src/html/htmlcell.cpp

   1 /////////////////////////////////////////////////////////////////////////////
   2 // Name:        htmlcell.cpp
   3 // Purpose:     wxHtmlCell - basic element of HTML output
   4 // Author:      Vaclav Slavik
   5 // RCS-ID:      $Id$
   6 // Copyright:   (c) 1999 Vaclav Slavik
   7 // Licence:     wxWindows licence
   8 /////////////////////////////////////////////////////////////////////////////
   9
  10 #if defined(__GNUG__) && !defined(NO_GCC_PRAGMA)
  11 #pragma implementation "htmlcell.h"
  12 #endif
  13
  14 #include "wx/wxprec.h"
  15
  16 #include "wx/defs.h"
  17
  18 #if wxUSE_HTML && wxUSE_STREAMS
  19
  20 #ifdef __BORLANDC__
  21 #pragma hdrstop
  22 #endif
  23
  24 #ifndef WXPRECOMP
  25     #include "wx/brush.h"
  26     #include "wx/colour.h"
  27     #include "wx/dc.h"
  28 #endif
  29
  30 #include "wx/html/htmlcell.h"
  31 #include "wx/html/htmlwin.h"
  32 #include "wx/settings.h"
  33 #include "wx/module.h"
  34 #include "wx/dynarray.h"
  35
  36 #include <stdlib.h>
  37
  38 //-----------------------------------------------------------------------------
  39 // Global variables
  40 //-----------------------------------------------------------------------------
  41
  42 static wxCursor *gs_cursorLink = NULL;
  43 static wxCursor *gs_cursorText = NULL;
  44
  45
  46 //-----------------------------------------------------------------------------
  47 // Helper classes
  48 //-----------------------------------------------------------------------------
  49
  50 void wxHtmlSelection::Set(const wxPoint& fromPos, const wxHtmlCell *fromCell,
  51                           const wxPoint& toPos, const wxHtmlCell *toCell)
  52 {
  53     m_fromCell = fromCell;
  54     m_toCell = toCell;
  55     m_fromPos = fromPos;
  56     m_toPos = toPos;
  57 }
  58
  59 void wxHtmlSelection::Set(const wxHtmlCell *fromCell, const wxHtmlCell *toCell)
  60 {
  61     wxPoint p1 = fromCell ? fromCell->GetAbsPos() : wxDefaultPosition;
  62     wxPoint p2 = toCell ? toCell->GetAbsPos() : wxDefaultPosition;
  63     if ( toCell )
  64     {
  65         p2.x += toCell->GetWidth();
  66         p2.y += toCell->GetHeight();
  67     }
  68     Set(p1, fromCell, p2, toCell);
  69 }
  70
  71 wxColour
  72 wxDefaultHtmlRenderingStyle::
  73 GetSelectedTextColour(const wxColour& WXUNUSED(clr))
  74 {
  75     return wxSystemSettings::GetColour(wxSYS_COLOUR_HIGHLIGHTTEXT);
  76 }
  77
  78 wxColour
  79 wxDefaultHtmlRenderingStyle::
  80 GetSelectedTextBgColour(const wxColour& WXUNUSED(clr))
  81 {
  82     return wxSystemSettings::GetColour(wxSYS_COLOUR_HIGHLIGHT);
  83 }
  84
  85
  86 //-----------------------------------------------------------------------------
  87 // wxHtmlCell
  88 //-----------------------------------------------------------------------------
  89
  90 IMPLEMENT_ABSTRACT_CLASS(wxHtmlCell, wxObject)
  91
  92 wxHtmlCell::wxHtmlCell() : wxObject()
  93 {
  94     m_Next = NULL;
  95     m_Parent = NULL;
  96     m_Width = m_Height = m_Descent = 0;
  97     m_CanLiveOnPagebreak = true;
  98     m_Link = NULL;
  99 }
 100
 101 wxHtmlCell::~wxHtmlCell()
 102 {
 103     delete m_Link;
 104 }
 105
 106
 107 void wxHtmlCell::OnMouseClick(wxWindow *parent, int x, int y,
 108                               const wxMouseEvent& event)
 109 {
 110     wxHtmlLinkInfo *lnk = GetLink(x, y);
 111     if (lnk != NULL)
 112     {
 113         wxHtmlLinkInfo lnk2(*lnk);
 114         lnk2.SetEvent(&event);
 115         lnk2.SetHtmlCell(this);
 116
 117         // note : this cast is legal because parent is *always* wxHtmlWindow
 118         wxStaticCast(parent, wxHtmlWindow)->OnLinkClicked(lnk2);
 119     }
 120 }
 121
 122
 123 wxCursor wxHtmlCell::GetCursor() const
 124 {
 125     if ( GetLink() )
 126     {
 127         if ( !gs_cursorLink )
 128             gs_cursorLink = new wxCursor(wxCURSOR_HAND);
 129         return *gs_cursorLink;
 130     }
 131     else
 132         return *wxSTANDARD_CURSOR;
 133 }
 134
 135
 136 bool wxHtmlCell::AdjustPagebreak(int *pagebreak, int* WXUNUSED(known_pagebreaks), int WXUNUSED(number_of_pages)) const
 137 {
 138     if ((!m_CanLiveOnPagebreak) &&
 139                 m_PosY < *pagebreak && m_PosY + m_Height > *pagebreak)
 140     {
 141         *pagebreak = m_PosY;
 142         return true;
 143     }
 144
 145     return false;
 146 }
 147
 148
 149
 150 void wxHtmlCell::SetLink(const wxHtmlLinkInfo& link)
 151 {
 152     if (m_Link) delete m_Link;
 153     m_Link = NULL;
 154     if (link.GetHref() != wxEmptyString)
 155         m_Link = new wxHtmlLinkInfo(link);
 156 }
 157
 158
 159 void wxHtmlCell::Layout(int WXUNUSED(w))
 160 {
 161     SetPos(0, 0);
 162 }
 163
 164
 165
 166 const wxHtmlCell* wxHtmlCell::Find(int WXUNUSED(condition), const void* WXUNUSED(param)) const
 167 {
 168     return NULL;
 169 }
 170
 171
 172 wxHtmlCell *wxHtmlCell::FindCellByPos(wxCoord x, wxCoord y,
 173                                       unsigned flags) const
 174 {
 175     if ( x >= 0 && x < m_Width && y >= 0 && y < m_Height )
 176     {
 177         return wxConstCast(this, wxHtmlCell);
 178     }
 179     else
 180     {
 181         if ((flags & wxHTML_FIND_NEAREST_AFTER) &&
 182                 (y < 0 || (y < 0+m_Height && x < 0+m_Width)))
 183             return wxConstCast(this, wxHtmlCell);
 184         else if ((flags & wxHTML_FIND_NEAREST_BEFORE) &&
 185                 (y >= 0+m_Height || (y >= 0 && x >= 0)))
 186             return wxConstCast(this, wxHtmlCell);
 187         else
 188             return NULL;
 189     }
 190 }
 191
 192
 193 wxPoint wxHtmlCell::GetAbsPos() const
 194 {
 195     wxPoint p(m_PosX, m_PosY);
 196     for (wxHtmlCell *parent = m_Parent; parent; parent = parent->m_Parent)
 197     {
 198         p.x += parent->m_PosX;
 199         p.y += parent->m_PosY;
 200     }
 201     return p;
 202 }
 203
 204 unsigned wxHtmlCell::GetDepth() const
 205 {
 206     unsigned d = 0;
