X-Git-Url: https://git.saurik.com/wxWidgets.git/blobdiff_plain/5c1bfc5da0e4a79803c87747371bcccb377899e0..91c536df157aa500e832ff9e8541839d2e07f6b4:/src/html/htmlcell.cpp

diff --git a/src/html/htmlcell.cpp b/src/html/htmlcell.cpp
index 845a709c1f..909584da20 100644
--- a/src/html/htmlcell.cpp
+++ b/src/html/htmlcell.cpp
@@ -14,14 +14,17 @@
 #include "wx/wxprec.h"
 
 #include "wx/defs.h"
-#if wxUSE_HTML
+
+#if wxUSE_HTML && wxUSE_STREAMS
 
 #ifdef __BORDLANDC__
 #pragma hdrstop
 #endif
 
 #ifndef WXPRECOMP
-#include "wx/wx.h"
+    #include "wx/brush.h"
+    #include "wx/colour.h"
+    #include "wx/dc.h"
 #endif
 
 #include "wx/html/htmlcell.h"
@@ -33,23 +36,22 @@
 // wxHtmlCell
 //-----------------------------------------------------------------------------
 
-wxHtmlCell::wxHtmlCell() : wxObject() 
+wxHtmlCell::wxHtmlCell() : wxObject()
 {
-    m_Next = NULL; 
-    m_Parent = NULL; 
-    m_Width = m_Height = m_Descent = 0; 
+    m_Next = NULL;
+    m_Parent = NULL;
+    m_Width = m_Height = m_Descent = 0;
     m_CanLiveOnPagebreak = TRUE;
     m_Link = NULL;
 }
 
-wxHtmlCell::~wxHtmlCell() 
+wxHtmlCell::~wxHtmlCell()
 {
-    if (m_Link) delete m_Link; 
-    if (m_Next) delete m_Next;
+    delete m_Link;
 }
 
 
-void wxHtmlCell::OnMouseClick(wxWindow *parent, int x, int y, 
+void wxHtmlCell::OnMouseClick(wxWindow *parent, int x, int y,
                               const wxMouseEvent& event)
 {
     wxHtmlLinkInfo *lnk = GetLink(x, y);
@@ -58,8 +60,9 @@ void wxHtmlCell::OnMouseClick(wxWindow *parent, int x, int y,
         wxHtmlLinkInfo lnk2(*lnk);
         lnk2.SetEvent(&event);
         lnk2.SetHtmlCell(this);
-        ((wxHtmlWindow*)parent) -> OnLinkClicked(lnk2);
-        // note : this overcasting is legal because parent is *always* wxHtmlWindow
+
+        // note : this cast is legal because parent is *always* wxHtmlWindow
+        wxStaticCast(parent, wxHtmlWindow)->OnLinkClicked(lnk2);
     }
 }
 
@@ -67,28 +70,59 @@ void wxHtmlCell::OnMouseClick(wxWindow *parent, int x, int y,
 
 bool wxHtmlCell::AdjustPagebreak(int *pagebreak) const
 {
-    if ((!m_CanLiveOnPagebreak) && 
-                m_PosY < *pagebreak && m_PosY + m_Height > *pagebreak) {
+    if ((!m_CanLiveOnPagebreak) &&
+                m_PosY < *pagebreak && m_PosY + m_Height > *pagebreak)
+    {
         *pagebreak = m_PosY;
-        if (m_Next != NULL) m_Next -> AdjustPagebreak(pagebreak);
         return TRUE;
     }
-    
-    else {
-        if (m_Next != NULL) return m_Next -> AdjustPagebreak(pagebreak);
-        else return FALSE;
-    }
+
+    return FALSE;
 }
 
 
 
-void wxHtmlCell::SetLink(const wxHtmlLinkInfo& link) 
+void wxHtmlCell::SetLink(const wxHtmlLinkInfo& link)
 {
     if (m_Link) delete m_Link;
-    m_Link = new wxHtmlLinkInfo(link);
+    m_Link = NULL;
+    if (link.GetHref() != wxEmptyString)
+        m_Link = new wxHtmlLinkInfo(link);
+}
+
+
+
+void wxHtmlCell::Layout(int WXUNUSED(w))
+{
+    SetPos(0, 0);
+}
+
+
+
+void wxHtmlCell::GetHorizontalConstraints(int *left, int *right) const
+{
+    if (left)
+        *left = m_PosX;
+    if (right)
+        *right = m_PosX + m_Width;
+}
+
+
+
+const wxHtmlCell* wxHtmlCell::Find(int WXUNUSED(condition), const void* WXUNUSED(param)) const
+{
+    return NULL;
 }
 
