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 "language.h"
  26 #include "support/lstrings.h"
  27 #include "frontends/LyXView.h"
  28 #include "frontends/screen.h"
  29 #include "frontends/WorkArea.h"
  30 #include "insets/insetspecialchar.h"
  31 #include "insets/insettext.h"
  32 #include "insets/insetquotes.h"
  33 #include "insets/insetcommand.h"
  34 #include "undo_funcs.h"
  35
  36 using std::endl;
  37
  38 extern string current_layout;
  39
  40 namespace {
  41
  42         void finishChange(BufferView * bv, bool fitcur = false)
  43         {
  44                 finishUndo();
  45                 bv->moveCursorUpdate(fitcur);
  46                 bv->owner()->view_state_changed();
  47         }
  48
  49 }
  50
  51
  52 bool LyXText::gotoNextInset(BufferView * bv,
  53         vector<Inset::Code> const & codes, string const & contents) const
  54 {
  55         LyXCursor res = cursor;
  56         Inset * inset;
  57         do {
  58                 if (res.pos() < res.par()->size() - 1) {
  59                         res.pos(res.pos() + 1);
  60                 } else  {
  61                         res.par(res.par()->next());
  62                         res.pos(0);
  63                 }
  64
  65         } while (res.par() &&
  66                  !(res.par()->isInset(res.pos())
  67                    && (inset = res.par()->getInset(res.pos())) != 0
  68                    && find(codes.begin(), codes.end(), inset->lyxCode())
  69                    != codes.end()
  70                    && (contents.empty() ||
  71                        static_cast<InsetCommand *>(
  72                                                         res.par()->getInset(res.pos()))->getContents()
  73                        == contents)));
  74
  75         if (res.par()) {
  76                 setCursor(bv, res.par(), res.pos(), false);
  77                 return true;
  78         }
  79         return false;
  80 }
  81
  82
  83 void LyXText::gotoInset(BufferView * bv, vector<Inset::Code> const & codes,
  84                                   bool same_content)
  85 {
  86         bv->hideCursor();
  87         bv->beforeChange(this);
  88         update(bv, false);
  89
  90         string contents;
  91         if (same_content && cursor.par()->isInset(cursor.pos())) {
  92                 Inset const * inset = cursor.par()->getInset(cursor.pos());
  93                 if (find(codes.begin(), codes.end(), inset->lyxCode())
  94                     != codes.end())
  95                         contents = static_cast<InsetCommand const *>(inset)->getContents();
  96         }
  97
  98         if (!gotoNextInset(bv, codes, contents)) {
  99                 if (cursor.pos() || cursor.par() != ownerParagraph()) {
 100                         LyXCursor tmp = cursor;
 101                         cursor.par(ownerParagraph());
 102                         cursor.pos(0);
 103                         if (!gotoNextInset(bv, codes, contents)) {
 104                                 cursor = tmp;
 105                                 bv->owner()->message(_("No more insets"));
 106                         }
 107                 } else {
 108                         bv->owner()->message(_("No more insets"));
 109                 }
 110         }
 111         update(bv, false);
 112         selection.cursor = cursor;
 113 }
 114
 115
 116 void LyXText::gotoInset(BufferView * bv, Inset::Code code, bool same_content)
 117 {
 118         gotoInset(bv, vector<Inset::Code>(1, code), same_content);
 119 }
 120
 121
 122 void LyXText::cursorPrevious(BufferView * bv)
 123 {
 124         if (!cursor.row()->previous()) {
 125                 if (first_y > 0) {
 126                         int new_y = bv->text->first_y - bv->workarea().workHeight();
 127                         bv->screen().draw(bv->text, bv, new_y < 0 ? 0 : new_y);
 128                         bv->updateScrollbar();
 129                 }
 130                 return;
 131         }
 132
 133         int y = first_y;
 134         Row * cursorrow = cursor.row();
 135
 136         setCursorFromCoordinates(bv, cursor.x_fix(), y);
 137         finishUndo();
 138
 139         int new_y;
 140         if (cursorrow == bv->text->cursor.row()) {
 141                 // we have a row which is higher than the workarea so we leave the
 142                 // cursor on the start of the row and move only the draw up as soon
 143                 // as we move the cursor or do something while inside the row (it may
 144                 // span several workarea-heights) we'll move to the top again, but this
 145                 // is better than just jump down and only display part of the row.
