src/insets/insettext.C

   1 // -*- C++ -*-
   2 /* This file is part of
   3  * ======================================================
   4  *
   5  *           LyX, The Document Processor
   6  *
   7  *           Copyright 1998-2000 The LyX Team.
   8  *
   9  * ======================================================
  10  */
  11
  12 #include <config.h>
  13
  14 #include <fstream>
  15 #include <algorithm>
  16
  17 #include <cstdlib>
  18
  19 #ifdef __GNUG__
  20 #pragma implementation
  21 #endif
  22
  23 #include "insettext.h"
  24 #include "lyxparagraph.h"
  25 #include "lyxlex.h"
  26 #include "debug.h"
  27 #include "lyxfont.h"
  28 #include "commandtags.h"
  29 #include "buffer.h"
  30 #include "LyXView.h"
  31 #include "BufferView.h"
  32 #include "layout.h"
  33 #include "LaTeXFeatures.h"
  34 #include "Painter.h"
  35 #include "lyx_gui_misc.h"
  36 #include "lyxtext.h"
  37 #include "lyxcursor.h"
  38 #include "CutAndPaste.h"
  39 #include "font.h"
  40 #include "minibuffer.h"
  41 #include "toolbar.h"
  42 #include "LColor.h"
  43 #include "support/textutils.h"
  44 #include "support/LAssert.h"
  45 #include "lyxrow.h"
  46 #include "lyxrc.h"
  47 #include "intl.h"
  48 #include "trans_mgr.h"
  49 #include "lyxscreen.h"
  50
  51 using std::ostream;
  52 using std::ifstream;
  53 using std::endl;
  54 using std::min;
  55 using std::max;
  56
  57 extern unsigned char getCurrentTextClass(Buffer *);
  58
  59 #define TEXT(a) getLyXText(a)
  60
  61 InsetText::InsetText()
  62 {
  63     par = new LyXParagraph();
  64     init();
  65 }
  66
  67
  68 InsetText::InsetText(InsetText const & ins)
  69         : UpdatableInset()
  70 {
  71     par = 0;
  72     init(&ins);
  73     autoBreakRows = ins.autoBreakRows;
  74 }
  75
  76
  77 InsetText & InsetText::operator=(InsetText const & it)
  78 {
  79     init(&it);
  80     autoBreakRows = it.autoBreakRows;
  81     return * this;
  82 }
  83
  84 void InsetText::init(InsetText const * ins)
  85 {
  86     insetAscent = insetDescent = insetWidth = 0;
  87     the_locking_inset = 0;
  88     cursor_visible = false;
  89     interline_space = 1;
  90     no_selection = false;
  91     need_update = INIT;
  92     drawTextXOffset = drawTextYOffset = 0;
  93     autoBreakRows = drawLockedFrame = false;
  94     xpos = 0.0;
  95     if (ins) {
  96         SetParagraphData(ins->par);
  97         autoBreakRows = ins->autoBreakRows;
  98         drawLockedFrame = ins->drawLockedFrame;
  99     }
 100     par->SetInsetOwner(this);
 101     frame_color = LColor::insetframe;
 102     locked = false;
 103     old_par = 0;
 104 }
 105
 106
 107 InsetText::~InsetText()
 108 {
 109     LyXParagraph * p;
 110     p = par->next;
 111     delete par;
 112     while(p) {
 113         par = p;
 114         p = p->next;
 115         delete par;
 116     }
 117 }
 118
 119
 120 Inset * InsetText::Clone() const
 121 {
 122     InsetText * t = new InsetText(*this);
 123     return t;
 124 }
 125
 126
 127 void InsetText::Write(Buffer const * buf, ostream & os) const
 128 {
 129     os << "Text\n";
 130     WriteParagraphData(buf, os);
 131 }
 132
 133
 134 void InsetText::WriteParagraphData(Buffer const * buf, ostream & os) const
 135 {
 136     par->writeFile(buf, os, buf->params, 0, 0);
 137 }
 138
 139
 140 void InsetText::Read(Buffer const * buf, LyXLex & lex)
 141 {
 142     string token, tmptok;
 143     int pos = 0;
 144     LyXParagraph * return_par = 0;
 145     char depth = 0; // signed or unsigned?
