602                 break;
 603         }
 604
 605         case LFUN_RIGHT: {
 606                 bool is_rtl = cursor.par()->isRightToLeftPar(bv->buffer()->params);
 607                 if (!selection.mark())
 608                         bv->beforeChange(this);
 609                 update(bv, false);
 610                 if (is_rtl)
 611                         cursorLeft(bv, false);
 612                 if (cursor.pos() < cursor.par()->size()
 613                     && cursor.par()->isInset(cursor.pos())
 614                     && isHighlyEditableInset(cursor.par()->getInset(cursor.pos()))) {
 615                         Inset * tmpinset = cursor.par()->getInset(cursor.pos());
 616                         cmd.message(tmpinset->editMessage());
 617                         tmpinset->edit(bv, !is_rtl);
 618                         break;
 619                 }
 620                 if (!is_rtl)
 621                         cursorRight(bv, false);
 622                 finishChange(bv);
 623                 break;
 624         }
 625
 626         case LFUN_LEFT: {
 627                 // This is soooo ugly. Isn`t it possible to make
 628                 // it simpler? (Lgb)
 629                 bool const is_rtl = cursor.par()->isRightToLeftPar(bv->buffer()->params);
 630                 if (!selection.mark())
 631                         bv->beforeChange(this);
 632                 update(bv, false);
 633                 LyXCursor const cur = cursor;
 634                 if (!is_rtl)
 635                         cursorLeft(bv, false);
 636                 if ((is_rtl || cur != cursor) && // only if really moved!
 637                     cursor.pos() < cursor.par()->size() &&
 638                     cursor.par()->isInset(cursor.pos()) &&
 639                     isHighlyEditableInset(cursor.par()->getInset(cursor.pos()))) {
 640                         Inset * tmpinset = cursor.par()->getInset(cursor.pos());
 641                         cmd.message(tmpinset->editMessage());
 642                         tmpinset->edit(bv, is_rtl);
 643                         break;
 644                 }
 645                 if (is_rtl)
 646                         cursorRight(bv, false);
 647                 finishChange(bv);
 648                 break;
 649         }
 650
 651         case LFUN_UP:
 652                 if (!selection.mark())
 653                         bv->beforeChange(this);
 654                 bv->update(this, BufferView::UPDATE);
 655                 cursorUp(bv);
 656                 finishChange(bv);
 657                 break;
 658
 659         case LFUN_DOWN:
 660                 if (!selection.mark())
 661                         bv->beforeChange(this);
 662                 bv->update(this, BufferView::UPDATE);
 663                 cursorDown(bv);
 664                 finishChange(bv);
 665                 break;
 666
 667         case LFUN_UP_PARAGRAPH:
 668                 if (!selection.mark())
 669                         bv->beforeChange(this);
 670                 bv->update(this, BufferView::UPDATE);
 671                 cursorUpParagraph(bv);
 672                 finishChange(bv);
 673                 break;
 674
 675         case LFUN_DOWN_PARAGRAPH:
 676                 if (!selection.mark())
 677                         bv->beforeChange(this);
 678                 bv->update(this, BufferView::UPDATE);
 679                 cursorDownParagraph(bv);
 680                 finishChange(bv, false);
 681                 break;
 682
 683         case LFUN_PRIOR:
 684                 if (!selection.mark())
 685                         bv->beforeChange(this);
 686                 bv->update(this, BufferView::UPDATE);
 687                 cursorPrevious(bv);
 688                 finishChange(bv, false);
 689                 // was:
 690                 // finishUndo();
 691                 // moveCursorUpdate(bv, false, false);
 692                 // owner_->view_state_changed();
 693                 break;
 694
 695         case LFUN_NEXT:
 696                 if (!selection.mark())
 697                         bv->beforeChange(this);
 698                 bv->update(this, BufferView::UPDATE);
 699                 cursorNext(bv);
 700                 finishChange(bv, false);
 701                 break;
 702
 703         case LFUN_HOME:
 704                 if (!selection.mark())
 705                         bv->beforeChange(this);
 706                 update(bv);
 707                 cursorHome(bv);
 708                 finishChange(bv, false);
 709                 break;
 710
 711         case LFUN_END:
 712                 if (!selection.mark())
 713                         bv->beforeChange(this);
 714                 update(bv);
 715                 cursorEnd(bv);
 716                 finishChange(bv, false);
 717                 break;
 718
 719         case LFUN_BREAKLINE:
 720                 bv->beforeChange(this);
 721                 insertChar(bv, Paragraph::META_NEWLINE);
 722                 update(bv, true);
 723                 setCursor(bv, cursor.par(), cursor.pos());
 724                 moveCursorUpdate(bv, false);
 725                 break;
 726
 727         case LFUN_DELETE:
 728                 if (!selection.set()) {
 729                         Delete(bv);
 730                         selection.cursor = cursor;
 731                         update(bv);
 732                         // It is possible to make it a lot faster still
 733                         // just comment out the line below...