 146                 new_y = bv->text->first_y - bv->workarea().workHeight();
 147         } else {
 148                 if (inset_owner) {
 149                         new_y = bv->text->cursor.iy()
 150                                 + bv->theLockingInset()->insetInInsetY() + y
 151                                 + cursor.row()->height()
 152                                 - bv->workarea().workHeight() + 1;
 153                 } else {
 154                         new_y = cursor.y()
 155                                 - cursor.row()->baseline()
 156                                 + cursor.row()->height()
 157                                 - bv->workarea().workHeight() + 1;
 158                 }
 159         }
 160         bv->screen().draw(bv->text, bv, new_y < 0 ? 0 : new_y);
 161         if (cursor.row()->previous()) {
 162                 LyXCursor cur;
 163                 setCursor(bv, cur, cursor.row()->previous()->par(),
 164                                                 cursor.row()->previous()->pos(), false);
 165                 if (cur.y() > first_y) {
 166                         cursorUp(bv, true);
 167                 }
 168         }
 169         bv->updateScrollbar();
 170 }
 171
 172
 173 void LyXText::cursorNext(BufferView * bv)
 174 {
 175         if (!cursor.row()->next()) {
 176                 int y = cursor.y() - cursor.row()->baseline() +
 177                         cursor.row()->height();
 178                 if (y > int(first_y + bv->workarea().workHeight())) {
 179                         bv->screen().draw(bv->text, bv,
 180                                                   bv->text->first_y + bv->workarea().workHeight());
 181                         bv->updateScrollbar();
 182                 }
 183                 return;
 184         }
 185
 186         int y = first_y + bv->workarea().workHeight();
 187         if (inset_owner && !first_y) {
 188                 y -= (bv->text->cursor.iy()
 189                           - bv->text->first_y
 190                           + bv->theLockingInset()->insetInInsetY());
 191         }
 192
 193         getRowNearY(y);
 194
 195         Row * cursorrow = cursor.row();
 196         setCursorFromCoordinates(bv, cursor.x_fix(), y);
 197         // + workarea().workHeight());
 198         finishUndo();
 199
 200         int new_y;
 201         if (cursorrow == bv->text->cursor.row()) {
 202                 // we have a row which is higher than the workarea so we leave the
 203                 // cursor on the start of the row and move only the draw down as soon
 204                 // as we move the cursor or do something while inside the row (it may
 205                 // span several workarea-heights) we'll move to the top again, but this
 206                 // is better than just jump down and only display part of the row.
 207                 new_y = bv->text->first_y + bv->workarea().workHeight();
 208         } else {
 209                 if (inset_owner) {
 210                         new_y = bv->text->cursor.iy()
 211                                 + bv->theLockingInset()->insetInInsetY()
 212                                 + y - cursor.row()->baseline();
 213                 } else {
 214                         new_y =  cursor.y() - cursor.row()->baseline();
 215                 }
 216         }
 217         bv->screen().draw(bv->text, bv, new_y);
 218         if (cursor.row()->next()) {
 219                 LyXCursor cur;
 220                 setCursor(bv, cur, cursor.row()->next()->par(),
 221                                                 cursor.row()->next()->pos(), false);
 222                 if (cur.y() < int(first_y + bv->workarea().workHeight())) {
 223                         cursorDown(bv, true);
 224                 }
 225         }
 226         bv->updateScrollbar();
 227 }
 228
 229
 230 void LyXText::update(BufferView * bv, bool changed)
 231 {
 232         BufferView::UpdateCodes c = BufferView::SELECT | BufferView::FITCUR;
 233         if (changed)
 234                 bv->update(this, c | BufferView::CHANGE);
 235         else
 236                 bv->update(this, c);
 237 }
 238
 239
 240 void specialChar(LyXText * lt, BufferView * bv, InsetSpecialChar::Kind kind)
 241 {
 242         bv->hideCursor();
 243         lt->update(bv);
 244         InsetSpecialChar * new_inset = new InsetSpecialChar(kind);
 245         if (!bv->insertInset(new_inset))
 246                 delete new_inset;
 247         else
 248                 bv->updateInset(new_inset, true);
 249 }
 250
 251
 252 Inset::RESULT LyXText::dispatch(FuncRequest const & cmd)
 253 {
 254         lyxerr[Debug::ACTION] << "LyXFunc::dispatch: action[" << cmd.action
 255                               <<"] arg[" << cmd.argument << "]" << endl;
 256
 257         BufferView * bv = cmd.view();
 258
 259         switch (cmd.action) {
 260
 261         case LFUN_APPENDIX: {
 262                 Paragraph * par = cursor.par();
 263                 bool start = !par->params().startOfAppendix();
 264
 265                 // ensure that we have only one start_of_appendix in this document
 266                 Paragraph * tmp = ownerParagraph();
 267                 for (; tmp; tmp = tmp->next())
 268                         tmp->params().startOfAppendix(false);
 269
 270                 par->params().startOfAppendix(start);
 271
 272                 // we can set the refreshing parameters now
 273                 status(cmd.view(), LyXText::NEED_MORE_REFRESH);
 274                 refresh_y = 0;
 275                 refresh_row = 0; // not needed for full update
