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 "intl.h"
  25 #include "support/lstrings.h"
  26 #include "frontends/LyXView.h"
  27 #include "frontends/screen.h"
  28 #include "frontends/WorkArea.h"
  29 #include "insets/insetspecialchar.h"
  30 #include "insets/insettext.h"
  31 #include "undo_funcs.h"
  32
  33 using std::endl;
  34
  35 extern string current_layout;
  36
  37
  38 namespace {
  39
  40 void cursorPrevious(LyXText * text, BufferView * bv)
  41 {
  42         if (!text->cursor.row()->previous()) {
  43                 if (text->first_y > 0) {
  44                         int new_y = bv->text->first_y - bv->workarea().workHeight();
  45                         bv->screen().draw(bv->text, bv, new_y < 0 ? 0 : new_y);
  46                         bv->updateScrollbar();
  47                 }
  48                 return;
  49         }
  50
  51         int y = text->first_y;
  52         Row * cursorrow = text->cursor.row();
  53
  54         text->setCursorFromCoordinates(bv, text->cursor.x_fix(), y);
  55         finishUndo();
  56
  57         int new_y;
  58         if (cursorrow == bv->text->cursor.row()) {
  59                 // we have a row which is higher than the workarea so we leave the
  60                 // cursor on the start of the row and move only the draw up as soon
  61                 // as we move the cursor or do something while inside the row (it may
  62                 // span several workarea-heights) we'll move to the top again, but this
  63                 // is better than just jump down and only display part of the row.
  64                 new_y = bv->text->first_y - bv->workarea().workHeight();
  65         } else {
  66                 if (text->inset_owner) {
  67                         new_y = bv->text->cursor.iy()
  68                                 + bv->theLockingInset()->insetInInsetY() + y
  69                                 + text->cursor.row()->height()
  70                                 - bv->workarea().workHeight() + 1;
  71                 } else {
  72                         new_y = text->cursor.y()
  73                                 - text->cursor.row()->baseline()
  74                                 + text->cursor.row()->height()
  75                                 - bv->workarea().workHeight() + 1;
  76                 }
  77         }
  78         bv->screen().draw(bv->text, bv, new_y < 0 ? 0 : new_y);
  79         if (text->cursor.row()->previous()) {
  80                 LyXCursor cur;
  81                 text->setCursor(bv, cur, text->cursor.row()->previous()->par(),
  82                                                 text->cursor.row()->previous()->pos(), false);
  83                 if (cur.y() > text->first_y) {
  84                         text->cursorUp(bv, true);
  85                 }
  86         }
  87         bv->updateScrollbar();
  88 }
  89
  90
  91 void cursorNext(LyXText * text, BufferView * bv)
  92 {
  93         if (!text->cursor.row()->next()) {
  94                 int y = text->cursor.y() - text->cursor.row()->baseline() +
  95                         text->cursor.row()->height();
  96                 if (y > int(text->first_y + bv->workarea().workHeight())) {
  97                         bv->screen().draw(bv->text, bv,
  98                                                   bv->text->first_y + bv->workarea().workHeight());
  99                         bv->updateScrollbar();
 100                 }
 101                 return;
 102         }
 103
 104         int y = text->first_y + bv->workarea().workHeight();
 105         if (text->inset_owner && !text->first_y) {
 106                 y -= (bv->text->cursor.iy()
 107                           - bv->text->first_y
 108                           + bv->theLockingInset()->insetInInsetY());
 109         }
 110
 111         text->getRowNearY(y);
 112
 113         Row * cursorrow = text->cursor.row();
 114         text->setCursorFromCoordinates(bv, text->cursor.x_fix(), y);
 115         // + workarea().workHeight());
 116         finishUndo();
 117
 118         int new_y;
 119         if (cursorrow == bv->text->cursor.row()) {
 120                 // we have a row which is higher than the workarea so we leave the
 121                 // cursor on the start of the row and move only the draw down as soon
 122                 // as we move the cursor or do something while inside the row (it may
 123                 // span several workarea-heights) we'll move to the top again, but this
 124                 // is better than just jump down and only display part of the row.
