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 #include <ctime>
  37 #include <clocale>
  38
  39 using std::endl;
  40
  41 extern string current_layout;
  42
  43 namespace {
  44
  45         void finishChange(BufferView * bv, bool fitcur = false)
  46         {
  47                 finishUndo();
  48                 bv->moveCursorUpdate(fitcur);
  49                 bv->owner()->view_state_changed();
  50         }
  51
  52 }
  53
  54
  55 bool LyXText::gotoNextInset(BufferView * bv,
  56         vector<Inset::Code> const & codes, string const & contents) const
  57 {
  58         LyXCursor res = cursor;
  59         Inset * inset;
  60         do {
  61                 if (res.pos() < res.par()->size() - 1) {
  62                         res.pos(res.pos() + 1);
  63                 } else  {
  64                         res.par(res.par()->next());
  65                         res.pos(0);
  66                 }
  67
  68         } while (res.par() &&
  69                  !(res.par()->isInset(res.pos())
  70                    && (inset = res.par()->getInset(res.pos())) != 0
  71                    && find(codes.begin(), codes.end(), inset->lyxCode())
  72                    != codes.end()
  73                    && (contents.empty() ||
  74                        static_cast<InsetCommand *>(
  75                                                         res.par()->getInset(res.pos()))->getContents()
  76                        == contents)));
  77
  78         if (res.par()) {
  79                 setCursor(bv, res.par(), res.pos(), false);
  80                 return true;
  81         }
  82         return false;
  83 }
  84
  85
  86 void LyXText::gotoInset(BufferView * bv, vector<Inset::Code> const & codes,
  87                                   bool same_content)
  88 {
  89         bv->hideCursor();
  90         bv->beforeChange(this);
  91         update(bv, false);
  92
  93         string contents;
  94         if (same_content && cursor.par()->isInset(cursor.pos())) {
  95                 Inset const * inset = cursor.par()->getInset(cursor.pos());
  96                 if (find(codes.begin(), codes.end(), inset->lyxCode())
  97                     != codes.end())
  98                         contents = static_cast<InsetCommand const *>(inset)->getContents();
  99         }
 100
 101         if (!gotoNextInset(bv, codes, contents)) {
 102                 if (cursor.pos() || cursor.par() != ownerParagraph()) {
 103                         LyXCursor tmp = cursor;
 104                         cursor.par(ownerParagraph());
 105                         cursor.pos(0);
 106                         if (!gotoNextInset(bv, codes, contents)) {
 107                                 cursor = tmp;
 108                                 bv->owner()->message(_("No more insets"));
 109                         }
 110                 } else {
 111                         bv->owner()->message(_("No more insets"));
 112                 }
 113         }
 114         update(bv, false);
 115         selection.cursor = cursor;
 116 }
 117
 118
 119 void LyXText::gotoInset(BufferView * bv, Inset::Code code, bool same_content)
 120 {
 121         gotoInset(bv, vector<Inset::Code>(1, code), same_content);
 122 }
 123
 124
 125 void LyXText::cursorPrevious(BufferView * bv)
 126 {
 127         if (!cursor.row()->previous()) {
 128                 if (first_y > 0) {
 129                         int new_y = bv->text->first_y - bv->workarea().workHeight();
 130                         bv->screen().draw(bv->text, bv, new_y < 0 ? 0 : new_y);
 131                         bv->updateScrollbar();
 132                 }
 133                 return;
 134         }
 135
 136         int y = first_y;
 137         Row * cursorrow = cursor.row();
 138
 139         setCursorFromCoordinates(bv, cursor.x_fix(), y);
 140         finishUndo();
 141
 142         int new_y;
 143         if (cursorrow == bv->text->cursor.row()) {
 144                 // we have a row which is higher than the workarea so we leave the
 145                 // cursor on the start of the row and move only the draw up as soon
 146                 // as we move the cursor or do something while inside the row (it may
 147                 // span several workarea-heights) we'll move to the top again, but this
 148                 // is better than just jump down and only display part of the row.