 
+wxHtmlCell *wxHtmlCell::FindCellByPos(wxCoord x, wxCoord y) const
+{
+    if ( x >= 0 && x < m_Width && y >= 0 && y < m_Height )
+        return wxConstCast(this, wxHtmlCell);
+
+    return NULL;
+}
+
 
 //-----------------------------------------------------------------------------
 // wxHtmlWordCell
@@ -97,130 +131,15 @@ void wxHtmlCell::SetLink(const wxHtmlLinkInfo& link)
 wxHtmlWordCell::wxHtmlWordCell(const wxString& word, wxDC& dc) : wxHtmlCell()
 {
     m_Word = word;
-    
-    if (m_Word.Find(wxT('&')) != -1) 
-    {
-#define ESCSEQ(escape, subst)  \
-                  { wxT("&"escape";"), wxT("&"escape" "), wxT(subst) } 
-        static wxChar* substitutions[][3] = 
-                {
-                ESCSEQ("quot", "\""),
-                ESCSEQ("lt", "<"),
-                ESCSEQ("gt", ">"),
-    
-                ESCSEQ("nbsp", " "),
-                ESCSEQ("iexcl", "!"),
-                ESCSEQ("cent", "¢"),
-    
-                ESCSEQ("yen", " "),
-                ESCSEQ("brkbar", " "),
-                ESCSEQ("sect", " "),
-                ESCSEQ("uml", " "),
-    
-                ESCSEQ("copy", "(c)"),
-                ESCSEQ("ordf", " "),
-                ESCSEQ("laquo", " "),
-                ESCSEQ("not", " "),
-    
-                ESCSEQ("reg", "(r)"),
-    
-                ESCSEQ("deg", " "),
-                ESCSEQ("plusm", " "),
-    
-                ESCSEQ("acute", " "),
-                ESCSEQ("micro", " "),
-                ESCSEQ("para", " "),
-    
-                ESCSEQ("ordm", " "),
-                ESCSEQ("raquo", " "),
-    
-                ESCSEQ("iquest", " "),
-                ESCSEQ("Agrave", "À"),
-    
-                ESCSEQ("Acirc", "Â"),
-                ESCSEQ("Atilde", "Ã"),
-                ESCSEQ("Auml", "Ä"),
-                ESCSEQ("Aring", " "),
-                ESCSEQ("AElig", " "),
-                ESCSEQ("Ccedil", "ç"),
-                ESCSEQ("Egrave", "È"),
-                ESCSEQ("Eacute", "É"),
-                ESCSEQ("Ecirc", "Ê"),
-                ESCSEQ("Euml", "Ë"),
-                ESCSEQ("Igrave", "Ì"),
-
-                ESCSEQ("Icirc", "Î"),
-                ESCSEQ("Iuml", "Ï"),
-    
-                ESCSEQ("Ntilde", "Ñ"),
-                ESCSEQ("Ograve", "Ò"),
-    
-                ESCSEQ("Ocirc", "Ô"),
-                ESCSEQ("Otilde", "Õ"),
-                ESCSEQ("Ouml", "Ö"),
-    
-                ESCSEQ("Oslash", " "),
-                ESCSEQ("Ugrave", "Ù"),
-    
-                ESCSEQ("Ucirc", " "),
-                ESCSEQ("Uuml", "Ü"),
-    
-                ESCSEQ("szlig", "§"),
-                ESCSEQ("agrave;","à"),
-                ESCSEQ("aacute", "á"),
-                ESCSEQ("acirc", "â"),
-                ESCSEQ("atilde", "ã"),
-                ESCSEQ("auml", "ä"),
-                ESCSEQ("aring", "a"),
-                ESCSEQ("aelig", "ae"),
-                ESCSEQ("ccedil", "ç"),
-                ESCSEQ("egrave", "è"),
-                ESCSEQ("eacute", "é"),
-                ESCSEQ("ecirc", "ê"),
-                ESCSEQ("euml", "ë"),
-                ESCSEQ("igrave", "ì"),
-                ESCSEQ("iacute", "í"),
-                ESCSEQ("icirc", " "),
-                ESCSEQ("iuml", "ï"),
-                ESCSEQ("eth", " "),
-                ESCSEQ("ntilde", "ñ"),
-                ESCSEQ("ograve", "ò"),
-                ESCSEQ("oacute", "ó"),
-                ESCSEQ("ocirc", "ô"),
-                ESCSEQ("otilde", "õ"),
-                ESCSEQ("ouml", "ö"),
-                ESCSEQ("divide", " "),
-                ESCSEQ("oslash", " "),
-                ESCSEQ("ugrave", "ù"),
-                ESCSEQ("uacute", "ú"),
-                ESCSEQ("ucirc", "û"),
-                ESCSEQ("uuml", "ü"),
-    
-                ESCSEQ("yuml", ""),
-
-                /* this one should ALWAYS stay the last one!!! */
-                ESCSEQ("amp", "&"),
-
-                { NULL, NULL, NULL }
-                };
-
-        for (int i = 0; substitutions[i][0] != NULL; i++) 
-        {
-            m_Word.Replace(substitutions[i][0], substitutions[i][2], TRUE);
-            m_Word.Replace(substitutions[i][1], substitutions[i][2], TRUE);
-        }
-    }
-
     dc.GetTextExtent(m_Word, &m_Width, &m_Height, &m_Descent);
     SetCanLiveOnPagebreak(FALSE);
 }
 
