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 = bv->text->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, bv->text->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_END_OF_SENTENCE:
 953                 specialChar(this, bv, InsetSpecialChar::END_OF_SENTENCE);
 954                 break;
 955
 956         case LFUN_MENU_SEPARATOR:
 957                 specialChar(this, bv, InsetSpecialChar::MENU_SEPARATOR);
 958                 break;
 959
 960         case LFUN_MARK_OFF:
 961                 bv->beforeChange(this);
 962                 update(bv, false);
 963                 selection.cursor = cursor;
 964                 cmd.message(N_("Mark off"));
 965                 break;
 966
 967         case LFUN_MARK_ON:
 968                 bv->beforeChange(this);
 969                 selection.mark(true);
 970                 update(bv, false);
 971                 selection.cursor = cursor;
 972                 cmd.message(N_("Mark on"));
 973                 break;
 974
 975         case LFUN_SETMARK:
 976                 bv->beforeChange(this);
 977                 if (selection.mark()) {
 978                         update(bv);
 979                         cmd.message(N_("Mark removed"));
 980                 } else {
 981                         selection.mark(true);
 982                         update(bv);
 983                         cmd.message(N_("Mark set"));
 984                 }
 985                 selection.cursor = cursor;
 986                 break;
 987
 988         case LFUN_UPCASE_WORD:
 989                 update(bv, false);
 990                 changeCase(*bv, LyXText::text_uppercase);
 991                 if (inset_owner)
 992                         bv->updateInset(inset_owner, true);
 993                 update(bv);
 994                 break;
 995
 996         case LFUN_LOWCASE_WORD:
 997                 update(bv, false);
 998                 changeCase(*bv, LyXText::text_lowercase);
 999                 if (inset_owner)
1000                         bv->updateInset(inset_owner, true);
1001                 update(bv);
1002                 break;
1003
1004         case LFUN_CAPITALIZE_WORD:
1005                 update(bv, false);
1006                 changeCase(*bv, LyXText::text_capitalization);
1007                 if (inset_owner)
1008                         bv->updateInset(inset_owner, true);
1009                 update(bv);
1010                 break;
1011
1012         case LFUN_TRANSPOSE_CHARS:
1013                 update(bv, false);
1014                 transposeChars(*bv);
1015                 if (inset_owner)
1016                         bv->updateInset(inset_owner, true);
1017                 update(bv);
1018                 break;
1019
1020         case LFUN_PASTE:
1021                 cmd.message(_("Paste"));
1022                 bv->hideCursor();
1023                 // clear the selection
1024                 bv->toggleSelection();
1025                 clearSelection();
1026                 update(bv, false);
1027                 pasteSelection(bv);
1028                 clearSelection(); // bug 393
1029                 update(bv, false);
1030                 update(bv);
1031                 bv->switchKeyMap();
1032                 break;
1033
1034         case LFUN_CUT:
1035                 bv->hideCursor();
1036                 update(bv, false);
1037                 cutSelection(bv, true);
1038                 update(bv);
1039                 cmd.message(_("Cut"));
1040                 break;
1041
1042         case LFUN_COPY:
1043                 copySelection(bv);
1044                 cmd.message(_("Copy"));
1045                 break;
1046
1047         case LFUN_BEGINNINGBUFSEL:
1048                 if (inset_owner)
1049                         return UNDISPATCHED;
1050                 update(bv, false);
1051                 cursorTop(bv);
1052                 finishChange(bv, true);
1053                 break;
1054
1055         case LFUN_ENDBUFSEL:
1056                 if (inset_owner)
1057                         return UNDISPATCHED;
1058                 update(bv, false);
1059                 cursorBottom(bv);
1060                 finishChange(bv, true);
1061                 break;
1062
1063         case LFUN_GETXY:
1064                 cmd.message(tostr(cursor.x()) + ' ' + tostr(cursor.y()));
1065                 break;
1066
1067         case LFUN_SETXY: {
1068                 int x = 0;
1069                 int y = 0;
1070                 istringstream is(cmd.argument.c_str());
1071                 is >> x >> y;
1072                 if (!is)
1073                         lyxerr << "SETXY: Could not parse coordinates in '"
1074                                << cmd.argument << std::endl;
1075                 else
1076                         setCursorFromCoordinates(bv, x, y);
1077                 break;
1078         }
1079
1080         case LFUN_GETFONT:
1081                 if (current_font.shape() == LyXFont::ITALIC_SHAPE)
1082                         cmd.message("E");
1083                 else if (current_font.shape() == LyXFont::SMALLCAPS_SHAPE)
1084                         cmd.message("N");
1085                 else
1086                         cmd.message("0");
1087                 break;
1088
1089         case LFUN_GETLAYOUT:
1090                 cmd.message(tostr(cursor.par()->layout()));
1091                 break;
1092
1093         case LFUN_LAYOUT: {
1094                 lyxerr[Debug::INFO] << "LFUN_LAYOUT: (arg) "
1095                   << cmd.argument << endl;
1096
1097                 // This is not the good solution to the empty argument
1098                 // problem, but it will hopefully suffice for 1.2.0.
