Rework the wxCusor ctor taking wx stock number to provide as many cursors as

[wxWidgets.git] / src / common / sizer.cpp

diff --git a/src/common/sizer.cpp b/src/common/sizer.cpp
index 66a15254319762ba59fa1d35d1abc88041db13be..c8965d7295d0ff10480e912aa3f2450c6c940206 100644 (file)
--- a/src/common/sizer.cpp
+++ b/src/common/sizer.cpp
@@ -103,12 +103,10 @@ wxSizerItem::wxSizerItem()
     m_proportion = 0;
     m_border = 0;
     m_flag = 0;
     m_proportion = 0;
     m_border = 0;
     m_flag = 0;

-
-    m_kind = Item_None;

 }
 
 // window item
 }
 
 // window item

-void wxSizerItem::SetWindow(wxWindow *window)
+void wxSizerItem::DoSetWindow(wxWindow *window)

 {
     wxCHECK_RET( window, _T("NULL window in wxSizerItem::SetWindow()") );
 
 {
     wxCHECK_RET( window, _T("NULL window in wxSizerItem::SetWindow()") );
 


@@ -130,16 +128,17 @@ wxSizerItem::wxSizerItem(wxWindow *window,
                          int flag,
                          int border,
                          wxObject* userData)
                          int flag,
                          int border,
                          wxObject* userData)

-           : m_proportion(proportion),
+           : m_kind(Item_None),
+             m_proportion(proportion),

              m_border(border),
              m_flag(flag),
              m_userData(userData)
 {
              m_border(border),
              m_flag(flag),
              m_userData(userData)
 {

-    SetWindow(window);
+    DoSetWindow(window);

 }
 
 // sizer item
 }
 
 // sizer item

-void wxSizerItem::SetSizer(wxSizer *sizer)
+void wxSizerItem::DoSetSizer(wxSizer *sizer)

 {
     m_kind = Item_Sizer;
     m_sizer = sizer;
 {
     m_kind = Item_Sizer;
     m_sizer = sizer;


@@ -150,19 +149,21 @@ wxSizerItem::wxSizerItem(wxSizer *sizer,
                          int flag,
                          int border,
                          wxObject* userData)
                          int flag,
                          int border,
                          wxObject* userData)

-           : m_proportion(proportion),
+           : m_kind(Item_None),
+             m_sizer(NULL),
+             m_proportion(proportion),

              m_border(border),
              m_flag(flag),
              m_ratio(0.0),
              m_userData(userData)
 {
              m_border(border),
              m_flag(flag),
              m_ratio(0.0),
              m_userData(userData)
 {

-    SetSizer(sizer);
+    DoSetSizer(sizer);

 
     // m_minSize is set later
 }
 
 // spacer item
 
     // m_minSize is set later
 }
 
 // spacer item

-void wxSizerItem::SetSpacer(const wxSize& size)
+void wxSizerItem::DoSetSpacer(const wxSize& size)

 {
     m_kind = Item_Spacer;
     m_spacer = new wxSizerSpacer(size);
 {
     m_kind = Item_Spacer;
     m_spacer = new wxSizerSpacer(size);


@@ -176,19 +177,25 @@ wxSizerItem::wxSizerItem(int width,
                          int flag,
                          int border,
                          wxObject* userData)
                          int flag,
                          int border,
                          wxObject* userData)

-           : m_minSize(width, height), // minimal size is the initial size
+           : m_kind(Item_None),
+             m_sizer(NULL),
+             m_minSize(width, height), // minimal size is the initial size

              m_proportion(proportion),
              m_border(border),
              m_flag(flag),
              m_userData(userData)
 {
              m_proportion(proportion),
              m_border(border),
              m_flag(flag),
              m_userData(userData)
 {

-    SetSpacer(width, height);
+    DoSetSpacer(wxSize(width, height));

 }
 
 wxSizerItem::~wxSizerItem()
 {
     delete m_userData;
 }
 
 wxSizerItem::~wxSizerItem()
 {
     delete m_userData;

+    Free();
+}

 
 

+void wxSizerItem::Free()
+{

     switch ( m_kind )
     {
         case Item_None:
     switch ( m_kind )
     {
         case Item_None:


@@ -210,6 +217,8 @@ wxSizerItem::~wxSizerItem()
         default:
             wxFAIL_MSG( _T("unexpected wxSizerItem::m_kind") );
     }
         default:
             wxFAIL_MSG( _T("unexpected wxSizerItem::m_kind") );
     }