 
 
-void wxHtmlWordCell::Draw(wxDC& dc, int x, int y, int view_y1, int view_y2)
+void wxHtmlWordCell::Draw(wxDC& dc, int x, int y, int WXUNUSED(view_y1), int WXUNUSED(view_y2))
 {
     dc.DrawText(m_Word, x + m_PosX, y + m_PosY);
-    wxHtmlCell::Draw(dc, x, y, view_y1, view_y2);
 }
 
 
@@ -234,7 +153,7 @@ wxHtmlContainerCell::wxHtmlContainerCell(wxHtmlContainerCell *parent) : wxHtmlCe
 {
     m_Cells = m_LastCell = NULL;
     m_Parent = parent;
-    if (m_Parent) m_Parent -> InsertCell(this);
+    if (m_Parent) m_Parent->InsertCell(this);
     m_AlignHor = wxHTML_ALIGN_LEFT;
     m_AlignVer = wxHTML_ALIGN_BOTTOM;
     m_IndentLeft = m_IndentRight = m_IndentTop = m_IndentBottom = 0;
@@ -246,6 +165,17 @@ wxHtmlContainerCell::wxHtmlContainerCell(wxHtmlContainerCell *parent) : wxHtmlCe
     m_LastLayout = -1;
 }
 
+wxHtmlContainerCell::~wxHtmlContainerCell()
+{
+    wxHtmlCell *cell = m_Cells;
+    while ( cell )
+    {
+        wxHtmlCell *cellNext = cell->GetNext();
+        delete cell;
+        cell = cellNext;
+    }
+}
+
 
 
 void wxHtmlContainerCell::SetIndent(int i, int what, int units)
@@ -287,19 +217,23 @@ int wxHtmlContainerCell::GetIndentUnits(int ind) const
 
 bool wxHtmlContainerCell::AdjustPagebreak(int *pagebreak) const
 {
-    if (!m_CanLiveOnPagebreak) 
+    if (!m_CanLiveOnPagebreak)
         return wxHtmlCell::AdjustPagebreak(pagebreak);
 
-    else {
+    else
+    {
         wxHtmlCell *c = GetFirstCell();
         bool rt = FALSE;
         int pbrk = *pagebreak - m_PosY;
 
-        while (c) {
-            if (c -> AdjustPagebreak(&pbrk)) rt = TRUE;
-            c = c -> GetNext();
+        while (c)
+        {
+            if (c->AdjustPagebreak(&pbrk))
+                rt = TRUE;
+            c = c->GetNext();
         }
-        if (rt) *pagebreak = pbrk + m_PosY;
+        if (rt)
+            *pagebreak = pbrk + m_PosY;
         return rt;
     }
 }
@@ -308,10 +242,23 @@ bool wxHtmlContainerCell::AdjustPagebreak(int *pagebreak) const
 
 void wxHtmlContainerCell::Layout(int w)
 {
-    if (m_LastLayout == w) {
-        wxHtmlCell::Layout(w);
-        return;
-    } 
+    wxHtmlCell::Layout(w);
+
+    if (m_LastLayout == w) return;
+
+    // VS: Any attempt to layout with negative or zero width leads to hell,
+    // but we can't ignore such attempts completely, since it sometimes
+    // happen (e.g. when trying how small a table can be). The best thing we
+    // can do is to set the width of child cells to zero
+    if (w < 1)
+    {
+       m_Width = 0;
+       for (wxHtmlCell *cell = m_Cells; cell; cell = cell->GetNext())
+            cell->Layout(0);
+            // this does two things: it recursively calls this code on all child
+            // contrainers and resets children's position to (0,0)
+       return;
+    }
 
     wxHtmlCell *cell = m_Cells, *line = m_Cells;
     long xpos = 0, ypos = m_IndentTop;
@@ -328,19 +275,23 @@ void wxHtmlContainerCell::Layout(int w)
 
