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 InsetText::InsetText()
  60 {
  61     par = new LyXParagraph();
  62     init();
  63 }
  64
  65
  66 InsetText::InsetText(InsetText const & ins)
  67         : UpdatableInset()
  68 {
  69     par = 0;
  70     init(&ins);
  71     autoBreakRows = ins.autoBreakRows;
  72 }
  73
  74
  75 InsetText & InsetText::operator=(InsetText const & it)
  76 {
  77     init(&it);
  78     autoBreakRows = it.autoBreakRows;
  79     return * this;
  80 }
  81
  82 void InsetText::init(InsetText const * ins)
  83 {
  84     top_y = last_width = last_height = 0;
  85     insetAscent = insetDescent = insetWidth = 0;
  86     the_locking_inset = 0;
  87     cursor_visible = false;
  88     interline_space = 1;
  89     no_selection = false;
  90     need_update = INIT;
  91     drawTextXOffset = drawTextYOffset = 0;
  92     autoBreakRows = false;
  93     drawFrame = NEVER;
  94     xpos = 0.0;
  95     if (ins) {
  96         SetParagraphData(ins->par);
  97         autoBreakRows = ins->autoBreakRows;
  98         drawFrame = ins->drawFrame;
  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;
 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 = par->next;
 151     delete par;
 152     while(p) {
 153         par = p;
 154         p = p->next;
 155         delete par;
 156     }
 157     par = new LyXParagraph;
 158     while (lex.IsOK()) {
 159         lex.nextToken();
 160         token = lex.GetString();
 161         if (token.empty())
 162             continue;
 163         if (token == "\\end_inset")
 164             break;
 165         if (const_cast<Buffer*>(buf)->parseSingleLyXformat2Token(lex, par, return_par,
 166                                             token, pos, depth,
 167                                             font, footnoteflag,
 168                                             footnotekind)) {
 169             // the_end read this should NEVER happen
 170             lex.printError("\\the_end read in inset! Error in document!");
 171             return;
 172         }
 173     }
 174     if (!return_par)
 175             return_par = par;
 176     par = return_par;
 177     while(return_par) {
 178         return_par->SetInsetOwner(this);
 179         return_par = return_par->next;
 180     }
 181
 182     if (token != "\\end_inset") {
 183         lex.printError("Missing \\end_inset at this point. "
 184                        "Read: `$$Token'");
 185     }
 186     need_update = INIT;
 187 }
 188
 189
 190 int InsetText::ascent(Painter &, LyXFont const &) const
 191 {
 192     return insetAscent;
 193 }
 194
 195
 196 int InsetText::descent(Painter &, LyXFont const &) const
 197 {
 198     return insetDescent;
 199 }
 200
 201
 202 int InsetText::width(Painter &, LyXFont const &) const
 203 {
 204     return insetWidth;
 205 }
 206
 207
 208 int InsetText::textWidth(Painter & pain) const
 209 {
 210     int w = getMaxWidth(pain, this);
 211     if (w < 0) {
 212 //      printf("WW1: %d\n",w);
 213         return w;
 214     }
 215 #if 0
 216     if (owner()) {
 217         w = w - top_x; // + owner()->x();
 218 //      printf("WW2: %d\n",w);
 219         return w; // - top_x + owner()->x();
 220     }
 221 #endif
 222     w -= (2 * TEXT_TO_INSET_OFFSET);
 223 //    printf("WW2: %d\n",w);
 224     return w - top_x; // - top_x - (2 * TEXT_TO_INSET_OFFSET);
 225 }
 226
 227
 228 void InsetText::draw(BufferView * bv, LyXFont const & f,
 229                      int baseline, float & x, bool cleared) const
 230 {
 231     Painter & pain = bv->painter();
 232
 233     if (!cleared && ((need_update==FULL) || (top_x!=int(x)) ||
 234                      (top_baseline!=baseline))) {
 235         int w =  insetWidth;
 236         int h = insetAscent + insetDescent;
 237         int ty = baseline - insetAscent;
 238
 239         if (ty < 0)
 240             ty = 0;
 241         if ((ty + h) > pain.paperHeight())
 242             h = pain.paperHeight();
 243         if ((top_x + drawTextXOffset + w) > pain.paperWidth())
 244             w = pain.paperWidth();
 245         pain.fillRectangle(top_x+drawTextXOffset, ty, w, h);
 246         cleared = true;
 247         need_update = FULL;
 248     }
 249
 250     if (!cleared && (need_update == NONE))
 251         return;
 252
 253     xpos = x;
 254     UpdatableInset::draw(bv, f, baseline, x, cleared);
 255
 256     top_baseline = baseline;
 257     top_x = int(x);
 258     top_y = baseline - ascent(pain, f);
 259     last_width = width(pain, f);
 260     last_height = ascent(pain, f) + descent(pain, f);
 261
 262     if (the_locking_inset && (cpar(bv) == inset_par) && (cpos(bv) == inset_pos)) {
 263         inset_x = cx(bv) - top_x + drawTextXOffset;
 264         inset_y = cy(bv) + drawTextYOffset;
 265     }
 266     if (!cleared && (need_update == CURSOR)) {
 267         x += width(pain, f);
 268         need_update = NONE;
 269         return;
 270     }