 146     LyXParagraph::footnote_flag footnoteflag = LyXParagraph::NO_FOOTNOTE;
 147     LyXParagraph::footnote_kind footnotekind = LyXParagraph::FOOTNOTE;
 148     LyXFont font(LyXFont::ALL_INHERIT);
 149
 150     LyXParagraph * p;
 151     p = par->next;
 152     delete par;
 153     while(p) {
 154         par = p;
 155         p = p->next;
 156         delete par;
 157     }
 158     par = new LyXParagraph;
 159     while (lex.IsOK()) {
 160         lex.nextToken();
 161         token = lex.GetString();
 162         if (token.empty())
 163             continue;
 164         if (token == "\\end_inset")
 165             break;
 166         if (const_cast<Buffer*>(buf)->parseSingleLyXformat2Token(lex, par, return_par,
 167                                             token, pos, depth,
 168                                             font, footnoteflag,
 169                                             footnotekind)) {
 170             // the_end read this should NEVER happen
 171             lex.printError("\\the_end read in inset! Error in document!");
 172             return;
 173         }
 174     }
 175     if (!return_par)
 176             return_par = par;
 177     par = return_par;
 178     while(return_par) {
 179         return_par->SetInsetOwner(this);
 180         return_par = return_par->next;
 181     }
 182
 183     if (token != "\\end_inset") {
 184         lex.printError("Missing \\end_inset at this point. "
 185                        "Read: `$$Token'");
 186     }
 187     need_update = INIT;
 188 }
 189
 190
 191 int InsetText::ascent(Painter &, LyXFont const &) const
 192 {
 193     return insetAscent;
 194 }
 195
 196
 197 int InsetText::descent(Painter &, LyXFont const &) const
 198 {
 199     return insetDescent;
 200 }
 201
 202
 203 int InsetText::width(Painter &, LyXFont const &) const
 204 {
 205     return insetWidth;
 206 }
 207
 208
 209 void InsetText::draw(BufferView * bv, LyXFont const & f,
 210                      int baseline, float & x) const
 211 {
 212     Painter & pain = bv->painter();
 213
 214     xpos = x;
 215     UpdatableInset::draw(bv, f, baseline, x);
 216
 217     top_baseline = baseline;
 218     top_x = int(x);
 219
 220     if (the_locking_inset && (cpos(bv) == inset_pos)) {
 221         inset_x = cx(bv) - top_x + drawTextXOffset;
 222         inset_y = cy(bv) + drawTextYOffset;
 223     }
 224     x += TEXT_TO_INSET_OFFSET; // place for border
 225     long int y = 0;
 226     Row * row = TEXT(bv)->GetRowNearY(y);
 227     y += baseline - row->ascent_of_text() + 1;
 228     if (!locked || (need_update == FULL)) {
 229         while (row != 0) {
 230             TEXT(bv)->GetVisibleRow(bv, y, x, row, y);
 231             y += row->height();
 232             row = row->next();
 233         }
 234         if (drawLockedFrame && locked) {
 235             pain.rectangle(top_x, baseline - ascent(pain, f), width(pain, f),
 236                            ascent(pain,f) + descent(pain, f), frame_color);
 237         }
 238     } else {
 239         bv->screen()->Update(TEXT(bv));
 240     }
 241     x += width(pain, f) - TEXT_TO_INSET_OFFSET;
 242 }
 243
 244
 245 void InsetText::update(BufferView * bv, LyXFont const &, bool dodraw)
 246 {
 247     if (need_update == INIT) {
 248         deleteLyXText(bv);
 249         need_update = FULL;
 250     }
 251
 252 #if 0
 253     switch(need_update) {
 254     case NONE: // most common first
 255         break;
 256     case INIT:
 257         need_update = NONE;
 258         break;
 259     case CURSOR_PAR:
 260         need_update = NONE;
 261         break;
 262     case FULL:
 263         TEXT(bv)->FullRebreak(bv);
 264         need_update = NONE;
 265         break;
 266     default:
 267         need_update = NONE;
 268         break;
 269     }
 270 #endif
 271     TEXT(bv)->FullRebreak(bv);
 272
 273     long int y_temp = 0;
 274     Row * row = TEXT(bv)->GetRowNearY(y_temp);
 275     insetAscent = row->ascent_of_text() + 2;
 276     insetDescent = TEXT(bv)->height - row->ascent_of_text() + 2;
 277     insetWidth = max(getMaxTextWidth(bv->painter(), this), TEXT(bv)->width);
 278 }
 279
 280
 281 char const * InsetText::EditMessage() const
 282 {
 283     return _("Opened Text Inset");
 284 }
 285
 286
 287 void InsetText::Edit(BufferView * bv, int x, int y, unsigned int button)