 276                 updateCounters(cmd.view());
 277                 setCursor(cmd.view(), cursor.par(), cursor.pos());
 278                 update(bv);
 279                 break;
 280         }
 281
 282         case LFUN_DELETE_WORD_FORWARD:
 283                 bv->beforeChange(this);
 284                 update(bv, false);
 285                 deleteWordForward(bv);
 286                 update(bv);
 287                 finishChange(bv);
 288                 break;
 289
 290         case LFUN_DELETE_WORD_BACKWARD:
 291                 bv->beforeChange(this);
 292                 update(bv, false);
 293                 deleteWordBackward(bv);
 294                 update(bv, true);
 295                 finishChange(bv);
 296                 break;
 297
 298         case LFUN_DELETE_LINE_FORWARD:
 299                 bv->beforeChange(this);
 300                 update(bv, false);
 301                 deleteLineForward(bv);
 302                 update(bv);
 303                 finishChange(bv);
 304                 break;
 305
 306         case LFUN_SHIFT_TAB:
 307         case LFUN_TAB:
 308                 if (!selection.mark())
 309                         bv->beforeChange(this);
 310                 update(bv, false);
 311                 cursorTab(bv);
 312                 finishChange(bv);
 313                 break;
 314
 315         case LFUN_WORDRIGHT:
 316                 if (!selection.mark())
 317                         bv->beforeChange(this);
 318                 update(bv, false);
 319                 if (cursor.par()->isRightToLeftPar(bv->buffer()->params))
 320                         cursorLeftOneWord(bv);
 321                 else
 322                         cursorRightOneWord(bv);
 323                 finishChange(bv);
 324                 break;
 325
 326         case LFUN_WORDLEFT:
 327                 if (!selection.mark())
 328                         bv->beforeChange(this);
 329                 update(bv, false);
 330                 if (cursor.par()->isRightToLeftPar(bv->buffer()->params))
 331                         cursorRightOneWord(bv);
 332                 else
 333                         cursorLeftOneWord(bv);
 334                 finishChange(bv);
 335                 break;
 336
 337         case LFUN_BEGINNINGBUF:
 338                 if (!selection.mark())
 339                         bv->beforeChange(this);
 340                 update(bv, false);
 341                 cursorTop(bv);
 342                 finishChange(bv);
 343                 break;
 344
 345         case LFUN_ENDBUF:
 346                 if (selection.mark())
 347                         bv->beforeChange(this);
 348                 update(bv, false);
 349                 cursorBottom(bv);
 350                 finishChange(bv);
 351                 break;
 352
 353         case LFUN_RIGHTSEL:
 354                 update(bv, false);
 355                 if (cursor.par()->isRightToLeftPar(bv->buffer()->params))
 356                         cursorLeft(bv);
 357                 else
 358                         cursorRight(bv);
 359                 finishChange(bv, true);
 360                 break;
 361
 362         case LFUN_LEFTSEL:
 363                 update(bv, false);
 364                 if (cursor.par()->isRightToLeftPar(bv->buffer()->params))
 365                         cursorRight(bv);
 366                 else
 367                         cursorLeft(bv);
 368                 finishChange(bv, true);
 369                 break;
 370
 371         case LFUN_UPSEL:
 372                 update(bv, false);
 373                 cursorUp(bv, true);
 374                 finishChange(bv, true);
 375                 break;
 376
 377         case LFUN_DOWNSEL:
 378                 update(bv, false);
 379                 cursorDown(bv, true);
 380                 finishChange(bv, true);
 381                 break;
 382
 383         case LFUN_UP_PARAGRAPHSEL:
 384                 update(bv, false);
 385                 cursorUpParagraph(bv);
 386                 finishChange(bv, true);
 387                 break;
 388
 389         case LFUN_DOWN_PARAGRAPHSEL:
 390                 update(bv, false);
 391                 cursorDownParagraph(bv);
 392                 finishChange(bv, true);
 393                 break;
 394
 395         case LFUN_PRIORSEL:
 396                 update(bv, false);
 397                 cursorPrevious(bv);
 398                 finishChange(bv, true);
 399                 break;
 400
 401         case LFUN_NEXTSEL:
 402                 update(bv, false);
 403                 cursorNext(bv);
 404                 finishChange(bv, true);
 405                 break;
 406
 407         case LFUN_HOMESEL:
 408                 update(bv, false);
 409                 cursorHome(bv);
 410                 finishChange(bv, true);
 411                 break;
 412
 413         case LFUN_ENDSEL:
 414                 update(bv, false);
 415                 cursorEnd(bv);
 416                 finishChange(bv, true);
 417                 break;
 418
 419         case LFUN_WORDRIGHTSEL:
 420                 update(bv, false);
 421                 if (cursor.par()->isRightToLeftPar(bv->buffer()->params))
 422                         cursorLeftOneWord(bv);
 423                 else
 424                         cursorRightOneWord(bv);
 425                 finishChange(bv, true);
 426                 break;
 427
 428         case LFUN_WORDLEFTSEL:
 429                 update(bv, false);
 430                 if (cursor.par()->isRightToLeftPar(bv->buffer()->params))
 431                         cursorRightOneWord(bv);