+
+    m_kind = Item_None;

 }
 
 wxSize wxSizerItem::GetSpacer() const
 }
 
 wxSize wxSizerItem::GetSpacer() const


@@ -578,13 +587,9 @@ bool wxSizer::Remove( int index )
 
     wxCHECK_MSG( node, false, _T("Failed to find child node") );
 
 
     wxCHECK_MSG( node, false, _T("Failed to find child node") );
 

-    wxSizerItem *item = node->GetData();
-
-    if ( item->IsWindow() )
-        item->GetWindow()->SetContainingSizer( NULL );
-
-    delete item;
+    delete node->GetData();

     m_children.Erase( node );
     m_children.Erase( node );

+

     return true;
 }
 
     return true;
 }
 


@@ -621,7 +626,6 @@ bool wxSizer::Detach( wxWindow *window )
 
         if (item->GetWindow() == window)
         {
 
         if (item->GetWindow() == window)
         {

-            item->GetWindow()->SetContainingSizer( NULL );

             delete item;
             m_children.Erase( node );
             return true;
             delete item;
             m_children.Erase( node );
             return true;


@@ -646,8 +650,6 @@ bool wxSizer::Detach( int index )
 
     if ( item->IsSizer() )
         item->DetachSizer();
 
     if ( item->IsSizer() )
         item->DetachSizer();

-    else if ( item->IsWindow() )
-        item->GetWindow()->SetContainingSizer( NULL );

 
     delete item;
     m_children.Erase( node );
 
     delete item;
     m_children.Erase( node );


@@ -666,8 +668,7 @@ bool wxSizer::Replace( wxWindow *oldwin, wxWindow *newwin, bool recursive )
 
         if (item->GetWindow() == oldwin)
         {
 
         if (item->GetWindow() == oldwin)
         {

-            item->GetWindow()->SetContainingSizer( NULL );
-            item->SetWindow(newwin);
+            item->AssignWindow(newwin);

             newwin->SetContainingSizer( this );
             return true;
         }
             newwin->SetContainingSizer( this );
             return true;
         }


@@ -695,9 +696,7 @@ bool wxSizer::Replace( wxSizer *oldsz, wxSizer *newsz, bool recursive )
 
         if (item->GetSizer() == oldsz)
         {
 
         if (item->GetSizer() == oldsz)
         {

-            wxSizer *old = item->GetSizer();
-            item->SetSizer(newsz);
-            delete old;
+            item->AssignSizer(newsz);

             return true;
         }
         else if (recursive && item->IsSizer())
             return true;
         }
         else if (recursive && item->IsSizer())


@@ -1347,101 +1346,126 @@ void wxFlexGridSizer::RecalcSizes()
     if ( (nitems = CalcRowsCols(nrows, ncols)) == 0 )
         return;
 
     if ( (nitems = CalcRowsCols(nrows, ncols)) == 0 )
         return;
 

-    wxPoint pt( GetPosition() );
-    wxSize sz( GetSize() );
+    const wxPoint pt(GetPosition());
+    const wxSize sz(GetSize());

 
 

-    AdjustForGrowables(sz, m_calculatedMinSize, nrows, ncols);
+    AdjustForGrowables(sz);

 
 

-    sz = wxSize( pt.x + sz.x, pt.y + sz.y );
+    wxSizerItemList::const_iterator i = m_children.begin();
+    const wxSizerItemList::const_iterator end = m_children.end();

 
 

-    int x = pt.x;
-    for (int c = 0; c < ncols; c++)
+    int y = 0;
+    for ( int r = 0; r < nrows; r++ )

     {
     {

-        int y = pt.y;
-        for (int r = 0; r < nrows; r++)
+        if ( m_rowHeights[r] == -1 )

         {
         {

-            int i = r * ncols + c;
-            if (i < nitems)
+            // this row is entirely hidden, skip it
+            for ( int c = 0; c < ncols; c++ )

             {
             {

-                wxSizerItemList::compatibility_iterator node = m_children.Item( i );
+                if ( i == end )
+                    return;

 
 

-                wxASSERT_MSG( node, _T("Failed to find node") );
+                ++i;
+            }

 
 