 125                 new_y = bv->text->first_y + bv->workarea().workHeight();
 126         } else {
 127                 if (text->inset_owner) {
 128                         new_y = bv->text->cursor.iy()
 129                                 + bv->theLockingInset()->insetInInsetY()
 130                                 + y - text->cursor.row()->baseline();
 131                 } else {
 132                         new_y =  text->cursor.y() - text->cursor.row()->baseline();
 133                 }
 134         }
 135         bv->screen().draw(bv->text, bv, new_y);
 136         if (text->cursor.row()->next()) {
 137                 LyXCursor cur;
 138                 text->setCursor(bv, cur, text->cursor.row()->next()->par(),
 139                                                 text->cursor.row()->next()->pos(), false);
 140                 if (cur.y() < int(text->first_y + bv->workarea().workHeight())) {
 141                         text->cursorDown(bv, true);
 142                 }
 143         }
 144         bv->updateScrollbar();
 145 }
 146
 147 }
 148
 149
 150 void LyXText::update(BufferView * bv, bool changed)
 151 {
 152         BufferView::UpdateCodes c = BufferView::SELECT | BufferView::FITCUR;
 153         if (changed)
 154                 bv->update(this, c | BufferView::CHANGE);
 155         else
 156                 bv->update(this, c);
 157 }
 158
 159
 160 void specialChar(LyXText * lt, BufferView * bv, InsetSpecialChar::Kind kind)
 161 {
 162         bv->hideCursor();
 163         lt->update(bv);
 164         InsetSpecialChar * new_inset = new InsetSpecialChar(kind);
 165         if (!bv->insertInset(new_inset))
 166                 delete new_inset;
 167         else
 168                 bv->updateInset(new_inset, true);
 169 }
 170
 171
 172 Inset::RESULT LyXText::dispatch(FuncRequest const & cmd)
 173 {
 174         lyxerr[Debug::ACTION] << "LyXFunc::dispatch: action[" << cmd.action
 175                               <<"] arg[" << cmd.argument << "]" << endl;
 176
 177         BufferView * bv = cmd.view();
 178
 179         switch (cmd.action) {
 180
 181         case LFUN_APPENDIX: {
 182                 Paragraph * par = cursor.par();
 183                 bool start = !par->params().startOfAppendix();
 184
 185                 // ensure that we have only one start_of_appendix in this document
 186                 Paragraph * tmp = ownerParagraph();
 187                 for (; tmp; tmp = tmp->next())
 188                         tmp->params().startOfAppendix(false);
 189
 190                 par->params().startOfAppendix(start);
 191
 192                 // we can set the refreshing parameters now
 193                 status(cmd.view(), LyXText::NEED_MORE_REFRESH);
 194                 refresh_y = 0;
 195                 refresh_row = 0; // not needed for full update
 196                 updateCounters(cmd.view());
 197                 setCursor(cmd.view(), cursor.par(), cursor.pos());
 198                 update(bv);
 199                 break;
 200         }
 201
 202         case LFUN_DELETE_WORD_FORWARD:
 203                 bv->beforeChange(this);
 204                 update(bv, false);
 205                 deleteWordForward(bv);
 206                 update(bv);
 207                 bv->finishChange();
 208                 break;
 209
 210         case LFUN_DELETE_WORD_BACKWARD:
 211                 bv->beforeChange(this);
 212                 update(bv, false);
 213                 deleteWordBackward(bv);
 214                 update(bv, true);
 215                 bv->finishChange();
 216                 break;
 217
 218         case LFUN_DELETE_LINE_FORWARD:
 219                 bv->beforeChange(this);
 220                 update(bv, false);
 221                 deleteLineForward(bv);
 222                 update(bv);
 223                 bv->finishChange();
 224                 break;
 225
 226         case LFUN_SHIFT_TAB:
 227         case LFUN_TAB:
 228                 if (!selection.mark())
 229                         bv->beforeChange(this);
 230                 update(bv, false);
 231                 cursorTab(bv);
 232                 bv->finishChange();
 233                 break;
 234
 235         case LFUN_WORDRIGHT:
 236                 if (!selection.mark())
 237                         bv->beforeChange(this);
 238                 update(bv, false);
 239                 if (cursor.par()->isRightToLeftPar(bv->buffer()->params))
 240                         cursorLeftOneWord(bv);
 241                 else
 242                         cursorRightOneWord(bv);
 243                 bv->finishChange();
 244                 break;
 245
 246         case LFUN_WORDLEFT:
 247                 if (!selection.mark())
 248                         bv->beforeChange(this);
 249                 update(bv, false);
 250                 if (cursor.par()->isRightToLeftPar(bv->buffer()->params))
 251                         cursorRightOneWord(bv);
 252                 else
 253                         cursorLeftOneWord(bv);
 254                 bv->finishChange();
 255                 break;
 256