 734                         bv->showCursor();
 735                 } else {
 736                         update(bv, false);
 737                         cutSelection(bv, true);
 738                         update(bv);
 739                 }
 740                 moveCursorUpdate(bv, false);
 741                 bv->owner()->view_state_changed();
 742                 bv->switchKeyMap();
 743                 break;
 744
 745         case LFUN_DELETE_SKIP:
 746                 // Reverse the effect of LFUN_BREAKPARAGRAPH_SKIP.
 747                 if (!selection.set()) {
 748                         LyXCursor cur = cursor;
 749                         if (cur.pos() == cur.par()->size()) {
 750                                 cursorRight(bv);
 751                                 cur = cursor;
 752                                 if (cur.pos() == 0
 753                                     && !(cur.par()->params().spaceTop()
 754                                          == VSpace (VSpace::NONE))) {
 755                                         setParagraph(bv,
 756                                                  cur.par()->params().lineTop(),
 757                                                  cur.par()->params().lineBottom(),
 758                                                  cur.par()->params().pagebreakTop(),
 759                                                  cur.par()->params().pagebreakBottom(),
 760                                                  VSpace(VSpace::NONE),
 761                                                  cur.par()->params().spaceBottom(),
 762                                                  cur.par()->params().spacing(),
 763                                                  cur.par()->params().align(),
 764                                                  cur.par()->params().labelWidthString(), 0);
 765                                         cursorLeft(bv);
 766                                         update(bv);
 767                                 } else {
 768                                         cursorLeft(bv);
 769                                         Delete(bv);
 770                                         selection.cursor = cursor;
 771                                 }
 772                         } else {
 773                                 Delete(bv);
 774                                 selection.cursor = cursor;
 775                         }
 776                 } else {
 777                         update(bv, false);
 778                         cutSelection(bv, true);
 779                 }
 780                 update(bv);
 781                 break;
 782
 783
 784         case LFUN_BACKSPACE:
 785                 if (!selection.set()) {
 786                         if (bv->owner()->getIntl().getTransManager().backspace()) {
 787                                 backspace(bv);
 788                                 selection.cursor = cursor;
 789                                 update(bv);
 790                                 // It is possible to make it a lot faster still
 791                                 // just comment out the line below...
 792                                 bv->showCursor();
 793                         }
 794                 } else {
 795                         update(bv, false);
 796                         cutSelection(bv, true);
 797                         update(bv);
 798                 }
 799                 bv->owner()->view_state_changed();
 800                 bv->switchKeyMap();
 801                 break;
 802
 803         case LFUN_BACKSPACE_SKIP:
 804                 // Reverse the effect of LFUN_BREAKPARAGRAPH_SKIP.
 805                 if (!selection.set()) {
 806                         LyXCursor cur = cursor;
 807                         if (cur.pos() == 0
 808                             && !(cur.par()->params().spaceTop()
 809                                  == VSpace (VSpace::NONE))) {
 810                                 setParagraph(bv,
 811                                          cur.par()->params().lineTop(),
 812                                          cur.par()->params().lineBottom(),
 813                                          cur.par()->params().pagebreakTop(),
 814                                          cur.par()->params().pagebreakBottom(),
 815                                          VSpace(VSpace::NONE), cur.par()->params().spaceBottom(),
 816                                          cur.par()->params().spacing(),
 817                                          cur.par()->params().align(),
 818                                          cur.par()->params().labelWidthString(), 0);
 819                         } else {
 820                                 backspace(bv);
 821                                 selection.cursor = cur;
 822                         }
 823                 } else {
 824                         update(bv, false);
 825                         cutSelection(bv, true);
 826                 }
 827                 update(bv);
 828                 break;
 829
 830         case LFUN_BREAKPARAGRAPH:
 831                 bv->beforeChange(this);
 832                 breakParagraph(bv, bv->buffer()->paragraphs, 0);
 833                 update(bv);
 834                 selection.cursor = cursor;
 835                 bv->switchKeyMap();
 836                 bv->owner()->view_state_changed();
 837                 break;
 838
 839         case LFUN_BREAKPARAGRAPHKEEPLAYOUT:
 840                 bv->beforeChange(this);
 841                 breakParagraph(bv, bv->buffer()->paragraphs, 1);
 842                 update(bv);
 843                 selection.cursor = cursor;
 844                 bv->switchKeyMap();
 845                 bv->owner()->view_state_changed();
 846                 break;
 847
 848         case LFUN_BREAKPARAGRAPH_SKIP: {
 849                 // When at the beginning of a paragraph, remove
 850                 // indentation and add a "defskip" at the top.
 851                 // Otherwise, do the same as LFUN_BREAKPARAGRAPH.