     */
 
-    if (m_WidthFloatUnits == wxHTML_UNITS_PERCENT) {
+    if (m_WidthFloatUnits == wxHTML_UNITS_PERCENT)
+    {
         if (m_WidthFloat < 0) m_Width = (100 + m_WidthFloat) * w / 100;
         else m_Width = m_WidthFloat * w / 100;
     }
-    else {
+    else
+    {
         if (m_WidthFloat < 0) m_Width = w + m_WidthFloat;
         else m_Width = m_WidthFloat;
     }
 
-    if (m_Cells) {
+    if (m_Cells)
+    {
         int l = (m_IndentLeft < 0) ? (-m_IndentLeft * m_Width / 100) : m_IndentLeft;
         int r = (m_IndentRight < 0) ? (-m_IndentRight * m_Width / 100) : m_IndentRight;
-        m_Cells -> Layout(m_Width - (l + r));
+        for (wxHtmlCell *cell = m_Cells; cell; cell = cell->GetNext())
+            cell->Layout(m_Width - (l + r));
     }
 
     /*
@@ -354,61 +305,68 @@ void wxHtmlContainerCell::Layout(int w)
     s_width = m_Width - s_indent - ((m_IndentRight < 0) ? (-m_IndentRight * m_Width / 100) : m_IndentRight);
 
     // my own layouting:
-    while (cell != NULL) {
-        switch (m_AlignVer) {
+    while (cell != NULL)
+    {
+        switch (m_AlignVer)
+        {
             case wxHTML_ALIGN_TOP :      ybasicpos = 0; break;
-            case wxHTML_ALIGN_BOTTOM :   ybasicpos = - cell -> GetHeight(); break;
-            case wxHTML_ALIGN_CENTER :   ybasicpos = - cell -> GetHeight() / 2; break;
+            case wxHTML_ALIGN_BOTTOM :   ybasicpos = - cell->GetHeight(); break;
+            case wxHTML_ALIGN_CENTER :   ybasicpos = - cell->GetHeight() / 2; break;
         }
-        ydiff = cell -> GetHeight() + ybasicpos;
+        ydiff = cell->GetHeight() + ybasicpos;
 
-        if (cell -> GetDescent() + ydiff > ysizedown) ysizedown = cell -> GetDescent() + ydiff;
-        if (ybasicpos + cell -> GetDescent() < -ysizeup) ysizeup = - (ybasicpos + cell -> GetDescent());
+        if (cell->GetDescent() + ydiff > ysizedown) ysizedown = cell->GetDescent() + ydiff;
+        if (ybasicpos + cell->GetDescent() < -ysizeup) ysizeup = - (ybasicpos + cell->GetDescent());
 
-        cell -> SetPos(xpos, ybasicpos + cell -> GetDescent());
-        xpos += cell -> GetWidth();
-        cell = cell -> GetNext();
+        cell->SetPos(xpos, ybasicpos + cell->GetDescent());
+        xpos += cell->GetWidth();
+        cell = cell->GetNext();
         xcnt++;
 
         // force new line if occured:
-        if ((cell == NULL) || (xpos + cell -> GetWidth() > s_width)) {
+        if ((cell == NULL) || (xpos + cell->GetWidth() > s_width))
+        {
             if (xpos > MaxLineWidth) MaxLineWidth = xpos;
             if (ysizeup < 0) ysizeup = 0;
             if (ysizedown < 0) ysizedown = 0;
             switch (m_AlignHor) {
-                case wxHTML_ALIGN_LEFT : 
-                case wxHTML_ALIGN_JUSTIFY : 
-                         xdelta = 0; 
+                case wxHTML_ALIGN_LEFT :
+                case wxHTML_ALIGN_JUSTIFY :
+                         xdelta = 0;
                          break;
-                case wxHTML_ALIGN_RIGHT : 
-                         xdelta = 0 + (s_width - xpos); 
+                case wxHTML_ALIGN_RIGHT :
+                         xdelta = 0 + (s_width - xpos);
                          break;
-                case wxHTML_ALIGN_CENTER : 
-                         xdelta = 0 + (s_width - xpos) / 2; 
+                case wxHTML_ALIGN_CENTER :
+                         xdelta = 0 + (s_width - xpos) / 2;
                          break;
             }
             if (xdelta < 0) xdelta = 0;
             xdelta += s_indent;
 