 288 {
 289 //    par->SetInsetOwner(this);
 290     UpdatableInset::Edit(bv, x, y, button);
 291
 292     if (!bv->lockInset(this)) {
 293         lyxerr[Debug::INSETS] << "Cannot lock inset" << endl;
 294         return;
 295     }
 296     locked = true;
 297     the_locking_inset = 0;
 298     inset_pos = inset_x = inset_y = 0;
 299 //    setPos(bv->painter(), x, y);
 300     checkAndActivateInset(bv, x, y, button);
 301 //    selection_start_cursor = selection_end_cursor = cursor;
 302     TEXT(bv)->sel_cursor = TEXT(bv)->cursor;
 303     bv->text->FinishUndo();
 304     UpdateLocal(bv, FULL, false);
 305 }
 306
 307
 308 void InsetText::InsetUnlock(BufferView * bv)
 309 {
 310     if (the_locking_inset) {
 311         the_locking_inset->InsetUnlock(bv);
 312         the_locking_inset = 0;
 313     }
 314     HideInsetCursor(bv);
 315     lyxerr[Debug::INSETS] << "InsetText::InsetUnlock(" << this <<
 316             ")" << endl;
 317     no_selection = false;
 318     locked = false;
 319     TEXT(bv)->selection = 0;
 320     UpdateLocal(bv, FULL, false);
 321     bv->owner()->getToolbar()->combox->select(bv->text->cursor.par()->GetLayout()+1);
 322 }
 323
 324
 325 bool InsetText::LockInsetInInset(BufferView * bv, UpdatableInset * inset)
 326 {
 327     lyxerr[Debug::INSETS] << "InsetText::LockInsetInInset(" << inset << "): ";
 328     if (!inset)
 329         return false;
 330     if (inset == cpar(bv)->GetInset(cpos(bv))) {
 331         lyxerr[Debug::INSETS] << "OK" << endl;
 332         the_locking_inset = inset;
 333 //      resetPos(bv->painter());
 334         inset_x = cx(bv) - top_x + drawTextXOffset;
 335         inset_y = cy(bv) + drawTextYOffset;
 336         inset_pos = cpos(bv);
 337         return true;
 338     } else if (the_locking_inset && (the_locking_inset == inset)) {
 339         if (cpos(bv) == inset_pos) {
 340             lyxerr[Debug::INSETS] << "OK" << endl;
 341 //          resetPos(bv->painter());
 342             inset_x = cx(bv) - top_x + drawTextXOffset;
 343             inset_y = cy(bv) + drawTextYOffset;
 344         } else {
 345             lyxerr[Debug::INSETS] << "cursor.pos != inset_pos" << endl;
 346         }
 347     } else if (the_locking_inset) {
 348         lyxerr[Debug::INSETS] << "MAYBE" << endl;
 349         return the_locking_inset->LockInsetInInset(bv, inset);
 350     }
 351     lyxerr[Debug::INSETS] << "NOT OK" << endl;
 352     return false;
 353 }
 354
 355
 356 bool InsetText::UnlockInsetInInset(BufferView * bv, UpdatableInset * inset,
 357                                    bool lr)
 358 {
 359     if (!the_locking_inset)
 360         return false;
 361     if (the_locking_inset == inset) {
 362         the_locking_inset->InsetUnlock(bv);
 363         the_locking_inset = 0;
 364         if (lr)
 365             moveRight(bv, false);
 366         return true;
 367     }
 368     return the_locking_inset->UnlockInsetInInset(bv, inset, lr);
 369 }
 370
 371
 372 bool InsetText::UpdateInsetInInset(BufferView * bv, Inset * inset)
 373 {
 374     if (!the_locking_inset)
 375         return false;
 376     if (the_locking_inset != inset)
 377         return the_locking_inset->UpdateInsetInInset(bv, inset);
 378     lyxerr[Debug::INSETS] << "InsetText::UpdateInsetInInset(" << inset <<
 379             ")" << endl;
 380     UpdateLocal(bv, FULL, false);
 381     if (cpos(bv) == inset_pos) {
 382         inset_x = cx(bv) - top_x + drawTextXOffset;
 383         inset_y = cy(bv) + drawTextYOffset;
 384     }
 385     return true;
 386 }
 387
 388
 389 void InsetText::InsetButtonPress(BufferView * bv, int x, int y, int button)
 390 {
 391     if (TEXT(bv)->selection) {
 392         TEXT(bv)->selection = 0;
 393         UpdateLocal(bv, FULL, false);
 394     }
 395     no_selection = false;
 396 //    setPos(bv->painter(), x, y);
 397 //    cursor.x_fix(-1);
 398     TEXT(bv)->SetCursorFromCoordinates(bv, x, y+bv->screen()->first);
 399     if (the_locking_inset) {
 400         UpdatableInset * inset = 0;
 401         if (cpar(bv)->GetChar(cpos(bv)) == LyXParagraph::META_INSET)
 402             inset = static_cast<UpdatableInset*>(cpar(bv)->GetInset(cpos(bv)));
 403         if (the_locking_inset == inset) {
 404             the_locking_inset->InsetButtonPress(bv,x-inset_x,y-inset_y,button);
 405             return;