1099                 // The correct solution would be to augument the
1100                 // function list/array with information about what
1101                 // functions needs arguments and their type.
1102                 if (cmd.argument.empty()) {
1103                         cmd.errorMessage(_("LyX function 'layout' needs an argument."));
1104                         break;
1105                 }
1106
1107                 // Derive layout number from given argument (string)
1108                 // and current buffer's textclass (number)
1109                 LyXTextClass const & tclass = bv->buffer()->params.getLyXTextClass();
1110                 bool hasLayout = tclass.hasLayout(cmd.argument);
1111                 string layout = cmd.argument;
1112
1113                 // If the entry is obsolete, use the new one instead.
1114                 if (hasLayout) {
1115                         string const & obs = tclass[layout]->obsoleted_by();
1116                         if (!obs.empty())
1117                                 layout = obs;
1118                 }
1119
1120                 if (!hasLayout) {
1121                         cmd.errorMessage(string(N_("Layout ")) + cmd.argument +
1122                                 N_(" not known"));
1123                         break;
1124                 }
1125
1126                 bool change_layout = (current_layout != layout);
1127                 if (!change_layout && selection.set() &&
1128                         selection.start.par() != selection.end.par())
1129                 {
1130                         Paragraph * spar = selection.start.par();
1131                         Paragraph * epar = selection.end.par()->next();
1132                         while (spar != epar) {
1133                                 if (spar->layout()->name() != current_layout) {
1134                                         change_layout = true;
1135                                         break;
1136                                 }
1137                                 spar = spar->next();
1138                         }
1139                 }
1140                 if (change_layout) {
1141                         bv->hideCursor();
1142                         current_layout = layout;
1143                         update(bv, false);
1144                         setLayout(bv, layout);
1145                         bv->owner()->setLayout(layout);
1146                         update(bv);
1147                         bv->switchKeyMap();
1148                 }
1149                 break;
1150         }
1151
1152         case LFUN_PASTESELECTION: {
1153                 if (!bv->buffer())
1154                         break;
1155                 bv->hideCursor();
1156                 // this was originally a beforeChange(bv->text), i.e
1157                 // the outermost LyXText!
