+ wxSize sz( GetSize() );
+
+ AdjustForGrowables(sz, m_calculatedMinSize, nrows, ncols);
+
+ sz = wxSize( pt.x + sz.x, pt.y + sz.y );
+
+ int x = pt.x;
+ for (int c = 0; c < ncols; c++)
+ {
+ int y = pt.y;
+ for (int r = 0; r < nrows; r++)
+ {
+ int i = r * ncols + c;
+ if (i < nitems)
+ {
+ wxSizerItemList::compatibility_iterator node = m_children.Item( i );
+
+ wxASSERT_MSG( node, _T("Failed to find node") );
+
+ int w = wxMax( 0, wxMin( m_colWidths[c], sz.x - x ) );
+ int h = wxMax( 0, wxMin( m_rowHeights[r], sz.y - y ) );
+
+ SetItemBounds( node->GetData(), x, y, w, h);
+ }
+ if (m_rowHeights[r] != -1)
+ y = y + m_rowHeights[r] + m_vgap;
+ }
+ if (m_colWidths[c] != -1)
+ x = x + m_colWidths[c] + m_hgap;
+ }
+}
+
+wxSize wxFlexGridSizer::CalcMin()
+{
+ int nrows,
+ ncols;
+ size_t i, s;
+
+ // 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
+ // 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)
+ {
+ wxSizerItem *item = node->GetData();
+ if ( item->IsShown() )
+ {
+ wxSize sz( item->CalcMin() );
+ int row = i / ncols;
+ int col = i % ncols;
+
+ m_rowHeights[ row ] = wxMax( wxMax( 0, sz.y ), m_rowHeights[ row ] );
+ m_colWidths[ col ] = wxMax( wxMax( 0, sz.x ), m_colWidths[ col ] );
+ }
+
+ node = node->GetNext();
+ i++;
+ }
+
+ 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;