 406         } else if (inset) {
 407             // otherwise unlock the_locking_inset and lock the new inset
 408             the_locking_inset->InsetUnlock(bv);
 409             inset_x = cx(bv) - top_x + drawTextXOffset;
 410             inset_y = cy(bv) + drawTextYOffset;
 411             inset->InsetButtonPress(bv, x - inset_x, y - inset_y, button);
 412             inset->Edit(bv, x - inset_x, y - inset_y, button);
 413             UpdateLocal(bv, FULL, false);
 414             return;
 415         }
 416         // otherwise only unlock the_locking_inset
 417         the_locking_inset->InsetUnlock(bv);
 418         the_locking_inset = 0;
 419     }
 420     if (bv->the_locking_inset) {
 421         if ((cpar(bv)->GetChar(cpos(bv)) == LyXParagraph::META_INSET) &&
 422             cpar(bv)->GetInset(cpos(bv)) &&
 423             (cpar(bv)->GetInset(cpos(bv))->Editable() == Inset::HIGHLY_EDITABLE)) {
 424             UpdatableInset * inset =
 425                 static_cast<UpdatableInset*>(cpar(bv)->GetInset(cpos(bv)));
 426             inset_x = cx(bv) - top_x + drawTextXOffset;
 427             inset_y = cy(bv) + drawTextYOffset;
 428             inset->InsetButtonPress(bv, x - inset_x, y - inset_y, button);
 429             inset->Edit(bv, x - inset_x, y - inset_y, 0);
 430             UpdateLocal(bv, FULL, false);
 431         }
 432     }
 433 //    selection_start_cursor = selection_end_cursor = cursor;
 434 }
 435
 436
 437 void InsetText::InsetButtonRelease(BufferView * bv, int x, int y, int button)
 438 {
 439     UpdatableInset * inset = 0;
 440
 441     if (the_locking_inset) {
 442             the_locking_inset->InsetButtonRelease(bv, x-inset_x, y-inset_y,button);
 443     } else {
 444         if (cpar(bv)->GetChar(cpos(bv)) == LyXParagraph::META_INSET) {
 445             inset = static_cast<UpdatableInset*>(cpar(bv)->GetInset(cpos(bv)));
 446             if (inset->Editable() == Inset::HIGHLY_EDITABLE) {
 447                 inset->InsetButtonRelease(bv, x - inset_x, y - inset_y,button);
 448             } else {
 449                 inset_x = cx(bv) - top_x + drawTextXOffset;
 450                 inset_y = cy(bv) + drawTextYOffset;
 451                 inset->InsetButtonRelease(bv, x - inset_x, y - inset_y,button);
 452                 inset->Edit(bv, x - inset_x, y - inset_y, button);
 453             }
 454         }
 455     }
 456     no_selection = false;
 457 }
 458
 459
 460 void InsetText::InsetMotionNotify(BufferView * bv, int x, int y, int state)
 461 {
 462     if (the_locking_inset) {
 463         the_locking_inset->InsetMotionNotify(bv, x - inset_x,
 464                                              y - inset_y,state);
 465         return;
 466     }
 467 #warning REDO this (Jug)
 468     if (!no_selection) {
 469 //      LyXCursor old = selection_end_cursor;
 470         HideInsetCursor(bv);
 471 //      setPos(bv->painter(), x, y);
 472 //      selection_end_cursor = cursor;
 473 //      if (old != selection_end_cursor)
 474 //          UpdateLocal(bv, false, false);
 475         ShowInsetCursor(bv);
 476     }
 477     no_selection = false;
 478 }
 479
 480
 481 void InsetText::InsetKeyPress(XKeyEvent * xke)
 482 {
 483     if (the_locking_inset) {
 484         the_locking_inset->InsetKeyPress(xke);
 485         return;
 486     }
 487 }
 488
 489
 490 UpdatableInset::RESULT
 491 InsetText::LocalDispatch(BufferView * bv,
 492                          int action, string const & arg)
 493 {
 494     no_selection = false;
 495     UpdatableInset::RESULT
 496         result= UpdatableInset::LocalDispatch(bv, action, arg);
 497     if (result != UNDISPATCHED) {
 498 //      resetPos(bv->painter());
 499         return DISPATCHED;
 500     }
 501
 502     result=DISPATCHED;
 503     if ((action < 0) && arg.empty())
 504         return FINISHED;
 505
 506     if (the_locking_inset) {
 507         result = the_locking_inset->LocalDispatch(bv, action, arg);
 508         if (result == DISPATCHED_NOUPDATE)
 509             return result;
 510         else if (result == DISPATCHED) {
 511             the_locking_inset->ToggleInsetCursor(bv);
 512             UpdateLocal(bv, FULL, false);
 513             the_locking_inset->ToggleInsetCursor(bv);
 514             return result;
 515         } else if (result == FINISHED) {
 516             switch(action) {
 517             case -1:
 518             case LFUN_RIGHT:
 519                 moveRight(bv);
 520 //              TEXT(bv)->cursor.pos(inset_pos + 1);
 521 //              resetPos(bv->painter());
 522                 break;
 523             case LFUN_DOWN:
 524                 moveDown(bv);
 525                 break;
 526             }
 527             the_locking_inset = 0;
 528             return DISPATCHED;
 529         }
 530     }
 531     HideInsetCursor(bv);
 532     switch (action) {
 533         // Normal chars
 534     case -1:
 535         if (bv->buffer()->isReadonly()) {
 536             LyXBell();
 537 //          setErrorMessage(N_("Document is read only"));
 538             break;
 539         }
 540         if (!arg.empty()) {
 541             /* Automatically delete the currently selected
 542              * text and replace it with what is being
 543              * typed in now. Depends on lyxrc settings
 544              * "auto_region_delete", which defaults to
 545              * true (on). */
 546
 547             bv->text->SetUndo(bv->buffer(), Undo::INSERT,
 548                               bv->text->cursor.par()->ParFromPos(bv->text->cursor.pos())->previous,
 549                               bv->text->cursor.par()->ParFromPos(bv->text->cursor.pos())->next);
 550             if (lyxrc.auto_region_delete) {
 551                 if (TEXT(bv)->selection){
 552                     TEXT(bv)->CutSelection(bv, false);
 553                 }
 554             }
 555             TEXT(bv)->ClearSelection();
 556             for (string::size_type i = 0; i < arg.length(); ++i) {
 557                 bv->owner()->getIntl()->getTrans()->TranslateAndInsert(arg[i], TEXT(bv));
 558             }
 559         }
 560         UpdateLocal(bv, CURSOR_PAR, true);
 561         break;
 562         // --- Cursor Movements ---------------------------------------------
 563     case LFUN_RIGHTSEL:
 564         bv->text->FinishUndo();
 565         moveRight(bv, false);
 566         TEXT(bv)->SetSelection();
 567         UpdateLocal(bv, CURSOR_PAR, false);
 568         break;
 569     case LFUN_RIGHT:
 570         bv->text->FinishUndo();
 571         result = moveRight(bv);
 572         TEXT(bv)->selection = 0;
 573         TEXT(bv)->sel_cursor = TEXT(bv)->cursor;
 574         UpdateLocal(bv, CURSOR_PAR, false);
 575         break;
 576     case LFUN_LEFTSEL:
 577         bv->text->FinishUndo();
 578         moveLeft(bv, false);
 579         TEXT(bv)->SetSelection();
 580         UpdateLocal(bv, CURSOR_PAR, false);
 581         break;
 582     case LFUN_LEFT:
 583         bv->text->FinishUndo();
 584         result= moveLeft(bv);
 585         TEXT(bv)->selection = 0;
 586         TEXT(bv)->sel_cursor = TEXT(bv)->cursor;
 587         UpdateLocal(bv, CURSOR_PAR, false);
 588         break;
 589     case LFUN_DOWNSEL:
 590         bv->text->FinishUndo();
 591         moveDown(bv);
 592         TEXT(bv)->SetSelection();
 593         UpdateLocal(bv, CURSOR_PAR, false);
 594         break;
 595     case LFUN_DOWN:
 596         bv->text->FinishUndo();
 597         result = moveDown(bv);
 598         TEXT(bv)->selection = 0;
 599         TEXT(bv)->sel_cursor = TEXT(bv)->cursor;
 600         UpdateLocal(bv, CURSOR_PAR, false);
 601         break;
 602     case LFUN_UPSEL:
 603         bv->text->FinishUndo();
 604         moveUp(bv);
 605         TEXT(bv)->SetSelection();
 606         UpdateLocal(bv, CURSOR_PAR, false);
 607         break;
 608     case LFUN_UP:
 609         bv->text->FinishUndo();
 610         result = moveUp(bv);
 611         TEXT(bv)->selection = 0;
 612         TEXT(bv)->sel_cursor = TEXT(bv)->cursor;
 613         UpdateLocal(bv, CURSOR_PAR, false);
 614         break;
 615     case LFUN_HOME:
 616         bv->text->FinishUndo();
 617         TEXT(bv)->CursorHome(bv);
 618         TEXT(bv)->selection = 0;
 619         TEXT(bv)->sel_cursor = TEXT(bv)->cursor;
 620         UpdateLocal(bv, CURSOR_PAR, false);
 621         break;
 622     case LFUN_END:
 623         TEXT(bv)->CursorEnd(bv);
 624         TEXT(bv)->selection = 0;
 625         TEXT(bv)->sel_cursor = TEXT(bv)->cursor;
 626         UpdateLocal(bv, CURSOR_PAR, false);
 627         break;
 628     case LFUN_BACKSPACE:
 629         bv->text->SetUndo(bv->buffer(), Undo::DELETE,
 630           bv->text->cursor.par()->ParFromPos(bv->text->cursor.pos())->previous,