1158                 bv->beforeChange(this);
1159                 string const clip = bv->getClipboard();
1160                 if (!clip.empty()) {
1161                         if (cmd.argument == "paragraph")
1162                                 insertStringAsParagraphs(bv, clip);
1163                         else
1164                                 insertStringAsLines(bv, clip);
1165                         clearSelection();
1166                         update(bv);
1167                 }
1168                 break;
1169         }
1170
1171         case LFUN_GOTOERROR:
1172                 gotoInset(bv, Inset::ERROR_CODE, false);
1173                 break;
1174
1175         case LFUN_GOTONOTE:
1176                 gotoInset(bv, Inset::NOTE_CODE, false);
1177                 break;
1178
1179         case LFUN_REFERENCE_GOTO:
1180         {
1181                 vector<Inset::Code> tmp;
1182                 tmp.push_back(Inset::LABEL_CODE);
1183                 tmp.push_back(Inset::REF_CODE);
1184                 gotoInset(bv, tmp, true);
1185                 break;
1186         }
1187
1188         case LFUN_QUOTE: {
1189                 Paragraph const * par = cursor.par();
1190                 lyx::pos_type pos = cursor.pos();
1191                 char c;
1192                 if (!pos)
1193                         c = ' ';
1194                 else if (par->isInset(pos - 1) && par->getInset(pos - 1)->isSpace())
1195                         c = ' ';
1196                 else
1197                         c = par->getChar(pos - 1);
1198
1199                 bv->hideCursor();
1200                 LyXLayout_ptr const & style = par->layout();
1201
1202                 if (style->pass_thru ||
1203                                 par->getFontSettings(bv->buffer()->params,
1204                                          pos).language()->lang() == "hebrew" ||
1205                         (!bv->insertInset(new InsetQuotes(c, bv->buffer()->params))))
1206                         bv->owner()->dispatch(FuncRequest(LFUN_SELFINSERT, "\""));
1207                 break;
1208         }
1209
1210         case LFUN_DATE_INSERT: {
1211                 time_t now_time_t = time(NULL);
1212                 struct tm * now_tm = localtime(&now_time_t);
1213                 setlocale(LC_TIME, "");
1214                 string arg;
1215                 if (!cmd.argument.empty())
1216                         arg = cmd.argument;
1217                 else
1218                         arg = lyxrc.date_insert_format;
1219                 char datetmp[32];
1220                 int const datetmp_len =
1221                         ::strftime(datetmp, 32, arg.c_str(), now_tm);
1222
1223                 for (int i = 0; i < datetmp_len; i++) {
1224                         insertChar(bv, datetmp[i]);
1225                         update(bv, true);
1226                 }
1227                 selection.cursor = cursor;
1228                 moveCursorUpdate(bv, false);
1229                 break;
1230         }
1231
1232         case LFUN_MOUSE_TRIPLE:
1233                 if (!bv->buffer())
1234                         break;
1235                 if (isTopLevel() && bv->theLockingInset())
1236                         break;
1237                 if (cmd.button() == mouse_button::button1) {
1238                         if (isTopLevel()) {
1239                                 bv->screen().hideCursor();
1240                                 bv->screen().toggleSelection(this, bv);
1241                         }
1242                         cursorHome(bv);
1243                         selection.cursor = cursor;
1244                         cursorEnd(bv);
1245                         setSelection(bv);
1246                         if (isTopLevel())
1247                                 bv->screen().toggleSelection(this, bv, false);
1248                         update(bv, false);
1249                         bv->haveSelection(selection.set());
1250                 }
1251                 break;
1252
1253         case LFUN_MOUSE_DOUBLE:
1254                 if (!bv->buffer())
1255                         break;
1256                 if (isTopLevel() && bv->theLockingInset())
1257                         break;
1258                 if (cmd.button() == mouse_button::button1) {
1259                         if (isTopLevel()) {
1260                                 bv->screen().hideCursor();
1261                                 bv->screen().toggleSelection(this, bv);
1262                                 selectWord(bv, LyXText::WHOLE_WORD_STRICT);
1263                                 bv->screen().toggleSelection(this, bv, false);
1264                         } else {
1265                                 selectWord(bv, LyXText::WHOLE_WORD_STRICT);
1266                         }
1267                         update(bv, false);
1268                         bv->haveSelection(selection.set());
1269                 }
1270                 break;
1271
1272         case LFUN_MOUSE_MOTION:
1273         {
1274                 // Only use motion with button 1
1275                 //if (ev.button() != mouse_button::button1)
1276                 //      return false;
1277
1278                 if (!bv->buffer())
1279                         break;
1280
1281                 // Check for inset locking
1282                 if (bv->theLockingInset()) {
1283                         Inset * tli = bv->theLockingInset();
1284                         LyXCursor cursor = bv->text->cursor;
1285                         LyXFont font = bv->text->getFont(bv->buffer(),
1286                                                                 cursor.par(), cursor.pos());
1287                         int width = tli->width(bv, font);
1288                         int inset_x = font.isVisibleRightToLeft()
1289                                 ? cursor.ix() - width : cursor.ix();