-                int w = wxMax( 0, wxMin( m_colWidths[c], sz.x - x ) );
-                int h = wxMax( 0, wxMin( m_rowHeights[r], sz.y - y ) );
+            continue;
+        }

 
 

-                SetItemBounds( node->GetData(), x, y, w, h);
-            }
-            if (m_rowHeights[r] != -1)
-                y = y + m_rowHeights[r] + m_vgap;
+        const int hrow = m_rowHeights[r];
+        int h = sz.y - y; // max remaining height, don't overflow it
+        if ( hrow < h )
+            h = hrow;
+
+        int x = 0;
+        for ( int c = 0; c < ncols && i != end; c++, ++i )
+        {
+            const int wcol = m_colWidths[c];
+
+            if ( wcol == -1 )
+                continue;
+
+            int w = sz.x - x; // max possible value, ensure we don't overflow
+            if ( wcol < w )
+                w = wcol;
+
+            SetItemBounds(*i, pt.x + x, pt.y + y, w, h);
+
+            x += wcol + m_hgap;

         }
         }

-        if (m_colWidths[c] != -1)
-            x = x + m_colWidths[c] + m_hgap;
+
+        if ( i == end )
+            return;
+
+        y += hrow + m_vgap;

     }
 }
 
     }
 }
 

+// helper function used in CalcMin() to sum up the sizes of non-hidden items
+static int SumArraySizes(const wxArrayInt& sizes, int gap)
+{
+    // Sum total minimum size, including gaps between rows/columns.
+    // -1 is used as a magic number meaning empty row/column.
+    int total = 0;
+
+    const size_t count = sizes.size();
+    for ( size_t n = 0; n < count; n++ )
+    {
+        if ( sizes[n] != -1 )
+        {
+            if ( total )
+                total += gap; // separate from the previous column
+
+            total += sizes[n];
+        }
+    }
+
+    return total;
+}
+

 wxSize wxFlexGridSizer::CalcMin()
 {
 wxSize wxFlexGridSizer::CalcMin()
 {

-    int     nrows,
-            ncols;
-    size_t  i, s;
+    int nrows,
+        ncols;

 
     // Number of rows/columns can change as items are added or removed.
     if ( !CalcRowsCols(nrows, ncols) )
         return wxSize();
 
 
     // Number of rows/columns can change as items are added or removed.
     if ( !CalcRowsCols(nrows, ncols) )
         return wxSize();
 

-    m_rowHeights.SetCount(nrows);
-    m_colWidths.SetCount(ncols);

 
 

-    // We have to recalcuate the sizes in case the item minimum size has
+    // We have to recalculate the sizes in case the item minimum size has

     // changed since the previous layout, or the item has been hidden using
     // wxSizer::Show(). If all the items in a row/column are hidden, the final
     // dimension of the row/column will be -1, indicating that the column
     // itself is hidden.
     // changed since the previous layout, or the item has been hidden using
     // wxSizer::Show(). If all the items in a row/column are hidden, the final
     // dimension of the row/column will be -1, indicating that the column
     // itself is hidden.

-    for( s = m_rowHeights.GetCount(), i = 0; i < s; ++i )
-        m_rowHeights[ i ] = -1;
-    for( s = m_colWidths.GetCount(), i = 0; i < s; ++i )
-        m_colWidths[ i ] = -1;
-
-    wxSizerItemList::compatibility_iterator node = m_children.GetFirst();
-
-    i = 0;
-    while (node)
+    m_rowHeights.assign(nrows, -1);
+    m_colWidths.assign(ncols, -1);
+
+    // n is the index of the item in left-to-right top-to-bottom order
+    size_t n = 0;
+    for ( wxSizerItemList::iterator i = m_children.begin();
+          i != m_children.end();
+          ++i, ++n )

     {
     {

-        wxSizerItem    *item = node->GetData();
+        wxSizerItem * const item = *i;

         if ( item->IsShown() )
         {
         if ( item->IsShown() )
         {

-            wxSize sz( item->CalcMin() );
-            int row = i / ncols;
-            int col = i % ncols;
+            const wxSize sz(item->CalcMin());

 
 

-            m_rowHeights[ row ] = wxMax( wxMax( 0, sz.y ), m_rowHeights[ row ] );
-            m_colWidths[ col ] = wxMax( wxMax( 0, sz.x ), m_colWidths[ col ] );
-        }
+            const int row = n / ncols;
+            const int col = n % ncols;