 207     for (wxHtmlCell *p = m_Parent; p; p = p->m_Parent)
 208         d++;
 209     return d;
 210 }
 211
 212 bool wxHtmlCell::IsBefore(wxHtmlCell *cell) const
 213 {
 214     const wxHtmlCell *c1 = this;
 215     const wxHtmlCell *c2 = cell;
 216     unsigned d1 = GetDepth();
 217     unsigned d2 = cell->GetDepth();
 218
 219     if ( d1 > d2 )
 220         for (; d1 != d2; d1-- )
 221             c1 = c1->m_Parent;
 222     else if ( d1 < d2 )
 223         for (; d1 != d2; d2-- )
 224             c2 = c2->m_Parent;
 225
 226     if ( cell == this )
 227         return true;
 228
 229     while ( c1 && c2 )
 230     {
 231         if ( c1->m_Parent == c2->m_Parent )
 232         {
 233             while ( c1 )
 234             {
 235                 if ( c1 == c2 )
 236                     return true;
 237                 c1 = c1->GetNext();
 238             }
 239             return false;
 240         }
 241         else
 242         {
 243             c1 = c1->m_Parent;
 244             c2 = c2->m_Parent;
 245         }
 246     }
 247
 248     wxFAIL_MSG(_T("Cells are in different trees"));
 249     return false;
 250 }
 251
 252
 253 //-----------------------------------------------------------------------------
 254 // wxHtmlWordCell
 255 //-----------------------------------------------------------------------------
 256
 257 IMPLEMENT_ABSTRACT_CLASS(wxHtmlWordCell, wxHtmlCell)
 258
 259 wxHtmlWordCell::wxHtmlWordCell(const wxString& word, wxDC& dc) : wxHtmlCell()
 260 {
 261     m_Word = word;
 262     dc.GetTextExtent(m_Word, &m_Width, &m_Height, &m_Descent);
 263     SetCanLiveOnPagebreak(false);
 264     m_allowLinebreak = true;
 265 }
 266
 267 void wxHtmlWordCell::SetPreviousWord(wxHtmlWordCell *cell)
 268 {
 269     if ( cell && m_Parent == cell->m_Parent &&
 270          !wxIsspace(cell->m_Word.Last()) && !wxIsspace(m_Word[0u]) )
 271     {
 272         m_allowLinebreak = false;
 273     }
 274 }
 275
 276 // Splits m_Word into up to three parts according to selection, returns
 277 // substring before, in and after selection and the points (in relative coords)
 278 // where s2 and s3 start:
 279 void wxHtmlWordCell::Split(wxDC& dc,
 280                            const wxPoint& selFrom, const wxPoint& selTo,
 281                            unsigned& pos1, unsigned& pos2) const
 282 {
 283     wxPoint pt1 = (selFrom == wxDefaultPosition) ?
 284                    wxDefaultPosition : selFrom - GetAbsPos();
 285     wxPoint pt2 = (selTo == wxDefaultPosition) ?
 286                    wxPoint(m_Width, wxDefaultCoord) : selTo - GetAbsPos();
 287
 288     wxCoord charW, charH;
 289     unsigned len = m_Word.length();
 290     unsigned i = 0;
 291     pos1 = 0;
 292
 293     // adjust for cases when the start/end position is completely
 294     // outside the cell:
 295     if ( pt1.y < 0 )
 296         pt1.x = 0;
 297     if ( pt2.y >= m_Height )
 298         pt2.x = m_Width;
 299
 300     // before selection:
 301     while ( pt1.x > 0 && i < len )
 302     {
 303         dc.GetTextExtent(m_Word[i], &charW, &charH);
 304         pt1.x -= charW;
 305         if ( pt1.x >= 0 )
 306         {
 307             pos1 += charW;
 308             i++;
 309         }
 310     }
 311
 312     // in selection:
 313     unsigned j = i;
 314     pos2 = pos1;
 315     pt2.x -= pos2;
 316     while ( pt2.x > 0 && j < len )
 317     {
 318         dc.GetTextExtent(m_Word[j], &charW, &charH);
 319         pt2.x -= charW;
 320         if ( pt2.x >= 0 )
 321         {
 322             pos2 += charW;
 323             j++;
 324         }
 325     }
 326
 327     pos1 = i;
 328     pos2 = j;
 329 }
 330
 331 void wxHtmlWordCell::SetSelectionPrivPos(wxDC& dc, wxHtmlSelection *s) const
 332 {
 333     unsigned p1, p2;
 334
 335     Split(dc,
 336           this == s->GetFromCell() ? s->GetFromPos() : wxDefaultPosition,
 337           this == s->GetToCell() ? s->GetToPos() : wxDefaultPosition,
 338           p1, p2);
 339
 340     wxPoint p(0, m_Word.length());
 341
 342     if ( this == s->GetFromCell() )
 343         p.x = p1; // selection starts here
 344     if ( this == s->GetToCell() )
 345         p.y = p2; // selection ends here
 346
 347     if ( this == s->GetFromCell() )
 348         s->SetFromPrivPos(p);
 349     if ( this == s->GetToCell() )
 350         s->SetToPrivPos(p);
 351 }
 352
 353
 354 static void SwitchSelState(wxDC& dc, wxHtmlRenderingInfo& info,
 355                            bool toSelection)
 356 {
 357     wxColour fg = info.GetState().GetFgColour();
 358     wxColour bg = info.GetState().GetBgColour();
 359
 360     if ( toSelection )
 361     {
 362         dc.SetBackgroundMode(wxSOLID);
 363         dc.SetTextForeground(info.GetStyle().GetSelectedTextColour(fg));
 364         dc.SetTextBackground(info.GetStyle().GetSelectedTextBgColour(bg));
 365         dc.SetBackground(wxBrush(info.GetStyle().GetSelectedTextBgColour(bg),
 366                                  wxSOLID));
 367     }
 368     else
 369     {
 370         dc.SetBackgroundMode(wxTRANSPARENT);
 371         dc.SetTextForeground(fg);
 372         dc.SetTextBackground(bg);
 373         dc.SetBackground(wxBrush(bg, wxSOLID));
 374     }
 375 }
 376
 377
 378 void wxHtmlWordCell::Draw(wxDC& dc, int x, int y,
 379                           int WXUNUSED(view_y1), int view_y2,
 380                           wxHtmlRenderingInfo& info)
 381 {
 382 #if 0 // useful for debugging
 383     dc.SetPen(*wxBLACK_PEN);
 384     dc.DrawRectangle(x+m_PosX,y+m_PosY,m_Width /* VZ: +1? */ ,m_Height);
 385 #endif
 386
 387     if (y+m_PosY+m_Height > view_y2) return;
 388
 389     bool drawSelectionAfterCell = false;
 390
 391     if ( info.GetState().GetSelectionState() == wxHTML_SEL_CHANGING )
 392     {
 393         // Selection changing, we must draw the word piecewise:
 394         wxHtmlSelection *s = info.GetSelection();
 395         wxString txt;
 396         int w, h;
 397         int ofs = 0;
 398
 399         wxPoint priv = (this == s->GetFromCell()) ?