 852                 LyXCursor cur = cursor;
 853                 bv->beforeChange(this);
 854                 if (cur.pos() == 0) {
 855                         if (cur.par()->params().spaceTop() == VSpace(VSpace::NONE)) {
 856                                 setParagraph(bv,
 857                                          cur.par()->params().lineTop(),
 858                                          cur.par()->params().lineBottom(),
 859                                          cur.par()->params().pagebreakTop(),
 860                                          cur.par()->params().pagebreakBottom(),
 861                                          VSpace(VSpace::DEFSKIP), cur.par()->params().spaceBottom(),
 862                                          cur.par()->params().spacing(),
 863                                          cur.par()->params().align(),
 864                                          cur.par()->params().labelWidthString(), 1);
 865                                 //update(bv);
 866                         }
 867                 }
 868                 else {
 869                         breakParagraph(bv, bv->buffer()->paragraphs, 0);
 870                         //update(bv);
 871                 }
 872                 update(bv);
 873                 selection.cursor = cur;
 874                 bv->switchKeyMap();
 875                 bv->owner()->view_state_changed();
 876                 break;
 877         }
 878
 879         case LFUN_PARAGRAPH_SPACING: {
 880                 Paragraph * par = cursor.par();
 881                 Spacing::Space cur_spacing = par->params().spacing().getSpace();
 882                 float cur_value = 1.0;
 883                 if (cur_spacing == Spacing::Other)
 884                         cur_value = par->params().spacing().getValue();
 885
 886                 istringstream is(cmd.argument.c_str());
 887                 string tmp;
 888                 is >> tmp;
 889                 Spacing::Space new_spacing = cur_spacing;
 890                 float new_value = cur_value;
 891                 if (tmp.empty()) {
 892                         lyxerr << "Missing argument to `paragraph-spacing'"
 893                                << endl;
 894                 } else if (tmp == "single") {
 895                         new_spacing = Spacing::Single;
 896                 } else if (tmp == "onehalf") {
 897                         new_spacing = Spacing::Onehalf;
 898                 } else if (tmp == "double") {
 899                         new_spacing = Spacing::Double;
 900                 } else if (tmp == "other") {
 901                         new_spacing = Spacing::Other;
 902                         float tmpval = 0.0;
 903                         is >> tmpval;
 904                         lyxerr << "new_value = " << tmpval << endl;
 905                         if (tmpval != 0.0)
 906                                 new_value = tmpval;
 907                 } else if (tmp == "default") {
 908                         new_spacing = Spacing::Default;
 909                 } else {
 910                         lyxerr << _("Unknown spacing argument: ")
 911                                << cmd.argument << endl;
 912                 }
 913                 if (cur_spacing != new_spacing || cur_value != new_value) {
 914                         par->params().spacing(Spacing(new_spacing, new_value));
 915                         redoParagraph(bv);
 916                         update(bv);
 917                 }
 918                 break;
 919         }
 920
 921         case LFUN_INSET_TOGGLE:
 922                 bv->hideCursor();
 923                 bv->beforeChange(this);
 924                 update(bv, false);
 925                 toggleInset(bv);
 926                 update(bv, false);
 927                 bv->switchKeyMap();
 928                 break;
 929
 930         case LFUN_PROTECTEDSPACE:
 931                 if (cursor.par()->layout()->free_spacing) {
 932                         insertChar(bv, ' ');
 933                         update(bv);
 934                 } else {
 935                         specialChar(this, bv, InsetSpecialChar::PROTECTED_SEPARATOR);
 936                 }
 937                 moveCursorUpdate(bv, false);
 938                 break;
 939
 940         case LFUN_HYPHENATION:
 941                 specialChar(this, bv, InsetSpecialChar::HYPHENATION);
 942                 break;
 943
 944         case LFUN_LIGATURE_BREAK:
 945                 specialChar(this, bv, InsetSpecialChar::LIGATURE_BREAK);
 946                 break;
 947
 948         case LFUN_LDOTS:
 949                 specialChar(this, bv, InsetSpecialChar::LDOTS);
 950                 break;
 951
 952         case LFUN_HFILL:
 953                 bv->hideCursor();
 954                 update(bv, false);
 955                 insertChar(bv, Paragraph::META_HFILL);
 956                 update(bv);
 957                 break;
 958
 959         case LFUN_END_OF_SENTENCE:
 960                 specialChar(this, bv, InsetSpecialChar::END_OF_SENTENCE);
 961                 break;
 962
 963         case LFUN_MENU_SEPARATOR:
 964                 specialChar(this, bv, InsetSpecialChar::MENU_SEPARATOR);
 965                 break;
 966
 967         case LFUN_MARK_OFF:
 968                 bv->beforeChange(this);
 969                 update(bv, false);
 970                 selection.cursor = cursor;
 971                 cmd.message(N_("Mark off"));
 972                 break;
 973
 974         case LFUN_MARK_ON:
 975                 bv->beforeChange(this);
 976                 selection.mark(true);
 977                 update(bv, false);