 271     x += TEXT_TO_INSET_OFFSET; // place for border
 272     long int y = 0;
 273     Row * row = TEXT(bv)->GetRowNearY(y);
 274     y += baseline - row->ascent_of_text() + 1;
 275     if (cleared || !locked || (need_update == FULL)) {
 276         while (row != 0) {
 277             TEXT(bv)->GetVisibleRow(bv, y, x, row, y, cleared);
 278             y += row->height();
 279             row = row->next();
 280         }
 281     } else if (need_update == SELECTION) {
 282         bv->screen()->ToggleToggle(getLyXText(bv), y, x);
 283     } else {
 284         locked = false;
 285         bv->screen()->Update(TEXT(bv), y, x);
 286         locked = true;
 287     }
 288     TEXT(bv)->refresh_y = 0;
 289     TEXT(bv)->status = LyXText::UNCHANGED;
 290     if ((drawFrame == ALWAYS) || ((drawFrame == LOCKED) && locked)) {
 291             pain.rectangle(top_x, baseline - insetAscent, insetWidth,
 292                            insetAscent + insetDescent, frame_color);
 293     } else if (need_update == CLEAR_FRAME) {
 294             pain.rectangle(top_x, baseline - insetAscent, insetWidth,
 295                            insetAscent + insetDescent,
 296                            LColor::background);
 297     }
 298     x += insetWidth - TEXT_TO_INSET_OFFSET;
 299     need_update = NONE;
 300 }
 301
 302
 303 void InsetText::update(BufferView * bv, LyXFont const & font, bool dodraw)
 304 {
 305     if (the_locking_inset)
 306         the_locking_inset->update(bv, font, dodraw);
 307     if (need_update == INIT) {
 308         deleteLyXText(bv);
 309         need_update = FULL;
 310     }
 311     int oldw = insetWidth;
 312 #if 1
 313     insetWidth = TEXT(bv)->width + (2 * TEXT_TO_INSET_OFFSET);
 314     // max(textWidth(bv->painter()),
 315     // static_cast<int>(TEXT(bv)->width) + drawTextXOffset) +
 316     // (2 * TEXT_TO_INSET_OFFSET);
 317 #else
 318     insetWidth = textWidth(bv->painter());
 319     if (insetWidth < 0)
 320             insetWidth = static_cast<int>(TEXT(bv)->width);
 321 #endif
 322     if (oldw != insetWidth) {
 323             printf("TW(%p): %d-%d-%d-%d\n",this,insetWidth, oldw,
 324                    textWidth(bv->painter()),static_cast<int>(TEXT(bv)->width));
 325         deleteLyXText(bv);
 326         need_update = FULL;
 327 #if 0
 328         if (owner()) {
 329             owner()->update(bv, font, dodraw);
 330             return;
 331         } else {
 332             update(bv, font, dodraw);
 333         }
 334 #else
 335 #if 1
 336         update(bv, font, dodraw);
 337 #else
 338         UpdateLocal(bv, INIT, false);
 339 #endif
 340 #endif
 341         return;
 342     }
 343     if (dodraw && (need_update != CURSOR))
 344             need_update = FULL;
 345
 346     TEXT(bv)->FullRebreak(bv);
 347
 348     if ((need_update==CURSOR_PAR) && (TEXT(bv)->status==LyXText::UNCHANGED) &&
 349         the_locking_inset)
 350     {
 351         TEXT(bv)->UpdateInset(bv, the_locking_inset);
 352     }
 353
 354     if (TEXT(bv)->status == LyXText::NEED_MORE_REFRESH)
 355         need_update = FULL;
 356
 357     long int y_temp = 0;
 358     Row * row = TEXT(bv)->GetRowNearY(y_temp);
 359     insetAscent = row->ascent_of_text() + TEXT_TO_INSET_OFFSET;
 360     insetDescent = TEXT(bv)->height - row->ascent_of_text() +
 361         TEXT_TO_INSET_OFFSET;
 362 }
 363
 364
 365 void InsetText::UpdateLocal(BufferView * bv, UpdateCodes what, bool mark_dirty)
 366 {
 367     TEXT(bv)->FullRebreak(bv);
 368     if (TEXT(bv)->status == LyXText::NEED_MORE_REFRESH)
 369         need_update = FULL;
 370     else if (!the_locking_inset || (what != CURSOR))
 371         need_update = what;
 372     if ((need_update != CURSOR) || (TEXT(bv)->status != LyXText::UNCHANGED))
 373             bv->updateInset(this, mark_dirty);
 374     if (old_par != cpar(bv)) {
 375             bv->owner()->getToolbar()->combox->select(cpar(bv)->GetLayout()+1);
 376             old_par = cpar(bv);
 377     }
 378 }
 379
 380
 381 char const * InsetText::EditMessage() const
 382 {
 383     return _("Opened Text Inset");
 384 }
 385
 386
 387 void InsetText::Edit(BufferView * bv, int x, int y, unsigned int button)
 388 {
 389 //    par->SetInsetOwner(this);
 390     UpdatableInset::Edit(bv, x, y, button);
 391
 392     if (!bv->lockInset(this)) {
 393         lyxerr[Debug::INSETS] << "Cannot lock inset" << endl;
 394         return;
 395     }
 396     locked = true;
 397     the_locking_inset = 0;
 398     inset_pos = inset_x = inset_y = 0;
 399     inset_par = 0;
 400     if (!checkAndActivateInset(bv, x, y, button))
 401         TEXT(bv)->SetCursorFromCoordinates(bv, x-drawTextXOffset, y);
 402     TEXT(bv)->sel_cursor = TEXT(bv)->cursor;
 403     bv->text->FinishUndo();
 404     UpdateLocal(bv, FULL, false);
 405 }
 406
 407
 408 void InsetText::InsetUnlock(BufferView * bv)
 409 {
 410     if (the_locking_inset) {
 411         the_locking_inset->InsetUnlock(bv);
 412         the_locking_inset = 0;