             ypos += ysizeup;
-            
+
             if (m_AlignHor != wxHTML_ALIGN_JUSTIFY || cell == NULL)
-                while (line != cell) {
-                    line -> SetPos(line -> GetPosX() + xdelta, 
-                                   ypos + line -> GetPosY());
-                    line = line -> GetNext();
+                while (line != cell)
+                {
+                    line->SetPos(line->GetPosX() + xdelta,
+                                   ypos + line->GetPosY());
+                    line = line->GetNext();
                 }
             else
-            { 
+            {
                 int counter = 0;
                 int step = (s_width - xpos);
                 if (step < 0) step = 0;
-                while (line != cell) {
-                    line -> SetPos(line -> GetPosX() + s_indent +
+                xcnt--;
+                if (xcnt > 0) while (line != cell)
+                {
+                    line->SetPos(line->GetPosX() + s_indent +
                                    (counter++ * step / xcnt),
-                                   ypos + line -> GetPosY());
-                    line = line -> GetNext();
+                                   ypos + line->GetPosY());
+                    line = line->GetNext();
                 }
+                xcnt++;
             }
 
             ypos += ysizedown;
@@ -421,14 +379,17 @@ void wxHtmlContainerCell::Layout(int w)
     // setup height & width, depending on container layout:
     m_Height = ypos + (ysizedown + ysizeup) + m_IndentBottom;
 
-    if (m_Height < m_MinHeight) {
-        if (m_MinHeightAlign != wxHTML_ALIGN_TOP) {
+    if (m_Height < m_MinHeight)
+    {
+        if (m_MinHeightAlign != wxHTML_ALIGN_TOP)
+        {
             int diff = m_MinHeight - m_Height;
             if (m_MinHeightAlign == wxHTML_ALIGN_CENTER) diff /= 2;
             cell = m_Cells;
-            while (cell) {
-                cell -> SetPos(cell -> GetPosX(), cell -> GetPosY() + diff);
-                cell = cell -> GetNext();
+            while (cell)
+            {
+                cell->SetPos(cell->GetPosX(), cell->GetPosY() + diff);
+                cell = cell->GetNext();
             }
         }
         m_Height = m_MinHeight;
@@ -438,8 +399,6 @@ void wxHtmlContainerCell::Layout(int w)
     if (m_Width < MaxLineWidth) m_Width = MaxLineWidth;
 
     m_LastLayout = w;
-
-    wxHtmlCell::Layout(w);
 }
 
 
@@ -449,9 +408,11 @@ void wxHtmlContainerCell::Layout(int w)
 void wxHtmlContainerCell::Draw(wxDC& dc, int x, int y, int view_y1, int view_y2)
 {
     // container visible, draw it:
-    if ((y + m_PosY < view_y2) && (y + m_PosY + m_Height > view_y1)) {
+    if ((y + m_PosY < view_y2) && (y + m_PosY + m_Height > view_y1))
+    {
 
-        if (m_UseBkColour) {
+        if (m_UseBkColour)
+        {
             wxBrush myb = wxBrush(m_BkColour, wxSOLID);
 
             int real_y1 = mMax(y + m_PosY, view_y1);
@@ -462,7 +423,8 @@ void wxHtmlContainerCell::Draw(wxDC& dc, int x, int y, int view_y1, int view_y2)
             dc.DrawRectangle(x + m_PosX, real_y1, m_Width, real_y2 - real_y1 + 1);
         }
 
-        if (m_UseBorder) {
+        if (m_UseBorder)
+        {
             wxPen mypen1(m_BorderColour1, 1, wxSOLID);
             wxPen mypen2(m_BorderColour2, 1, wxSOLID);
 
@@ -474,39 +436,44 @@ void wxHtmlContainerCell::Draw(wxDC& dc, int x, int y, int view_y1, int view_y2)
             dc.DrawLine(x + m_PosX, y + m_PosY + m_Height - 1, x + m_PosX + m_Width - 1, y + m_PosY + m_Height - 1);
         }
 