 432                 else
 433                         cursorLeftOneWord(bv);
 434                 finishChange(bv, true);
 435                 break;
 436
 437         case LFUN_RIGHT: {
 438                 bool is_rtl = cursor.par()->isRightToLeftPar(bv->buffer()->params);
 439                 if (!selection.mark())
 440                         bv->beforeChange(this);
 441                 update(bv);
 442                 if (is_rtl)
 443                         cursorLeft(bv, false);
 444                 if (cursor.pos() < cursor.par()->size()
 445                     && cursor.par()->isInset(cursor.pos())
 446                     && isHighlyEditableInset(cursor.par()->getInset(cursor.pos()))) {
 447                         Inset * tmpinset = cursor.par()->getInset(cursor.pos());
 448                         cmd.message(tmpinset->editMessage());
 449                         tmpinset->edit(bv, !is_rtl);
 450                         break;
 451                 }
 452                 if (!is_rtl)
 453                         cursorRight(bv, false);
 454                 finishChange(bv);
 455                 break;
 456         }
 457
 458         case LFUN_LEFT: {
 459                 // This is soooo ugly. Isn`t it possible to make
 460                 // it simpler? (Lgb)
 461                 bool const is_rtl = cursor.par()->isRightToLeftPar(bv->buffer()->params);
 462                 if (!selection.mark())
 463                         bv->beforeChange(this);
 464                 update(bv);
 465                 LyXCursor const cur = cursor;
 466                 if (!is_rtl)
 467                         cursorLeft(bv, false);
 468                 if ((is_rtl || cur != cursor) && // only if really moved!
 469                     cursor.pos() < cursor.par()->size() &&
 470                     cursor.par()->isInset(cursor.pos()) &&
 471                     isHighlyEditableInset(cursor.par()->getInset(cursor.pos()))) {
 472                         Inset * tmpinset = cursor.par()->getInset(cursor.pos());
 473                         cmd.message(tmpinset->editMessage());
 474                         tmpinset->edit(bv, is_rtl);
 475                         break;
 476                 }
 477                 if (is_rtl)
 478                         cursorRight(bv, false);
 479                 finishChange(bv);
 480                 break;
 481         }
 482
 483         case LFUN_UP:
 484                 if (!selection.mark())
 485                         bv->beforeChange(this);
 486                 bv->update(this, BufferView::UPDATE);
 487                 cursorUp(bv);
 488                 finishChange(bv);
 489                 break;
 490
 491         case LFUN_DOWN:
 492                 if (!selection.mark())
 493                         bv->beforeChange(this);
 494                 bv->update(this, BufferView::UPDATE);
 495                 cursorDown(bv);
 496                 finishChange(bv);
 497                 break;
 498
 499         case LFUN_UP_PARAGRAPH:
 500                 if (!selection.mark())
 501                         bv->beforeChange(this);
 502                 bv->update(this, BufferView::UPDATE);
 503                 cursorUpParagraph(bv);
 504                 finishChange(bv);
 505                 break;
 506
 507         case LFUN_DOWN_PARAGRAPH:
 508                 if (!selection.mark())
 509                         bv->beforeChange(this);
 510                 bv->update(this, BufferView::UPDATE);
 511                 cursorDownParagraph(bv);
 512                 finishChange(bv, false);
 513                 break;
 514
 515         case LFUN_PRIOR:
 516                 if (!selection.mark())
 517                         bv->beforeChange(this);
 518                 bv->update(this, BufferView::UPDATE);
 519                 cursorPrevious(bv);
 520                 finishChange(bv, false);
 521                 // was:
 522                 // finishUndo();
 523                 // moveCursorUpdate(false, false);
 524                 // owner_->view_state_changed();
 525                 break;
 526
 527         case LFUN_NEXT:
 528                 if (!selection.mark())
 529                         bv->beforeChange(this);
 530                 bv->update(this, BufferView::UPDATE);
 531                 cursorNext(bv);
 532                 finishChange(bv, false);
 533                 break;
 534
 535         case LFUN_HOME:
 536                 if (!selection.mark())
 537                         bv->beforeChange(this);
 538                 update(bv);
 539                 cursorHome(bv);
 540                 finishChange(bv, false);
 541                 break;
 542
 543         case LFUN_END:
 544                 if (!selection.mark())
 545                         bv->beforeChange(this);
 546                 update(bv);
 547                 cursorEnd(bv);
 548                 finishChange(bv, false);
 549                 break;
 550
 551         case LFUN_BREAKLINE:
 552                 bv->beforeChange(this);
 553                 insertChar(bv, Paragraph::META_NEWLINE);
 554                 update(bv, true);
 555                 setCursor(bv, cursor.par(), cursor.pos());
 556                 bv->moveCursorUpdate(false);
 557                 break;
 558
 559         case LFUN_DELETE:
 560                 if (!selection.set()) {
 561                         Delete(bv);
 562                         selection.cursor = cursor;
 563                         update(bv);
 564                         // It is possible to make it a lot faster still
 565                         // just comment out the line below...