 413     }
 414     HideInsetCursor(bv);
 415     no_selection = false;
 416     locked = false;
 417     TEXT(bv)->selection = 0;
 418     UpdateLocal(bv, CLEAR_FRAME, false);
 419     bv->owner()->getToolbar()->combox->select(bv->text->cursor.par()->GetLayout()+1);
 420 }
 421
 422
 423 bool InsetText::LockInsetInInset(BufferView * bv, UpdatableInset * inset)
 424 {
 425     lyxerr[Debug::INSETS] << "InsetText::LockInsetInInset(" << inset << "): ";
 426     if (!inset)
 427         return false;
 428     if (inset == cpar(bv)->GetInset(cpos(bv))) {
 429         lyxerr[Debug::INSETS] << "OK" << endl;
 430         the_locking_inset = inset;
 431         inset_x = cx(bv) - top_x + drawTextXOffset;
 432         inset_y = cy(bv) + drawTextYOffset;
 433         inset_pos = cpos(bv);
 434         inset_par = cpar(bv);
 435         TEXT(bv)->UpdateInset(bv, the_locking_inset);
 436         return true;
 437     } else if (the_locking_inset && (the_locking_inset == inset)) {
 438         if (cpar(bv) == inset_par && cpos(bv) == inset_pos) {
 439             lyxerr[Debug::INSETS] << "OK" << endl;
 440             inset_x = cx(bv) - top_x + drawTextXOffset;
 441             inset_y = cy(bv) + drawTextYOffset;
 442         } else {
 443             lyxerr[Debug::INSETS] << "cursor.pos != inset_pos" << endl;
 444         }
 445     } else if (the_locking_inset) {
 446         lyxerr[Debug::INSETS] << "MAYBE" << endl;
 447         return the_locking_inset->LockInsetInInset(bv, inset);
 448     }
 449     lyxerr[Debug::INSETS] << "NOT OK" << endl;
 450     return false;
 451 }
 452
 453
 454 bool InsetText::UnlockInsetInInset(BufferView * bv, UpdatableInset * inset,
 455                                    bool lr)
 456 {
 457     if (!the_locking_inset)
 458         return false;
 459     if (the_locking_inset == inset) {
 460         the_locking_inset->InsetUnlock(bv);
 461         TEXT(bv)->UpdateInset(bv, inset);
 462         the_locking_inset = 0;
 463         if (lr)
 464             moveRight(bv, false);
 465         UpdateLocal(bv, CURSOR_PAR, false);
 466         return true;
 467     }
 468     return the_locking_inset->UnlockInsetInInset(bv, inset, lr);
 469 }
 470
 471
 472 bool InsetText::UpdateInsetInInset(BufferView * bv, Inset * inset)
 473 {
 474     if (!the_locking_inset)
 475         return false;
 476     if (the_locking_inset != inset) {
 477         TEXT(bv)->UpdateInset(bv, the_locking_inset);
 478         need_update = CURSOR_PAR;
 479         return the_locking_inset->UpdateInsetInInset(bv, inset);
 480     }
 481 //    UpdateLocal(bv, FULL, false);
 482     if (TEXT(bv)->UpdateInset(bv, inset))
 483         UpdateLocal(bv, CURSOR_PAR, false);
 484     if (cpar(bv) == inset_par && cpos(bv) == inset_pos) {
 485         inset_x = cx(bv) - top_x + drawTextXOffset;
 486         inset_y = cy(bv) + drawTextYOffset;
 487     }
 488     return true;
 489 }
 490
 491
 492 void InsetText::InsetButtonPress(BufferView * bv, int x, int y, int button)
 493 {
 494     if (TEXT(bv)->selection) {
 495         TEXT(bv)->selection = 0;
 496         UpdateLocal(bv, FULL, false);
 497     }
 498     no_selection = false;
 499
 500     int tmp_x = x - drawTextXOffset;
 501 //    int tmp_y = y + TEXT(bv)->first + insetAscent;
 502     int tmp_y = y + insetAscent;
 503     Inset * inset = bv->checkInsetHit(TEXT(bv), tmp_x, tmp_y, button);
 504
 505     if (the_locking_inset) {
 506         if (the_locking_inset == inset) {
 507             the_locking_inset->InsetButtonPress(bv,x-inset_x,y-inset_y,button);
 508             return;
 509         } else if (inset) {
 510             // otherwise unlock the_locking_inset and lock the new inset
 511             the_locking_inset->InsetUnlock(bv);
 512             inset_x = cx(bv) - top_x + drawTextXOffset;
 513             inset_y = cy(bv) + drawTextYOffset;
 514             inset->InsetButtonPress(bv, x - inset_x, y - inset_y, button);
 515             inset->Edit(bv, x - inset_x, y - inset_y, button);
 516             if (the_locking_inset)
 517                 UpdateLocal(bv, CURSOR_PAR, false);
 518             return;
 519         }
 520         // otherwise only unlock the_locking_inset
 521         the_locking_inset->InsetUnlock(bv);
 522         the_locking_inset = 0;
 523     }
 524     if (bv->the_locking_inset) {
 525         if (inset && inset->Editable() == Inset::HIGHLY_EDITABLE) {
 526             UpdatableInset * uinset = static_cast<UpdatableInset*>(inset);
 527             inset_x = cx(bv) - top_x + drawTextXOffset;
 528             inset_y = cy(bv) + drawTextYOffset;
 529             inset_pos = cpos(bv);
 530             inset_par = cpar(bv);
 531             uinset->InsetButtonPress(bv, x - inset_x, y - inset_y, button);
 532             uinset->Edit(bv, x - inset_x, y - inset_y, 0);
 533             if (the_locking_inset)
 534                 UpdateLocal(bv, CURSOR_PAR, false);
 535             return;
 536         }