 978                 selection.cursor = cursor;
 979                 cmd.message(N_("Mark on"));
 980                 break;
 981
 982         case LFUN_SETMARK:
 983                 bv->beforeChange(this);
 984                 if (selection.mark()) {
 985                         update(bv);
 986                         cmd.message(N_("Mark removed"));
 987                 } else {
 988                         selection.mark(true);
 989                         update(bv);
 990                         cmd.message(N_("Mark set"));
 991                 }
 992                 selection.cursor = cursor;
 993                 break;
 994
 995         case LFUN_UPCASE_WORD:
 996                 update(bv, false);
 997                 changeCase(*bv, LyXText::text_uppercase);
 998                 if (inset_owner)
 999                         bv->updateInset(inset_owner, true);
1000                 update(bv);
1001                 break;
1002
1003         case LFUN_LOWCASE_WORD:
1004                 update(bv, false);
1005                 changeCase(*bv, LyXText::text_lowercase);
1006                 if (inset_owner)
1007                         bv->updateInset(inset_owner, true);
1008                 update(bv);
1009                 break;
1010
1011         case LFUN_CAPITALIZE_WORD:
1012                 update(bv, false);
1013                 changeCase(*bv, LyXText::text_capitalization);
1014                 if (inset_owner)
1015                         bv->updateInset(inset_owner, true);
1016                 update(bv);
1017                 break;
1018
1019         case LFUN_TRANSPOSE_CHARS:
1020                 update(bv, false);
1021                 transposeChars(*bv);
1022                 if (inset_owner)
1023                         bv->updateInset(inset_owner, true);
1024                 update(bv);
1025                 break;
1026
1027         case LFUN_PASTE:
1028                 cmd.message(_("Paste"));
1029                 bv->hideCursor();
1030                 // clear the selection
1031                 bv->toggleSelection();
1032                 clearSelection();
1033                 update(bv, false);
1034                 pasteSelection(bv);
1035                 clearSelection(); // bug 393
1036                 update(bv, false);
1037                 update(bv);
1038                 bv->switchKeyMap();
1039                 break;
1040
1041         case LFUN_CUT:
1042                 bv->hideCursor();
1043                 update(bv, false);
1044                 cutSelection(bv, true);
1045                 update(bv);
1046                 cmd.message(_("Cut"));
1047                 break;
1048
1049         case LFUN_COPY:
1050                 copySelection(bv);
1051                 cmd.message(_("Copy"));
1052                 break;
1053
1054         case LFUN_BEGINNINGBUFSEL:
1055                 if (inset_owner)
1056                         return UNDISPATCHED;
1057                 update(bv, false);
1058                 cursorTop(bv);
1059                 finishChange(bv, true);
1060                 break;
1061
1062         case LFUN_ENDBUFSEL:
1063                 if (inset_owner)
1064                         return UNDISPATCHED;
1065                 update(bv, false);
1066                 cursorBottom(bv);
1067                 finishChange(bv, true);
1068                 break;
1069
1070         case LFUN_GETXY:
1071                 cmd.message(tostr(cursor.x()) + ' ' + tostr(cursor.y()));
1072                 break;
1073
1074         case LFUN_SETXY: {
1075                 int x = 0;
1076                 int y = 0;
1077                 istringstream is(cmd.argument.c_str());
1078                 is >> x >> y;
1079                 if (!is)
1080                         lyxerr << "SETXY: Could not parse coordinates in '"
1081                                << cmd.argument << std::endl;
1082                 else
1083                         setCursorFromCoordinates(bv, x, y);
1084                 break;
1085         }
1086
1087         case LFUN_GETFONT:
1088                 if (current_font.shape() == LyXFont::ITALIC_SHAPE)
1089                         cmd.message("E");
1090                 else if (current_font.shape() == LyXFont::SMALLCAPS_SHAPE)
1091                         cmd.message("N");
1092                 else
1093                         cmd.message("0");
1094                 break;
1095
1096         case LFUN_GETLAYOUT:
1097                 cmd.message(tostr(cursor.par()->layout()));
1098                 break;
1099
1100         case LFUN_LAYOUT: {
1101                 lyxerr[Debug::INFO] << "LFUN_LAYOUT: (arg) "
1102                   << cmd.argument << endl;
1103
1104                 // This is not the good solution to the empty argument
1105                 // problem, but it will hopefully suffice for 1.2.0.
1106                 // The correct solution would be to augument the
1107                 // function list/array with information about what
1108                 // functions needs arguments and their type.
1109                 if (cmd.argument.empty()) {
1110                         cmd.errorMessage(_("LyX function 'layout' needs an argument."));
1111                         break;
1112                 }
1113
1114                 // Derive layout number from given argument (string)
1115                 // and current buffer's textclass (number)
1116                 LyXTextClass const & tclass = bv->buffer()->params.getLyXTextClass();
1117                 bool hasLayout = tclass.hasLayout(cmd.argument);
1118                 string layout = cmd.argument;
1119
1120                 // If the entry is obsolete, use the new one instead.
