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