 149                 new_y = bv->text->first_y - bv->workarea().workHeight();
 150         } else {
 151                 if (inset_owner) {
 152                         new_y = bv->text->cursor.iy()
 153                                 + bv->theLockingInset()->insetInInsetY() + y
 154                                 + cursor.row()->height()
 155                                 - bv->workarea().workHeight() + 1;
 156                 } else {
 157                         new_y = cursor.y()
 158                                 - cursor.row()->baseline()
 159                                 + cursor.row()->height()
 160                                 - bv->workarea().workHeight() + 1;
 161                 }
 162         }
 163         bv->screen().draw(bv->text, bv, new_y < 0 ? 0 : new_y);
 164         if (cursor.row()->previous()) {
 165                 LyXCursor cur;
 166                 setCursor(bv, cur, cursor.row()->previous()->par(),
 167                                                 cursor.row()->previous()->pos(), false);
 168                 if (cur.y() > first_y) {
 169                         cursorUp(bv, true);
 170                 }
 171         }
 172         bv->updateScrollbar();
 173 }
 174
 175
 176 void LyXText::cursorNext(BufferView * bv)
 177 {
 178         if (!cursor.row()->next()) {
 179                 int y = cursor.y() - cursor.row()->baseline() +
 180                         cursor.row()->height();
 181                 if (y > int(first_y + bv->workarea().workHeight())) {
 182                         bv->screen().draw(bv->text, bv,
 183                                                   bv->text->first_y + bv->workarea().workHeight());
 184                         bv->updateScrollbar();
 185                 }
 186                 return;
 187         }
 188
 189         int y = first_y + bv->workarea().workHeight();
 190         if (inset_owner && !first_y) {
 191                 y -= (bv->text->cursor.iy()
 192                           - bv->text->first_y
 193                           + bv->theLockingInset()->insetInInsetY());
 194         }
 195
 196         getRowNearY(y);
 197
 198         Row * cursorrow = cursor.row();
 199         setCursorFromCoordinates(bv, cursor.x_fix(), y);
 200         // + workarea().workHeight());
 201         finishUndo();
 202
 203         int new_y;
 204         if (cursorrow == bv->text->cursor.row()) {
 205                 // we have a row which is higher than the workarea so we leave the
 206                 // cursor on the start of the row and move only the draw down as soon
 207                 // as we move the cursor or do something while inside the row (it may
 208                 // span several workarea-heights) we'll move to the top again, but this
 209                 // is better than just jump down and only display part of the row.
 210                 new_y = bv->text->first_y + bv->workarea().workHeight();
 211         } else {
 212                 if (inset_owner) {
 213                         new_y = bv->text->cursor.iy()
 214                                 + bv->theLockingInset()->insetInInsetY()
 215                                 + y - cursor.row()->baseline();
 216                 } else {
 217                         new_y =  cursor.y() - cursor.row()->baseline();
 218                 }
 219         }
 220         bv->screen().draw(bv->text, bv, new_y);
 221         if (cursor.row()->next()) {
 222                 LyXCursor cur;
 223                 setCursor(bv, cur, cursor.row()->next()->par(),
 224                                                 cursor.row()->next()->pos(), false);
 225                 if (cur.y() < int(first_y + bv->workarea().workHeight())) {
 226                         cursorDown(bv, true);
 227                 }
 228         }
 229         bv->updateScrollbar();
 230 }
 231
 232
 233 void LyXText::update(BufferView * bv, bool changed)
 234 {
 235         BufferView::UpdateCodes c = BufferView::SELECT | BufferView::FITCUR;
 236         if (changed)
 237                 bv->update(this, c | BufferView::CHANGE);
 238         else
 239                 bv->update(this, c);
 240 }
 241
 242
 243 void specialChar(LyXText * lt, BufferView * bv, InsetSpecialChar::Kind kind)
 244 {
 245         bv->hideCursor();
 246         lt->update(bv);
 247         InsetSpecialChar * new_inset = new InsetSpecialChar(kind);
 248         if (!bv->insertInset(new_inset))
 249                 delete new_inset;
 250         else
 251                 bv->updateInset(new_inset, true);
 252 }
 253
 254
 255 Inset::RESULT LyXText::dispatch(FuncRequest const & cmd)
 256 {
 257         lyxerr[Debug::ACTION] << "LyXFunc::dispatch: action[" << cmd.action
 258                               <<"] arg[" << cmd.argument << "]" << endl;
 259
 260         BufferView * bv = cmd.view();
 261
 262         switch (cmd.action) {
 263
 264         case LFUN_APPENDIX: {
 265                 Paragraph * par = cursor.par();
 266                 bool start = !par->params().startOfAppendix();
 267
 268                 // ensure that we have only one start_of_appendix in this document
 269                 Paragraph * tmp = ownerParagraph();
 270                 for (; tmp; tmp = tmp->next())
 271                         tmp->params().startOfAppendix(false);
 272
 273                 par->params().startOfAppendix(start);
 274
 275                 // we can set the refreshing parameters now
 276                 status(cmd.view(), LyXText::NEED_MORE_REFRESH);
 277                 refresh_y = 0;
 278                 refresh_row = 0; // not needed for full update
 279                 updateCounters(cmd.view());
 280                 setCursor(cmd.view(), cursor.par(), cursor.pos());
 281                 update(bv);
 282                 break;
 283         }
 284
 285         case LFUN_DELETE_WORD_FORWARD:
 286                 bv->beforeChange(this);
 287                 update(bv, false);
 288                 deleteWordForward(bv);
 289                 update(bv);
 290                 finishChange(bv);
 291                 break;
 292
 293         case LFUN_DELETE_WORD_BACKWARD:
 294                 bv->beforeChange(this);
 295                 update(bv, false);
 296                 deleteWordBackward(bv);
 297                 update(bv, true);
 298                 finishChange(bv);
 299                 break;
 300
 301         case LFUN_DELETE_LINE_FORWARD:
 302                 bv->beforeChange(this);