 537     }
 538     if (!inset)
 539         TEXT(bv)->SetCursorFromCoordinates(bv, x-drawTextXOffset,
 540                                            y+TEXT(bv)->first+insetAscent);
 541 }
 542
 543
 544 void InsetText::InsetButtonRelease(BufferView * bv, int x, int y, int button)
 545 {
 546     UpdatableInset * inset = 0;
 547
 548     if (the_locking_inset) {
 549             the_locking_inset->InsetButtonRelease(bv, x-inset_x, y-inset_y,button);
 550     } else {
 551         if (cpar(bv)->GetChar(cpos(bv)) == LyXParagraph::META_INSET) {
 552             inset = static_cast<UpdatableInset*>(cpar(bv)->GetInset(cpos(bv)));
 553             if (inset->Editable() == Inset::HIGHLY_EDITABLE) {
 554                 inset->InsetButtonRelease(bv, x - inset_x, y - inset_y,button);
 555             } else {
 556                 inset_x = cx(bv) - top_x + drawTextXOffset;
 557                 inset_y = cy(bv) + drawTextYOffset;
 558                 inset->InsetButtonRelease(bv, x - inset_x, y - inset_y,button);
 559                 inset->Edit(bv, x - inset_x, y - inset_y, button);
 560             }
 561         }
 562     }
 563     no_selection = false;
 564 }
 565
 566
 567 void InsetText::InsetMotionNotify(BufferView * bv, int x, int y, int state)
 568 {
 569     if (the_locking_inset) {
 570         the_locking_inset->InsetMotionNotify(bv, x - inset_x,
 571                                              y - inset_y,state);
 572         return;
 573     }
 574 #warning REDO this (Jug)
 575     if (!no_selection) {
 576 //      LyXCursor old = selection_end_cursor;
 577         HideInsetCursor(bv);
 578 //      setPos(bv->painter(), x, y);
 579 //      selection_end_cursor = cursor;
 580 //      if (old != selection_end_cursor)
 581 //          UpdateLocal(bv, false, false);
 582         ShowInsetCursor(bv);
 583     }
 584     no_selection = false;
 585 }
 586
 587
 588 void InsetText::InsetKeyPress(XKeyEvent * xke)
 589 {
 590     if (the_locking_inset) {
 591         the_locking_inset->InsetKeyPress(xke);
 592         return;
 593     }
 594 }
 595
 596
 597 UpdatableInset::RESULT
 598 InsetText::LocalDispatch(BufferView * bv,
 599                          int action, string const & arg)
 600 {
 601     no_selection = false;
 602     UpdatableInset::RESULT
 603         result= UpdatableInset::LocalDispatch(bv, action, arg);
 604     if (result != UNDISPATCHED) {
 605 //      resetPos(bv->painter());
 606         return DISPATCHED;
 607     }
 608
 609     result=DISPATCHED;
 610     if ((action < 0) && arg.empty())
 611         return FINISHED;
 612
 613     if (the_locking_inset) {
 614         result = the_locking_inset->LocalDispatch(bv, action, arg);
 615         if (result == DISPATCHED_NOUPDATE)
 616             return result;
 617         else if (result == DISPATCHED) {
 618             UpdateLocal(bv, CURSOR_PAR, false);
 619             return result;
 620         } else if (result == FINISHED) {
 621             switch(action) {
 622             case -1:
 623             case LFUN_RIGHT:
 624                 moveRight(bv, false);
 625                 break;
 626             case LFUN_DOWN:
 627                 moveDown(bv);
 628                 break;
 629             }
 630             the_locking_inset = 0;
 631             return DISPATCHED;
 632         }
 633     }
 634     HideInsetCursor(bv);
 635     switch (action) {
 636         // Normal chars
 637     case -1:
 638         if (bv->buffer()->isReadonly()) {
 639             LyXBell();
 640 //          setErrorMessage(N_("Document is read only"));
 641             break;
 642         }
 643         if (!arg.empty()) {
 644             /* Automatically delete the currently selected
 645              * text and replace it with what is being
 646              * typed in now. Depends on lyxrc settings
 647              * "auto_region_delete", which defaults to
 648              * true (on). */
 649
 650             bv->text->SetUndo(bv->buffer(), Undo::INSERT,
 651                               bv->text->cursor.par()->ParFromPos(bv->text->cursor.pos())->previous,
 652                               bv->text->cursor.par()->ParFromPos(bv->text->cursor.pos())->next);
 653             if (lyxrc.auto_region_delete) {
 654                 if (TEXT(bv)->selection){
 655                     TEXT(bv)->CutSelection(bv, false);
 656                 }
 657             }
 658             TEXT(bv)->ClearSelection();
 659             for (string::size_type i = 0; i < arg.length(); ++i) {
 660                 bv->owner()->getIntl()->getTrans()->TranslateAndInsert(arg[i], TEXT(bv));
 661             }
 662         }
 663         UpdateLocal(bv, CURSOR_PAR, true);
 664         break;
 665         // --- Cursor Movements ---------------------------------------------
 666     case LFUN_RIGHTSEL:
 667         bv->text->FinishUndo();
 668         moveRight(bv, false);
 669         TEXT(bv)->SetSelection();
 670         UpdateLocal(bv, SELECTION, false);