1121                 if (hasLayout) {
1122                         string const & obs = tclass[layout]->obsoleted_by();
1123                         if (!obs.empty())
1124                                 layout = obs;
1125                 }
1126
1127                 if (!hasLayout) {
1128                         cmd.errorMessage(string(N_("Layout ")) + cmd.argument +
1129                                 N_(" not known"));
1130                         break;
1131                 }
1132
1133                 bool change_layout = (current_layout != layout);
1134                 if (!change_layout && selection.set() &&
1135                         selection.start.par() != selection.end.par())
1136                 {
1137                         Paragraph * spar = selection.start.par();
1138                         Paragraph * epar = selection.end.par()->next();
1139                         while (spar != epar) {
1140                                 if (spar->layout()->name() != current_layout) {
1141                                         change_layout = true;
1142                                         break;
1143                                 }
1144                                 spar = spar->next();
1145                         }
1146                 }
1147                 if (change_layout) {
1148                         bv->hideCursor();
1149                         current_layout = layout;
1150                         update(bv, false);
1151                         setLayout(bv, layout);
1152                         bv->owner()->setLayout(layout);
1153                         update(bv);
1154                         bv->switchKeyMap();
1155                 }
1156                 break;
1157         }
1158
1159         case LFUN_PASTESELECTION: {
1160                 if (!bv->buffer())
1161                         break;
1162                 bv->hideCursor();
1163                 // this was originally a beforeChange(bv->text), i.e
1164                 // the outermost LyXText!
1165                 bv->beforeChange(this);
1166                 string const clip = bv->getClipboard();
1167                 if (!clip.empty()) {
1168                         if (cmd.argument == "paragraph")
1169                                 insertStringAsParagraphs(bv, clip);
1170                         else
1171                                 insertStringAsLines(bv, clip);
1172                         clearSelection();
1173                         update(bv);
1174                 }
1175                 break;
1176         }
1177
1178         case LFUN_GOTOERROR:
1179                 gotoInset(bv, Inset::ERROR_CODE, false);
1180                 break;
1181
1182         case LFUN_GOTONOTE:
1183                 gotoInset(bv, Inset::NOTE_CODE, false);
1184                 break;
1185
1186         case LFUN_REFERENCE_GOTO:
1187         {
1188                 vector<Inset::Code> tmp;
1189                 tmp.push_back(Inset::LABEL_CODE);
1190                 tmp.push_back(Inset::REF_CODE);
1191                 gotoInset(bv, tmp, true);
1192                 break;
1193         }
1194
1195         case LFUN_QUOTE: {
1196                 Paragraph const * par = cursor.par();
1197                 lyx::pos_type pos = cursor.pos();
1198                 char c;
1199                 if (!pos)
1200                         c = ' ';
1201                 else if (par->isInset(pos - 1) && par->getInset(pos - 1)->isSpace())
1202                         c = ' ';
1203                 else
1204                         c = par->getChar(pos - 1);
1205
1206                 bv->hideCursor();
1207                 LyXLayout_ptr const & style = par->layout();
1208
1209                 if (style->pass_thru ||
1210                                 par->getFontSettings(bv->buffer()->params,
1211                                          pos).language()->lang() == "hebrew" ||
1212                         (!bv->insertInset(new InsetQuotes(c, bv->buffer()->params))))
1213                         bv->owner()->dispatch(FuncRequest(LFUN_SELFINSERT, "\""));
1214                 break;
1215         }
1216
1217         case LFUN_DATE_INSERT: {
1218                 time_t now_time_t = time(NULL);
1219                 struct tm * now_tm = localtime(&now_time_t);
1220                 setlocale(LC_TIME, "");
1221                 string arg;
1222                 if (!cmd.argument.empty())
1223                         arg = cmd.argument;
1224                 else
1225                         arg = lyxrc.date_insert_format;
1226                 char datetmp[32];
1227                 int const datetmp_len =
1228                         ::strftime(datetmp, 32, arg.c_str(), now_tm);
1229
1230                 for (int i = 0; i < datetmp_len; i++) {
1231                         insertChar(bv, datetmp[i]);
1232                         update(bv, true);
1233                 }
1234                 selection.cursor = cursor;
1235                 moveCursorUpdate(bv, false);
1236                 break;
1237         }
1238
1239         case LFUN_MOUSE_TRIPLE:
1240                 if (!bv->buffer())
1241                         break;
1242                 if (isTopLevel() && bv->theLockingInset())
1243                         break;
1244                 if (cmd.button() == mouse_button::button1) {
1245                         if (isTopLevel()) {
1246                                 bv->screen().hideCursor();
1247                                 bv->screen().toggleSelection(this, bv);
1248                         }
1249                         cursorHome(bv);
1250                         selection.cursor = cursor;
1251                         cursorEnd(bv);
1252                         setSelection(bv);
1253                         if (isTopLevel())
1254                                 bv->screen().toggleSelection(this, bv, false);
1255                         update(bv, false);
1256                         bv->haveSelection(selection.set());
1257                 }
1258                 break;
1259
1260         case LFUN_MOUSE_DOUBLE:
1261                 if (!bv->buffer())
1262                         break;
1263                 if (isTopLevel() && bv->theLockingInset())
1264                         break;
1265                 if (cmd.button() == mouse_button::button1) {
1266                         if (isTopLevel()) {
1267                                 bv->screen().hideCursor();
1268                                 bv->screen().toggleSelection(this, bv);
1269                                 selectWord(bv, LyXText::WHOLE_WORD_STRICT);