 566                         bv->showCursor();
 567                 } else {
 568                         update(bv, false);
 569                         cutSelection(bv, true);
 570                         update(bv);
 571                 }
 572                 bv->moveCursorUpdate(false);
 573                 bv->owner()->view_state_changed();
 574                 bv->switchKeyMap();
 575                 break;
 576
 577         case LFUN_DELETE_SKIP:
 578                 // Reverse the effect of LFUN_BREAKPARAGRAPH_SKIP.
 579                 if (!selection.set()) {
 580                         LyXCursor cur = cursor;
 581                         if (cur.pos() == cur.par()->size()) {
 582                                 cursorRight(bv);
 583                                 cur = cursor;
 584                                 if (cur.pos() == 0
 585                                     && !(cur.par()->params().spaceTop()
 586                                          == VSpace (VSpace::NONE))) {
 587                                         setParagraph(bv,
 588                                                  cur.par()->params().lineTop(),
 589                                                  cur.par()->params().lineBottom(),
 590                                                  cur.par()->params().pagebreakTop(),
 591                                                  cur.par()->params().pagebreakBottom(),
 592                                                  VSpace(VSpace::NONE),
 593                                                  cur.par()->params().spaceBottom(),
 594                                                  cur.par()->params().spacing(),
 595                                                  cur.par()->params().align(),
 596                                                  cur.par()->params().labelWidthString(), 0);
 597                                         cursorLeft(bv);
 598                                         update(bv);
 599                                 } else {
 600                                         cursorLeft(bv);
 601                                         Delete(bv);
 602                                         selection.cursor = cursor;
 603                                 }
 604                         } else {
 605                                 Delete(bv);
 606                                 selection.cursor = cursor;
 607                         }
 608                 } else {
 609                         update(bv, false);
 610                         cutSelection(bv, true);
 611                 }
 612                 update(bv);
 613                 break;
 614
 615
 616         case LFUN_BACKSPACE:
 617                 if (!selection.set()) {
 618                         if (bv->owner()->getIntl().getTransManager().backspace()) {
 619                                 backspace(bv);
 620                                 selection.cursor = cursor;
 621                                 update(bv);
 622                                 // It is possible to make it a lot faster still
 623                                 // just comment out the line below...
 624                                 bv->showCursor();
 625                         }
 626                 } else {
 627                         update(bv, false);
 628                         cutSelection(bv, true);
 629                         update(bv);
 630                 }
 631                 bv->owner()->view_state_changed();
 632                 bv->switchKeyMap();
 633                 break;
 634
 635         case LFUN_BACKSPACE_SKIP:
 636                 // Reverse the effect of LFUN_BREAKPARAGRAPH_SKIP.
 637                 if (!selection.set()) {
 638                         LyXCursor cur = cursor;
 639                         if (cur.pos() == 0
 640                             && !(cur.par()->params().spaceTop()
 641                                  == VSpace (VSpace::NONE))) {
 642                                 setParagraph(bv,
 643                                          cur.par()->params().lineTop(),
 644                                          cur.par()->params().lineBottom(),
 645                                          cur.par()->params().pagebreakTop(),
 646                                          cur.par()->params().pagebreakBottom(),
 647                                          VSpace(VSpace::NONE), cur.par()->params().spaceBottom(),
 648                                          cur.par()->params().spacing(),
 649                                          cur.par()->params().align(),
 650                                          cur.par()->params().labelWidthString(), 0);
 651                         } else {
 652                                 backspace(bv);
 653                                 selection.cursor = cur;
 654                         }
 655                 } else {
 656                         update(bv, false);
 657                         cutSelection(bv, true);
 658                 }
 659                 update(bv);
 660                 break;
 661
 662         case LFUN_BREAKPARAGRAPH:
 663                 bv->beforeChange(this);
 664                 breakParagraph(bv, 0);
 665                 update(bv);
 666                 selection.cursor = cursor;
 667                 bv->switchKeyMap();
 668                 bv->owner()->view_state_changed();
 669                 break;
 670
 671         case LFUN_BREAKPARAGRAPHKEEPLAYOUT:
 672                 bv->beforeChange(this);
 673                 breakParagraph(bv, 1);
 674                 update(bv);
 675                 selection.cursor = cursor;
 676                 bv->switchKeyMap();
 677                 bv->owner()->view_state_changed();
 678                 break;
 679
 680         case LFUN_BREAKPARAGRAPH_SKIP: {
 681                 // When at the beginning of a paragraph, remove
 682                 // indentation and add a "defskip" at the top.
 683                 // Otherwise, do the same as LFUN_BREAKPARAGRAPH.