 671         break;
 672     case LFUN_RIGHT:
 673         bv->text->FinishUndo();
 674         result = moveRight(bv);
 675         TEXT(bv)->selection = 0;
 676         TEXT(bv)->sel_cursor = TEXT(bv)->cursor;
 677         UpdateLocal(bv, CURSOR, false);
 678         break;
 679     case LFUN_LEFTSEL:
 680         bv->text->FinishUndo();
 681         moveLeft(bv, false);
 682         TEXT(bv)->SetSelection();
 683         UpdateLocal(bv, SELECTION, false);
 684         break;
 685     case LFUN_LEFT:
 686         bv->text->FinishUndo();
 687         result= moveLeft(bv);
 688         TEXT(bv)->selection = 0;
 689         TEXT(bv)->sel_cursor = TEXT(bv)->cursor;
 690         UpdateLocal(bv, CURSOR, false);
 691         break;
 692     case LFUN_DOWNSEL:
 693         bv->text->FinishUndo();
 694         moveDown(bv);
 695         TEXT(bv)->SetSelection();
 696         UpdateLocal(bv, SELECTION, false);
 697         break;
 698     case LFUN_DOWN:
 699         bv->text->FinishUndo();
 700         result = moveDown(bv);
 701         TEXT(bv)->selection = 0;
 702         TEXT(bv)->sel_cursor = TEXT(bv)->cursor;
 703         UpdateLocal(bv, CURSOR, false);
 704         break;
 705     case LFUN_UPSEL:
 706         bv->text->FinishUndo();
 707         moveUp(bv);
 708         TEXT(bv)->SetSelection();
 709         UpdateLocal(bv, SELECTION, false);
 710         break;
 711     case LFUN_UP:
 712         bv->text->FinishUndo();
 713         result = moveUp(bv);
 714         TEXT(bv)->selection = 0;
 715         TEXT(bv)->sel_cursor = TEXT(bv)->cursor;
 716         UpdateLocal(bv, CURSOR, false);
 717         break;
 718     case LFUN_HOME:
 719         bv->text->FinishUndo();
 720         TEXT(bv)->CursorHome(bv);
 721         TEXT(bv)->selection = 0;
 722         TEXT(bv)->sel_cursor = TEXT(bv)->cursor;
 723         UpdateLocal(bv, CURSOR, false);
 724         break;
 725     case LFUN_END:
 726         TEXT(bv)->CursorEnd(bv);
 727         TEXT(bv)->selection = 0;
 728         TEXT(bv)->sel_cursor = TEXT(bv)->cursor;
 729         UpdateLocal(bv, CURSOR, false);
 730         break;
 731     case LFUN_BACKSPACE:
 732         bv->text->SetUndo(bv->buffer(), Undo::DELETE,
 733           bv->text->cursor.par()->ParFromPos(bv->text->cursor.pos())->previous,
 734           bv->text->cursor.par()->ParFromPos(bv->text->cursor.pos())->next);
 735         TEXT(bv)->Backspace(bv);
 736         UpdateLocal(bv, CURSOR_PAR, true);
 737         break;
 738     case LFUN_DELETE:
 739         bv->text->SetUndo(bv->buffer(), Undo::DELETE,
 740           bv->text->cursor.par()->ParFromPos(bv->text->cursor.pos())->previous,
 741           bv->text->cursor.par()->ParFromPos(bv->text->cursor.pos())->next);
 742         TEXT(bv)->Delete(bv);
 743         UpdateLocal(bv, CURSOR_PAR, true);
 744         break;
 745     case LFUN_CUT:
 746         bv->text->SetUndo(bv->buffer(), Undo::DELETE,
 747           bv->text->cursor.par()->ParFromPos(bv->text->cursor.pos())->previous,
 748           bv->text->cursor.par()->ParFromPos(bv->text->cursor.pos())->next);
 749         TEXT(bv)->CutSelection(bv);
 750         UpdateLocal(bv, CURSOR_PAR, true);
 751         break;
 752     case LFUN_COPY:
 753         bv->text->FinishUndo();
 754         TEXT(bv)->CopySelection(bv);
 755         UpdateLocal(bv, CURSOR_PAR, false);
 756         break;
 757     case LFUN_PASTE:
 758         bv->text->SetUndo(bv->buffer(), Undo::INSERT,
 759           bv->text->cursor.par()->ParFromPos(bv->text->cursor.pos())->previous,
 760           bv->text->cursor.par()->ParFromPos(bv->text->cursor.pos())->next);
 761         TEXT(bv)->PasteSelection(bv);
 762         UpdateLocal(bv, CURSOR_PAR, true);
 763         break;
 764     case LFUN_BREAKPARAGRAPH:
 765         if (!autoBreakRows)
 766             return DISPATCHED;
 767         TEXT(bv)->BreakParagraph(bv, 0);
 768         UpdateLocal(bv, FULL, true);
 769         break;
 770     case LFUN_BREAKLINE:
 771         if (!autoBreakRows)
 772             return DISPATCHED;
 773         bv->text->SetUndo(bv->buffer(), Undo::INSERT,
 774             bv->text->cursor.par()->ParFromPos(bv->text->cursor.pos())->previous,
 775             bv->text->cursor.par()->ParFromPos(bv->text->cursor.pos())->next);
 776         TEXT(bv)->InsertChar(bv, LyXParagraph::META_NEWLINE);
 777         UpdateLocal(bv, CURSOR_PAR, true);
 778         break;
 779     case LFUN_LAYOUT:
 780     {
 781       static LyXTextClass::size_type cur_layout = cpar(bv)->layout;
 782
 783         // Derive layout number from given argument (string)
 784         // and current buffer's textclass (number). */
 785         LyXTextClassList::ClassList::size_type tclass =
 786             bv->buffer()->params.textclass;
 787         std::pair <bool, LyXTextClass::size_type> layout =
 788             textclasslist.NumberOfLayout(tclass, arg);
 789
 790         // If the entry is obsolete, use the new one instead.