 400                            s->GetFromPrivPos() : s->GetToPrivPos();
 401
 402         // NB: this is quite a hack: in order to compute selection boundaries
 403         //     (in word's characters) we must know current font, which is only
 404         //     possible inside rendering code. Therefore we update the
 405         //     information here and store it in wxHtmlSelection so that
 406         //     ConvertToText can use it later:
 407         if ( priv == wxDefaultPosition )
 408         {
 409             SetSelectionPrivPos(dc, s);
 410             priv = (this == s->GetFromCell()) ?
 411                     s->GetFromPrivPos() : s->GetToPrivPos();
 412         }
 413
 414         int part1 = priv.x;
 415         int part2 = priv.y;
 416
 417         if ( part1 > 0 )
 418         {
 419             txt = m_Word.Mid(0, part1);
 420             dc.DrawText(txt, x + m_PosX, y + m_PosY);
 421             dc.GetTextExtent(txt, &w, &h);
 422             ofs += w;
 423         }
 424
 425         SwitchSelState(dc, info, true);
 426
 427         txt = m_Word.Mid(part1, part2-part1);
 428         dc.DrawText(txt, ofs + x + m_PosX, y + m_PosY);
 429
 430         if ( (size_t)part2 < m_Word.length() )
 431         {
 432             dc.GetTextExtent(txt, &w, &h);
 433             ofs += w;
 434             SwitchSelState(dc, info, false);
 435             txt = m_Word.Mid(part2);
 436             dc.DrawText(txt, ofs + x + m_PosX, y + m_PosY);
 437         }
 438         else
 439             drawSelectionAfterCell = true;
 440     }
 441     else
 442     {
 443         wxHtmlSelectionState selstate = info.GetState().GetSelectionState();
 444         // Not changing selection state, draw the word in single mode:
 445         if ( selstate != wxHTML_SEL_OUT &&
 446              dc.GetBackgroundMode() != wxSOLID )
 447         {
 448             SwitchSelState(dc, info, true);
 449         }
 450         else if ( selstate == wxHTML_SEL_OUT &&
 451                   dc.GetBackgroundMode() == wxSOLID )
 452         {
 453             SwitchSelState(dc, info, false);
 454         }
 455         dc.DrawText(m_Word, x + m_PosX, y + m_PosY);
 456         drawSelectionAfterCell = (selstate != wxHTML_SEL_OUT);
 457     }
 458
 459     // NB: If the text is justified then there is usually some free space
 460     //     between adjacent cells and drawing the selection only onto cells
 461     //     would result in ugly unselected spaces. The code below detects
 462     //     this special case and renders the selection *outside* the sell,
 463     //     too.
 464     if ( m_Parent->GetAlignHor() == wxHTML_ALIGN_JUSTIFY &&
 465          drawSelectionAfterCell )
 466     {
 467         wxHtmlCell *nextCell = m_Next;
 468         while ( nextCell && nextCell->IsFormattingCell() )
 469             nextCell = nextCell->GetNext();
 470         if ( nextCell )
 471         {
 472             int nextX = nextCell->GetPosX();
 473             if ( m_PosX + m_Width < nextX )
 474             {
 475                 dc.SetBrush(dc.GetBackground());
 476                 dc.SetPen(*wxTRANSPARENT_PEN);
 477                 dc.DrawRectangle(x + m_PosX + m_Width, y + m_PosY,
 478                                  nextX - m_PosX - m_Width, m_Height);
 479             }
 480         }
 481     }
 482 }
 483
 484
 485 wxString wxHtmlWordCell::ConvertToText(wxHtmlSelection *s) const
 486 {
 487     if ( s && (this == s->GetFromCell() || this == s->GetToCell()) )
 488     {
 489         wxPoint priv = this == s->GetFromCell() ? s->GetFromPrivPos()
 490                                                 : s->GetToPrivPos();
 491
 492         // VZ: we may be called before we had a chance to re-render ourselves
 493         //     and in this case GetFrom/ToPrivPos() is not set yet -- assume
 494         //     that this only happens in case of a double/triple click (which
 495         //     seems to be the case now) and so it makes sense to select the
 496         //     entire contents of the cell in this case
 497         //
 498         // TODO: but this really needs to be fixed in some better way later...