1290                         int start_x = inset_x + tli->scroll();
1291                         FuncRequest cmd1 = cmd;
1292                         cmd1.x = cmd.x - start_x;
1293                         cmd1.y = cmd.y - cursor.iy() + bv->text->top_y();
1294                         tli->localDispatch(cmd1);
1295                         break;
1296                 }
1297
1298                 // The test for not selection possible is needed, that only motion
1299                 // events are used, where the bottom press event was on
1300                 //  the drawing area too
1301                 if (!selection_possible) {
1302                         lyxerr[Debug::ACTION]
1303                                 << "BufferView::Pimpl::Dispatch: no selection possible\n";
1304                         break;
1305                 }
1306
1307                 bv->screen().hideCursor();
1308
1309                 Row * cursorrow = bv->text->cursor.row();
1310                 bv->text->setCursorFromCoordinates(bv, cmd.x, cmd.y + bv->text->top_y());
1311         #if 0
1312                 // sorry for this but I have a strange error that the y value jumps at
1313                 // a certain point. This seems like an error in my xforms library or
1314                 // in some other local environment, but I would like to leave this here
1315                 // for the moment until I can remove this (Jug 20020418)
1316                 if (y_before < bv->text->cursor.y())
1317                         lyxerr << y_before << ':'
1318                                << bv->text->cursor.y() << endl;
1319         #endif
1320                 // This is to allow jumping over large insets
1321                 if (cursorrow == bv->text->cursor.row()) {
1322                         if (cmd.y >= bv->workHeight())
1323                                 bv->text->cursorDown(bv, false);
1324                         else if (cmd.y < 0)
1325                                 bv->text->cursorUp(bv, false);
1326                 }
1327
1328                 // Maybe an empty line was deleted
1329                 if (!bv->text->selection.set())
1330                         bv->update(bv->text, BufferView::UPDATE);
1331                 bv->text->setSelection(bv);
1332                 bv->screen().toggleToggle(bv->text, bv);
1333                 bv->fitCursor();
1334                 bv->showCursor();
1335                 break;
1336         }
1337
1338         // Single-click on work area
1339         case LFUN_MOUSE_PRESS:
1340         {
1341                 if (!bv->buffer())
1342                         break;
1343
1344                 // ok ok, this is a hack (for xforms)
1345                 // We shouldn't go further down as we really should only do the
1346                 // scrolling and be done with this. Otherwise we may open some
1347                 // dialogs (Jug 20020424).
1348                 if (cmd.button() == mouse_button::button4) {
1349                         bv->scroll(-lyxrc.wheel_jump);
1350                         break;
1351                 }
1352                 if (cmd.button() == mouse_button::button5) {
1353                         bv->scroll(lyxrc.wheel_jump);
1354                         break;
1355                 }
1356
1357                 int x = cmd.x;
1358                 int y = cmd.y;
1359                 Inset * inset_hit = bv->text->checkInsetHit(bv, x, y);
1360
1361                 // Middle button press pastes if we have a selection
1362                 // We do this here as if the selection was inside an inset
1363                 // it could get cleared on the unlocking of the inset so
1364                 // we have to check this first
1365                 bool paste_internally = false;
1366                 if (cmd.button() == mouse_button::button2 && selection.set()) {
1367                         bv->owner()->dispatch(FuncRequest(LFUN_COPY));
1368                         paste_internally = true;
1369                 }
1370
1371                 int const screen_first = bv->text->top_y();
1372
1373                 if (bv->theLockingInset()) {
1374                         // We are in inset locking mode
1375
1376                         // Check whether the inset was hit. If not reset mode,
1377                         // otherwise give the event to the inset
1378                         if (inset_hit == bv->theLockingInset()) {
1379                                 FuncRequest cmd1(bv, LFUN_MOUSE_PRESS, x, y, cmd.button());
1380                                 bv->theLockingInset()->localDispatch(cmd1);
1381                                 break;
1382                         }
1383                         bv->unlockInset(bv->theLockingInset());
1384                 }
1385
1386                 if (!inset_hit)
1387                         selection_possible = true;
1388                 bv->screen().hideCursor();
1389
1390                 // Clear the selection
1391                 bv->screen().toggleSelection(bv->text, bv);
1392                 bv->text->clearSelection();
1393                 bv->text->fullRebreak(bv);
1394                 bv->update();
1395                 bv->updateScrollbar();
1396
1397                 // Single left click in math inset?
1398                 if (isHighlyEditableInset(inset_hit)) {
1399                         // Highly editable inset, like math
1400                         UpdatableInset * inset = static_cast<UpdatableInset *>(inset_hit);
1401                         selection_possible = false;
1402                         bv->owner()->updateLayoutChoice();
1403                         bv->owner()->message(inset->editMessage());
1404                         //inset->edit(bv, x, y, cmd.button());
1405                         // We just have to lock the inset before calling a PressEvent on it!