-        if (m_Cells) m_Cells -> Draw(dc, x + m_PosX, y + m_PosY, view_y1, view_y2);
+        if (m_Cells)
+        {
+            for (wxHtmlCell *cell = m_Cells; cell; cell = cell->GetNext())
+                cell->Draw(dc, x + m_PosX, y + m_PosY, view_y1, view_y2);
+        }
     }
     // container invisible, just proceed font+color changing:
-    else {
-        if (m_Cells) m_Cells -> DrawInvisible(dc, x + m_PosX, y + m_PosY);
+    else
+    {
+        if (m_Cells)
+        {
+            for (wxHtmlCell *cell = m_Cells; cell; cell = cell->GetNext())
+                cell->DrawInvisible(dc, x + m_PosX, y + m_PosY);
+        }
     }
-
-    wxHtmlCell::Draw(dc, x, y, view_y1, view_y2);
 }
 
 
 
 void wxHtmlContainerCell::DrawInvisible(wxDC& dc, int x, int y)
 {
-    if (m_Cells) m_Cells -> DrawInvisible(dc, x + m_PosX, y + m_PosY);
-    wxHtmlCell::DrawInvisible(dc, x, y);
+    if (m_Cells)
+    {
+        for (wxHtmlCell *cell = m_Cells; cell; cell = cell->GetNext())
+            cell->DrawInvisible(dc, x + m_PosX, y + m_PosY);
+    }
 }
 
 
 
 wxHtmlLinkInfo *wxHtmlContainerCell::GetLink(int x, int y) const
 {
-    wxHtmlCell *c = m_Cells;
-    int cx, cy, cw, ch;
+    wxHtmlCell *cell = FindCellByPos(x, y);
 
-    while (c) {
-        cx = c -> GetPosX(), cy = c -> GetPosY();
-        cw = c -> GetWidth(), ch = c -> GetHeight();
-        if ((x >= cx) && (x < cx + cw) && (y >= cy) && (y < cy + ch))
-            return c -> GetLink(x - cx, y - cy);
-        c = c -> GetNext();
-    }
-    return NULL;
+    // VZ: I don't know if we should pass absolute or relative coords to
+    //     wxHtmlCell::GetLink()? As the base class version just ignores them
+    //     anyhow, it hardly matters right now but should still be clarified
+    return cell ? cell->GetLink(x, y) : NULL;
 }
 
 
@@ -514,12 +481,13 @@ wxHtmlLinkInfo *wxHtmlContainerCell::GetLink(int x, int y) const
 void wxHtmlContainerCell::InsertCell(wxHtmlCell *f)
 {
     if (!m_Cells) m_Cells = m_LastCell = f;
-    else {
-        m_LastCell -> SetNext(f);
+    else
+    {
+        m_LastCell->SetNext(f);
         m_LastCell = f;
-        if (m_LastCell) while (m_LastCell -> GetNext()) m_LastCell = m_LastCell -> GetNext();
+        if (m_LastCell) while (m_LastCell->GetNext()) m_LastCell = m_LastCell->GetNext();
     }
-    f -> SetParent(this);
+    f->SetParent(this);
     m_LastLayout = -1;
 }
 
@@ -527,7 +495,8 @@ void wxHtmlContainerCell::InsertCell(wxHtmlCell *f)
 
 void wxHtmlContainerCell::SetAlign(const wxHtmlTag& tag)
 {
-    if (tag.HasParam(wxT("ALIGN"))) {
+    if (tag.HasParam(wxT("ALIGN")))
+    {
         wxString alg = tag.GetParam(wxT("ALIGN"));
         alg.MakeUpper();
         if (alg == wxT("CENTER"))
@@ -546,15 +515,18 @@ void wxHtmlContainerCell::SetAlign(const wxHtmlTag& tag)
 
 void wxHtmlContainerCell::SetWidthFloat(const wxHtmlTag& tag, double pixel_scale)
 {
-    if (tag.HasParam(wxT("WIDTH"))) {
+    if (tag.HasParam(wxT("WIDTH")))
+    {
         int wdi;
         wxString wd = tag.GetParam(wxT("WIDTH"));
 
-        if (wd[wd.Length()-1] == wxT('%')) {
+        if (wd[wd.Length()-1] == wxT('%'))
+        {
             wxSscanf(wd.c_str(), wxT("%i%%"), &wdi);
             SetWidthFloat(wdi, wxHTML_UNITS_PERCENT);
         }
-        else {
+        else
+        {
             wxSscanf(wd.c_str(), wxT("%i"), &wdi);
             SetWidthFloat((int)(pixel_scale * (double)wdi), wxHTML_UNITS_PIXELS);
         }
@@ -566,33 +538,68 @@ void wxHtmlContainerCell::SetWidthFloat(const wxHtmlTag& tag, double pixel_scale
 
 const wxHtmlCell* wxHtmlContainerCell::Find(int condition, const void* param) const
 {
-    const wxHtmlCell *r = NULL;
+    if (m_Cells)
+    {
+        const wxHtmlCell *r = NULL;
 