 499         if ( priv != wxDefaultPosition )
 500         {
 501             int part1 = priv.x;
 502             int part2 = priv.y;
 503             return m_Word.Mid(part1, part2-part1);
 504         }
 505         //else: return the whole word below
 506     }
 507
 508     return m_Word;
 509 }
 510
 511 wxCursor wxHtmlWordCell::GetCursor() const
 512 {
 513     if ( !GetLink() )
 514     {
 515         if ( !gs_cursorText )
 516             gs_cursorText = new wxCursor(wxCURSOR_IBEAM);
 517         return *gs_cursorText;
 518     }
 519     else
 520         return wxHtmlCell::GetCursor();
 521 }
 522
 523
 524 //-----------------------------------------------------------------------------
 525 // wxHtmlContainerCell
 526 //-----------------------------------------------------------------------------
 527
 528 IMPLEMENT_ABSTRACT_CLASS(wxHtmlContainerCell, wxHtmlCell)
 529
 530 wxHtmlContainerCell::wxHtmlContainerCell(wxHtmlContainerCell *parent) : wxHtmlCell()
 531 {
 532     m_Cells = m_LastCell = NULL;
 533     m_Parent = parent;
 534     m_MaxTotalWidth = 0;
 535     if (m_Parent) m_Parent->InsertCell(this);
 536     m_AlignHor = wxHTML_ALIGN_LEFT;
 537     m_AlignVer = wxHTML_ALIGN_BOTTOM;
 538     m_IndentLeft = m_IndentRight = m_IndentTop = m_IndentBottom = 0;
 539     m_WidthFloat = 100; m_WidthFloatUnits = wxHTML_UNITS_PERCENT;
 540     m_UseBkColour = false;
 541     m_UseBorder = false;
 542     m_MinHeight = 0;
 543     m_MinHeightAlign = wxHTML_ALIGN_TOP;
 544     m_LastLayout = -1;
 545 }
 546
 547 wxHtmlContainerCell::~wxHtmlContainerCell()
 548 {
 549     wxHtmlCell *cell = m_Cells;
 550     while ( cell )
 551     {
 552         wxHtmlCell *cellNext = cell->GetNext();
 553         delete cell;
 554         cell = cellNext;
 555     }
 556 }
 557
 558
 559
 560 void wxHtmlContainerCell::SetIndent(int i, int what, int units)
 561 {
 562     int val = (units == wxHTML_UNITS_PIXELS) ? i : -i;
 563     if (what & wxHTML_INDENT_LEFT) m_IndentLeft = val;
 564     if (what & wxHTML_INDENT_RIGHT) m_IndentRight = val;
 565     if (what & wxHTML_INDENT_TOP) m_IndentTop = val;
 566     if (what & wxHTML_INDENT_BOTTOM) m_IndentBottom = val;
 567     m_LastLayout = -1;
 568 }
 569
 570
 571
 572 int wxHtmlContainerCell::GetIndent(int ind) const
 573 {
 574     if (ind & wxHTML_INDENT_LEFT) return m_IndentLeft;
 575     else if (ind & wxHTML_INDENT_RIGHT) return m_IndentRight;
 576     else if (ind & wxHTML_INDENT_TOP) return m_IndentTop;
 577     else if (ind & wxHTML_INDENT_BOTTOM) return m_IndentBottom;
 578     else return -1; /* BUG! Should not be called... */
 579 }
 580
 581
 582
 583
 584 int wxHtmlContainerCell::GetIndentUnits(int ind) const
 585 {
 586     bool p = false;
 587     if (ind & wxHTML_INDENT_LEFT) p = m_IndentLeft < 0;
 588     else if (ind & wxHTML_INDENT_RIGHT) p = m_IndentRight < 0;
 589     else if (ind & wxHTML_INDENT_TOP) p = m_IndentTop < 0;
 590     else if (ind & wxHTML_INDENT_BOTTOM) p = m_IndentBottom < 0;
 591     if (p) return wxHTML_UNITS_PERCENT;
 592     else return wxHTML_UNITS_PIXELS;
 593 }
 594
 595
 596
 597 bool wxHtmlContainerCell::AdjustPagebreak(int *pagebreak, int* known_pagebreaks, int number_of_pages) const
 598 {
 599     if (!m_CanLiveOnPagebreak)
 600         return wxHtmlCell::AdjustPagebreak(pagebreak, known_pagebreaks, number_of_pages);
 601
 602     else
 603     {
 604         wxHtmlCell *c = GetFirstChild();
 605         bool rt = false;
 606         int pbrk = *pagebreak - m_PosY;
 607
 608         while (c)
 609         {
 610             if (c->AdjustPagebreak(&pbrk, known_pagebreaks, number_of_pages))
 611                 rt = true;
 612             c = c->GetNext();
 613         }
 614         if (rt)
 615             *pagebreak = pbrk + m_PosY;
 616         return rt;
 617     }
 618 }
 619
 620
 621
 622 void wxHtmlContainerCell::Layout(int w)
 623 {
 624     wxHtmlCell::Layout(w);
 625
 626     if (m_LastLayout == w) return;
 627
 628     // VS: Any attempt to layout with negative or zero width leads to hell,
 629     // but we can't ignore such attempts completely, since it sometimes
 630     // happen (e.g. when trying how small a table can be). The best thing we
 631     // can do is to set the width of child cells to zero
 632     if (w < 1)
 633     {
 634        m_Width = 0;
 635        for (wxHtmlCell *cell = m_Cells; cell; cell = cell->GetNext())
 636             cell->Layout(0);
 637             // this does two things: it recursively calls this code on all
 638             // child contrainers and resets children's position to (0,0)
 639        return;
 640     }
 641
 642     wxHtmlCell *cell = m_Cells,
 643                *line = m_Cells;
 644     wxHtmlCell *nextCell;
 645     long xpos = 0, ypos = m_IndentTop;
 646     int xdelta = 0, ybasicpos = 0, ydiff;
 647     int s_width, nextWordWidth, s_indent;
 648     int ysizeup = 0, ysizedown = 0;
 649     int MaxLineWidth = 0;
 650     int curLineWidth = 0;
 651     m_MaxTotalWidth = 0;
 652
 653
 654     /*
 655
 656     WIDTH ADJUSTING :
 657
 658     */
 659
 660     if (m_WidthFloatUnits == wxHTML_UNITS_PERCENT)
 661     {
 662         if (m_WidthFloat < 0) m_Width = (100 + m_WidthFloat) * w / 100;
 663         else m_Width = m_WidthFloat * w / 100;
 664     }
 665     else
 666     {
 667         if (m_WidthFloat < 0) m_Width = w + m_WidthFloat;
 668         else m_Width = m_WidthFloat;
 669     }
 670
 671     if (m_Cells)
 672     {
 673         int l = (m_IndentLeft < 0) ? (-m_IndentLeft * m_Width / 100) : m_IndentLeft;
 674         int r = (m_IndentRight < 0) ? (-m_IndentRight * m_Width / 100) : m_IndentRight;
 675         for (wxHtmlCell *cell = m_Cells; cell; cell = cell->GetNext())
 676             cell->Layout(m_Width - (l + r));
 677     }
 678
 679     /*
 680
 681     LAYOUTING :
 682
 683     */
 684
 685     // adjust indentation:
 686     s_indent = (m_IndentLeft < 0) ? (-m_IndentLeft * m_Width / 100) : m_IndentLeft;
 687     s_width = m_Width - s_indent - ((m_IndentRight < 0) ? (-m_IndentRight * m_Width / 100) : m_IndentRight);
 688
 689     // my own layouting:
 690     while (cell != NULL)
 691     {
 692         switch (m_AlignVer)
 693         {
 694             case wxHTML_ALIGN_TOP :      ybasicpos = 0; break;
 695             case wxHTML_ALIGN_BOTTOM :   ybasicpos = - cell->GetHeight(); break;
 696             case wxHTML_ALIGN_CENTER :   ybasicpos = - cell->GetHeight() / 2; break;
 697         }
 698         ydiff = cell->GetHeight() + ybasicpos;