 303                 update(bv, false);
 304                 deleteLineForward(bv);
 305                 update(bv);
 306                 finishChange(bv);
 307                 break;
 308
 309         case LFUN_SHIFT_TAB:
 310         case LFUN_TAB:
 311                 if (!selection.mark())
 312                         bv->beforeChange(this);
 313                 update(bv, false);
 314                 cursorTab(bv);
 315                 finishChange(bv);
 316                 break;
 317
 318         case LFUN_WORDRIGHT:
 319                 if (!selection.mark())
 320                         bv->beforeChange(this);
 321                 update(bv, false);
 322                 if (cursor.par()->isRightToLeftPar(bv->buffer()->params))
 323                         cursorLeftOneWord(bv);
 324                 else
 325                         cursorRightOneWord(bv);
 326                 finishChange(bv);
 327                 break;
 328
 329         case LFUN_WORDLEFT:
 330                 if (!selection.mark())
 331                         bv->beforeChange(this);
 332                 update(bv, false);
 333                 if (cursor.par()->isRightToLeftPar(bv->buffer()->params))
 334                         cursorRightOneWord(bv);
 335                 else
 336                         cursorLeftOneWord(bv);
 337                 finishChange(bv);
 338                 break;
 339
 340         case LFUN_BEGINNINGBUF:
 341                 if (!selection.mark())
 342                         bv->beforeChange(this);
 343                 update(bv, false);
 344                 cursorTop(bv);
 345                 finishChange(bv);
 346                 break;
 347
 348         case LFUN_ENDBUF:
 349                 if (selection.mark())
 350                         bv->beforeChange(this);
 351                 update(bv, false);
 352                 cursorBottom(bv);
 353                 finishChange(bv);
 354                 break;
 355
 356         case LFUN_RIGHTSEL:
 357                 update(bv, false);
 358                 if (cursor.par()->isRightToLeftPar(bv->buffer()->params))
 359                         cursorLeft(bv);
 360                 else
 361                         cursorRight(bv);
 362                 finishChange(bv, true);
 363                 break;
 364
 365         case LFUN_LEFTSEL:
 366                 update(bv, false);
 367                 if (cursor.par()->isRightToLeftPar(bv->buffer()->params))
 368                         cursorRight(bv);
 369                 else
 370                         cursorLeft(bv);
 371                 finishChange(bv, true);
 372                 break;
 373
 374         case LFUN_UPSEL:
 375                 update(bv, false);
 376                 cursorUp(bv, true);
 377                 finishChange(bv, true);
 378                 break;
 379
 380         case LFUN_DOWNSEL:
 381                 update(bv, false);
 382                 cursorDown(bv, true);
 383                 finishChange(bv, true);
 384                 break;
 385
 386         case LFUN_UP_PARAGRAPHSEL:
 387                 update(bv, false);
 388                 cursorUpParagraph(bv);
 389                 finishChange(bv, true);
 390                 break;
 391
 392         case LFUN_DOWN_PARAGRAPHSEL:
 393                 update(bv, false);
 394                 cursorDownParagraph(bv);
 395                 finishChange(bv, true);
 396                 break;
 397
 398         case LFUN_PRIORSEL:
 399                 update(bv, false);
 400                 cursorPrevious(bv);
 401                 finishChange(bv, true);
 402                 break;
 403
 404         case LFUN_NEXTSEL:
 405                 update(bv, false);
 406                 cursorNext(bv);
 407                 finishChange(bv, true);
 408                 break;
 409
 410         case LFUN_HOMESEL:
 411                 update(bv, false);
 412                 cursorHome(bv);
 413                 finishChange(bv, true);
 414                 break;
 415
 416         case LFUN_ENDSEL:
 417                 update(bv, false);
 418                 cursorEnd(bv);
 419                 finishChange(bv, true);
 420                 break;
 421
 422         case LFUN_WORDRIGHTSEL:
 423                 update(bv, false);
 424                 if (cursor.par()->isRightToLeftPar(bv->buffer()->params))
 425                         cursorLeftOneWord(bv);
 426                 else
 427                         cursorRightOneWord(bv);
 428                 finishChange(bv, true);
 429                 break;
 430
 431         case LFUN_WORDLEFTSEL:
 432                 update(bv, false);
 433                 if (cursor.par()->isRightToLeftPar(bv->buffer()->params))
 434                         cursorRightOneWord(bv);
 435                 else
 436                         cursorLeftOneWord(bv);
 437                 finishChange(bv, true);
 438                 break;
 439
 440         case LFUN_RIGHT: {
 441                 bool is_rtl = cursor.par()->isRightToLeftPar(bv->buffer()->params);
 442                 if (!selection.mark())
 443                         bv->beforeChange(this);
 444                 update(bv);
 445                 if (is_rtl)
 446                         cursorLeft(bv, false);
 447                 if (cursor.pos() < cursor.par()->size()
 448                     && cursor.par()->isInset(cursor.pos())
 449                     && isHighlyEditableInset(cursor.par()->getInset(cursor.pos()))) {
 450                         Inset * tmpinset = cursor.par()->getInset(cursor.pos());
 451                         cmd.message(tmpinset->editMessage());
 452                         tmpinset->edit(bv, !is_rtl);
 453                         break;
 454                 }
 455                 if (!is_rtl)
 456                         cursorRight(bv, false);
 457                 finishChange(bv);
 458                 break;
 459         }
 460
 461         case LFUN_LEFT: {
 462                 // This is soooo ugly. Isn`t it possible to make
 463                 // it simpler? (Lgb)
 464                 bool const is_rtl = cursor.par()->isRightToLeftPar(bv->buffer()->params);
 465                 if (!selection.mark())
 466                         bv->beforeChange(this);
 467                 update(bv);
 468                 LyXCursor const cur = cursor;
 469                 if (!is_rtl)
 470                         cursorLeft(bv, false);
 471                 if ((is_rtl || cur != cursor) && // only if really moved!