-    if (m_Cells) {
-        r = m_Cells -> Find(condition, param);
-        if (r) return r;
+        for (wxHtmlCell *cell = m_Cells; cell; cell = cell->GetNext())
+        {
+            r = cell->Find(condition, param);
+            if (r) return r;
+        }
     }
-
-    return wxHtmlCell::Find(condition, param);
+    return NULL;
 }
 
 
+wxHtmlCell *wxHtmlContainerCell::FindCellByPos(wxCoord x, wxCoord y) const
+{
+    for ( const wxHtmlCell *cell = m_Cells; cell; cell = cell->GetNext() )
+    {
+        int cx = cell->GetPosX(),
+            cy = cell->GetPosY();
+
+        if ( (cx <= x) && (cx + cell->GetWidth() > x) &&
+             (cy <= y) && (cy + cell->GetHeight() > y) )
+        {
+            return cell->FindCellByPos(x - cx, y - cy);
+        }
+    }
+
+    return NULL;
+}
+
 
 void wxHtmlContainerCell::OnMouseClick(wxWindow *parent, int x, int y, const wxMouseEvent& event)
 {
-    if (m_Cells) {
-        wxHtmlCell *c = m_Cells;
-        while (c) {
-            if (    (c -> GetPosX() <= x) &&
-                    (c -> GetPosY() <= y) &&
-                    (c -> GetPosX() + c -> GetWidth() > x) &&
-                    (c -> GetPosY() + c -> GetHeight() > y)) {
-                c -> OnMouseClick(parent, x - c -> GetPosX(), y - c -> GetPosY(), event);
-                break;
-            }
-            c = c -> GetNext();
-        }
+    wxHtmlCell *cell = FindCellByPos(x, y);
+    if ( cell )
+        cell->OnMouseClick(parent, x, y, event);
+}
+
+
+
+void wxHtmlContainerCell::GetHorizontalConstraints(int *left, int *right) const
+{
+    int cleft = m_PosX + m_Width, cright = m_PosX; // worst case
+    int l, r;
+
+    for (wxHtmlCell *cell = m_Cells; cell; cell = cell->GetNext())
+    {
+        cell->GetHorizontalConstraints(&l, &r);
+        if (l < cleft)
+            cleft = l;
+        if (r > cright)
+            cright = r;
     }
+
+    cleft -= (m_IndentLeft < 0) ? (-m_IndentLeft * m_Width / 100) : m_IndentLeft;
+    cright += (m_IndentRight < 0) ? (-m_IndentRight * m_Width / 100) : m_IndentRight;
+
+    if (left)
+        *left = cleft;
+    if (right)
+        *right = cright;
 }
 
 
@@ -603,26 +610,26 @@ void wxHtmlContainerCell::OnMouseClick(wxWindow *parent, int x, int y, const wxM
 // wxHtmlColourCell
 //--------------------------------------------------------------------------------
 
-void wxHtmlColourCell::Draw(wxDC& dc, int x, int y, int view_y1, int view_y2)
+void wxHtmlColourCell::Draw(wxDC& dc, int WXUNUSED(x), int WXUNUSED(y), int WXUNUSED(view_y1), int WXUNUSED(view_y2))
 {
     if (m_Flags & wxHTML_CLR_FOREGROUND)
         dc.SetTextForeground(m_Colour);
-    if (m_Flags & wxHTML_CLR_BACKGROUND) {
+    if (m_Flags & wxHTML_CLR_BACKGROUND)
+    {
         dc.SetBackground(wxBrush(m_Colour, wxSOLID));
         dc.SetTextBackground(m_Colour);
     }
-    wxHtmlCell::Draw(dc, x, y, view_y1, view_y2);
 }
 
-void wxHtmlColourCell::DrawInvisible(wxDC& dc, int x, int y)
+void wxHtmlColourCell::DrawInvisible(wxDC& dc, int WXUNUSED(x), int WXUNUSED(y))
 {
     if (m_Flags & wxHTML_CLR_FOREGROUND)
         dc.SetTextForeground(m_Colour);
-    if (m_Flags & wxHTML_CLR_BACKGROUND) {
+    if (m_Flags & wxHTML_CLR_BACKGROUND)
+    {
         dc.SetBackground(wxBrush(m_Colour, wxSOLID));
         dc.SetTextBackground(m_Colour);
     }
-    wxHtmlCell::DrawInvisible(dc, x, y);
 }
 