 699
 700         if (cell->GetDescent() + ydiff > ysizedown) ysizedown = cell->GetDescent() + ydiff;
 701         if (ybasicpos + cell->GetDescent() < -ysizeup) ysizeup = - (ybasicpos + cell->GetDescent());
 702
 703         // layout nonbreakable run of cells:
 704         cell->SetPos(xpos, ybasicpos + cell->GetDescent());
 705         xpos += cell->GetWidth();
 706         if (!cell->IsTerminalCell())
 707         {
 708             // Container cell indicates new line
 709             if (curLineWidth > m_MaxTotalWidth)
 710                 m_MaxTotalWidth = curLineWidth;
 711
 712             if (wxMax(cell->GetWidth(), cell->GetMaxTotalWidth()) > m_MaxTotalWidth)
 713                 m_MaxTotalWidth = cell->GetMaxTotalWidth();
 714             curLineWidth = 0;
 715         }
 716         else
 717             // Normal cell, add maximum cell width to line width
 718             curLineWidth += cell->GetMaxTotalWidth();
 719
 720         cell = cell->GetNext();
 721
 722         // compute length of the next word that would be added:
 723         nextWordWidth = 0;
 724         if (cell)
 725         {
 726             nextCell = cell;
 727             do
 728             {
 729                 nextWordWidth += nextCell->GetWidth();
 730                 nextCell = nextCell->GetNext();
 731             } while (nextCell && !nextCell->IsLinebreakAllowed());
 732         }
 733
 734         // force new line if occured:
 735         if ((cell == NULL) ||
 736             (xpos + nextWordWidth > s_width && cell->IsLinebreakAllowed()))
 737         {
 738             if (xpos > MaxLineWidth) MaxLineWidth = xpos;
 739             if (ysizeup < 0) ysizeup = 0;
 740             if (ysizedown < 0) ysizedown = 0;
 741             switch (m_AlignHor) {
 742                 case wxHTML_ALIGN_LEFT :
 743                 case wxHTML_ALIGN_JUSTIFY :
 744                          xdelta = 0;
 745                          break;
 746                 case wxHTML_ALIGN_RIGHT :
 747                          xdelta = 0 + (s_width - xpos);
 748                          break;
 749                 case wxHTML_ALIGN_CENTER :
 750                          xdelta = 0 + (s_width - xpos) / 2;
 751                          break;
 752             }
 753             if (xdelta < 0) xdelta = 0;
 754             xdelta += s_indent;
 755
 756             ypos += ysizeup;
 757
 758             if (m_AlignHor != wxHTML_ALIGN_JUSTIFY || cell == NULL)
 759             {
 760                 while (line != cell)
 761                 {
 762                     line->SetPos(line->GetPosX() + xdelta,
 763                                    ypos + line->GetPosY());
 764                     line = line->GetNext();
 765                 }
 766             }
 767             else // align == justify
 768             {
 769                 // we have to distribute the extra horz space between the cells
 770                 // on this line
 771
 772                 // an added complication is that some cells have fixed size and
 773                 // shouldn't get any increment (it so happens that these cells
 774                 // also don't allow line break on them which provides with an
 775                 // easy way to test for this) -- and neither should the cells
 776                 // adjacent to them as this could result in a visible space
 777                 // between two cells separated by, e.g. font change, cell which
 778                 // is wrong
 779
 780                 int step = s_width - xpos;
 781                 if ( step > 0 )
 782                 {
 783                     // first count the cells which will get extra space
 784                     int total = 0;
 785
 786                     const wxHtmlCell *c;
 787                     if ( line != cell )
 788                     {
 789                         for ( c = line->GetNext(); c != cell; c = c->GetNext() )
 790                         {
 791                             if ( c->IsLinebreakAllowed() )
 792                             {
 793                                 total++;
 794                             }
 795                         }
 796                     }
 797
 798                     // and now extra space to those cells which merit it
 799                     if ( total )
 800                     {
 801                         // first cell on line is not moved:
 802                         line->SetPos(line->GetPosX() + s_indent,
 803                                      line->GetPosY() + ypos);
 804
 805                         line = line->GetNext();
 806                         for ( int n = 0; line != cell; line = line->GetNext() )
 807                         {
 808                             if ( line->IsLinebreakAllowed() )
 809                             {
 810                                 // offset the next cell relative to this one
 811                                 // thus increasing our size
 812                                 n++;
 813                             }
 814
 815                             line->SetPos(line->GetPosX() + s_indent +
 816                                            ((n * step) / total),
 817                                            line->GetPosY() + ypos);
 818                         }
 819                     }
 820                     else
 821                     {
 822                         // this will cause the code to enter "else branch" below:
 823                         step = 0;
 824                     }
 825                 }
 826                 // else branch:
 827                 if ( step <= 0 ) // no extra space to distribute
 828                 {
 829                     // just set the indent properly
 830                     while (line != cell)
 831                     {
 832                         line->SetPos(line->GetPosX() + s_indent,
 833                                      line->GetPosY() + ypos);
 834                         line = line->GetNext();
 835                     }
 836                 }
 837             }
 838
 839             ypos += ysizedown;
 840             xpos = 0;
 841             ysizeup = ysizedown = 0;
 842             line = cell;
 843         }
 844     }
 845
 846     // setup height & width, depending on container layout:
 847     m_Height = ypos + (ysizedown + ysizeup) + m_IndentBottom;
 848
 849     if (m_Height < m_MinHeight)
 850     {
 851         if (m_MinHeightAlign != wxHTML_ALIGN_TOP)
 852         {