 257         case LFUN_BEGINNINGBUF:
 258                 if (!selection.mark())
 259                         bv->beforeChange(this);
 260                 update(bv, false);
 261                 cursorTop(bv);
 262                 bv->finishChange();
 263                 break;
 264
 265         case LFUN_ENDBUF:
 266                 if (selection.mark())
 267                         bv->beforeChange(this);
 268                 update(bv, false);
 269                 cursorBottom(bv);
 270                 bv->finishChange();
 271                 break;
 272
 273         case LFUN_RIGHTSEL:
 274                 update(bv, false);
 275                 if (cursor.par()->isRightToLeftPar(bv->buffer()->params))
 276                         cursorLeft(bv);
 277                 else
 278                         cursorRight(bv);
 279                 bv->finishChange(true);
 280                 break;
 281
 282         case LFUN_LEFTSEL:
 283                 update(bv, false);
 284                 if (cursor.par()->isRightToLeftPar(bv->buffer()->params))
 285                         cursorRight(bv);
 286                 else
 287                         cursorLeft(bv);
 288                 bv->finishChange(true);
 289                 break;
 290
 291         case LFUN_UPSEL:
 292                 update(bv, false);
 293                 cursorUp(bv, true);
 294                 bv->finishChange(true);
 295                 break;
 296
 297         case LFUN_DOWNSEL:
 298                 update(bv, false);
 299                 cursorDown(bv, true);
 300                 bv->finishChange(true);
 301                 break;
 302
 303         case LFUN_UP_PARAGRAPHSEL:
 304                 update(bv, false);
 305                 cursorUpParagraph(bv);
 306                 bv->finishChange(true);
 307                 break;
 308
 309         case LFUN_DOWN_PARAGRAPHSEL:
 310                 update(bv, false);
 311                 cursorDownParagraph(bv);
 312                 bv->finishChange(true);
 313                 break;
 314
 315         case LFUN_PRIORSEL:
 316                 update(bv, false);
 317                 cursorPrevious(this, bv);
 318                 bv->finishChange(true);
 319                 break;
 320
 321         case LFUN_NEXTSEL:
 322                 update(bv, false);
 323                 cursorNext(this, bv);
 324                 bv->finishChange();
 325                 break;
 326
 327         case LFUN_HOMESEL:
 328                 update(bv, false);
 329                 cursorHome(bv);
 330                 bv->finishChange(true);
 331                 break;
 332
 333         case LFUN_ENDSEL:
 334                 update(bv, false);
 335                 cursorEnd(bv);
 336                 bv->finishChange(true);
 337                 break;
 338
 339         case LFUN_WORDRIGHTSEL:
 340                 update(bv, false);
 341                 if (cursor.par()->isRightToLeftPar(bv->buffer()->params))
 342                         cursorLeftOneWord(bv);
 343                 else
 344                         cursorRightOneWord(bv);
 345                 bv->finishChange(true);
 346                 break;
 347
 348         case LFUN_WORDLEFTSEL:
 349                 update(bv, false);
 350                 if (cursor.par()->isRightToLeftPar(bv->buffer()->params))
 351                         cursorRightOneWord(bv);
 352                 else
 353                         cursorLeftOneWord(bv);
 354                 bv->finishChange(true);
 355                 break;
 356
 357         case LFUN_RIGHT: {
 358                 bool is_rtl = cursor.par()->isRightToLeftPar(bv->buffer()->params);
 359                 if (!selection.mark())
 360                         bv->beforeChange(this);
 361                 update(bv);
 362                 if (is_rtl)
 363                         cursorLeft(bv, false);
 364                 if (cursor.pos() < cursor.par()->size()
 365                     && cursor.par()->isInset(cursor.pos())
 366                     && isHighlyEditableInset(cursor.par()->getInset(cursor.pos()))) {
 367                         Inset * tmpinset = cursor.par()->getInset(cursor.pos());
 368                         cmd.message(tmpinset->editMessage());
 369                         tmpinset->edit(bv, !is_rtl);
 370                         break;
 371                 }
 372                 if (!is_rtl)
 373                         cursorRight(bv, false);
 374                 bv->finishChange(false);
 375                 break;
 376         }
 377
 378         case LFUN_LEFT: {
 379                 // This is soooo ugly. Isn`t it possible to make
 380                 // it simpler? (Lgb)
 381                 bool const is_rtl = cursor.par()->isRightToLeftPar(bv->buffer()->params);
 382                 if (!selection.mark())
 383                         bv->beforeChange(this);
 384                 update(bv);
 385                 LyXCursor const cur = cursor;
 386                 if (!is_rtl)
 387                         cursorLeft(bv, false);
 388                 if ((is_rtl || cur != cursor) && // only if really moved!