 472                     cursor.pos() < cursor.par()->size() &&
 473                     cursor.par()->isInset(cursor.pos()) &&
 474                     isHighlyEditableInset(cursor.par()->getInset(cursor.pos()))) {
 475                         Inset * tmpinset = cursor.par()->getInset(cursor.pos());
 476                         cmd.message(tmpinset->editMessage());
 477                         tmpinset->edit(bv, is_rtl);
 478                         break;
 479                 }
 480                 if (is_rtl)
 481                         cursorRight(bv, false);
 482                 finishChange(bv);
 483                 break;
 484         }
 485
 486         case LFUN_UP:
 487                 if (!selection.mark())
 488                         bv->beforeChange(this);
 489                 bv->update(this, BufferView::UPDATE);
 490                 cursorUp(bv);
 491                 finishChange(bv);
 492                 break;
 493
 494         case LFUN_DOWN:
 495                 if (!selection.mark())
 496                         bv->beforeChange(this);
 497                 bv->update(this, BufferView::UPDATE);
 498                 cursorDown(bv);
 499                 finishChange(bv);
 500                 break;
 501
 502         case LFUN_UP_PARAGRAPH:
 503                 if (!selection.mark())
 504                         bv->beforeChange(this);
 505                 bv->update(this, BufferView::UPDATE);
 506                 cursorUpParagraph(bv);
 507                 finishChange(bv);
 508                 break;
 509
 510         case LFUN_DOWN_PARAGRAPH:
 511                 if (!selection.mark())
 512                         bv->beforeChange(this);
 513                 bv->update(this, BufferView::UPDATE);
 514                 cursorDownParagraph(bv);
 515                 finishChange(bv, false);
 516                 break;
 517
 518         case LFUN_PRIOR:
 519                 if (!selection.mark())
 520                         bv->beforeChange(this);
 521                 bv->update(this, BufferView::UPDATE);
 522                 cursorPrevious(bv);
 523                 finishChange(bv, false);
 524                 // was:
 525                 // finishUndo();
 526                 // moveCursorUpdate(false, false);
 527                 // owner_->view_state_changed();
 528                 break;
 529
 530         case LFUN_NEXT:
 531                 if (!selection.mark())
 532                         bv->beforeChange(this);
 533                 bv->update(this, BufferView::UPDATE);
 534                 cursorNext(bv);
 535                 finishChange(bv, false);
 536                 break;
 537
 538         case LFUN_HOME:
 539                 if (!selection.mark())
 540                         bv->beforeChange(this);
 541                 update(bv);
 542                 cursorHome(bv);
 543                 finishChange(bv, false);
 544                 break;
 545
 546         case LFUN_END:
 547                 if (!selection.mark())
 548                         bv->beforeChange(this);
 549                 update(bv);
 550                 cursorEnd(bv);
 551                 finishChange(bv, false);
 552                 break;
 553
 554         case LFUN_BREAKLINE:
 555                 bv->beforeChange(this);
 556                 insertChar(bv, Paragraph::META_NEWLINE);
 557                 update(bv, true);
 558                 setCursor(bv, cursor.par(), cursor.pos());
 559                 bv->moveCursorUpdate(false);
 560                 break;
 561
 562         case LFUN_DELETE:
 563                 if (!selection.set()) {
 564                         Delete(bv);
 565                         selection.cursor = cursor;
 566                         update(bv);
 567                         // It is possible to make it a lot faster still
 568                         // just comment out the line below...
 569                         bv->showCursor();
 570                 } else {
 571                         update(bv, false);
 572                         cutSelection(bv, true);
 573                         update(bv);
 574                 }
 575                 bv->moveCursorUpdate(false);
 576                 bv->owner()->view_state_changed();
 577                 bv->switchKeyMap();
 578                 break;
 579
 580         case LFUN_DELETE_SKIP:
 581                 // Reverse the effect of LFUN_BREAKPARAGRAPH_SKIP.