 853             int diff = m_MinHeight - m_Height;
 854             if (m_MinHeightAlign == wxHTML_ALIGN_CENTER) diff /= 2;
 855             cell = m_Cells;
 856             while (cell)
 857             {
 858                 cell->SetPos(cell->GetPosX(), cell->GetPosY() + diff);
 859                 cell = cell->GetNext();
 860             }
 861         }
 862         m_Height = m_MinHeight;
 863     }
 864
 865     if (curLineWidth > m_MaxTotalWidth)
 866         m_MaxTotalWidth = curLineWidth;
 867
 868     m_MaxTotalWidth += s_indent + ((m_IndentRight < 0) ? (-m_IndentRight * m_Width / 100) : m_IndentRight);
 869     MaxLineWidth += s_indent + ((m_IndentRight < 0) ? (-m_IndentRight * m_Width / 100) : m_IndentRight);
 870     if (m_Width < MaxLineWidth) m_Width = MaxLineWidth;
 871
 872     m_LastLayout = w;
 873 }
 874
 875 void wxHtmlContainerCell::UpdateRenderingStatePre(wxHtmlRenderingInfo& info,
 876                                                   wxHtmlCell *cell) const
 877 {
 878     wxHtmlSelection *s = info.GetSelection();
 879     if (!s) return;
 880     if (s->GetFromCell() == cell || s->GetToCell() == cell)
 881     {
 882         info.GetState().SetSelectionState(wxHTML_SEL_CHANGING);
 883     }
 884 }
 885
 886 void wxHtmlContainerCell::UpdateRenderingStatePost(wxHtmlRenderingInfo& info,
 887                                                    wxHtmlCell *cell) const
 888 {
 889     wxHtmlSelection *s = info.GetSelection();
 890     if (!s) return;
 891     if (s->GetToCell() == cell)
 892         info.GetState().SetSelectionState(wxHTML_SEL_OUT);
 893     else if (s->GetFromCell() == cell)
 894         info.GetState().SetSelectionState(wxHTML_SEL_IN);
 895 }
 896
 897 #define mMin(a, b) (((a) < (b)) ? (a) : (b))
 898 #define mMax(a, b) (((a) < (b)) ? (b) : (a))
 899
 900 void wxHtmlContainerCell::Draw(wxDC& dc, int x, int y, int view_y1, int view_y2,
 901                                wxHtmlRenderingInfo& info)
 902 {
 903 #if 0 // useful for debugging
 904     dc.SetPen(*wxRED_PEN);
 905     dc.DrawRectangle(x+m_PosX,y+m_PosY,m_Width,m_Height);
 906 #endif
 907     // container visible, draw it:
 908     if ((y + m_PosY <= view_y2) && (y + m_PosY + m_Height > view_y1))
 909     {
 910         if (m_UseBkColour)
 911         {
 912             wxBrush myb = wxBrush(m_BkColour, wxSOLID);
 913
 914             int real_y1 = mMax(y + m_PosY, view_y1);
 915             int real_y2 = mMin(y + m_PosY + m_Height - 1, view_y2);
 916
 917             dc.SetBrush(myb);
 918             dc.SetPen(*wxTRANSPARENT_PEN);
 919             dc.DrawRectangle(x + m_PosX, real_y1, m_Width, real_y2 - real_y1 + 1);
 920         }
 921
 922         if (m_UseBorder)
 923         {
 924             wxPen mypen1(m_BorderColour1, 1, wxSOLID);
 925             wxPen mypen2(m_BorderColour2, 1, wxSOLID);
 926
 927             dc.SetPen(mypen1);
 928             dc.DrawLine(x + m_PosX, y + m_PosY, x + m_PosX, y + m_PosY + m_Height - 1);
 929             dc.DrawLine(x + m_PosX, y + m_PosY, x + m_PosX + m_Width, y + m_PosY);
 930             dc.SetPen(mypen2);
 931             dc.DrawLine(x + m_PosX + m_Width - 1, y + m_PosY, x + m_PosX +  m_Width - 1, y + m_PosY + m_Height - 1);
 932             dc.DrawLine(x + m_PosX, y + m_PosY + m_Height - 1, x + m_PosX + m_Width, y + m_PosY + m_Height - 1);
 933         }
 934
 935         if (m_Cells)
 936         {
 937             // draw container's contents:
 938             for (wxHtmlCell *cell = m_Cells; cell; cell = cell->GetNext())
 939             {
 940                 UpdateRenderingStatePre(info, cell);
 941                 cell->Draw(dc,
 942                            x + m_PosX, y + m_PosY, view_y1, view_y2,
 943                            info);
 944                 UpdateRenderingStatePost(info, cell);
 945             }
 946         }
 947     }
 948     // container invisible, just proceed font+color changing:
 949     else
 950     {
 951         DrawInvisible(dc, x, y, info);
 952     }
 953 }
 954
 955
 956
 957 void wxHtmlContainerCell::DrawInvisible(wxDC& dc, int x, int y,
 958                                         wxHtmlRenderingInfo& info)
 959 {
 960     if (m_Cells)
 961     {
 962         for (wxHtmlCell *cell = m_Cells; cell; cell = cell->GetNext())
 963         {
 964             UpdateRenderingStatePre(info, cell);
 965             cell->DrawInvisible(dc, x + m_PosX, y + m_PosY, info);
 966             UpdateRenderingStatePost(info, cell);
 967         }
 968     }
 969 }
 970
 971
 972 wxColour wxHtmlContainerCell::GetBackgroundColour()
 973 {
 974     if (m_UseBkColour)
 975         return m_BkColour;
 976     else
 977         return wxNullColour;
 978 }
 979
 980
 981
 982 wxHtmlLinkInfo *wxHtmlContainerCell::GetLink(int x, int y) const
 983 {
 984     wxHtmlCell *cell = FindCellByPos(x, y);
 985
 986     // VZ: I don't know if we should pass absolute or relative coords to
 987     //     wxHtmlCell::GetLink()? As the base class version just ignores them
 988     //     anyhow, it hardly matters right now but should still be clarified
 989     return cell ? cell->GetLink(x, y) : NULL;
 990 }
 991
 992
 993
 994 void wxHtmlContainerCell::InsertCell(wxHtmlCell *f)
 995 {
 996     if (!m_Cells) m_Cells = m_LastCell = f;
 997     else
 998     {
 999         m_LastCell->SetNext(f);
1000         m_LastCell = f;
1001         if (m_LastCell) while (m_LastCell->GetNext()) m_LastCell = m_LastCell->GetNext();
1002     }
1003     f->SetParent(this);
1004     m_LastLayout = -1;
1005 }
1006
1007
1008
1009 void wxHtmlContainerCell::SetAlign(const wxHtmlTag& tag)
1010 {
1011     if (tag.HasParam(wxT("ALIGN")))
1012     {
1013         wxString alg = tag.GetParam(wxT("ALIGN"));
1014         alg.MakeUpper();
1015         if (alg == wxT("CENTER"))
1016             SetAlignHor(wxHTML_ALIGN_CENTER);
1017         else if (alg == wxT("LEFT"))
1018             SetAlignHor(wxHTML_ALIGN_LEFT);
1019         else if (alg == wxT("JUSTIFY"))
1020             SetAlignHor(wxHTML_ALIGN_JUSTIFY);
1021         else if (alg == wxT("RIGHT"))
1022             SetAlignHor(wxHTML_ALIGN_RIGHT);
1023         m_LastLayout = -1;
1024     }
1025 }
1026
1027
1028
1029 void wxHtmlContainerCell::SetWidthFloat(const wxHtmlTag& tag, double pixel_scale)
1030 {
1031     if (tag.HasParam(wxT("WIDTH")))
1032     {
1033         int wdi;
1034         wxString wd = tag.GetParam(wxT("WIDTH"));
1035
1036         if (wd[wd.Length()-1] == wxT('%'))
1037         {
1038             wxSscanf(wd.c_str(), wxT("%i%%"), &wdi);