 
 

-        node = node->GetNext();
-        i++;
+            if ( sz.y > m_rowHeights[row] )
+                m_rowHeights[row] = sz.y;
+            if ( sz.x > m_colWidths[col] )
+                m_colWidths[col] = sz.x;
+        }

     }
 
     AdjustForFlexDirection();
 
     }
 
     AdjustForFlexDirection();
 

-    // Sum total minimum size, including gaps between rows/columns.
-    // -1 is used as a magic number meaning empty column.
-    int width = 0;
-    for (int col = 0; col < ncols; col++)
-        if ( m_colWidths[ col ] != -1 )
-            width += m_colWidths[ col ] + m_hgap;
-    if (width > 0)
-        width -= m_hgap;
-
-    int height = 0;
-    for (int row = 0; row < nrows; row++)
-        if ( m_rowHeights[ row ] != -1 )
-            height += m_rowHeights[ row ] + m_vgap;
-    if (height > 0)
-        height -= m_vgap;
-
-    m_calculatedMinSize = wxSize( width, height );
+    m_calculatedMinSize = wxSize(SumArraySizes(m_colWidths, m_hgap),
+                                 SumArraySizes(m_rowHeights, m_vgap));
+

     return m_calculatedMinSize;
 }
 
     return m_calculatedMinSize;
 }
 


@@ -1471,116 +1495,117 @@ void wxFlexGridSizer::AdjustForFlexDirection()
         // and now fill it with the largest value
         for ( n = 0; n < count; ++n )
         {
         // and now fill it with the largest value
         for ( n = 0; n < count; ++n )
         {

-            array[n] = largest;
+            // don't touch hidden rows
+            if ( array[n] != -1 )
+                array[n] = largest;

         }
     }
 }
 
         }
     }
 }
 

-
-void wxFlexGridSizer::AdjustForGrowables(const wxSize& sz, const wxSize& minsz,
-                                         int nrows, int ncols)
+// helper of AdjustForGrowables() which is called for rows/columns separately
+//
+// parameters:
+//      delta: the extra space, we do nothing unless it's positive
+//      growable: indices or growable rows/cols in sizes array
+//      sizes: the height/widths of rows/cols to adjust
+//      proportions: proportions of the growable rows/cols or NULL if they all
+//                   should be assumed to have proportion of 1
+static void
+DoAdjustForGrowables(int delta,
+                     const wxArrayInt& growable,
+                     wxArrayInt& sizes,
+                     const wxArrayInt *proportions)

 {
 {

-    // what to do with the rows? by default, resize them proportionally
-    if ( sz.y > minsz.y && ( (m_flexDirection & wxVERTICAL) || (m_growMode == wxFLEX_GROWMODE_SPECIFIED) ) )
-    {
-        int sum_proportions = 0;
-        int growable_space = 0;
-        int num = 0;
-        size_t idx;
-        for (idx = 0; idx < m_growableRows.GetCount(); idx++)
-        {
-            // Since the number of rows/columns can change as items are
-            // inserted/deleted, we need to verify at runtime that the
-            // requested growable rows/columns are still valid.
-            if (m_growableRows[idx] >= nrows)
-                continue;
+    if ( delta <= 0 )
+        return;

 
 

-            // If all items in a row/column are hidden, that row/column will
-            // have a dimension of -1.  This causes the row/column to be
-            // hidden completely.
-            if (m_rowHeights[ m_growableRows[idx] ] == -1)
-                continue;
-            sum_proportions += m_growableRowsProportions[idx];
-            growable_space += m_rowHeights[ m_growableRows[idx] ];
-            num++;
-        }
+    // total sum of proportions of all non-hidden rows
+    int sum_proportions = 0;

 
 

-        if (num > 0)
-        {
-            for (idx = 0; idx < m_growableRows.GetCount(); idx++)
-            {
-                if (m_growableRows[idx] >= nrows )
-                    continue;
-                if (m_rowHeights[ m_growableRows[idx] ] == -1)
-                    m_rowHeights[ m_growableRows[idx] ] = 0;
-                else
-                {
-                    int delta = (sz.y - minsz.y);
-                    if (sum_proportions == 0)
-                        delta = (delta/num) + m_rowHeights[ m_growableRows[idx] ];
-                    else
-                        delta = ((delta+growable_space)*m_growableRowsProportions[idx]) / sum_proportions;
-                    m_rowHeights[ m_growableRows[idx] ] = delta;
-                }
-            }
-        }
-    }
-    else if ( (m_growMode == wxFLEX_GROWMODE_ALL) && (sz.y > minsz.y) )
+    // number of currently shown growable rows
+    int num = 0;
+
+    const int max_idx = sizes.size();
+
+    const size_t count = growable.size();
+    size_t idx;
+    for ( idx = 0; idx < count; idx++ )