1270                                 bv->screen().toggleSelection(this, bv, false);
1271                         } else {
1272                                 selectWord(bv, LyXText::WHOLE_WORD_STRICT);
1273                         }
1274                         update(bv, false);
1275                         bv->haveSelection(selection.set());
1276                 }
1277                 break;
1278
1279         case LFUN_MOUSE_MOTION:
1280         {
1281                 // Only use motion with button 1
1282                 //if (ev.button() != mouse_button::button1)
1283                 //      return false;
1284
1285                 if (!bv->buffer())
1286                         break;
1287
1288                 // Check for inset locking
1289                 if (bv->theLockingInset()) {
1290                         Inset * tli = bv->theLockingInset();
1291                         LyXCursor cursor = bv->text->cursor;
1292                         LyXFont font = bv->text->getFont(bv->buffer(),
1293                                                                 cursor.par(), cursor.pos());
1294                         int width = tli->width(bv, font);
1295                         int inset_x = font.isVisibleRightToLeft()
1296                                 ? cursor.ix() - width : cursor.ix();
1297                         int start_x = inset_x + tli->scroll();
1298                         FuncRequest cmd1 = cmd;
1299                         cmd1.x = cmd.x - start_x;
1300                         cmd1.y = cmd.y - cursor.iy() + bv->text->top_y();
1301                         tli->localDispatch(cmd1);
1302                         break;
1303                 }
1304
1305                 // The test for not selection possible is needed, that only motion
1306                 // events are used, where the bottom press event was on
1307                 //  the drawing area too
1308                 if (!selection_possible) {
1309                         lyxerr[Debug::ACTION]
1310                                 << "BufferView::Pimpl::Dispatch: no selection possible\n";
1311                         break;
1312                 }
1313
1314                 bv->screen().hideCursor();
1315
1316                 Row * cursorrow = bv->text->cursor.row();
1317                 bv->text->setCursorFromCoordinates(bv, cmd.x, cmd.y + bv->text->top_y());
1318         #if 0
1319                 // sorry for this but I have a strange error that the y value jumps at
1320                 // a certain point. This seems like an error in my xforms library or
1321                 // in some other local environment, but I would like to leave this here
1322                 // for the moment until I can remove this (Jug 20020418)
1323                 if (y_before < bv->text->cursor.y())
1324                         lyxerr << y_before << ':'
1325                                << bv->text->cursor.y() << endl;
1326         #endif
1327                 // This is to allow jumping over large insets
1328                 if (cursorrow == bv->text->cursor.row()) {
1329                         if (cmd.y >= bv->workHeight())
1330                                 bv->text->cursorDown(bv, false);
1331                         else if (cmd.y < 0)
1332                                 bv->text->cursorUp(bv, false);
1333                 }
1334
1335                 // Maybe an empty line was deleted
1336                 if (!bv->text->selection.set())
1337                         bv->update(bv->text, BufferView::UPDATE);
1338                 bv->text->setSelection(bv);
1339                 bv->screen().toggleToggle(bv->text, bv);
1340                 bv->fitCursor();
1341                 bv->showCursor();
1342                 break;
1343         }
1344
1345         // Single-click on work area
1346         case LFUN_MOUSE_PRESS:
1347         {
1348                 if (!bv->buffer())
1349                         break;
1350
1351                 // ok ok, this is a hack (for xforms)
1352                 // We shouldn't go further down as we really should only do the
1353                 // scrolling and be done with this. Otherwise we may open some
1354                 // dialogs (Jug 20020424).
1355                 if (cmd.button() == mouse_button::button4) {
1356                         bv->scroll(-lyxrc.wheel_jump);
1357                         break;
1358                 }
1359                 if (cmd.button() == mouse_button::button5) {
1360                         bv->scroll(lyxrc.wheel_jump);
1361                         break;
1362                 }
1363
1364                 int x = cmd.x;
1365                 int y = cmd.y;
1366                 Inset * inset_hit = bv->text->checkInsetHit(bv, x, y);
1367
1368                 // Middle button press pastes if we have a selection
1369                 // We do this here as if the selection was inside an inset
1370                 // it could get cleared on the unlocking of the inset so
1371                 // we have to check this first
1372                 bool paste_internally = false;
1373                 if (cmd.button() == mouse_button::button2 && selection.set()) {
1374                         bv->owner()->dispatch(FuncRequest(LFUN_COPY));
1375                         paste_internally = true;
1376                 }
1377
1378                 int const screen_first = bv->text->top_y();
1379
1380                 if (bv->theLockingInset()) {
1381                         // We are in inset locking mode
1382
1383                         // Check whether the inset was hit. If not reset mode,
1384                         // otherwise give the event to the inset
1385                         if (inset_hit == bv->theLockingInset()) {
1386                                 FuncRequest cmd1(bv, LFUN_MOUSE_PRESS, x, y, cmd.button());
1387                                 bv->theLockingInset()->localDispatch(cmd1);
1388                                 break;
1389                         }
1390                         bv->unlockInset(bv->theLockingInset());
1391                 }
1392
1393                 if (!inset_hit)
1394                         selection_possible = true;
1395                 bv->screen().hideCursor();
1396
1397                 // Clear the selection
1398                 bv->screen().toggleSelection(bv->text, bv);
1399                 bv->text->clearSelection();
1400                 bv->text->fullRebreak(bv);
1401                 bv->update();
1402                 bv->updateScrollbar();
1403
1404                 // Single left click in math inset?