1039             SetWidthFloat(wdi, wxHTML_UNITS_PERCENT);
1040         }
1041         else
1042         {
1043             wxSscanf(wd.c_str(), wxT("%i"), &wdi);
1044             SetWidthFloat((int)(pixel_scale * (double)wdi), wxHTML_UNITS_PIXELS);
1045         }
1046         m_LastLayout = -1;
1047     }
1048 }
1049
1050
1051
1052 const wxHtmlCell* wxHtmlContainerCell::Find(int condition, const void* param) const
1053 {
1054     if (m_Cells)
1055     {
1056         for (wxHtmlCell *cell = m_Cells; cell; cell = cell->GetNext())
1057         {
1058             const wxHtmlCell *r = cell->Find(condition, param);
1059             if (r) return r;
1060         }
1061     }
1062     return NULL;
1063 }
1064
1065
1066 wxHtmlCell *wxHtmlContainerCell::FindCellByPos(wxCoord x, wxCoord y,
1067                                                unsigned flags) const
1068 {
1069     if ( flags & wxHTML_FIND_EXACT )
1070     {
1071         for ( const wxHtmlCell *cell = m_Cells; cell; cell = cell->GetNext() )
1072         {
1073             int cx = cell->GetPosX(),
1074                 cy = cell->GetPosY();
1075
1076             if ( (cx <= x) && (cx + cell->GetWidth() > x) &&
1077                  (cy <= y) && (cy + cell->GetHeight() > y) )
1078             {
1079                 return cell->FindCellByPos(x - cx, y - cy, flags);
1080             }
1081         }
1082     }
1083     else if ( flags & wxHTML_FIND_NEAREST_AFTER )
1084     {
1085         wxHtmlCell *c;
1086         for ( const wxHtmlCell *cell = m_Cells; cell; cell = cell->GetNext() )
1087         {
1088             if ( cell->IsFormattingCell() )
1089                 continue;
1090             int cellY = cell->GetPosY();
1091             if (!( y < cellY || (y < cellY + cell->GetHeight() &&
1092                                  x < cell->GetPosX() + cell->GetWidth()) ))
1093                 continue;
1094
1095             c = cell->FindCellByPos(x - cell->GetPosX(), y - cellY, flags);
1096             if (c) return c;
1097         }
1098     }
1099     else if ( flags & wxHTML_FIND_NEAREST_BEFORE )
1100     {
1101         wxHtmlCell *c2, *c = NULL;
1102         for ( const wxHtmlCell *cell = m_Cells; cell; cell = cell->GetNext() )
1103         {
1104             if ( cell->IsFormattingCell() )
1105                 continue;
1106             int cellY = cell->GetPosY();
1107             if (!( cellY + cell->GetHeight() <= y ||
1108                    (y >= cellY && x >= cell->GetPosX()) ))
1109                 break;
1110             c2 = cell->FindCellByPos(x - cell->GetPosX(), y - cellY, flags);
1111             if (c2)
1112                 c = c2;
1113         }
1114         if (c) return c;
1115     }
1116
1117     return NULL;
1118 }
1119
1120
1121 void wxHtmlContainerCell::OnMouseClick(wxWindow *parent, int x, int y, const wxMouseEvent& event)
1122 {
1123     wxHtmlCell *cell = FindCellByPos(x, y);
1124     if ( cell )
1125         cell->OnMouseClick(parent, x, y, event);
1126 }
1127
1128
1129
1130 wxHtmlCell *wxHtmlContainerCell::GetFirstTerminal() const
1131 {
1132     if ( m_Cells )
1133     {
1134         wxHtmlCell *c2;
1135         for (wxHtmlCell *c = m_Cells; c; c = c->GetNext())
1136         {
1137             c2 = c->GetFirstTerminal();
1138             if ( c2 )
1139                 return c2;
1140         }
1141     }
1142     return NULL;
1143 }
1144
1145 wxHtmlCell *wxHtmlContainerCell::GetLastTerminal() const
1146 {
1147     if ( m_Cells )
1148     {
1149         // most common case first:
1150         wxHtmlCell *c = m_LastCell->GetLastTerminal();
1151         if ( c )
1152             return c;
1153
1154         wxHtmlCell *ctmp;
1155         wxHtmlCell *c2 = NULL;
1156         for (c = m_Cells; c; c = c->GetNext())
1157         {
1158             ctmp = c->GetLastTerminal();
1159             if ( ctmp )
1160                 c2 = ctmp;
1161         }
1162         return c2;
1163     }
1164     else
1165         return NULL;
1166 }
1167
1168
1169 static bool IsEmptyContainer(wxHtmlContainerCell *cell)
1170 {
1171     for ( wxHtmlCell *c = cell->GetFirstChild(); c; c = c->GetNext() )
1172     {
1173         if ( !c->IsTerminalCell() || !c->IsFormattingCell() )
1174             return false;
1175     }
1176     return true;
1177 }
1178
1179 void wxHtmlContainerCell::RemoveExtraSpacing(bool top, bool bottom)
1180 {
1181     if ( top )
1182         SetIndent(0, wxHTML_INDENT_TOP);
1183     if ( bottom )
1184         SetIndent(0, wxHTML_INDENT_BOTTOM);
1185
1186     if ( m_Cells )
1187     {
1188         wxHtmlCell *c;
1189         wxHtmlContainerCell *cont;
1190         if ( top )
1191         {
1192             for ( c = m_Cells; c; c = c->GetNext() )
1193             {
1194                 if ( c->IsTerminalCell() )
1195                 {
1196                     if ( !c->IsFormattingCell() )
1197                         break;
1198                 }
1199                 else
1200                 {
1201                     cont = (wxHtmlContainerCell*)c;
1202                     if ( IsEmptyContainer(cont) )
1203                     {
1204                         cont->SetIndent(0, wxHTML_INDENT_VERTICAL);
1205                     }
1206                     else
1207                     {
1208                         cont->RemoveExtraSpacing(true, false);
1209                         break;
1210                     }
1211                 }
1212             }
1213         }
1214
1215         if ( bottom )
1216         {
1217             wxArrayPtrVoid arr;
1218             for ( c = m_Cells; c; c = c->GetNext() )
1219                 arr.Add((void*)c);
1220
1221             for ( int i = arr.GetCount() - 1; i >= 0; i--)
1222             {
1223                 c = (wxHtmlCell*)arr[i];
1224                 if ( c->IsTerminalCell() )
1225                 {
1226                     if ( !c->IsFormattingCell() )
1227                         break;
1228                 }
1229                 else
1230                 {
1231                     cont = (wxHtmlContainerCell*)c;
1232                     if ( IsEmptyContainer(cont) )
1233                     {
1234                         cont->SetIndent(0, wxHTML_INDENT_VERTICAL);                                 }
1235                     else
1236                     {
1237                         cont->RemoveExtraSpacing(false, true);
1238                         break;
1239                     }
1240                 }
1241             }
1242         }
1243     }
1244 }
1245