 631           bv->text->cursor.par()->ParFromPos(bv->text->cursor.pos())->next);
 632         TEXT(bv)->Backspace(bv);
 633         UpdateLocal(bv, CURSOR_PAR, true);
 634         break;
 635     case LFUN_DELETE:
 636         bv->text->SetUndo(bv->buffer(), Undo::DELETE,
 637           bv->text->cursor.par()->ParFromPos(bv->text->cursor.pos())->previous,
 638           bv->text->cursor.par()->ParFromPos(bv->text->cursor.pos())->next);
 639         TEXT(bv)->Delete(bv);
 640         UpdateLocal(bv, CURSOR_PAR, true);
 641         break;
 642     case LFUN_CUT:
 643         bv->text->SetUndo(bv->buffer(), Undo::DELETE,
 644           bv->text->cursor.par()->ParFromPos(bv->text->cursor.pos())->previous,
 645           bv->text->cursor.par()->ParFromPos(bv->text->cursor.pos())->next);
 646         TEXT(bv)->CutSelection(bv);
 647         UpdateLocal(bv, CURSOR_PAR, true);
 648         break;
 649     case LFUN_COPY:
 650         bv->text->FinishUndo();
 651         TEXT(bv)->CopySelection(bv);
 652         UpdateLocal(bv, CURSOR_PAR, false);
 653         break;
 654     case LFUN_PASTE:
 655         bv->text->SetUndo(bv->buffer(), Undo::INSERT,
 656           bv->text->cursor.par()->ParFromPos(bv->text->cursor.pos())->previous,
 657           bv->text->cursor.par()->ParFromPos(bv->text->cursor.pos())->next);
 658         TEXT(bv)->PasteSelection(bv);
 659         UpdateLocal(bv, CURSOR_PAR, true);
 660         break;
 661     case LFUN_BREAKPARAGRAPH:
 662         if (!autoBreakRows)
 663             return DISPATCHED;
 664         TEXT(bv)->BreakParagraph(bv, 0);
 665         UpdateLocal(bv, CURSOR_PAR, true);
 666         break;
 667     case LFUN_BREAKLINE:
 668         if (!autoBreakRows)
 669             return DISPATCHED;
 670         bv->text->SetUndo(bv->buffer(), Undo::INSERT,
 671             bv->text->cursor.par()->ParFromPos(bv->text->cursor.pos())->previous,
 672             bv->text->cursor.par()->ParFromPos(bv->text->cursor.pos())->next);
 673         TEXT(bv)->InsertChar(bv, LyXParagraph::META_NEWLINE);
 674         UpdateLocal(bv, CURSOR_PAR, true);
 675         break;
 676     case LFUN_LAYOUT:
 677     {
 678       static LyXTextClass::size_type cur_layout = cpar(bv)->layout;
 679
 680         // Derive layout number from given argument (string)
 681         // and current buffer's textclass (number). */
 682         LyXTextClassList::ClassList::size_type tclass =
 683             bv->buffer()->params.textclass;
 684         std::pair <bool, LyXTextClass::size_type> layout =
 685             textclasslist.NumberOfLayout(tclass, arg);
 686
 687         // If the entry is obsolete, use the new one instead.
 688         if (layout.first) {
 689             string obs = textclasslist.Style(tclass,layout.second).
 690                 obsoleted_by();
 691             if (!obs.empty())
 692                 layout = textclasslist.NumberOfLayout(tclass, obs);
 693         }
 694
 695         // see if we found the layout number:
 696         if (!layout.first) {
 697             string msg = string(N_("Layout ")) + arg + N_(" not known");
 698
 699             bv->owner()->getMiniBuffer()->Set(msg);
 700             break;
 701         }
 702
 703         if (cur_layout != layout.second) {
 704             cur_layout = layout.second;
 705             TEXT(bv)->SetLayout(bv, layout.second);
 706             bv->owner()->getToolbar()->combox->select(cpar(bv)->GetLayout()+1);
 707             UpdateLocal(bv, CURSOR_PAR, true);
 708         }
 709     }
 710     break;
 711     default:
 712         result = UNDISPATCHED;
 713         break;
 714     }
 715     if (result != FINISHED) {
 716         ShowInsetCursor(bv);
 717     } else
 718         bv->unlockInset(this);
 719     return result;
 720 }
 721
 722
 723 int InsetText::Latex(Buffer const * buf, ostream & os, bool, bool) const
 724 {
 725     TexRow texrow;
 726     buf->latexParagraphs(os, par, 0, texrow);
 727     return texrow.rows();
 728 }
 729
 730
 731 void InsetText::Validate(LaTeXFeatures & features) const
 732 {
 733     LyXParagraph * p = par;
 734     while(p) {
 735         p->validate(features);
 736         p = p->next;
 737     }
 738 }
 739
 740
 741 int InsetText::BeginningOfMainBody(Buffer const * buf, LyXParagraph * p) const
 742 {