1405                 if (isHighlyEditableInset(inset_hit)) {
1406                         // Highly editable inset, like math
1407                         UpdatableInset * inset = static_cast<UpdatableInset *>(inset_hit);
1408                         selection_possible = false;
1409                         bv->owner()->updateLayoutChoice();
1410                         bv->owner()->message(inset->editMessage());
1411                         //inset->edit(bv, x, y, cmd.button());
1412                         // We just have to lock the inset before calling a PressEvent on it!
1413                         // we don't need the edit() call here! (Jug20020329)
1414                         if (!bv->lockInset(inset))
1415                                 lyxerr[Debug::INSETS] << "Cannot lock inset" << endl;
1416                         FuncRequest cmd1(bv, LFUN_MOUSE_PRESS, x, y, cmd.button());
1417                         inset->localDispatch(cmd1);
1418                         break;
1419                 }
1420                 // I'm not sure we should continue here if we hit an inset (Jug20020403)
1421
1422                 // Right click on a footnote flag opens float menu
1423                 if (cmd.button() == mouse_button::button3) {
1424                         selection_possible = false;
1425                         break;
1426                 }
1427
1428                 if (!inset_hit) // otherwise it was already set in checkInsetHit(...)
1429                         bv->text->setCursorFromCoordinates(bv, x, y + screen_first);
1430                 finishUndo();
1431                 bv->text->selection.cursor = bv->text->cursor;
1432                 bv->text->cursor.x_fix(bv->text->cursor.x());
1433
1434                 bv->owner()->updateLayoutChoice();
1435                 if (bv->fitCursor())
1436                         selection_possible = false;
1437
1438                 // Insert primary selection with middle mouse
1439                 // if there is a local selection in the current buffer,
1440                 // insert this
1441                 if (cmd.button() == mouse_button::button2) {
1442                         if (paste_internally)
1443                                 bv->owner()->dispatch(FuncRequest(LFUN_PASTE));
1444                         else
1445                                 bv->owner()->dispatch(FuncRequest(LFUN_PASTESELECTION, "paragraph"));
1446                         selection_possible = false;
1447                 }
1448                 break;
1449         }
1450
1451         case LFUN_MOUSE_RELEASE:
1452         {
1453                 // do nothing if we used the mouse wheel
1454                 if (!bv->buffer())
1455                         break;
1456
1457                 if (cmd.button() == mouse_button::button4
1458                  || cmd.button() == mouse_button::button5)
1459                         break;
1460
1461                 // If we hit an inset, we have the inset coordinates in these
1462                 // and inset_hit points to the inset.  If we do not hit an
1463                 // inset, inset_hit is 0, and inset_x == x, inset_y == y.
1464                 int x = cmd.x;
1465                 int y = cmd.y;
1466                 Inset * inset_hit = bv->text->checkInsetHit(bv, x, y);
1467
1468                 if (bv->theLockingInset()) {
1469                         // We are in inset locking mode.
1470
1471                         // LyX does a kind of work-area grabbing for insets.
1472                         // Only a ButtonPress FuncRequest outside the inset will
1473                         // force a insetUnlock.
1474                         FuncRequest cmd1(bv, LFUN_MOUSE_RELEASE, x, y, cmd.button());
1475                         bv->theLockingInset()->localDispatch(cmd1);
1476                         break;
1477                 }
1478
1479                 selection_possible = false;
1480
1481                 if (cmd.button() == mouse_button::button2)
1482                         break;
1483
1484                 // finish selection
1485                 if (cmd.button() == mouse_button::button1)
1486                         bv->haveSelection(selection.set());
1487
1488                 bv->switchKeyMap();
1489                 bv->owner()->view_state_changed();
1490                 bv->owner()->updateMenubar();
1491                 bv->owner()->updateToolbar();
1492
1493                 // Did we hit an editable inset?
1494                 if (inset_hit) {
1495                         selection_possible = false;
1496
1497                         // if we reach this point with a selection, it
1498                         // must mean we are currently selecting.
1499                         // But we don't want to open the inset
1500                         // because that is annoying for the user.
1501                         // So just pretend we didn't hit it.
1502                         // this is OK because a "kosher" ButtonRelease
1503                         // will follow a ButtonPress that clears
1504                         // the selection.
1505                         // Note this also fixes selection drawing
1506                         // problems if we end up opening an inset
1507                         if (selection.set())
1508                                 break;
1509
1510                         // CHECK fix this proper in 0.13
1511                         // well, maybe 13.0 !!!!!!!!!