 791         if (layout.first) {
 792             string obs = textclasslist.Style(tclass,layout.second).
 793                 obsoleted_by();
 794             if (!obs.empty())
 795                 layout = textclasslist.NumberOfLayout(tclass, obs);
 796         }
 797
 798         // see if we found the layout number:
 799         if (!layout.first) {
 800             string msg = string(N_("Layout ")) + arg + N_(" not known");
 801
 802             bv->owner()->getMiniBuffer()->Set(msg);
 803             break;
 804         }
 805
 806         if (cur_layout != layout.second) {
 807             cur_layout = layout.second;
 808             TEXT(bv)->SetLayout(bv, layout.second);
 809             bv->owner()->getToolbar()->combox->select(cpar(bv)->GetLayout()+1);
 810             UpdateLocal(bv, CURSOR_PAR, true);
 811         }
 812     }
 813     break;
 814     case LFUN_PARAGRAPH_SPACING:
 815             // This one is absolutely not working. When fiddling with this
 816             // it also seems to me that the paragraphs inside the insettext
 817             // inherit bufferparams/paragraphparams in a strange way. (Lgb)
 818     {
 819             LyXParagraph * par = TEXT(bv)->cursor.par();
 820             Spacing::Space cur_spacing = par->spacing.getSpace();
 821             float cur_value = 1.0;
 822             if (cur_spacing == Spacing::Other) {
 823                     cur_value = par->spacing.getValue();
 824             }
 825
 826 #ifdef HAVE_SSTREAM
 827             std::istringstream istr(arg);
 828 #else
 829             istrstream istr(arg.c_str());
 830 #endif
 831             string tmp;
 832             istr >> tmp;
 833             Spacing::Space new_spacing = cur_spacing;
 834             float new_value = cur_value;
 835             if (tmp.empty()) {
 836                     lyxerr << "Missing argument to `paragraph-spacing'"
 837                            << endl;
 838             } else if (tmp == "single") {
 839                     new_spacing = Spacing::Single;
 840             } else if (tmp == "onehalf") {
 841                     new_spacing = Spacing::Onehalf;
 842             } else if (tmp == "double") {
 843                     new_spacing = Spacing::Double;
 844             } else if (tmp == "other") {
 845                     new_spacing = Spacing::Other;
 846                     float tmpval = 0.0;
 847                     istr >> tmpval;
 848                     lyxerr << "new_value = " << tmpval << endl;
 849                     if (tmpval != 0.0)
 850                             new_value = tmpval;
 851             } else if (tmp == "default") {
 852                     new_spacing = Spacing::Default;
 853             } else {
 854                     lyxerr << _("Unknown spacing argument: ")
 855                            << arg << endl;
 856             }
 857             if (cur_spacing != new_spacing || cur_value != new_value) {
 858                     par->spacing.set(new_spacing, new_value);
 859                     //TEXT(bv)->RedoParagraph(owner->view());
 860                     UpdateLocal(bv, CURSOR_PAR, true);
 861                     //bv->update(BufferView::SELECT|BufferView::FITCUR|BufferView::CHANGE);
 862             }
 863     }
 864     break;
 865
 866     default:
 867         result = UNDISPATCHED;
 868         break;
 869     }
 870     if (result != FINISHED) {
 871         ShowInsetCursor(bv);
 872     } else
 873         bv->unlockInset(this);
 874     return result;
 875 }
 876
 877
 878 int InsetText::Latex(Buffer const * buf, ostream & os, bool, bool) const
 879 {
 880     TexRow texrow;
 881     buf->latexParagraphs(os, par, 0, texrow);
 882     return texrow.rows();
 883 }
 884
 885
 886 void InsetText::Validate(LaTeXFeatures & features) const
 887 {
 888     LyXParagraph * p = par;
 889     while(p) {
 890         p->validate(features);
 891         p = p->next;
 892     }
 893 }
 894
 895
 896 int InsetText::BeginningOfMainBody(Buffer const * buf, LyXParagraph * p) const
 897 {
 898     if (textclasslist.Style(buf->params.textclass,
 899                             p->GetLayout()).labeltype != LABEL_MANUAL)
 900         return 0;
 901     else
 902         return p->BeginningOfMainBody();
 903 }
 904
 905
 906 void InsetText::GetCursorPos(BufferView * bv, int & x, int & y) const
 907 {
 908     x = cx(bv);
 909     y = cy(bv);
 910 }
 911
 912
 913 int InsetText::InsetInInsetY()
 914 {
 915     if (!the_locking_inset)
 916         return 0;
 917