     {
     {

-        // rounding problem?
-        for ( int row = 0; row < nrows; ++row )
-            m_rowHeights[ row ] = sz.y / nrows;
+        // Since the number of rows/columns can change as items are
+        // inserted/deleted, we need to verify at runtime that the
+        // requested growable rows/columns are still valid.
+        if ( growable[idx] >= max_idx )
+            continue;
+
+        // If all items in a row/column are hidden, that row/column will
+        // have a dimension of -1.  This causes the row/column to be
+        // hidden completely.
+        if ( sizes[growable[idx]] == -1 )
+            continue;
+
+        if ( proportions )
+            sum_proportions += (*proportions)[idx];
+
+        num++;

     }
 
     }
 

-    // the same logic as above but for the columns
-    if ( sz.x > minsz.x && ( (m_flexDirection & wxHORIZONTAL) || (m_growMode == wxFLEX_GROWMODE_SPECIFIED) ) )
+    if ( !num )
+        return;
+
+    // the remaining extra free space, adjusted during each iteration
+    for ( idx = 0; idx < count; idx++ )

     {
     {

-        int sum_proportions = 0;
-        int growable_space = 0;
-        int num = 0;
-        size_t idx;
-        for (idx = 0; idx < m_growableCols.GetCount(); idx++)
-        {
-            // Since the number of rows/columns can change as items are
-            // inserted/deleted, we need to verify at runtime that the
-            // requested growable rows/columns are still valid.
-            if (m_growableCols[idx] >= ncols)
-                continue;
+        if ( growable[idx] >= max_idx )
+            continue;

 
 

-            // If all items in a row/column are hidden, that row/column will
-            // have a dimension of -1.  This causes the column to be hidden
-            // completely.
-            if (m_colWidths[ m_growableCols[idx] ] == -1)
-                continue;
-            sum_proportions += m_growableColsProportions[idx];
-            growable_space += m_colWidths[ m_growableCols[idx] ];
-            num++;
-        }
+        if ( sizes[ growable[idx] ] == -1 )
+            continue;

 
 

-        if (num > 0)
+        int cur_delta;
+        if ( sum_proportions == 0 )

         {
         {

-            for (idx = 0; idx < m_growableCols.GetCount(); idx++)
-            {
-                if (m_growableCols[idx] >= ncols )
-                    continue;
-                if (m_colWidths[ m_growableCols[idx] ] == -1)
-                    m_colWidths[ m_growableCols[idx] ] = 0;
-                else
-                {
-                    int delta = (sz.x - minsz.x);
-                    if (sum_proportions == 0)
-                        delta = (delta/num) + m_colWidths[ m_growableCols[idx] ];
-                    else
-                        delta = ((delta+growable_space)*m_growableColsProportions[idx])/sum_proportions;
-                    m_colWidths[ m_growableCols[idx] ] = delta;
-                }
-            }
+            // no growable rows -- divide extra space evenly among all
+            cur_delta = delta/num;
+            num--;
+        }
+        else // allocate extra space proportionally
+        {
+            const int cur_prop = (*proportions)[idx];
+            cur_delta = (delta*cur_prop)/sum_proportions;
+            sum_proportions -= cur_prop;

         }
         }

+
+        sizes[growable[idx]] += cur_delta;
+        delta -= cur_delta;

     }
     }

-    else if ( (m_growMode == wxFLEX_GROWMODE_ALL) && (sz.x > minsz.x) )
+}
+
+void wxFlexGridSizer::AdjustForGrowables(const wxSize& sz)
+{
+    if ( (m_flexDirection & wxVERTICAL) || (m_growMode != wxFLEX_GROWMODE_NONE) )