1512
1513                         // Following a ref shouldn't issue
1514                         // a push on the undo-stack
1515                         // anylonger, now that we have
1516                         // keybindings for following
1517                         // references and returning from
1518                         // references.  IMHO though, it
1519                         // should be the inset's own business
1520                         // to push or not push on the undo
1521                         // stack. They don't *have* to
1522                         // alter the document...
1523                         // (Joacim)
1524                         // ...or maybe the SetCursorParUndo()
1525                         // below isn't necessary at all anylonger?
1526                         if (inset_hit->lyxCode() == Inset::REF_CODE)
1527                                 setCursorParUndo(bv);
1528
1529                         bv->owner()->message(inset_hit->editMessage());
1530
1531                         if (isHighlyEditableInset(inset_hit)) {
1532                                 // Highly editable inset, like math
1533                                 UpdatableInset * inset = (UpdatableInset *) inset_hit;
1534                                 FuncRequest cmd1(bv, LFUN_MOUSE_RELEASE, x, y, cmd.button());
1535                                 inset->localDispatch(cmd1);
1536                         } else {
1537                                 FuncRequest cmd1(bv, LFUN_MOUSE_RELEASE, x, y, cmd.button());
1538                                 inset_hit->localDispatch(cmd1);
1539                                 // IMO this is a gross hack! Insets should be changed so that
1540                                 // they call the actions they have to do with the insetButtonRel.
1541                                 // function and not in the edit(). This should be changed
1542                                 // (Jug 20020329)
1543 #ifdef WITH_WARNINGS
1544 #warning Please remove donot call inset->edit() here (Jug 20020812)
1545 #endif
1546                                 inset_hit->edit(bv, x, y, cmd.button());
1547                         }
1548                         break;
1549                 }
1550
1551                 break;
1552         }
1553
1554         case LFUN_SELFINSERT: {
1555                 if (cmd.argument.empty())
1556                         break;
1557
1558                 // Automatically delete the currently selected
1559                 // text and replace it with what is being
1560                 // typed in now. Depends on lyxrc settings
1561                 // "auto_region_delete", which defaults to
1562                 // true (on).
1563
1564                 if (lyxrc.auto_region_delete) {
1565                         if (selection.set()) {
1566                                 cutSelection(bv, false, false);
1567                                 update(bv);
1568                         }
1569                         bv->haveSelection(false);
1570                 }
1571
1572                 bv->beforeChange(this);
1573                 LyXFont const old_font(real_current_font);
1574
1575                 string::const_iterator cit = cmd.argument.begin();
1576                 string::const_iterator end = cmd.argument.end();
1577                 for (; cit != end; ++cit)
1578                         bv->owner()->getIntl().getTransManager().
1579                                 TranslateAndInsert(*cit, this);
1580
1581                 update(bv);
1582                 selection.cursor = cursor;
1583                 moveCursorUpdate(bv, false);
1584
1585                 // real_current_font.number can change so we need to
1586                 // update the minibuffer
1587                 if (old_font != real_current_font)
1588                         bv->owner()->view_state_changed();
1589                 break;
1590         }
1591
1592         case LFUN_HTMLURL: {
1593                 InsetCommandParams p("htmlurl");
1594                 string const data = InsetCommandMailer::params2string("url", p);
1595                 bv->owner()->getDialogs().show("url", data, 0);
1596                 break;
1597         }
1598
1599         case LFUN_URL: {
1600                 InsetCommandParams p("url");
1601                 string const data = InsetCommandMailer::params2string("url", p);
1602                 bv->owner()->getDialogs().show("url", data, 0);
1603                 break;
1604         }
1605
1606
1607 #if 0
1608         case LFUN_INSET_LIST:
1609         case LFUN_INSET_THEOREM:
1610         case LFUN_INSET_CAPTION:
1611 #endif
1612         case LFUN_INSERT_NOTE:
1613         case LFUN_INSERT_BIBITEM:
1614         case LFUN_INSET_ERT:
1615         case LFUN_INSET_FLOAT:
1616         case LFUN_INSET_FOOTNOTE:
1617         case LFUN_INSET_MARGINAL:
1618         case LFUN_INSET_MINIPAGE:
1619         case LFUN_INSET_OPTARG:
1620         case LFUN_INSET_WIDE_FLOAT:
1621         case LFUN_INSET_WRAP:
1622         case LFUN_TABULAR_INSERT:
1623                 // Open the inset, and move the current selection
1624                 // inside it.
1625                 doInsertInset(this, cmd, true, true);
1626                 break;
1627
1628         case LFUN_INDEX_INSERT:
1629                 // Just open the inset
1630                 doInsertInset(this, cmd, true, false);
1631                 break;
1632
1633         case LFUN_INDEX_PRINT:
1634         case LFUN_PARENTINSERT:
1635         case LFUN_TOC_INSERT:
1636                 // do nothing fancy
1637                 doInsertInset(this, cmd, false, false);
1638                 break;
1639
1640         default:
1641                 return UNDISPATCHED;
1642         }
1643
1644         return DISPATCHED;
1645 }