1406                         // we don't need the edit() call here! (Jug20020329)
1407                         if (!bv->lockInset(inset))
1408                                 lyxerr[Debug::INSETS] << "Cannot lock inset" << endl;
1409                         FuncRequest cmd1(bv, LFUN_MOUSE_PRESS, x, y, cmd.button());
1410                         inset->localDispatch(cmd1);
1411                         break;
1412                 }
1413                 // I'm not sure we should continue here if we hit an inset (Jug20020403)
1414
1415                 // Right click on a footnote flag opens float menu
1416                 if (cmd.button() == mouse_button::button3) {
1417                         selection_possible = false;
1418                         break;
1419                 }
1420
1421                 if (!inset_hit) // otherwise it was already set in checkInsetHit(...)
1422                         bv->text->setCursorFromCoordinates(bv, x, y + screen_first);
1423                 finishUndo();
1424                 bv->text->selection.cursor = bv->text->cursor;
1425                 bv->text->cursor.x_fix(bv->text->cursor.x());
1426
1427                 bv->owner()->updateLayoutChoice();
1428                 if (bv->fitCursor())
1429                         selection_possible = false;
1430
1431                 // Insert primary selection with middle mouse
1432                 // if there is a local selection in the current buffer,
1433                 // insert this
1434                 if (cmd.button() == mouse_button::button2) {
1435                         if (paste_internally)
1436                                 bv->owner()->dispatch(FuncRequest(LFUN_PASTE));
1437                         else
1438                                 bv->owner()->dispatch(FuncRequest(LFUN_PASTESELECTION, "paragraph"));
1439                         selection_possible = false;
1440                 }
1441                 break;
1442         }
1443
1444         case LFUN_MOUSE_RELEASE:
1445         {
1446                 // do nothing if we used the mouse wheel
1447                 if (!bv->buffer())
1448                         break;
1449
1450                 if (cmd.button() == mouse_button::button4
1451                  || cmd.button() == mouse_button::button5)
1452                         break;
1453
1454                 // If we hit an inset, we have the inset coordinates in these
1455                 // and inset_hit points to the inset.  If we do not hit an
1456                 // inset, inset_hit is 0, and inset_x == x, inset_y == y.
1457                 int x = cmd.x;
1458                 int y = cmd.y;
1459                 Inset * inset_hit = bv->text->checkInsetHit(bv, x, y);
1460
1461                 if (bv->theLockingInset()) {
1462                         // We are in inset locking mode.
1463
1464                         // LyX does a kind of work-area grabbing for insets.
1465                         // Only a ButtonPress FuncRequest outside the inset will
1466                         // force a insetUnlock.
1467                         FuncRequest cmd1(bv, LFUN_MOUSE_RELEASE, x, y, cmd.button());
1468                         bv->theLockingInset()->localDispatch(cmd1);
1469                         break;
1470                 }
1471
1472                 selection_possible = false;
1473
1474                 if (cmd.button() == mouse_button::button2)
1475                         break;
1476
1477                 // finish selection
1478                 if (cmd.button() == mouse_button::button1)
1479                         bv->haveSelection(selection.set());
1480
1481                 bv->switchKeyMap();
1482                 bv->owner()->view_state_changed();
1483                 bv->owner()->updateMenubar();
1484                 bv->owner()->updateToolbar();
1485
1486                 // Did we hit an editable inset?
1487                 if (inset_hit) {
1488                         selection_possible = false;
1489
1490                         // if we reach this point with a selection, it
1491                         // must mean we are currently selecting.
1492                         // But we don't want to open the inset
1493                         // because that is annoying for the user.
1494                         // So just pretend we didn't hit it.
1495                         // this is OK because a "kosher" ButtonRelease
1496                         // will follow a ButtonPress that clears
1497                         // the selection.
1498                         // Note this also fixes selection drawing
1499                         // problems if we end up opening an inset
1500                         if (selection.set())
1501                                 break;
1502
1503                         // CHECK fix this proper in 0.13
1504                         // well, maybe 13.0 !!!!!!!!!