 389                     cursor.pos() < cursor.par()->size() &&
 390                     cursor.par()->isInset(cursor.pos()) &&
 391                     isHighlyEditableInset(cursor.par()->getInset(cursor.pos()))) {
 392                         Inset * tmpinset = cursor.par()->getInset(cursor.pos());
 393                         cmd.message(tmpinset->editMessage());
 394                         tmpinset->edit(bv, is_rtl);
 395                         break;
 396                 }
 397                 if (is_rtl)
 398                         cursorRight(bv, false);
 399                 bv->finishChange(false);
 400                 break;
 401         }
 402
 403         case LFUN_UP:
 404                 if (!selection.mark())
 405                         bv->beforeChange(this);
 406                 bv->update(this, BufferView::UPDATE);
 407                 cursorUp(bv);
 408                 bv->finishChange(false);
 409                 break;
 410
 411         case LFUN_DOWN:
 412                 if (!selection.mark())
 413                         bv->beforeChange(this);
 414                 bv->update(this, BufferView::UPDATE);
 415                 cursorDown(bv);
 416                 bv->finishChange();
 417                 break;
 418
 419         case LFUN_UP_PARAGRAPH:
 420                 if (!selection.mark())
 421                         bv->beforeChange(this);
 422                 bv->update(this, BufferView::UPDATE);
 423                 cursorUpParagraph(bv);
 424                 bv->finishChange();
 425                 break;
 426
 427         case LFUN_DOWN_PARAGRAPH:
 428                 if (!selection.mark())
 429                         bv->beforeChange(this);
 430                 bv->update(this, BufferView::UPDATE);
 431                 cursorDownParagraph(bv);
 432                 bv->finishChange(false);
 433                 break;
 434
 435         case LFUN_PRIOR:
 436                 if (!selection.mark())
 437                         bv->beforeChange(this);
 438                 bv->update(this, BufferView::UPDATE);
 439                 cursorPrevious(this, bv);
 440                 bv->finishChange(false);
 441                 // was:
 442                 // finishUndo();
 443                 // moveCursorUpdate(false, false);
 444                 // owner_->view_state_changed();
 445                 break;
 446
 447         case LFUN_NEXT:
 448                 if (!selection.mark())
 449                         bv->beforeChange(this);
 450                 bv->update(this, BufferView::UPDATE);
 451                 cursorNext(this, bv);
 452                 bv->finishChange(false);
 453                 break;
 454
 455         case LFUN_HOME:
 456                 if (!selection.mark())
 457                         bv->beforeChange(this);
 458                 update(bv);
 459                 cursorHome(bv);
 460                 bv->finishChange(false);
 461                 break;
 462
 463         case LFUN_END:
 464                 if (!selection.mark())
 465                         bv->beforeChange(this);
 466                 update(bv);
 467                 cursorEnd(bv);
 468                 bv->finishChange(false);
 469                 break;
 470
 471         case LFUN_BREAKLINE:
 472                 bv->beforeChange(this);
 473                 insertChar(bv, Paragraph::META_NEWLINE);
 474                 update(bv, true);
 475                 setCursor(bv, cursor.par(), cursor.pos());
 476                 bv->moveCursorUpdate(false);
 477                 break;
 478
 479         case LFUN_DELETE:
 480                 if (!selection.set()) {
 481                         Delete(bv);
 482                         selection.cursor = cursor;
 483                         update(bv);
 484                         // It is possible to make it a lot faster still
 485                         // just comment out the line below...
 486                         bv->showCursor();
 487                 } else {
 488                         update(bv, false);
 489                         cutSelection(bv, true);
 490                         update(bv);
 491                 }
 492                 bv->moveCursorUpdate(false);
 493                 bv->owner()->view_state_changed();
 494                 bv->switchKeyMap();
 495                 break;
 496
 497         case LFUN_DELETE_SKIP:
 498                 // Reverse the effect of LFUN_BREAKPARAGRAPH_SKIP.