 684                 LyXCursor cur = cursor;
 685                 bv->beforeChange(this);
 686                 if (cur.pos() == 0) {
 687                         if (cur.par()->params().spaceTop() == VSpace(VSpace::NONE)) {
 688                                 setParagraph(bv,
 689                                          cur.par()->params().lineTop(),
 690                                          cur.par()->params().lineBottom(),
 691                                          cur.par()->params().pagebreakTop(),
 692                                          cur.par()->params().pagebreakBottom(),
 693                                          VSpace(VSpace::DEFSKIP), cur.par()->params().spaceBottom(),
 694                                          cur.par()->params().spacing(),
 695                                          cur.par()->params().align(),
 696                                          cur.par()->params().labelWidthString(), 1);
 697                                 //update(bv);
 698                         }
 699                 }
 700                 else {
 701                         breakParagraph(bv, 0);
 702                         //update(bv);
 703                 }
 704                 update(bv);
 705                 selection.cursor = cur;
 706                 bv->switchKeyMap();
 707                 bv->owner()->view_state_changed();
 708                 break;
 709         }
 710
 711         case LFUN_PARAGRAPH_SPACING: {
 712                 Paragraph * par = cursor.par();
 713                 Spacing::Space cur_spacing = par->params().spacing().getSpace();
 714                 float cur_value = 1.0;
 715                 if (cur_spacing == Spacing::Other)
 716                         cur_value = par->params().spacing().getValue();
 717
 718                 istringstream is(cmd.argument.c_str());
 719                 string tmp;
 720                 is >> tmp;
 721                 Spacing::Space new_spacing = cur_spacing;
 722                 float new_value = cur_value;
 723                 if (tmp.empty()) {
 724                         lyxerr << "Missing argument to `paragraph-spacing'"
 725                                << endl;
 726                 } else if (tmp == "single") {
 727                         new_spacing = Spacing::Single;
 728                 } else if (tmp == "onehalf") {
 729                         new_spacing = Spacing::Onehalf;
 730                 } else if (tmp == "double") {
 731                         new_spacing = Spacing::Double;
 732                 } else if (tmp == "other") {
 733                         new_spacing = Spacing::Other;
 734                         float tmpval = 0.0;
 735                         is >> tmpval;
 736                         lyxerr << "new_value = " << tmpval << endl;
 737                         if (tmpval != 0.0)
 738                                 new_value = tmpval;
 739                 } else if (tmp == "default") {
 740                         new_spacing = Spacing::Default;
 741                 } else {
 742                         lyxerr << _("Unknown spacing argument: ")
 743                                << cmd.argument << endl;
 744                 }
 745                 if (cur_spacing != new_spacing || cur_value != new_value) {
 746                         par->params().spacing(Spacing(new_spacing, new_value));
 747                         redoParagraph(bv);
 748                         update(bv);
 749                 }
 750                 break;
 751         }
 752
 753         case LFUN_INSET_TOGGLE:
 754                 bv->hideCursor();
 755                 bv->beforeChange(this);
 756                 update(bv, false);
 757                 toggleInset(bv);
 758                 update(bv, false);
 759                 bv->switchKeyMap();
 760                 break;
 761
 762         case LFUN_PROTECTEDSPACE:
 763                 if (cursor.par()->layout()->free_spacing) {
 764                         insertChar(bv, ' ');
 765                         update(bv);
 766                 } else {
 767                         specialChar(this, bv, InsetSpecialChar::PROTECTED_SEPARATOR);
 768                 }
 769                 bv->moveCursorUpdate(false);
 770                 break;
 771
 772         case LFUN_HYPHENATION:
 773                 specialChar(this, bv, InsetSpecialChar::HYPHENATION);
 774                 break;
 775
 776         case LFUN_LIGATURE_BREAK:
 777                 specialChar(this, bv, InsetSpecialChar::LIGATURE_BREAK);
 778                 break;
 779
 780         case LFUN_LDOTS:
 781                 specialChar(this, bv, InsetSpecialChar::LDOTS);
 782                 break;
 783
 784         case LFUN_HFILL:
 785                 bv->hideCursor();
 786                 update(bv, false);
 787                 insertChar(bv, Paragraph::META_HFILL);
 788                 update(bv);
 789                 break;
 790
 791         case LFUN_END_OF_SENTENCE:
 792                 specialChar(this, bv, InsetSpecialChar::END_OF_SENTENCE);
 793                 break;
 794
 795         case LFUN_MENU_SEPARATOR:
 796                 specialChar(this, bv, InsetSpecialChar::MENU_SEPARATOR);
 797                 break;
 798
 799         case LFUN_MARK_OFF:
 800                 bv->beforeChange(this);
 801                 update(bv, false);
 802                 selection.cursor = cursor;
 803                 cmd.message(N_("Mark off"));
 804                 break;
 805
 806         case LFUN_MARK_ON:
 807                 bv->beforeChange(this);
 808                 selection.mark(true);
 809                 update(bv, false);