 
@@ -632,16 +639,14 @@ void wxHtmlColourCell::DrawInvisible(wxDC& dc, int x, int y)
 // wxHtmlFontCell
 //--------------------------------------------------------------------------------
 
-void wxHtmlFontCell::Draw(wxDC& dc, int x, int y, int view_y1, int view_y2)
+void wxHtmlFontCell::Draw(wxDC& dc, int WXUNUSED(x), int WXUNUSED(y), int WXUNUSED(view_y1), int WXUNUSED(view_y2))
 {
     dc.SetFont(m_Font);
-    wxHtmlCell::Draw(dc, x, y, view_y1, view_y2);
 }
 
-void wxHtmlFontCell::DrawInvisible(wxDC& dc, int x, int y)
+void wxHtmlFontCell::DrawInvisible(wxDC& dc, int WXUNUSED(x), int WXUNUSED(y))
 {
     dc.SetFont(m_Font);
-    wxHtmlCell::DrawInvisible(dc, x, y);
 }
 
 
@@ -659,55 +664,54 @@ wxHtmlWidgetCell::wxHtmlWidgetCell(wxWindow *wnd, int w)
 {
     int sx, sy;
     m_Wnd = wnd;
-    m_Wnd -> GetSize(&sx, &sy);
+    m_Wnd->GetSize(&sx, &sy);
     m_Width = sx, m_Height = sy;
     m_WidthFloat = w;
 }
 
 
-void wxHtmlWidgetCell::Draw(wxDC& dc, int x, int y, int view_y1, int view_y2)
+void wxHtmlWidgetCell::Draw(wxDC& WXUNUSED(dc), int WXUNUSED(x), int WXUNUSED(y), int WXUNUSED(view_y1), int WXUNUSED(view_y2))
 {
     int absx = 0, absy = 0, stx, sty;
     wxHtmlCell *c = this;
 
-    while (c) {
-        absx += c -> GetPosX();
-        absy += c -> GetPosY();
-        c = c -> GetParent();
+    while (c)
+    {
+        absx += c->GetPosX();
+        absy += c->GetPosY();
+        c = c->GetParent();
     }
 
-    ((wxScrolledWindow*)(m_Wnd -> GetParent())) -> ViewStart(&stx, &sty);
-    m_Wnd -> SetSize(absx - wxHTML_SCROLL_STEP * stx, absy  - wxHTML_SCROLL_STEP * sty, m_Width, m_Height);
-
-    wxHtmlCell::Draw(dc, x, y, view_y1, view_y2);
+    ((wxScrolledWindow*)(m_Wnd->GetParent()))->GetViewStart(&stx, &sty);
+    m_Wnd->SetSize(absx - wxHTML_SCROLL_STEP * stx, absy  - wxHTML_SCROLL_STEP * sty, m_Width, m_Height);
 }
 
 
 
-void wxHtmlWidgetCell::DrawInvisible(wxDC& dc, int x, int y)
+void wxHtmlWidgetCell::DrawInvisible(wxDC& WXUNUSED(dc), int WXUNUSED(x), int WXUNUSED(y))
 {
     int absx = 0, absy = 0, stx, sty;
     wxHtmlCell *c = this;
 
-    while (c) {
-        absx += c -> GetPosX();
-        absy += c -> GetPosY();
-        c = c -> GetParent();
+    while (c)
+    {
+        absx += c->GetPosX();
+        absy += c->GetPosY();
+        c = c->GetParent();
     }
 
-    ((wxScrolledWindow*)(m_Wnd -> GetParent())) -> ViewStart(&stx, &sty);
-    m_Wnd -> SetSize(absx - wxHTML_SCROLL_STEP * stx, absy  - wxHTML_SCROLL_STEP * sty, m_Width, m_Height);
-
-    wxHtmlCell::DrawInvisible(dc, x, y);
+    ((wxScrolledWindow*)(m_Wnd->GetParent()))->GetViewStart(&stx, &sty);
+    m_Wnd->SetSize(absx - wxHTML_SCROLL_STEP * stx, absy  - wxHTML_SCROLL_STEP * sty, m_Width, m_Height);
 }
 
 
 
 void wxHtmlWidgetCell::Layout(int w)
 {
-    if (m_WidthFloat != 0) {
+    if (m_WidthFloat != 0)
+    {
         m_Width = (w * m_WidthFloat) / 100;
-        m_Wnd -> SetSize(m_Width, m_Height);
+        m_Wnd->SetSize(m_Width, m_Height);
     }
 
     wxHtmlCell::Layout(w);