 582                 if (!selection.set()) {
 583                         LyXCursor cur = cursor;
 584                         if (cur.pos() == cur.par()->size()) {
 585                                 cursorRight(bv);
 586                                 cur = cursor;
 587                                 if (cur.pos() == 0
 588                                     && !(cur.par()->params().spaceTop()
 589                                          == VSpace (VSpace::NONE))) {
 590                                         setParagraph(bv,
 591                                                  cur.par()->params().lineTop(),
 592                                                  cur.par()->params().lineBottom(),
 593                                                  cur.par()->params().pagebreakTop(),
 594                                                  cur.par()->params().pagebreakBottom(),
 595                                                  VSpace(VSpace::NONE),
 596                                                  cur.par()->params().spaceBottom(),
 597                                                  cur.par()->params().spacing(),
 598                                                  cur.par()->params().align(),
 599                                                  cur.par()->params().labelWidthString(), 0);
 600                                         cursorLeft(bv);
 601                                         update(bv);
 602                                 } else {
 603                                         cursorLeft(bv);
 604                                         Delete(bv);
 605                                         selection.cursor = cursor;
 606                                 }
 607                         } else {
 608                                 Delete(bv);
 609                                 selection.cursor = cursor;
 610                         }
 611                 } else {
 612                         update(bv, false);
 613                         cutSelection(bv, true);
 614                 }
 615                 update(bv);
 616                 break;
 617
 618
 619         case LFUN_BACKSPACE:
 620                 if (!selection.set()) {
 621                         if (bv->owner()->getIntl().getTransManager().backspace()) {
 622                                 backspace(bv);
 623                                 selection.cursor = cursor;
 624                                 update(bv);
 625                                 // It is possible to make it a lot faster still
 626                                 // just comment out the line below...
 627                                 bv->showCursor();
 628                         }
 629                 } else {
 630                         update(bv, false);
 631                         cutSelection(bv, true);
 632                         update(bv);
 633                 }
 634                 bv->owner()->view_state_changed();
 635                 bv->switchKeyMap();
 636                 break;
 637
 638         case LFUN_BACKSPACE_SKIP:
 639                 // Reverse the effect of LFUN_BREAKPARAGRAPH_SKIP.
 640                 if (!selection.set()) {
 641                         LyXCursor cur = cursor;
 642                         if (cur.pos() == 0
 643                             && !(cur.par()->params().spaceTop()
 644                                  == VSpace (VSpace::NONE))) {
 645                                 setParagraph(bv,
 646                                          cur.par()->params().lineTop(),
 647                                          cur.par()->params().lineBottom(),
 648                                          cur.par()->params().pagebreakTop(),
 649                                          cur.par()->params().pagebreakBottom(),
 650                                          VSpace(VSpace::NONE), cur.par()->params().spaceBottom(),
 651                                          cur.par()->params().spacing(),
 652                                          cur.par()->params().align(),
 653                                          cur.par()->params().labelWidthString(), 0);
 654                         } else {
 655                                 backspace(bv);
 656                                 selection.cursor = cur;
 657                         }
 658                 } else {
 659                         update(bv, false);
 660                         cutSelection(bv, true);
 661                 }
 662                 update(bv);
 663                 break;
 664
 665         case LFUN_BREAKPARAGRAPH:
 666                 bv->beforeChange(this);
 667                 breakParagraph(bv, 0);
 668                 update(bv);
 669                 selection.cursor = cursor;
 670                 bv->switchKeyMap();
 671                 bv->owner()->view_state_changed();
 672                 break;
 673
 674         case LFUN_BREAKPARAGRAPHKEEPLAYOUT:
 675                 bv->beforeChange(this);
 676                 breakParagraph(bv, 1);
 677                 update(bv);
 678                 selection.cursor = cursor;
 679                 bv->switchKeyMap();
 680                 bv->owner()->view_state_changed();
 681                 break;
 682
 683         case LFUN_BREAKPARAGRAPH_SKIP: {
 684                 // When at the beginning of a paragraph, remove
 685                 // indentation and add a "defskip" at the top.
 686                 // Otherwise, do the same as LFUN_BREAKPARAGRAPH.