1246
1247
1248
1249 // --------------------------------------------------------------------------
1250 // wxHtmlColourCell
1251 // --------------------------------------------------------------------------
1252
1253 IMPLEMENT_ABSTRACT_CLASS(wxHtmlColourCell, wxHtmlCell)
1254
1255 void wxHtmlColourCell::Draw(wxDC& dc,
1256                             int x, int y,
1257                             int WXUNUSED(view_y1), int WXUNUSED(view_y2),
1258                             wxHtmlRenderingInfo& info)
1259 {
1260     DrawInvisible(dc, x, y, info);
1261 }
1262
1263 void wxHtmlColourCell::DrawInvisible(wxDC& dc,
1264                                      int WXUNUSED(x), int WXUNUSED(y),
1265                                      wxHtmlRenderingInfo& info)
1266 {
1267     wxHtmlRenderingState& state = info.GetState();
1268     if (m_Flags & wxHTML_CLR_FOREGROUND)
1269     {
1270         state.SetFgColour(m_Colour);
1271         if (state.GetSelectionState() != wxHTML_SEL_IN)
1272             dc.SetTextForeground(m_Colour);
1273         else
1274             dc.SetTextForeground(
1275                     info.GetStyle().GetSelectedTextColour(m_Colour));
1276     }
1277     if (m_Flags & wxHTML_CLR_BACKGROUND)
1278     {
1279         state.SetBgColour(m_Colour);
1280         if (state.GetSelectionState() != wxHTML_SEL_IN)
1281         {
1282             dc.SetTextBackground(m_Colour);
1283             dc.SetBackground(wxBrush(m_Colour, wxSOLID));
1284         }
1285         else
1286         {
1287             wxColour c = info.GetStyle().GetSelectedTextBgColour(m_Colour);
1288             dc.SetTextBackground(c);
1289             dc.SetBackground(wxBrush(c, wxSOLID));
1290         }
1291     }
1292 }
1293
1294
1295
1296
1297 // ---------------------------------------------------------------------------
1298 // wxHtmlFontCell
1299 // ---------------------------------------------------------------------------
1300
1301 IMPLEMENT_ABSTRACT_CLASS(wxHtmlFontCell, wxHtmlCell)
1302
1303 void wxHtmlFontCell::Draw(wxDC& dc,
1304                           int WXUNUSED(x), int WXUNUSED(y),
1305                           int WXUNUSED(view_y1), int WXUNUSED(view_y2),
1306                           wxHtmlRenderingInfo& WXUNUSED(info))
1307 {
1308     dc.SetFont(m_Font);
1309 }
1310
1311 void wxHtmlFontCell::DrawInvisible(wxDC& dc, int WXUNUSED(x), int WXUNUSED(y),
1312                                    wxHtmlRenderingInfo& WXUNUSED(info))
1313 {
1314     dc.SetFont(m_Font);
1315 }
1316
1317
1318
1319
1320
1321
1322
1323
1324 // ---------------------------------------------------------------------------
1325 // wxHtmlWidgetCell
1326 // ---------------------------------------------------------------------------
1327
1328 IMPLEMENT_ABSTRACT_CLASS(wxHtmlWidgetCell, wxHtmlCell)
1329
1330 wxHtmlWidgetCell::wxHtmlWidgetCell(wxWindow *wnd, int w)
1331 {
1332     int sx, sy;
1333     m_Wnd = wnd;
1334     m_Wnd->GetSize(&sx, &sy);
1335     m_Width = sx, m_Height = sy;
1336     m_WidthFloat = w;
1337 }
1338
1339
1340 void wxHtmlWidgetCell::Draw(wxDC& WXUNUSED(dc),
1341                             int WXUNUSED(x), int WXUNUSED(y),
1342                             int WXUNUSED(view_y1), int WXUNUSED(view_y2),
1343                             wxHtmlRenderingInfo& WXUNUSED(info))
1344 {
1345     int absx = 0, absy = 0, stx, sty;
1346     wxHtmlCell *c = this;
1347
1348     while (c)
1349     {
1350         absx += c->GetPosX();
1351         absy += c->GetPosY();
1352         c = c->GetParent();
1353     }
1354
1355     ((wxScrolledWindow*)(m_Wnd->GetParent()))->GetViewStart(&stx, &sty);
1356     m_Wnd->SetSize(absx - wxHTML_SCROLL_STEP * stx, absy  - wxHTML_SCROLL_STEP * sty, m_Width, m_Height);
1357 }
1358
1359
1360
1361 void wxHtmlWidgetCell::DrawInvisible(wxDC& WXUNUSED(dc),
1362                                      int WXUNUSED(x), int WXUNUSED(y),
1363                                      wxHtmlRenderingInfo& WXUNUSED(info))
1364 {
1365     int absx = 0, absy = 0, stx, sty;
1366     wxHtmlCell *c = this;
1367
1368     while (c)
1369     {
1370         absx += c->GetPosX();
1371         absy += c->GetPosY();
1372         c = c->GetParent();
1373     }
1374
1375     ((wxScrolledWindow*)(m_Wnd->GetParent()))->GetViewStart(&stx, &sty);
1376     m_Wnd->SetSize(absx - wxHTML_SCROLL_STEP * stx, absy  - wxHTML_SCROLL_STEP * sty, m_Width, m_Height);
1377 }
1378
1379
1380
1381 void wxHtmlWidgetCell::Layout(int w)
1382 {
1383     if (m_WidthFloat != 0)
1384     {
1385         m_Width = (w * m_WidthFloat) / 100;
1386         m_Wnd->SetSize(m_Width, m_Height);
1387     }
1388
1389     wxHtmlCell::Layout(w);
1390 }
1391
1392
1393
1394 // ----------------------------------------------------------------------------
1395 // wxHtmlTerminalCellsInterator
1396 // ----------------------------------------------------------------------------
1397
1398 const wxHtmlCell* wxHtmlTerminalCellsInterator::operator++()
1399 {
1400     if ( !m_pos )
1401         return NULL;
1402
1403     do
1404     {
1405         if ( m_pos == m_to )
1406         {
1407             m_pos = NULL;
1408             return NULL;
1409         }
1410
1411         if ( m_pos->GetNext() )
1412             m_pos = m_pos->GetNext();
1413         else
1414         {
1415             // we must go up the hierarchy until we reach container where this
1416             // is not the last child, and then go down to first terminal cell:
1417             while ( m_pos->GetNext() == NULL )
1418             {
1419                 m_pos = m_pos->GetParent();
1420                 if ( !m_pos )
1421                     return NULL;
1422             }
1423             m_pos = m_pos->GetNext();
1424         }
1425         while ( m_pos->GetFirstChild() != NULL )
1426             m_pos = m_pos->GetFirstChild();
1427     } while ( !m_pos->IsTerminalCell() );
1428
1429     return m_pos;
1430 }
1431
1432
1433
1434
1435
1436
1437
1438 //-----------------------------------------------------------------------------
1439 // Cleanup
1440 //-----------------------------------------------------------------------------
1441
1442 class wxHtmlCellModule: public wxModule
1443 {
1444 DECLARE_DYNAMIC_CLASS(wxHtmlCellModule)
1445 public:
1446     wxHtmlCellModule() : wxModule() {}
1447     bool OnInit() { return true; }
1448     void OnExit()
1449     {
1450         wxDELETE(gs_cursorLink);
1451         wxDELETE(gs_cursorText);
1452     }
1453 };
1454
1455 IMPLEMENT_DYNAMIC_CLASS(wxHtmlCellModule, wxModule)
1456
1457 #endif