 499                 if (!selection.set()) {
 500                         LyXCursor cur = cursor;
 501                         if (cur.pos() == cur.par()->size()) {
 502                                 cursorRight(bv);
 503                                 cur = cursor;
 504                                 if (cur.pos() == 0
 505                                     && !(cur.par()->params().spaceTop()
 506                                          == VSpace (VSpace::NONE))) {
 507                                         setParagraph(bv,
 508                                                  cur.par()->params().lineTop(),
 509                                                  cur.par()->params().lineBottom(),
 510                                                  cur.par()->params().pagebreakTop(),
 511                                                  cur.par()->params().pagebreakBottom(),
 512                                                  VSpace(VSpace::NONE),
 513                                                  cur.par()->params().spaceBottom(),
 514                                                  cur.par()->params().spacing(),
 515                                                  cur.par()->params().align(),
 516                                                  cur.par()->params().labelWidthString(), 0);
 517                                         cursorLeft(bv);
 518                                         update(bv);
 519                                 } else {
 520                                         cursorLeft(bv);
 521                                         Delete(bv);
 522                                         selection.cursor = cursor;
 523                                 }
 524                         } else {
 525                                 Delete(bv);
 526                                 selection.cursor = cursor;
 527                         }
 528                 } else {
 529                         update(bv, false);
 530                         cutSelection(bv, true);
 531                 }
 532                 update(bv);
 533                 break;
 534
 535
 536         case LFUN_BACKSPACE:
 537                 if (!selection.set()) {
 538                         if (bv->owner()->getIntl().getTransManager().backspace()) {
 539                                 backspace(bv);
 540                                 selection.cursor = cursor;
 541                                 update(bv);
 542                                 // It is possible to make it a lot faster still
 543                                 // just comment out the line below...
 544                                 bv->showCursor();
 545                         }
 546                 } else {
 547                         update(bv, false);
 548                         cutSelection(bv, true);
 549                         update(bv);
 550                 }
 551                 bv->owner()->view_state_changed();
 552                 bv->switchKeyMap();
 553                 break;
 554
 555         case LFUN_BACKSPACE_SKIP:
 556                 // Reverse the effect of LFUN_BREAKPARAGRAPH_SKIP.
 557                 if (!selection.set()) {
 558                         LyXCursor cur = cursor;
 559                         if (cur.pos() == 0
 560                             && !(cur.par()->params().spaceTop()
 561                                  == VSpace (VSpace::NONE))) {
 562                                 setParagraph(bv,
 563                                          cur.par()->params().lineTop(),
 564                                          cur.par()->params().lineBottom(),
 565                                          cur.par()->params().pagebreakTop(),
 566                                          cur.par()->params().pagebreakBottom(),
 567                                          VSpace(VSpace::NONE), cur.par()->params().spaceBottom(),
 568                                          cur.par()->params().spacing(),
 569                                          cur.par()->params().align(),
 570                                          cur.par()->params().labelWidthString(), 0);
 571                         } else {
 572                                 backspace(bv);
 573                                 selection.cursor = cur;
 574                         }
 575                 } else {
 576                         update(bv, false);
 577                         cutSelection(bv, true);
 578                 }
 579                 update(bv);
 580                 break;
 581
 582         case LFUN_BREAKPARAGRAPH:
 583                 bv->beforeChange(this);
 584                 breakParagraph(bv, 0);
 585                 update(bv);
 586                 selection.cursor = cursor;
 587                 bv->switchKeyMap();
 588                 bv->owner()->view_state_changed();
 589                 break;
 590
 591         case LFUN_BREAKPARAGRAPHKEEPLAYOUT:
 592                 bv->beforeChange(this);
 593                 breakParagraph(bv, 1);
 594                 update(bv);
 595                 selection.cursor = cursor;
 596                 bv->switchKeyMap();
 597                 bv->owner()->view_state_changed();
 598                 break;
 599
 600         case LFUN_BREAKPARAGRAPH_SKIP: {
 601                 // When at the beginning of a paragraph, remove
 602                 // indentation and add a "defskip" at the top.
 603                 // Otherwise, do the same as LFUN_BREAKPARAGRAPH.