 687                 LyXCursor cur = cursor;
 688                 bv->beforeChange(this);
 689                 if (cur.pos() == 0) {
 690                         if (cur.par()->params().spaceTop() == VSpace(VSpace::NONE)) {
 691                                 setParagraph(bv,
 692                                          cur.par()->params().lineTop(),
 693                                          cur.par()->params().lineBottom(),
 694                                          cur.par()->params().pagebreakTop(),
 695                                          cur.par()->params().pagebreakBottom(),
 696                                          VSpace(VSpace::DEFSKIP), cur.par()->params().spaceBottom(),
 697                                          cur.par()->params().spacing(),
 698                                          cur.par()->params().align(),
 699                                          cur.par()->params().labelWidthString(), 1);
 700                                 //update(bv);
 701                         }
 702                 }
 703                 else {
 704                         breakParagraph(bv, 0);
 705                         //update(bv);
 706                 }
 707                 update(bv);
 708                 selection.cursor = cur;
 709                 bv->switchKeyMap();
 710                 bv->owner()->view_state_changed();
 711                 break;
 712         }
 713
 714         case LFUN_PARAGRAPH_SPACING: {
 715                 Paragraph * par = cursor.par();
 716                 Spacing::Space cur_spacing = par->params().spacing().getSpace();
 717                 float cur_value = 1.0;
 718                 if (cur_spacing == Spacing::Other)
 719                         cur_value = par->params().spacing().getValue();
 720
 721                 istringstream is(cmd.argument.c_str());
 722                 string tmp;
 723                 is >> tmp;
 724                 Spacing::Space new_spacing = cur_spacing;
 725                 float new_value = cur_value;
 726                 if (tmp.empty()) {
 727                         lyxerr << "Missing argument to `paragraph-spacing'"
 728                                << endl;
 729                 } else if (tmp == "single") {
 730                         new_spacing = Spacing::Single;
 731                 } else if (tmp == "onehalf") {
 732                         new_spacing = Spacing::Onehalf;
 733                 } else if (tmp == "double") {
 734                         new_spacing = Spacing::Double;
 735                 } else if (tmp == "other") {
 736                         new_spacing = Spacing::Other;
 737                         float tmpval = 0.0;
 738                         is >> tmpval;
 739                         lyxerr << "new_value = " << tmpval << endl;
 740                         if (tmpval != 0.0)
 741                                 new_value = tmpval;
 742                 } else if (tmp == "default") {
 743                         new_spacing = Spacing::Default;
 744                 } else {
 745                         lyxerr << _("Unknown spacing argument: ")
 746                                << cmd.argument << endl;
 747                 }
 748                 if (cur_spacing != new_spacing || cur_value != new_value) {
 749                         par->params().spacing(Spacing(new_spacing, new_value));
 750                         redoParagraph(bv);
 751                         update(bv);
 752                 }
 753                 break;
 754         }
 755
 756         case LFUN_INSET_TOGGLE:
 757                 bv->hideCursor();
 758                 bv->beforeChange(this);
 759                 update(bv, false);
 760                 toggleInset(bv);
 761                 update(bv, false);
 762                 bv->switchKeyMap();
 763                 break;
 764
 765         case LFUN_PROTECTEDSPACE:
 766                 if (cursor.par()->layout()->free_spacing) {
 767                         insertChar(bv, ' ');
 768                         update(bv);
 769                 } else {
 770                         specialChar(this, bv, InsetSpecialChar::PROTECTED_SEPARATOR);
 771                 }
 772                 bv->moveCursorUpdate(false);
 773                 break;
 774
 775         case LFUN_HYPHENATION:
 776                 specialChar(this, bv, InsetSpecialChar::HYPHENATION);
 777                 break;
 778
 779         case LFUN_LIGATURE_BREAK:
 780                 specialChar(this, bv, InsetSpecialChar::LIGATURE_BREAK);
 781                 break;
 782
 783         case LFUN_LDOTS:
 784                 specialChar(this, bv, InsetSpecialChar::LDOTS);
 785                 break;
 786
 787         case LFUN_HFILL:
 788                 bv->hideCursor();
 789                 update(bv, false);
 790                 insertChar(bv, Paragraph::META_HFILL);
 791                 update(bv);
 792                 break;
 793
 794         case LFUN_END_OF_SENTENCE:
 795                 specialChar(this, bv, InsetSpecialChar::END_OF_SENTENCE);
 796                 break;
 797
 798         case LFUN_MENU_SEPARATOR:
 799                 specialChar(this, bv, InsetSpecialChar::MENU_SEPARATOR);
 800                 break;
 801
 802         case LFUN_MARK_OFF:
 803                 bv->beforeChange(this);
 804                 update(bv, false);
 805                 selection.cursor = cursor;
 806                 cmd.message(N_("Mark off"));
 807                 break;
 808
 809         case LFUN_MARK_ON:
 810                 bv->beforeChange(this);
 811                 selection.mark(true);
 812                 update(bv, false);
 813                 selection.cursor = cursor;
 814                 cmd.message(N_("Mark on"));
 815                 break;
 816
 817         case LFUN_SETMARK:
 818                 bv->beforeChange(this);
 819                 if (selection.mark()) {
 820                         update(bv);
 821                         cmd.message(N_("Mark removed"));
 822                 } else {
 823                         selection.mark(true);
 824                         update(bv);
 825                         cmd.message(N_("Mark set"));
 826                 }
 827                 selection.cursor = cursor;
 828                 break;
 829
 830         case LFUN_UPCASE_WORD:
 831                 update(bv, false);
 832                 changeCase(bv, LyXText::text_uppercase);
 833                 if (inset_owner)
 834                         bv->updateInset(inset_owner, true);
 835                 update(bv);
 836                 break;
 837
 838         case LFUN_LOWCASE_WORD:
 839                 update(bv, false);
 840                 changeCase(bv, LyXText::text_lowercase);
 841                 if (inset_owner)
 842                         bv->updateInset(inset_owner, true);
 843                 update(bv);
 844                 break;
 845
 846         case LFUN_CAPITALIZE_WORD:
 847                 update(bv, false);
 848                 changeCase(bv, LyXText::text_capitalization);
 849                 if (inset_owner)
 850                         bv->updateInset(inset_owner, true);
 851                 update(bv);
 852                 break;
 853
 854         case LFUN_TRANSPOSE_CHARS:
 855                 update(bv, false);
 856                 transposeChars(*bv);
 857                 if (inset_owner)
 858                         bv->updateInset(inset_owner, true);
 859                 update(bv);
 860                 break;
 861
 862         case LFUN_PASTE:
 863                 cmd.message(_("Paste"));
 864                 bv->hideCursor();
 865                 // clear the selection
 866                 bv->toggleSelection();
 867                 clearSelection();
 868                 update(bv, false);
 869                 pasteSelection(bv);
 870                 clearSelection(); // bug 393
 871                 update(bv, false);
 872                 update(bv);
 873                 bv->switchKeyMap();
 874                 break;
 875
 876         case LFUN_CUT:
 877                 bv->hideCursor();
 878                 update(bv, false);
 879                 cutSelection(bv, true);
 880                 update(bv);
 881                 cmd.message(_("Cut"));
 882                 break;
 883
 884         case LFUN_COPY:
 885                 copySelection(bv);
 886                 cmd.message(_("Copy"));
 887                 break;
 888
 889         case LFUN_BEGINNINGBUFSEL:
 890                 if (inset_owner)
 891                         return Inset::UNDISPATCHED;
 892                 update(bv, false);
 893                 cursorTop(bv);
 894                 finishChange(bv, true);
 895                 break;
 896
 897         case LFUN_ENDBUFSEL:
 898                 if (inset_owner)
 899                         return Inset::UNDISPATCHED;
 900                 update(bv, false);
 901                 cursorBottom(bv);
 902                 finishChange(bv, true);
 903                 break;
 904
 905         case LFUN_GETXY:
 906                 cmd.message(tostr(cursor.x()) + ' ' + tostr(cursor.y()));
 907                 break;
 908
 909         case LFUN_SETXY: {
 910                 int x = 0;
 911                 int y = 0;
 912                 istringstream is(cmd.argument.c_str());
 913                 is >> x >> y;
 914                 if (!is)
 915                         lyxerr << "SETXY: Could not parse coordinates in '"
 916                                << cmd.argument << std::endl;
 917                 else
 918                         setCursorFromCoordinates(bv, x, y);
 919                 break;
 920         }
 921
 922         case LFUN_GETFONT:
 923                 if (current_font.shape() == LyXFont::ITALIC_SHAPE)
 924                         cmd.message("E");
 925                 else if (current_font.shape() == LyXFont::SMALLCAPS_SHAPE)
 926                         cmd.message("N");
 927                 else
 928                         cmd.message("0");
 929                 break;
 930
 931         case LFUN_GETLAYOUT:
 932                 cmd.message(tostr(cursor.par()->layout()));
 933                 break;
 934
 935         case LFUN_LAYOUT: {
 936                 lyxerr[Debug::INFO] << "LFUN_LAYOUT: (arg) "
 937                   << cmd.argument << endl;
 938
 939                 // This is not the good solution to the empty argument
 940                 // problem, but it will hopefully suffice for 1.2.0.
 941                 // The correct solution would be to augument the
 942                 // function list/array with information about what
 943                 // functions needs arguments and their type.
 944                 if (cmd.argument.empty()) {
 945                         cmd.errorMessage(_("LyX function 'layout' needs an argument."));
 946                         break;
 947                 }
 948
 949                 // Derive layout number from given argument (string)
 950                 // and current buffer's textclass (number)
 951                 LyXTextClass const & tclass = bv->buffer()->params.getLyXTextClass();
 952                 bool hasLayout = tclass.hasLayout(cmd.argument);
 953                 string layout = cmd.argument;
 954
 955                 // If the entry is obsolete, use the new one instead.
 956                 if (hasLayout) {
 957                         string const & obs = tclass[layout]->obsoleted_by();
 958                         if (!obs.empty())
 959                                 layout = obs;
 960                 }
 961
 962                 if (!hasLayout) {
 963                         cmd.errorMessage(string(N_("Layout ")) + cmd.argument +
 964                                 N_(" not known"));
 965                         break;
 966                 }
 967
 968                 bool change_layout = (current_layout != layout);
 969                 if (!change_layout && selection.set() &&
 970                         selection.start.par() != selection.end.par())
 971                 {
 972                         Paragraph * spar = selection.start.par();
 973                         Paragraph * epar = selection.end.par()->next();
 974                         while (spar != epar) {
 975                                 if (spar->layout()->name() != current_layout) {
 976                                         change_layout = true;
 977                                         break;
 978                                 }
 979                         }
 980                 }
 981                 if (change_layout) {
 982                         bv->hideCursor();
 983                         current_layout = layout;
 984                         update(bv, false);
 985                         setLayout(bv, layout);
 986                         bv->owner()->setLayout(layout);
 987                         update(bv);
 988                         bv->switchKeyMap();
 989                 }
 990                 break;
 991         }
 992
 993         case LFUN_PASTESELECTION: {
 994                 if (!bv->buffer())
 995                         break;
 996                 bv->hideCursor();
 997                 // this was originally a beforeChange(bv->text), i.e
 998                 // the outermost LyXText!
