+ // 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 ] + ( col == ncols-1 ? 0 : m_hgap );
+
+ int height = 0;
+ for (int row = 0; row < nrows; row++)
+ if ( m_rowHeights[ row ] != -1 )
+ height += m_rowHeights[ row ] + ( row == nrows-1 ? 0 : m_vgap );
+
+ return wxSize( width, height );
+}
+
+void wxFlexGridSizer::AdjustForFlexDirection()
+{
+ // the logic in CalcMin works when we resize flexibly in both directions
+ // but maybe this is not the case
+ if ( m_flexDirection != wxBOTH )
+ {
+ // select the array corresponding to the direction in which we do *not*
+ // resize flexibly
+ wxArrayInt& array = m_flexDirection == wxVERTICAL ? m_colWidths
+ : m_rowHeights;
+
+ const int count = array.GetCount();
+
+ // find the largest value in this array
+ int n, largest = 0;
+ for ( n = 0; n < count; ++n )
+ {
+ if ( array[n] > largest )
+ largest = array[n];
+ }
+
+ // and now fill it with the largest value
+ for ( n = 0; n < count; ++n )
+ {
+ array[n] = largest;
+ }
+ }
+}
+
+
+void wxFlexGridSizer::AdjustForGrowables(const wxSize& sz, const wxSize& minsz,
+ int nrows, int ncols)
+{
+ // 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 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++;
+ }
+
+ 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) )
+ {
+ // rounding problem?
+ for ( int row = 0; row < nrows; ++row )
+ m_rowHeights[ row ] = sz.y / nrows;
+ }
+
+ // the same logic as above but for the columns
+ if ( sz.x > minsz.x && ( (m_flexDirection & wxHORIZONTAL) || (m_growMode == wxFLEX_GROWMODE_SPECIFIED) ) )
+ {
+ 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 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 (num > 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;
+ }
+ }
+ }
+ }
+ else if ( (m_growMode == wxFLEX_GROWMODE_ALL) && (sz.x > minsz.x) )
+ {
+ for ( int col=0; col < ncols; ++col )
+ m_colWidths[ col ] = sz.x / ncols;
+ }
+}
+
+
+void wxFlexGridSizer::AddGrowableRow( size_t idx, int proportion )
+{
+ m_growableRows.Add( idx );
+ m_growableRowsProportions.Add( proportion );
+}
+
+void wxFlexGridSizer::RemoveGrowableRow( size_t idx )
+{
+ m_growableRows.Remove( idx );
+}
+
+void wxFlexGridSizer::AddGrowableCol( size_t idx, int proportion )
+{
+ m_growableCols.Add( idx );
+ m_growableColsProportions.Add( proportion );
+}
+
+void wxFlexGridSizer::RemoveGrowableCol( size_t idx )
+{
+ m_growableCols.Remove( idx );
+}
+
+//---------------------------------------------------------------------------
+// wxBoxSizer
+//---------------------------------------------------------------------------
+
+wxBoxSizer::wxBoxSizer( int orient )
+ : m_orient( orient )
+{
+}
+
+void wxBoxSizer::RecalcSizes()
+{
+ if (m_children.GetCount() == 0)
+ return;
+
+ int delta = 0;
+ if (m_stretchable)
+ {
+ if (m_orient == wxHORIZONTAL)
+ delta = m_size.x - m_fixedWidth;
+ else
+ delta = m_size.y - m_fixedHeight;
+ }
+
+ wxPoint pt( m_position );
+
+ wxSizerItemList::compatibility_iterator node = m_children.GetFirst();
+ while (node)
+ {
+ wxSizerItem *item = node->GetData();
+
+ if (item->IsShown())
+ {
+ wxSize size( item->CalcMin() );
+
+ 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;
+ }
+
+ wxPoint child_pos( pt );
+ wxSize child_size( wxSize( 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;
+
+ item->SetDimension( child_pos, child_size );
+
+ 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;
+ }
+
+ wxPoint child_pos( pt );
+ wxSize child_size( wxSize(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;
+
+ item->SetDimension( child_pos, child_size );
+
+ pt.x += width;
+ }
+ }
+
+ node = node->GetNext();
+ }
+}
+
+wxSize wxBoxSizer::CalcMin()
+{
+ if (m_children.GetCount() == 0)
+ return wxSize(10,10);
+
+ m_stretchable = 0;
+ m_minWidth = 0;
+ m_minHeight = 0;
+ m_fixedWidth = 0;
+ m_fixedHeight = 0;
+
+ wxSizerItemList::compatibility_iterator node = m_children.GetFirst();
+ while (node)
+ {
+ wxSizerItem *item = node->GetData();
+
+ if (item->IsShown() && item->GetProportion() != 0)
+ m_stretchable += item->GetProportion();
+
+ node = node->GetNext();
+ }
+
+ // Total minimum size (width or height) of sizer
+ int maxMinSize = 0;
+
+ node = m_children.GetFirst();
+ while (node)
+ {
+ wxSizerItem *item = node->GetData();
+
+ if (item->IsShown() && item->GetProportion() != 0)
+ {
+ int stretch = item->GetProportion();
+ wxSize size( item->CalcMin() );
+ 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();
+ }
+
+ // Calculate overall minimum size
+ node = m_children.GetFirst();
+ while (node)
+ {
+ wxSizerItem *item = node->GetData();
+
+ if (item->IsShown())
+ {
+ wxSize size( item->CalcMin() );
+ 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 );
+}
+
+//---------------------------------------------------------------------------
+// wxStaticBoxSizer
+//---------------------------------------------------------------------------
+
+#if wxUSE_STATBOX
+
+wxStaticBoxSizer::wxStaticBoxSizer( wxStaticBox *box, int orient )
+ : wxBoxSizer( orient )
+ , m_staticBox( box )
+{
+ wxASSERT_MSG( box, wxT("wxStaticBoxSizer needs a static box") );
+}
+
+static void GetStaticBoxBorders( wxStaticBox *box,
+ int *borderTop,
+ int *borderOther)
+{
+ // this has to be done platform by platform as there is no way to
+ // guess the thickness of a wxStaticBox border
+#ifdef __WXCOCOA__
+ box->GetBordersForSizer(borderTop,borderOther);
+#elif defined(__WXMAC__)
+
+ static int extraTop = -1; // Uninitted
+ static int other = 5;
+
+ if ( extraTop == -1 )
+ {
+ // The minimal border used for the top. Later on the staticbox'
+ // font height is added to this.
+ extraTop = 0;
+
+ if ( UMAGetSystemVersion() >= 0x1030 /*Panther*/ )
+ {
+ // As indicated by the HIG, Panther needs an extra border of 11
+ // pixels (otherwise overlapping occurs at the top). The "other"
+ // border has to be 11.
+ extraTop = 11;
+ other = 11;
+ }
+
+ }
+
+ *borderTop = extraTop + box->GetCharHeight();
+ *borderOther = other;
+
+#else
+#ifdef __WXGTK__
+ if ( box->GetLabel().IsEmpty() )
+ *borderTop = 5;
+ else
+#endif // __WXGTK__
+ *borderTop = box->GetCharHeight();
+
+ *borderOther = 5;
+#endif // __WXCOCOA__
+}
+
+void wxStaticBoxSizer::RecalcSizes()
+{
+ int top_border, other_border;
+ GetStaticBoxBorders(m_staticBox, &top_border, &other_border);
+
+ m_staticBox->SetSize( m_position.x, m_position.y, m_size.x, m_size.y );
+