     {
     {

-        for ( int col=0; col < ncols; ++col )
-            m_colWidths[ col ] = sz.x / ncols;
+        // pass NULL instead of proportions if the grow mode is ALL as we
+        // should treat all rows as having proportion of 1 then
+        DoAdjustForGrowables
+        (
+            sz.y - m_calculatedMinSize.y,
+            m_growableRows,
+            m_rowHeights,
+            m_growMode == wxFLEX_GROWMODE_SPECIFIED ? &m_growableRowsProportions
+                                                    : NULL
+        );
+    }
+
+    if ( (m_flexDirection & wxHORIZONTAL) || (m_growMode != wxFLEX_GROWMODE_NONE) )
+    {
+        DoAdjustForGrowables
+        (
+            sz.x - m_calculatedMinSize.x,
+            m_growableCols,
+            m_colWidths,
+            m_growMode == wxFLEX_GROWMODE_SPECIFIED ? &m_growableColsProportions
+                                                    : NULL
+        );

     }
 }
 
     }
 }
 


@@ -1629,204 +1654,111 @@ void wxFlexGridSizer::RemoveGrowableRow( size_t idx )
 // wxBoxSizer
 //---------------------------------------------------------------------------
 
 // wxBoxSizer
 //---------------------------------------------------------------------------
 

-wxBoxSizer::wxBoxSizer( int orient )
-    : m_orient( orient )
-{
-}
-

 void wxBoxSizer::RecalcSizes()
 {
 void wxBoxSizer::RecalcSizes()
 {

-    if (m_children.GetCount() == 0)
+    if ( m_children.empty() )

         return;
 
         return;
 

-    int delta = 0;
-    if (m_stretchable)
-    {
-        if (m_orient == wxHORIZONTAL)
-            delta = m_size.x - m_fixedWidth;
-        else
-            delta = m_size.y - m_fixedHeight;
-    }
+    // the amount of free space which we should redistribute among the
+    // stretchable items (i.e. those with non zero proportion)
+    int delta = SizeInMajorDir(m_size) - SizeInMajorDir(m_minSize);

 
 

-    wxPoint pt( m_position );
+    // the position at which we put the next child
+    wxPoint pt(m_position);

 
 

-    wxSizerItemList::compatibility_iterator node = m_children.GetFirst();
-    while (node)
+    const wxCoord totalMinorSize = SizeInMinorDir(m_size);
+
+    int totalProportion = m_totalProportion;
+    for ( wxSizerItemList::const_iterator i = m_children.begin();
+          i != m_children.end();
+          ++i )

     {
     {

-        wxSizerItem     *item = node->GetData();
+        wxSizerItem * const item = *i;

 
 

-        if (item->IsShown())
-        {
-            wxSize size( item->GetMinSizeWithBorder() );
+        if ( !item->IsShown() )
+            continue;

 
 

-            if (m_orient == wxVERTICAL)
-            {
-                wxCoord height = size.y;
-                if (item->GetProportion())
-                {
-                    // Because of at least one visible item has non-zero
-                    // proportion then m_stretchable is not zero
-                    height = (delta * item->GetProportion()) / m_stretchable;
-                }
+        const wxSize sizeThis(item->GetMinSizeWithBorder());

 
 

-                wxPoint child_pos( pt );
-                wxSize  child_size( size.x, height );

 
 

-                if (item->GetFlag() & (wxEXPAND | wxSHAPED))
-                    child_size.x = m_size.x;
-                else if (item->GetFlag() & wxALIGN_RIGHT)
-                    child_pos.x += m_size.x - size.x;
-                else if (item->GetFlag() & (wxCENTER | wxALIGN_CENTER_HORIZONTAL))
-                // XXX wxCENTER is added for backward compatibility;
-                //     wxALIGN_CENTER should be used in new code
-                    child_pos.x += (m_size.x - size.x) / 2;
+        // adjust the size in the major direction using the proportion
+        wxCoord majorSize = SizeInMajorDir(sizeThis);
+        const int propItem = item->GetProportion();
+        if ( propItem )
+        {
+            const int deltaItem = (delta * propItem) / totalProportion;

 
 

-                item->SetDimension( child_pos, child_size );
+            majorSize += deltaItem;

 
 

-                pt.y += height;
-            }
-            else
-            {
-                wxCoord width = size.x;
-                if (item->GetProportion())
-                {
-                    // Because of at least one visible item has non-zero
-                    // proportion then m_stretchable is not zero
-                    width = (delta * item->GetProportion()) / m_stretchable;
-                }
+            delta -= deltaItem;
+            totalProportion -= propItem;
+        }