 918     return (inset_y + the_locking_inset->InsetInInsetY());
 919 }
 920
 921
 922 void InsetText::ToggleInsetCursor(BufferView * bv)
 923 {
 924     if (the_locking_inset) {
 925         the_locking_inset->ToggleInsetCursor(bv);
 926         return;
 927     }
 928
 929     LyXFont font = TEXT(bv)->GetFont(bv->buffer(), cpar(bv), cpos(bv));
 930
 931     int asc = lyxfont::maxAscent(font);
 932     int desc = lyxfont::maxDescent(font);
 933
 934     if (cursor_visible)
 935         bv->hideLockedInsetCursor();
 936     else
 937         bv->showLockedInsetCursor(cx(bv), cy(bv),
 938                                   asc, desc);
 939     cursor_visible = !cursor_visible;
 940 }
 941
 942
 943 void InsetText::ShowInsetCursor(BufferView * bv)
 944 {
 945     if (the_locking_inset) {
 946         the_locking_inset->ShowInsetCursor(bv);
 947         return;
 948     }
 949     if (!cursor_visible) {
 950         LyXFont font = TEXT(bv)->GetFont(bv->buffer(), cpar(bv), cpos(bv));
 951
 952         int asc = lyxfont::maxAscent(font);
 953         int desc = lyxfont::maxDescent(font);
 954
 955         bv->fitLockedInsetCursor(cx(bv), cy(bv), asc, desc);
 956         bv->showLockedInsetCursor(cx(bv), cy(bv), asc, desc);
 957         cursor_visible = true;
 958     }
 959 }
 960
 961
 962 void InsetText::HideInsetCursor(BufferView * bv)
 963 {
 964     if (cursor_visible) {
 965         bv->hideLockedInsetCursor();
 966         cursor_visible = false;
 967     }
 968     if (the_locking_inset)
 969         the_locking_inset->HideInsetCursor(bv);
 970 }
 971
 972
 973 UpdatableInset::RESULT
 974 InsetText::moveRight(BufferView * bv, bool activate_inset)
 975 {
 976     if (!cpar(bv)->next && (cpos(bv) >= cpar(bv)->Last()))
 977         return FINISHED;
 978     if (activate_inset && checkAndActivateInset(bv, false))
 979         return DISPATCHED;
 980     TEXT(bv)->CursorRight(bv);
 981     return DISPATCHED_NOUPDATE;
 982 }
 983
 984
 985 UpdatableInset::RESULT
 986 InsetText::moveLeft(BufferView * bv, bool activate_inset)
 987 {
 988     if (!cpar(bv)->previous && (cpos(bv) <= 0))
 989         return FINISHED;
 990     TEXT(bv)->CursorLeft(bv);
 991     if (activate_inset && checkAndActivateInset(bv, true))
 992         return DISPATCHED;
 993     return DISPATCHED_NOUPDATE;
 994 }
 995
 996
 997 UpdatableInset::RESULT
 998 InsetText::moveUp(BufferView * bv)
 999 {
1000     if (!crow(bv)->previous())
1001         return FINISHED;
1002     TEXT(bv)->CursorUp(bv);
1003     return DISPATCHED_NOUPDATE;
1004 }
1005
1006
1007 UpdatableInset::RESULT
1008 InsetText::moveDown(BufferView * bv)
1009 {
1010     if (!crow(bv)->next())
1011         return FINISHED;
1012     TEXT(bv)->CursorDown(bv);
1013     return DISPATCHED_NOUPDATE;
1014 }
1015
1016
1017 bool InsetText::InsertInset(BufferView * bv, Inset * inset)
1018 {
1019     if (the_locking_inset) {
1020         if (the_locking_inset->InsertInsetAllowed(inset))
1021             return the_locking_inset->InsertInset(bv, inset);
1022         return false;
1023     }
1024     bv->text->SetUndo(bv->buffer(), Undo::INSERT,
1025               bv->text->cursor.par()->ParFromPos(bv->text->cursor.pos())->previous,
1026               bv->text->cursor.par()->ParFromPos(bv->text->cursor.pos())->next);
1027     if (inset->Editable() == Inset::IS_EDITABLE) {
1028         UpdatableInset * i = static_cast<UpdatableInset *>(inset);
1029         i->setOwner(static_cast<UpdatableInset *>(this));
1030     }
1031     cpar(bv)->InsertInset(cpos(bv), inset);
1032     TEXT(bv)->selection = 0;
1033     UpdateLocal(bv, CURSOR_PAR, true);
1034     static_cast<UpdatableInset*>(inset)->Edit(bv, 0, 0, 0);
1035     return true;
1036 }
1037
1038
1039 UpdatableInset * InsetText::GetLockingInset()
1040 {
1041     return the_locking_inset ? the_locking_inset->GetLockingInset() : this;
1042 }
1043
1044
1045 UpdatableInset * InsetText::GetFirstLockingInsetOfType(Inset::Code c)
1046 {
1047     if (c == LyxCode())
1048         return this;
1049     if (the_locking_inset)
1050         return the_locking_inset->GetFirstLockingInsetOfType(c);
1051     return 0;
1052 }
1053
1054
1055 void InsetText::SetFont(BufferView * bv, LyXFont const & font, bool toggleall)
1056 {
1057     TEXT(bv)->SetFont(bv, font, toggleall);
1058 }
1059
1060
1061 bool InsetText::checkAndActivateInset(BufferView * bv, bool behind)
1062 {
1063     if (cpar(bv)->GetChar(cpos(bv)) == LyXParagraph::META_INSET) {
1064         int x, y;
1065         Inset * inset =