 604                 LyXCursor cur = cursor;
 605                 bv->beforeChange(this);
 606                 if (cur.pos() == 0) {
 607                         if (cur.par()->params().spaceTop() == VSpace(VSpace::NONE)) {
 608                                 setParagraph(bv,
 609                                          cur.par()->params().lineTop(),
 610                                          cur.par()->params().lineBottom(),
 611                                          cur.par()->params().pagebreakTop(),
 612                                          cur.par()->params().pagebreakBottom(),
 613                                          VSpace(VSpace::DEFSKIP), cur.par()->params().spaceBottom(),
 614                                          cur.par()->params().spacing(),
 615                                          cur.par()->params().align(),
 616                                          cur.par()->params().labelWidthString(), 1);
 617                                 //update(bv);
 618                         }
 619                 }
 620                 else {
 621                         breakParagraph(bv, 0);
 622                         //update(bv);
 623                 }
 624                 update(bv);
 625                 selection.cursor = cur;
 626                 bv->switchKeyMap();
 627                 bv->owner()->view_state_changed();
 628                 break;
 629         }
 630
 631         case LFUN_PARAGRAPH_SPACING: {
 632                 Paragraph * par = cursor.par();
 633                 Spacing::Space cur_spacing = par->params().spacing().getSpace();
 634                 float cur_value = 1.0;
 635                 if (cur_spacing == Spacing::Other)
 636                         cur_value = par->params().spacing().getValue();
 637
 638                 istringstream is(cmd.argument.c_str());
 639                 string tmp;
 640                 is >> tmp;
 641                 Spacing::Space new_spacing = cur_spacing;
 642                 float new_value = cur_value;
 643                 if (tmp.empty()) {
 644                         lyxerr << "Missing argument to `paragraph-spacing'"
 645                                << endl;
 646                 } else if (tmp == "single") {
 647                         new_spacing = Spacing::Single;
 648                 } else if (tmp == "onehalf") {
 649                         new_spacing = Spacing::Onehalf;
 650                 } else if (tmp == "double") {
 651                         new_spacing = Spacing::Double;
 652                 } else if (tmp == "other") {
 653                         new_spacing = Spacing::Other;
 654                         float tmpval = 0.0;
 655                         is >> tmpval;
 656                         lyxerr << "new_value = " << tmpval << endl;
 657                         if (tmpval != 0.0)
 658                                 new_value = tmpval;
 659                 } else if (tmp == "default") {
 660                         new_spacing = Spacing::Default;
 661                 } else {
 662                         lyxerr << _("Unknown spacing argument: ")
 663                                << cmd.argument << endl;
 664                 }
 665                 if (cur_spacing != new_spacing || cur_value != new_value) {
 666                         par->params().spacing(Spacing(new_spacing, new_value));
 667                         redoParagraph(bv);
 668                         update(bv);
 669                 }
 670                 break;
 671         }
 672
 673         case LFUN_INSET_TOGGLE:
 674                 bv->hideCursor();
 675                 bv->beforeChange(this);
 676                 update(bv, false);
 677                 toggleInset(bv);
 678                 update(bv, false);
 679                 bv->switchKeyMap();
 680                 break;
 681
 682         case LFUN_PROTECTEDSPACE:
 683                 if (cursor.par()->layout()->free_spacing) {
 684                         insertChar(bv, ' ');
 685                         update(bv);
 686                 } else {
 687                         specialChar(this, bv, InsetSpecialChar::PROTECTED_SEPARATOR);
 688                 }
 689                 bv->moveCursorUpdate(false);
 690                 break;
 691
 692         case LFUN_HYPHENATION:
 693                 specialChar(this, bv, InsetSpecialChar::HYPHENATION);
 694                 break;
 695
 696         case LFUN_LIGATURE_BREAK:
 697                 specialChar(this, bv, InsetSpecialChar::LIGATURE_BREAK);
 698                 break;
 699
 700         case LFUN_LDOTS:
 701                 specialChar(this, bv, InsetSpecialChar::LDOTS);
 702                 break;
 703
 704         case LFUN_HFILL:
 705                 bv->hideCursor();
 706                 update(bv, false);
 707                 insertChar(bv, Paragraph::META_HFILL);
 708                 update(bv);
 709                 break;
 710
 711         case LFUN_END_OF_SENTENCE:
 712                 specialChar(this, bv, InsetSpecialChar::END_OF_SENTENCE);
 713                 break;
 714
 715         case LFUN_MENU_SEPARATOR:
 716                 specialChar(this, bv, InsetSpecialChar::MENU_SEPARATOR);
 717                 break;
 718