 999                 bv->beforeChange(this);
1000                 string const clip(bv->workarea().getClipboard());
1001                 if (!clip.empty()) {
1002                         if (cmd.argument == "paragraph")
1003                                 insertStringAsParagraphs(bv, clip);
1004                         else
1005                                 insertStringAsLines(bv, clip);
1006                         clearSelection();
1007                         update(bv);
1008                 }
1009                 break;
1010         }
1011
1012         case LFUN_GOTOERROR:
1013                 gotoInset(bv, Inset::ERROR_CODE, false);
1014                 break;
1015
1016         case LFUN_GOTONOTE:
1017                 gotoInset(bv, Inset::NOTE_CODE, false);
1018                 break;
1019
1020         case LFUN_REFERENCE_GOTO:
1021         {
1022                 vector<Inset::Code> tmp;
1023                 tmp.push_back(Inset::LABEL_CODE);
1024                 tmp.push_back(Inset::REF_CODE);
1025                 gotoInset(bv, tmp, true);
1026                 break;
1027         }
1028
1029         case LFUN_QUOTE: {
1030                 Paragraph const * par = cursor.par();
1031                 lyx::pos_type pos = cursor.pos();
1032                 char c;
1033
1034                 if (!pos)
1035                         c = ' ';
1036                 else if (par->isInset(pos - 1) && par->getInset(pos - 1)->isSpace())
1037                         c = ' ';
1038                 else
1039                         c = par->getChar(pos - 1);
1040
1041                 bv->hideCursor();
1042                 LyXLayout_ptr const & style = par->layout();
1043
1044                 if (style->pass_thru ||
1045                                 par->getFontSettings(bv->buffer()->params,
1046                                          pos).language()->lang() == "hebrew" ||
1047                         (!bv->insertInset(new InsetQuotes(c, bv->buffer()->params))))
1048                         bv->owner()->dispatch(FuncRequest(LFUN_SELFINSERT, "\""));
1049                 break;
1050         }
1051
1052         case LFUN_DATE_INSERT:  { // jdblair: date-insert cmd
1053                 time_t now_time_t = time(NULL);
1054                 struct tm * now_tm = localtime(&now_time_t);
1055                 setlocale(LC_TIME, "");
1056                 string arg;
1057                 if (!cmd.argument.empty())
1058                         arg = cmd.argument;
1059                 else
1060                         arg = lyxrc.date_insert_format;
1061                 char datetmp[32];
1062                 int const datetmp_len =
1063                         ::strftime(datetmp, 32, arg.c_str(), now_tm);
1064
1065                 for (int i = 0; i < datetmp_len; i++) {
1066                         insertChar(bv, datetmp[i]);
1067                         update(bv, true);
1068                 }
1069                 selection.cursor = cursor;
1070                 bv->moveCursorUpdate(false);
1071                 break;
1072         }
1073
1074         case LFUN_SELFINSERT: {
1075                 if (cmd.argument.empty())
1076                         break;
1077
1078                 // Automatically delete the currently selected
1079                 // text and replace it with what is being
1080                 // typed in now. Depends on lyxrc settings
1081                 // "auto_region_delete", which defaults to
1082                 // true (on).
1083
1084                 if (lyxrc.auto_region_delete) {
1085                         if (selection.set()) {
1086                                 cutSelection(bv, false, false);
1087                                 update(bv);
1088                         }
1089                         bv->workarea().haveSelection(false);
1090                 }
1091
1092                 bv->beforeChange(this);
1093                 LyXFont const old_font(real_current_font);
1094
1095                 string::const_iterator cit = cmd.argument.begin();
1096                 string::const_iterator end = cmd.argument.end();
1097                 for (; cit != end; ++cit)
1098                         bv->owner()->getIntl().getTransManager().
1099                                 TranslateAndInsert(*cit, this);
1100
1101                 update(bv);
1102                 selection.cursor = cursor;
1103                 bv->moveCursorUpdate(false);
1104
1105                 // real_current_font.number can change so we need to
1106                 // update the minibuffer
1107                 if (old_font != real_current_font)
1108                         bv->owner()->view_state_changed();
1109                 break;
1110         }
1111
1112         default:
1113                 return Inset::UNDISPATCHED;
1114         }
1115
1116         return Inset::DISPATCHED;
1117 }