1505
1506                         // Following a ref shouldn't issue
1507                         // a push on the undo-stack
1508                         // anylonger, now that we have
1509                         // keybindings for following
1510                         // references and returning from
1511                         // references.  IMHO though, it
1512                         // should be the inset's own business
1513                         // to push or not push on the undo
1514                         // stack. They don't *have* to
1515                         // alter the document...
1516                         // (Joacim)
1517                         // ...or maybe the SetCursorParUndo()
1518                         // below isn't necessary at all anylonger?
1519                         if (inset_hit->lyxCode() == Inset::REF_CODE)
1520                                 setCursorParUndo(bv);
1521
1522                         bv->owner()->message(inset_hit->editMessage());
1523
1524                         FuncRequest cmd1(bv, LFUN_MOUSE_RELEASE, x, y, cmd.button());
1525                         inset_hit->localDispatch(cmd1);
1526                 }
1527
1528                 break;
1529         }
1530
1531         case LFUN_SELFINSERT: {
1532                 if (cmd.argument.empty())
1533                         break;
1534
1535                 // Automatically delete the currently selected
1536                 // text and replace it with what is being
1537                 // typed in now. Depends on lyxrc settings
1538                 // "auto_region_delete", which defaults to
1539                 // true (on).
1540
1541                 if (lyxrc.auto_region_delete) {
1542                         if (selection.set()) {
1543                                 cutSelection(bv, false, false);
1544                                 update(bv);
1545                         }
1546                         bv->haveSelection(false);
1547                 }
1548
1549                 bv->beforeChange(this);
1550                 LyXFont const old_font(real_current_font);
1551
1552                 string::const_iterator cit = cmd.argument.begin();
1553                 string::const_iterator end = cmd.argument.end();
1554                 for (; cit != end; ++cit)
1555                         bv->owner()->getIntl().getTransManager().
1556                                 TranslateAndInsert(*cit, this);
1557
1558                 update(bv);
1559                 selection.cursor = cursor;
1560                 moveCursorUpdate(bv, false);
1561
1562                 // real_current_font.number can change so we need to
1563                 // update the minibuffer
1564                 if (old_font != real_current_font)
1565                         bv->owner()->view_state_changed();
1566                 break;
1567         }
1568
1569         case LFUN_HTMLURL: {
1570                 InsetCommandParams p("htmlurl");
1571                 string const data = InsetCommandMailer::params2string("url", p);
1572                 bv->owner()->getDialogs().show("url", data, 0);
1573                 break;
1574         }
1575
1576         case LFUN_URL: {
1577                 InsetCommandParams p("url");
1578                 string const data = InsetCommandMailer::params2string("url", p);
1579                 bv->owner()->getDialogs().show("url", data, 0);
1580                 break;
1581         }
1582
1583
1584 #if 0
1585         case LFUN_INSET_LIST:
1586         case LFUN_INSET_THEOREM:
1587         case LFUN_INSET_CAPTION:
1588 #endif
1589         case LFUN_INSERT_NOTE:
1590         case LFUN_INSERT_BIBITEM:
1591         case LFUN_INSET_ERT:
1592         case LFUN_INSET_FLOAT:
1593         case LFUN_INSET_FOOTNOTE:
1594         case LFUN_INSET_MARGINAL:
1595         case LFUN_INSET_MINIPAGE:
1596         case LFUN_INSET_OPTARG:
1597         case LFUN_INSET_WIDE_FLOAT:
1598         case LFUN_INSET_WRAP:
1599         case LFUN_TABULAR_INSERT:
1600                 // Open the inset, and move the current selection
1601                 // inside it.
1602                 doInsertInset(this, cmd, true, true);
1603                 break;
1604
1605         case LFUN_INDEX_INSERT:
1606                 // Just open the inset
1607                 doInsertInset(this, cmd, true, false);
1608                 break;
1609
1610         case LFUN_INDEX_PRINT:
1611         case LFUN_PARENTINSERT:
1612         case LFUN_TOC_INSERT:
1613         case LFUN_HFILL:
1614                 // do nothing fancy
1615                 doInsertInset(this, cmd, false, false);
1616                 break;
1617
1618         default:
1619                 return UNDISPATCHED;
1620         }
1621
1622         return DISPATCHED;
1623 }