 719         case LFUN_MARK_OFF:
 720                 bv->beforeChange(this);
 721                 update(bv, false);
 722                 selection.cursor = cursor;
 723                 cmd.message(N_("Mark off"));
 724                 break;
 725
 726         case LFUN_MARK_ON:
 727                 bv->beforeChange(this);
 728                 selection.mark(true);
 729                 update(bv, false);
 730                 selection.cursor = cursor;
 731                 cmd.message(N_("Mark on"));
 732                 break;
 733
 734         case LFUN_SETMARK:
 735                 bv->beforeChange(this);
 736                 if (selection.mark()) {
 737                         update(bv);
 738                         cmd.message(N_("Mark removed"));
 739                 } else {
 740                         selection.mark(true);
 741                         update(bv);
 742                         cmd.message(N_("Mark set"));
 743                 }
 744                 selection.cursor = cursor;
 745                 break;
 746
 747         case LFUN_UPCASE_WORD:
 748                 update(bv, false);
 749                 changeCase(bv, LyXText::text_uppercase);
 750                 if (inset_owner)
 751                         bv->updateInset(inset_owner, true);
 752                 update(bv);
 753                 break;
 754
 755         case LFUN_LOWCASE_WORD:
 756                 update(bv, false);
 757                 changeCase(bv, LyXText::text_lowercase);
 758                 if (inset_owner)
 759                         bv->updateInset(inset_owner, true);
 760                 update(bv);
 761                 break;
 762
 763         case LFUN_CAPITALIZE_WORD:
 764                 update(bv, false);
 765                 changeCase(bv, LyXText::text_capitalization);
 766                 if (inset_owner)
 767                         bv->updateInset(inset_owner, true);
 768                 update(bv);
 769                 break;
 770
 771         case LFUN_TRANSPOSE_CHARS:
 772                 update(bv, false);
 773                 transposeChars(*bv);
 774                 if (inset_owner)
 775                         bv->updateInset(inset_owner, true);
 776                 update(bv);
 777                 break;
 778
 779         case LFUN_PASTE:
 780                 cmd.message(_("Paste"));
 781                 bv->hideCursor();
 782                 // clear the selection
 783                 bv->toggleSelection();
 784                 clearSelection();
 785                 update(bv, false);
 786                 pasteSelection(bv);
 787                 clearSelection(); // bug 393
 788                 update(bv, false);
 789                 update(bv);
 790                 bv->switchKeyMap();
 791                 break;
 792
 793         case LFUN_CUT:
 794                 bv->hideCursor();
 795                 update(bv, false);
 796                 cutSelection(bv, true);
 797                 update(bv);
 798                 cmd.message(_("Cut"));
 799                 break;
 800
 801         case LFUN_COPY:
 802                 copySelection(bv);
 803                 cmd.message(_("Copy"));
 804                 break;
 805
 806         case LFUN_BEGINNINGBUFSEL:
 807                 if (inset_owner)
 808                         return Inset::UNDISPATCHED;
 809                 update(bv, false);
 810                 cursorTop(bv);
 811                 bv->finishChange(true);
 812                 break;
 813
 814         case LFUN_ENDBUFSEL:
 815                 if (inset_owner)
 816                         return Inset::UNDISPATCHED;
 817                 update(bv, false);
 818                 cursorBottom(bv);
 819                 bv->finishChange(true);
 820                 break;
 821
 822         case LFUN_GETXY:
 823                 cmd.message(tostr(cursor.x()) + ' ' + tostr(cursor.y()));
 824                 break;
 825
 826         case LFUN_SETXY: {
 827                 int x = 0;
 828                 int y = 0;
 829                 istringstream is(cmd.argument.c_str());
 830                 is >> x >> y;
 831                 if (!is)
 832                         lyxerr << "SETXY: Could not parse coordinates in '"
 833                                << cmd.argument << std::endl;
 834                 else
 835                         setCursorFromCoordinates(bv, x, y);
 836                 break;
 837         }
 838
 839         case LFUN_GETFONT:
 840                 if (current_font.shape() == LyXFont::ITALIC_SHAPE)
 841                         cmd.message("E");
 842                 else if (current_font.shape() == LyXFont::SMALLCAPS_SHAPE)
 843                         cmd.message("N");
 844                 else
 845                         cmd.message("0");
 846                 break;
 847
 848         case LFUN_GETLAYOUT:
 849                 cmd.message(tostr(cursor.par()->layout()));
 850                 break;
 851
 852         case LFUN_LAYOUT: {
 853                 lyxerr[Debug::INFO] << "LFUN_LAYOUT: (arg) "
 854                   << cmd.argument << endl;
 855
 856                 // This is not the good solution to the empty argument
 857                 // problem, but it will hopefully suffice for 1.2.0.