 810                 selection.cursor = cursor;
 811                 cmd.message(N_("Mark on"));
 812                 break;
 813
 814         case LFUN_SETMARK:
 815                 bv->beforeChange(this);
 816                 if (selection.mark()) {
 817                         update(bv);
 818                         cmd.message(N_("Mark removed"));
 819                 } else {
 820                         selection.mark(true);
 821                         update(bv);
 822                         cmd.message(N_("Mark set"));
 823                 }
 824                 selection.cursor = cursor;
 825                 break;
 826
 827         case LFUN_UPCASE_WORD:
 828                 update(bv, false);
 829                 changeCase(bv, LyXText::text_uppercase);
 830                 if (inset_owner)
 831                         bv->updateInset(inset_owner, true);
 832                 update(bv);
 833                 break;
 834
 835         case LFUN_LOWCASE_WORD:
 836                 update(bv, false);
 837                 changeCase(bv, LyXText::text_lowercase);
 838                 if (inset_owner)
 839                         bv->updateInset(inset_owner, true);
 840                 update(bv);
 841                 break;
 842
 843         case LFUN_CAPITALIZE_WORD:
 844                 update(bv, false);
 845                 changeCase(bv, LyXText::text_capitalization);
 846                 if (inset_owner)
 847                         bv->updateInset(inset_owner, true);
 848                 update(bv);
 849                 break;
 850
 851         case LFUN_TRANSPOSE_CHARS:
 852                 update(bv, false);
 853                 transposeChars(*bv);
 854                 if (inset_owner)
 855                         bv->updateInset(inset_owner, true);
 856                 update(bv);
 857                 break;
 858
 859         case LFUN_PASTE:
 860                 cmd.message(_("Paste"));
 861                 bv->hideCursor();
 862                 // clear the selection
 863                 bv->toggleSelection();
 864                 clearSelection();
 865                 update(bv, false);
 866                 pasteSelection(bv);
 867                 clearSelection(); // bug 393
 868                 update(bv, false);
 869                 update(bv);
 870                 bv->switchKeyMap();
 871                 break;
 872
 873         case LFUN_CUT:
 874                 bv->hideCursor();
 875                 update(bv, false);
 876                 cutSelection(bv, true);
 877                 update(bv);
 878                 cmd.message(_("Cut"));
 879                 break;
 880
 881         case LFUN_COPY:
 882                 copySelection(bv);
 883                 cmd.message(_("Copy"));
 884                 break;
 885
 886         case LFUN_BEGINNINGBUFSEL:
 887                 if (inset_owner)
 888                         return Inset::UNDISPATCHED;
 889                 update(bv, false);
 890                 cursorTop(bv);
 891                 finishChange(bv, true);
 892                 break;
 893
 894         case LFUN_ENDBUFSEL:
 895                 if (inset_owner)
 896                         return Inset::UNDISPATCHED;
 897                 update(bv, false);
 898                 cursorBottom(bv);
 899                 finishChange(bv, true);
 900                 break;
 901
 902         case LFUN_GETXY:
 903                 cmd.message(tostr(cursor.x()) + ' ' + tostr(cursor.y()));
 904                 break;
 905
 906         case LFUN_SETXY: {
 907                 int x = 0;
 908                 int y = 0;
 909                 istringstream is(cmd.argument.c_str());
 910                 is >> x >> y;
 911                 if (!is)
 912                         lyxerr << "SETXY: Could not parse coordinates in '"
 913                                << cmd.argument << std::endl;
 914                 else
 915                         setCursorFromCoordinates(bv, x, y);
 916                 break;
 917         }
 918
 919         case LFUN_GETFONT:
 920                 if (current_font.shape() == LyXFont::ITALIC_SHAPE)
 921                         cmd.message("E");
 922                 else if (current_font.shape() == LyXFont::SMALLCAPS_SHAPE)
 923                         cmd.message("N");
 924                 else
 925                         cmd.message("0");
 926                 break;
 927
 928         case LFUN_GETLAYOUT:
 929                 cmd.message(tostr(cursor.par()->layout()));
 930                 break;
 931
 932         case LFUN_LAYOUT: {
 933                 lyxerr[Debug::INFO] << "LFUN_LAYOUT: (arg) "
 934                   << cmd.argument << endl;
 935
 936                 // This is not the good solution to the empty argument
 937                 // problem, but it will hopefully suffice for 1.2.0.
 938                 // The correct solution would be to augument the
 939                 // function list/array with information about what
 940                 // functions needs arguments and their type.
 941                 if (cmd.argument.empty()) {
 942                         cmd.errorMessage(_("LyX function 'layout' needs an argument."));
 943                         break;
 944                 }
 945
 946                 // Derive layout number from given argument (string)
 947                 // and current buffer's textclass (number)
 948                 LyXTextClass const & tclass = bv->buffer()->params.getLyXTextClass();
 949                 bool hasLayout = tclass.hasLayout(cmd.argument);
 950                 string layout = cmd.argument;
 951
 952                 // If the entry is obsolete, use the new one instead.