 
 

-                wxPoint child_pos( pt );
-                wxSize  child_size( width, size.y );

 
 

-                if (item->GetFlag() & (wxEXPAND | wxSHAPED))
-                    child_size.y = m_size.y;
-                else if (item->GetFlag() & wxALIGN_BOTTOM)
-                    child_pos.y += m_size.y - size.y;
-                else if (item->GetFlag() & (wxCENTER | wxALIGN_CENTER_VERTICAL))
-                // XXX wxCENTER is added for backward compatibility;
-                //     wxALIGN_CENTER should be used in new code
-                    child_pos.y += (m_size.y - size.y) / 2;
+        // apply the alignment in the minor direction
+        wxPoint posChild(pt);

 
 

-                if ( m_containingWindow )
-                {
-                    child_pos.x = m_containingWindow->AdjustForLayoutDirection
-                                                      (
-                                                        child_pos.x,
-                                                        width,
-                                                        m_size.x
-                                                      );
-                }
+        wxCoord minorSize = SizeInMinorDir(sizeThis);
+        const int flag = item->GetFlag();
+        if ( flag & (wxEXPAND | wxSHAPED) )
+        {
+            minorSize = totalMinorSize;
+        }
+        else if ( flag & (IsVertical() ? wxALIGN_RIGHT : wxALIGN_BOTTOM) )
+        {
+            PosInMinorDir(posChild) += totalMinorSize - minorSize;
+        }
+        // NB: wxCENTRE is used here only for backwards compatibility,
+        //     wxALIGN_CENTRE should be used in new code
+        else if ( flag & (wxCENTER | wxALIGN_CENTRE) )
+        {
+            PosInMinorDir(posChild) += (totalMinorSize - minorSize) / 2;
+        }

 
 

-                item->SetDimension( child_pos, child_size );

 
 

-                pt.x += width;
-            }
+        // apply RTL adjustment for horizontal sizers:
+        if ( !IsVertical() && m_containingWindow )
+        {
+            posChild.x = m_containingWindow->AdjustForLayoutDirection
+                                             (
+                                                posChild.x,
+                                                majorSize,
+                                                m_size.x
+                                             );

         }
 
         }
 

-        node = node->GetNext();
+        // finally set size of this child and advance to the next one
+        item->SetDimension(posChild, SizeFromMajorMinor(majorSize, minorSize));
+
+        PosInMajorDir(pt) += majorSize;

     }
 }
 
 wxSize wxBoxSizer::CalcMin()
 {
     }
 }
 
 wxSize wxBoxSizer::CalcMin()
 {

-    if (m_children.GetCount() == 0)
-        return wxSize();
-
-    m_stretchable = 0;
-    m_minWidth = 0;
-    m_minHeight = 0;
-    m_fixedWidth = 0;
-    m_fixedHeight = 0;
+    m_totalProportion = 0;
+    m_minSize = wxSize(0, 0);

 
 

-    // precalc item minsizes and count proportions
-    wxSizerItemList::compatibility_iterator node = m_children.GetFirst();
-    while (node)
+    // calculate the minimal sizes for all items and count sum of proportions
+    for ( wxSizerItemList::const_iterator i = m_children.begin();
+          i != m_children.end();
+          ++i )

     {
     {

-        wxSizerItem *item = node->GetData();
+        wxSizerItem * const item = *i;

 
 

-        if ( item->IsShown() )
-        {
-            item->CalcMin();  // result is stored in the item
-
-            m_stretchable += item->GetProportion();
-        }
+        if ( !item->IsShown() )
+            continue;

 
 

-        node = node->GetNext();
-    }
+        const wxSize sizeMinThis = item->CalcMin();

 
 

-    // Total minimum size (width or height) of sizer
-    int maxMinSize = 0;
-
-    node = m_children.GetFirst();
-    while (node)
-    {
-        wxSizerItem *item = node->GetData();
+        SizeInMajorDir(m_minSize) += SizeInMajorDir(sizeMinThis);
+        if ( SizeInMinorDir(sizeMinThis) > SizeInMinorDir(m_minSize) )
+            SizeInMinorDir(m_minSize) = SizeInMinorDir(sizeMinThis);

 
 