 858                 // The correct solution would be to augument the
 859                 // function list/array with information about what
 860                 // functions needs arguments and their type.
 861                 if (cmd.argument.empty()) {
 862                         cmd.errorMessage(_("LyX function 'layout' needs an argument."));
 863                         break;
 864                 }
 865
 866                 // Derive layout number from given argument (string)
 867                 // and current buffer's textclass (number)
 868                 LyXTextClass const & tclass = bv->buffer()->params.getLyXTextClass();
 869                 bool hasLayout = tclass.hasLayout(cmd.argument);
 870                 string layout = cmd.argument;
 871
 872                 // If the entry is obsolete, use the new one instead.
 873                 if (hasLayout) {
 874                         string const & obs = tclass[layout]->obsoleted_by();
 875                         if (!obs.empty())
 876                                 layout = obs;
 877                 }
 878
 879                 if (!hasLayout) {
 880                         cmd.errorMessage(string(N_("Layout ")) + cmd.argument +
 881                                 N_(" not known"));
 882                         break;
 883                 }
 884
 885                 bool change_layout = (current_layout != layout);
 886                 if (!change_layout && selection.set() &&
 887                         selection.start.par() != selection.end.par())
 888                 {
 889                         Paragraph * spar = selection.start.par();
 890                         Paragraph * epar = selection.end.par()->next();
 891                         while (spar != epar) {
 892                                 if (spar->layout()->name() != current_layout) {
 893                                         change_layout = true;
 894                                         break;
 895                                 }
 896                         }
 897                 }
 898                 if (change_layout) {
 899                         bv->hideCursor();
 900                         current_layout = layout;
 901                         update(bv, false);
 902                         setLayout(bv, layout);
 903                         bv->owner()->setLayout(layout);
 904                         update(bv);
 905                         bv->switchKeyMap();
 906                 }
 907                 break;
 908         }
 909
 910         case LFUN_PASTESELECTION: {
 911                 if (!bv->buffer())
 912                         break;
 913                 bv->hideCursor();
 914                 // this was originally a beforeChange(bv->text), i.e
 915                 // the outermost LyXText!
 916                 bv->beforeChange(this);
 917                 string const clip(bv->workarea().getClipboard());
 918                 if (!clip.empty()) {
 919                         if (cmd.argument == "paragraph")
 920                                 insertStringAsParagraphs(bv, clip);
 921                         else
 922                                 insertStringAsLines(bv, clip);
 923                         clearSelection();
 924                         update(bv);
 925                 }
 926                 break;
 927         }
 928
 929         case LFUN_SELFINSERT: {
 930                 if (cmd.argument.empty())
 931                         break;
 932
 933                 // Automatically delete the currently selected
 934                 // text and replace it with what is being
 935                 // typed in now. Depends on lyxrc settings
 936                 // "auto_region_delete", which defaults to
 937                 // true (on).
 938
 939                 if (lyxrc.auto_region_delete) {
 940                         if (selection.set()) {
 941                                 cutSelection(bv, false, false);
 942                                 update(bv);
 943                         }
 944                         bv->workarea().haveSelection(false);
 945                 }
 946
 947                 bv->beforeChange(this);
 948                 LyXFont const old_font(real_current_font);
 949
 950                 string::const_iterator cit = cmd.argument.begin();
 951                 string::const_iterator end = cmd.argument.end();
 952                 for (; cit != end; ++cit)
 953                         bv->owner()->getIntl().getTransManager().
 954                                 TranslateAndInsert(*cit, this);
 955
 956                 update(bv);
 957                 selection.cursor = cursor;
 958                 bv->moveCursorUpdate(false);
 959
 960                 // real_current_font.number can change so we need to
 961                 // update the minibuffer
 962                 if (old_font != real_current_font)
 963                         bv->owner()->view_state_changed();
 964                 break;
 965         }
 966
 967         default:
 968                 return Inset::UNDISPATCHED;
 969         }
 970
 971         return Inset::DISPATCHED;
 972 }