 953                 if (hasLayout) {
 954                         string const & obs = tclass[layout]->obsoleted_by();
 955                         if (!obs.empty())
 956                                 layout = obs;
 957                 }
 958
 959                 if (!hasLayout) {
 960                         cmd.errorMessage(string(N_("Layout ")) + cmd.argument +
 961                                 N_(" not known"));
 962                         break;
 963                 }
 964
 965                 bool change_layout = (current_layout != layout);
 966                 if (!change_layout && selection.set() &&
 967                         selection.start.par() != selection.end.par())
 968                 {
 969                         Paragraph * spar = selection.start.par();
 970                         Paragraph * epar = selection.end.par()->next();
 971                         while (spar != epar) {
 972                                 if (spar->layout()->name() != current_layout) {
 973                                         change_layout = true;
 974                                         break;
 975                                 }
 976                         }
 977                 }
 978                 if (change_layout) {
 979                         bv->hideCursor();
 980                         current_layout = layout;
 981                         update(bv, false);
 982                         setLayout(bv, layout);
 983                         bv->owner()->setLayout(layout);
 984                         update(bv);
 985                         bv->switchKeyMap();
 986                 }
 987                 break;
 988         }
 989
 990         case LFUN_PASTESELECTION: {
 991                 if (!bv->buffer())
 992                         break;
 993                 bv->hideCursor();
 994                 // this was originally a beforeChange(bv->text), i.e
 995                 // the outermost LyXText!
 996                 bv->beforeChange(this);
 997                 string const clip(bv->workarea().getClipboard());
 998                 if (!clip.empty()) {
 999                         if (cmd.argument == "paragraph")
1000                                 insertStringAsParagraphs(bv, clip);
1001                         else
1002                                 insertStringAsLines(bv, clip);
1003                         clearSelection();
1004                         update(bv);
1005                 }
1006                 break;
1007         }
1008
1009         case LFUN_GOTOERROR:
1010                 gotoInset(bv, Inset::ERROR_CODE, false);
1011                 break;
1012
1013         case LFUN_GOTONOTE:
1014                 gotoInset(bv, Inset::NOTE_CODE, false);
1015                 break;
1016
1017         case LFUN_REFERENCE_GOTO:
1018         {
1019                 vector<Inset::Code> tmp;
1020                 tmp.push_back(Inset::LABEL_CODE);
1021                 tmp.push_back(Inset::REF_CODE);
1022                 gotoInset(bv, tmp, true);
1023                 break;
1024         }
1025
1026         case LFUN_QUOTE: {
1027                 Paragraph const * par = cursor.par();
1028                 lyx::pos_type pos = cursor.pos();
1029                 char c;
1030
1031                 if (!pos)
1032                         c = ' ';
1033                 else if (par->isInset(pos - 1) && par->getInset(pos - 1)->isSpace())
1034                         c = ' ';
1035                 else
1036                         c = par->getChar(pos - 1);
1037
1038                 bv->hideCursor();
1039                 LyXLayout_ptr const & style = par->layout();
1040
1041                 if (style->pass_thru ||
1042                                 par->getFontSettings(bv->buffer()->params,
1043                                          pos).language()->lang() == "hebrew" ||
1044                         (!bv->insertInset(new InsetQuotes(c, bv->buffer()->params))))
1045                         bv->owner()->dispatch(FuncRequest(LFUN_SELFINSERT, "\""));
1046                 break;
1047         }
1048
1049         case LFUN_SELFINSERT: {
1050                 if (cmd.argument.empty())
1051                         break;
1052
1053                 // Automatically delete the currently selected
1054                 // text and replace it with what is being
1055                 // typed in now. Depends on lyxrc settings
1056                 // "auto_region_delete", which defaults to
1057                 // true (on).
1058
1059                 if (lyxrc.auto_region_delete) {
1060                         if (selection.set()) {
1061                                 cutSelection(bv, false, false);
1062                                 update(bv);
1063                         }
1064                         bv->workarea().haveSelection(false);
1065                 }
1066
1067                 bv->beforeChange(this);
1068                 LyXFont const old_font(real_current_font);
1069
1070                 string::const_iterator cit = cmd.argument.begin();
1071                 string::const_iterator end = cmd.argument.end();
1072                 for (; cit != end; ++cit)
1073                         bv->owner()->getIntl().getTransManager().
1074                                 TranslateAndInsert(*cit, this);
1075
1076                 update(bv);
1077                 selection.cursor = cursor;
1078                 bv->moveCursorUpdate(false);
1079
1080                 // real_current_font.number can change so we need to
1081                 // update the minibuffer
1082                 if (old_font != real_current_font)
1083                         bv->owner()->view_state_changed();
1084                 break;
1085         }
1086
1087         default:
1088                 return Inset::UNDISPATCHED;
1089         }
1090
1091         return Inset::DISPATCHED;
1092 }