-        if (item->IsShown() && item->GetProportion() != 0)
-        {
-            int stretch = item->GetProportion();
-            wxSize size( item->GetMinSizeWithBorder() );
-            int minSize;
-
-            // Integer division rounded up is (a + b - 1) / b
-            // Round up needed in order to guarantee that all
-            // all items will have size not less then their min size
-            if (m_orient == wxHORIZONTAL)
-                minSize = ( size.x*m_stretchable + stretch - 1)/stretch;
-            else
-                minSize = ( size.y*m_stretchable + stretch - 1)/stretch;
-
-            if (minSize > maxMinSize)
-                maxMinSize = minSize;
-        }
-        node = node->GetNext();
+        m_totalProportion += item->GetProportion();

     }
 
     }
 

-    // Calculate overall minimum size
-    node = m_children.GetFirst();
-    while (node)
-    {
-        wxSizerItem *item = node->GetData();
-
-        if (item->IsShown())
-        {
-            wxSize size( item->GetMinSizeWithBorder() );
-            if (item->GetProportion() != 0)
-            {
-                if (m_orient == wxHORIZONTAL)
-                    size.x = (maxMinSize*item->GetProportion())/m_stretchable;
-                else
-                    size.y = (maxMinSize*item->GetProportion())/m_stretchable;
-            }
-            else
-            {
-                if (m_orient == wxVERTICAL)
-                {
-                    m_fixedHeight += size.y;
-                    m_fixedWidth = wxMax( m_fixedWidth, size.x );
-                }
-                else
-                {
-                    m_fixedWidth += size.x;
-                    m_fixedHeight = wxMax( m_fixedHeight, size.y );
-                }
-            }
-
-            if (m_orient == wxHORIZONTAL)
-            {
-                m_minWidth += size.x;
-                m_minHeight = wxMax( m_minHeight, size.y );
-            }
-            else
-            {
-                m_minHeight += size.y;
-                m_minWidth = wxMax( m_minWidth, size.x );
-            }
-        }
-        node = node->GetNext();
-    }
-
-    return wxSize( m_minWidth, m_minHeight );
+    return m_minSize;

 }
 
 //---------------------------------------------------------------------------
 }
 
 //---------------------------------------------------------------------------


@@ -1963,6 +1895,7 @@ void wxStdDialogButtonSizer::AddButton(wxButton *mybutton)
             m_buttonNegative = mybutton;
             break;
         case wxID_CANCEL:
             m_buttonNegative = mybutton;
             break;
         case wxID_CANCEL:

+        case wxID_CLOSE:

             m_buttonCancel = mybutton;
             break;
         case wxID_HELP:
             m_buttonCancel = mybutton;
             break;
         case wxID_HELP:


@@ -2041,15 +1974,17 @@ void wxStdDialogButtonSizer::Realize()
             Add((wxWindow*)m_buttonNegative, 0, wxALIGN_CENTRE | wxLEFT | wxRIGHT, 3);
         }
 
             Add((wxWindow*)m_buttonNegative, 0, wxALIGN_CENTRE | wxLEFT | wxRIGHT, 3);
         }
 

+        // according to HIG, in explicit apply windows the order is: 
+        // [ Help                     Apply   Cancel   OK ]
+        if (m_buttonApply)
+            Add((wxWindow*)m_buttonApply, 0, wxALIGN_CENTRE | wxLEFT | wxRIGHT, 3);
+

         if (m_buttonCancel){
             Add((wxWindow*)m_buttonCancel, 0, wxALIGN_CENTRE | wxLEFT | wxRIGHT, 3);
             // Cancel or help should be default
             // m_buttonCancel->SetDefaultButton();
         }
 
         if (m_buttonCancel){
             Add((wxWindow*)m_buttonCancel, 0, wxALIGN_CENTRE | wxLEFT | wxRIGHT, 3);
             // Cancel or help should be default
             // m_buttonCancel->SetDefaultButton();
         }
 

-        if (m_buttonApply)
-            Add((wxWindow*)m_buttonApply, 0, wxALIGN_CENTRE | wxLEFT | wxRIGHT, 3);
-

         if (m_buttonAffirmative)
             Add((wxWindow*)m_buttonAffirmative, 0, wxALIGN_CENTRE | wxLEFT, 6);
 #elif defined(__WXMSW__)
         if (m_buttonAffirmative)
             Add((wxWindow*)m_buttonAffirmative, 0, wxALIGN_CENTRE | wxLEFT, 6);
 #elif defined(__WXMSW__)