 743     if (textclasslist.Style(buf->params.textclass,
 744                             p->GetLayout()).labeltype != LABEL_MANUAL)
 745         return 0;
 746     else
 747         return p->BeginningOfMainBody();
 748 }
 749
 750
 751 void InsetText::GetCursorPos(BufferView * bv, int & x, int & y) const
 752 {
 753     x = cx(bv);
 754     y = cy(bv);
 755 }
 756
 757
 758 int InsetText::InsetInInsetY()
 759 {
 760     if (!the_locking_inset)
 761         return 0;
 762
 763     return (inset_y + the_locking_inset->InsetInInsetY());
 764 }
 765
 766
 767 void InsetText::ToggleInsetCursor(BufferView * bv)
 768 {
 769     if (the_locking_inset) {
 770         the_locking_inset->ToggleInsetCursor(bv);
 771         return;
 772     }
 773
 774     LyXFont font = TEXT(bv)->GetFont(bv->buffer(), cpar(bv), cpos(bv));
 775
 776     int asc = lyxfont::maxAscent(font);
 777     int desc = lyxfont::maxDescent(font);
 778
 779     if (cursor_visible)
 780         bv->hideLockedInsetCursor();
 781     else
 782         bv->showLockedInsetCursor(cx(bv), cy(bv),
 783                                   asc, desc);
 784     cursor_visible = !cursor_visible;
 785 }
 786
 787
 788 void InsetText::ShowInsetCursor(BufferView * bv)
 789 {
 790     if (the_locking_inset) {
 791         the_locking_inset->ShowInsetCursor(bv);
 792         return;
 793     }
 794     if (!cursor_visible) {
 795         LyXFont font = TEXT(bv)->GetFont(bv->buffer(), cpar(bv), cpos(bv));
 796
 797         int asc = lyxfont::maxAscent(font);
 798         int desc = lyxfont::maxDescent(font);
 799
 800         bv->fitLockedInsetCursor(cx(bv), cy(bv), asc, desc);
 801         bv->showLockedInsetCursor(cx(bv), cy(bv), asc, desc);
 802         cursor_visible = true;
 803     }
 804 }
 805
 806
 807 void InsetText::HideInsetCursor(BufferView * bv)
 808 {
 809     if (cursor_visible) {
 810         bv->hideLockedInsetCursor();
 811         cursor_visible = false;
 812     }
 813     if (the_locking_inset)
 814         the_locking_inset->HideInsetCursor(bv);
 815 }
 816
 817
 818 UpdatableInset::RESULT
 819 InsetText::moveRight(BufferView * bv, bool activate_inset)
 820 {
 821     if (!cpar(bv)->next && (cpos(bv) >= cpar(bv)->Last()))
 822         return FINISHED;
 823     if (activate_inset && checkAndActivateInset(bv)) {
 824         return DISPATCHED;
 825     }
 826     TEXT(bv)->CursorRight(bv);
 827 //    real_current_font = current_font = GetFont(bv->buffer(), cpar(bv), cpos(bv));
 828     return DISPATCHED_NOUPDATE;
 829 }
 830
 831
 832 UpdatableInset::RESULT
 833 InsetText::moveLeft(BufferView * bv, bool activate_inset)
 834 {
 835     if (!cpar(bv)->previous && (cpos(bv) <= 0))
 836         return FINISHED;
 837     TEXT(bv)->CursorLeft(bv);
 838     if (activate_inset)
 839         if (checkAndActivateInset(bv, -1, -1))
 840             return DISPATCHED;
 841     return DISPATCHED_NOUPDATE;
 842 }
 843
 844
 845 UpdatableInset::RESULT
 846 InsetText::moveUp(BufferView * bv)
 847 {
 848     if (!crow(bv)->previous())
 849         return FINISHED;
 850     TEXT(bv)->CursorUp(bv);
 851     return DISPATCHED_NOUPDATE;
 852 }
 853
 854
 855 UpdatableInset::RESULT
 856 InsetText::moveDown(BufferView * bv)
 857 {
 858     if (!crow(bv)->next())
 859         return FINISHED;
 860     TEXT(bv)->CursorDown(bv);
 861     return DISPATCHED_NOUPDATE;
 862 }
 863
 864
 865 bool InsetText::InsertInset(BufferView * bv, Inset * inset)
 866 {
 867     if (the_locking_inset) {
 868         if (the_locking_inset->InsertInsetAllowed(inset))
 869             return the_locking_inset->InsertInset(bv, inset);
 870         return false;
 871     }
 872     bv->text->SetUndo(bv->buffer(), Undo::INSERT,
 873               bv->text->cursor.par()->ParFromPos(bv->text->cursor.pos())->previous,
 874               bv->text->cursor.par()->ParFromPos(bv->text->cursor.pos())->next);
 875     if (inset->Editable() == Inset::IS_EDITABLE) {
 876         UpdatableInset * i = static_cast<UpdatableInset *>(inset);
 877         i->setOwner(static_cast<UpdatableInset *>(this));
 878     }
 879     cpar(bv)->InsertChar(cpos(bv), LyXParagraph::META_INSET);
 880     cpar(bv)->InsertInset(cpos(bv), inset);
 881     TEXT(bv)->selection = 0;
 882     UpdateLocal(bv, CURSOR_PAR, true);
 883     static_cast<UpdatableInset*>(inset)->Edit(bv, 0, 0, 0);
 884     return true;
 885 }
 886
 887