1066             static_cast<UpdatableInset*>(cpar(bv)->GetInset(cpos(bv)));
1067         LyXFont font = TEXT(bv)->GetFont(bv->buffer(), cpar(bv), cpos(bv));
1068         if (behind) {
1069             x = inset->width(bv->painter(), font);
1070             y = inset->descent(bv->painter(), font);
1071         } else {
1072             x = y = 0;
1073         }
1074         inset_x = cx(bv) - top_x + drawTextXOffset;
1075         inset_y = cy(bv) + drawTextYOffset;
1076         inset->Edit(bv, x-inset_x, y-inset_y, 0);
1077         if (!the_locking_inset)
1078             return false;
1079         UpdateLocal(bv, CURSOR_PAR, false);
1080         return true;
1081     }
1082     return false;
1083 }
1084
1085
1086 bool InsetText::checkAndActivateInset(BufferView * bv, int x, int y,
1087                                       int button)
1088 {
1089     int tmp_x = x - drawTextXOffset;
1090     int tmp_y = y + insetAscent;
1091     Inset * inset = bv->checkInsetHit(TEXT(bv), tmp_x, tmp_y, button);
1092
1093     if (inset) {
1094         if (x < 0)
1095             x = insetWidth;
1096         if (y < 0)
1097             y = insetDescent;
1098         inset_x = cx(bv) - top_x + drawTextXOffset;
1099         inset_y = cy(bv) + drawTextYOffset;
1100         inset->Edit(bv, x - inset_x, y - inset_y, button);
1101         if (!the_locking_inset)
1102             return false;
1103         UpdateLocal(bv, CURSOR_PAR, false);
1104         return true;
1105     }
1106     return false;
1107 }
1108
1109
1110 int InsetText::getMaxWidth(Painter & pain, UpdatableInset const * inset) const
1111 {
1112     return UpdatableInset::getMaxWidth(pain, inset) - (2*TEXT_TO_INSET_OFFSET);
1113 }
1114
1115
1116 void InsetText::SetParagraphData(LyXParagraph *p)
1117 {
1118     LyXParagraph * np;
1119
1120     if (par) {
1121         np = par->next;
1122         delete par;
1123         while(np) {
1124             par = np;
1125             np = np->next;
1126             delete par;
1127         }
1128     }
1129     par = p->Clone();
1130     par->SetInsetOwner(this);
1131     np = par;
1132     while(p->next) {
1133         p = p->next;
1134         np->next = p->Clone();
1135         np->next->previous = np;
1136         np = np->next;
1137         np->SetInsetOwner(this);
1138     }
1139     need_update = INIT;
1140 }
1141
1142
1143 void InsetText::SetAutoBreakRows(bool flag)
1144 {
1145     if (flag != autoBreakRows) {
1146         autoBreakRows = flag;
1147         need_update = FULL;
1148     }
1149 }
1150
1151
1152 void InsetText::SetDrawFrame(BufferView * bv, DrawFrame how)
1153 {
1154     if (how != drawFrame) {
1155         drawFrame = how;
1156         if (bv)
1157             UpdateLocal(bv, DRAW_FRAME, false);
1158     }
1159 }
1160
1161
1162 void InsetText::SetFrameColor(BufferView * bv, LColor::color col)
1163 {
1164     if (frame_color != col) {
1165         frame_color = col;
1166         if (bv)
1167             UpdateLocal(bv, DRAW_FRAME, false);
1168     }
1169 }
1170
1171 #if 0
1172 LyXFont InsetText::GetDrawFont(BufferView * bv, LyXParagraph * p, int pos) const
1173 {
1174     return TEXT(bv)->GetFont(bv->buffer(), p, pos);
1175 }
1176 #endif
1177
1178 int InsetText::cx(BufferView * bv) const
1179 {
1180     return TEXT(bv)->cursor.x() + top_x + 1;
1181 }
1182
1183
1184 int InsetText::cy(BufferView * bv) const
1185 {
1186     long int y_dummy = 0;
1187     Row * tmprow = TEXT(bv)->GetRowNearY(y_dummy);
1188     return TEXT(bv)->cursor.y() - tmprow->baseline();
1189 }
1190
1191
1192 int InsetText::cpos(BufferView * bv) const
1193 {
1194     return TEXT(bv)->cursor.pos();
1195 }
1196
1197
1198 LyXParagraph * InsetText::cpar(BufferView * bv) const
1199 {
1200     return TEXT(bv)->cursor.par();
1201 }
1202
1203
1204 Row * InsetText::crow(BufferView * bv) const
1205 {
1206     return TEXT(bv)->cursor.row();
1207 }
1208
1209
1210 LyXText * InsetText::getLyXText(BufferView * bv) const
1211 {
1212     if (cache.find(bv) != cache.end())
1213         return cache[bv];
1214     LyXText * lt = new LyXText(const_cast<InsetText *>(this));
1215     lt->init(bv);
1216     cache[bv] = lt;
1217     if (the_locking_inset) {
1218         lt->SetCursor(bv, inset_par, inset_pos);
1219     }
1220     return lt;
1221 }
1222
1223
1224 void InsetText::deleteLyXText(BufferView * bv)
1225 {
1226     cache.erase(bv);
1227     /// then remove all LyXText in text-insets
1228     LyXParagraph * p = par;
1229     for(;p;p = p->next) {
1230             p->deleteInsetsLyXText(bv);
1231     }
1232 }