 888 UpdatableInset * InsetText::GetLockingInset()
 889 {
 890     return the_locking_inset ? the_locking_inset->GetLockingInset() : this;
 891 }
 892
 893
 894 UpdatableInset * InsetText::GetFirstLockingInsetOfType(Inset::Code c)
 895 {
 896     if (c == LyxCode())
 897         return this;
 898     if (the_locking_inset)
 899         return the_locking_inset->GetFirstLockingInsetOfType(c);
 900     return 0;
 901 }
 902
 903
 904 void InsetText::SetFont(BufferView * bv, LyXFont const & font, bool toggleall)
 905 {
 906     TEXT(bv)->SetFont(bv, font, toggleall);
 907 }
 908
 909
 910 void InsetText::UpdateLocal(BufferView * bv, UpdateCodes what, bool mark_dirty)
 911 {
 912     need_update = what;
 913     bv->updateInset(this, mark_dirty);
 914     if (old_par != cpar(bv)) {
 915             bv->owner()->getToolbar()->combox->select(cpar(bv)->GetLayout()+1);
 916             old_par = cpar(bv);
 917     }
 918 }
 919
 920
 921 bool InsetText::checkAndActivateInset(BufferView * bv, int x, int y,
 922                                       int button)
 923 {
 924     if (cpar(bv)->GetChar(cpos(bv)) == LyXParagraph::META_INSET) {
 925         UpdatableInset * inset =
 926             static_cast<UpdatableInset*>(cpar(bv)->GetInset(cpos(bv)));
 927         LyXFont font = TEXT(bv)->GetFont(bv->buffer(), cpar(bv), cpos(bv));
 928         if (x < 0)
 929             x = inset->width(bv->painter(), font);
 930         if (y < 0)
 931             y = inset->descent(bv->painter(), font);
 932         inset_x = cx(bv) - top_x + drawTextXOffset;
 933         inset_y = cy(bv) + drawTextYOffset;
 934         inset->Edit(bv, x - inset_x, y - inset_y, button);
 935         if (!the_locking_inset)
 936             return false;
 937         UpdateLocal(bv, CURSOR_PAR, false);
 938         return true;
 939     }
 940     return false;
 941 }
 942
 943
 944 int InsetText::getMaxTextWidth(Painter & pain, UpdatableInset const * inset) const
 945 {
 946     return getMaxWidth(pain, inset) - 4; // 2+2 width of eventual border
 947 }
 948
 949 void InsetText::SetParagraphData(LyXParagraph *p)
 950 {
 951     LyXParagraph * np;
 952
 953     if (par) {
 954         np = par->next;
 955         delete par;
 956         while(np) {
 957             par = np;
 958             np = np->next;
 959             delete par;
 960         }
 961     }
 962     par = p->Clone();
 963     par->SetInsetOwner(this);
 964     np = par;
 965     while(p->next) {
 966         p = p->next;
 967         np->next = p->Clone();
 968         np->next->previous = np;
 969         np = np->next;
 970         np->SetInsetOwner(this);
 971     }
 972     need_update = INIT;
 973 }
 974
 975 void InsetText::SetAutoBreakRows(bool flag)
 976 {
 977     if (flag != autoBreakRows) {
 978         autoBreakRows = flag;
 979         need_update = FULL;
 980     }
 981 }
 982
 983 void InsetText::SetDrawLockedFrame(bool flag)
 984 {
 985     if (flag != drawLockedFrame)
 986         drawLockedFrame = flag;
 987 }
 988
 989 void InsetText::SetFrameColor(LColor::color col)
 990 {
 991     if (frame_color != col)
 992         frame_color = col;
 993 }
 994
 995 LyXFont InsetText::GetDrawFont(BufferView * bv, LyXParagraph * p, int pos) const
 996 {
 997     return TEXT(bv)->GetFont(bv->buffer(), p, pos);
 998 }
 999
1000 int InsetText::cx(BufferView * bv) const
1001 {
1002     return TEXT(bv)->cursor.x() + top_x + 1;
1003 }
1004
1005 int InsetText::cy(BufferView * bv) const
1006 {
1007     long int y_dummy = 0;
1008     Row * tmprow = TEXT(bv)->GetRowNearY(y_dummy);
1009     return TEXT(bv)->cursor.y() - tmprow->baseline();
1010 }
1011
1012 int InsetText::cpos(BufferView * bv) const
1013 {
1014     return TEXT(bv)->cursor.pos();
1015 }
1016
1017 LyXParagraph * InsetText::cpar(BufferView * bv) const
1018 {
1019     return TEXT(bv)->cursor.par();
1020 }
1021
1022 Row * InsetText::crow(BufferView * bv) const
1023 {
1024     return TEXT(bv)->cursor.row();
1025 }
1026
1027 LyXText * InsetText::getLyXText(BufferView * bv) const
1028 {
1029     if (cache.find(bv) != cache.end())
1030         return cache[bv];
1031     LyXText *lt = new LyXText(const_cast<InsetText *>(this));
1032     lt->init(bv);
1033     cache[bv] = lt;
1034     return lt;
1035 }
1036
1037 void InsetText::deleteLyXText(BufferView * bv)
1038 {
1039     cache.erase(bv);
1040 }