+ x_start += w;
+ }
+
+ unsigned int col_last = col_start;
+ unsigned int x_last = x_start;
+ for (; col_last < cols; col_last++)
+ {
+ wxDataViewColumn *col = GetOwner()->GetColumn(col_last);
+ if (col->IsHidden())
+ continue; // skip it!
+
+ if (x_last > (unsigned int)update.GetRight())
+ break;
+
+ x_last += col->GetWidth();
+ }
+
+ // Draw horizontal rules if required
+ if ( m_owner->HasFlag(wxDV_HORIZ_RULES) )
+ {
+ dc.SetPen(m_penRule);
+ dc.SetBrush(*wxTRANSPARENT_BRUSH);
+
+ for (unsigned int i = item_start; i <= item_last+1; i++)
+ {
+ int y = i * m_lineHeight;
+ dc.DrawLine(x_start, y, x_last, y);
+ }
+ }
+
+ // Draw vertical rules if required
+ if ( m_owner->HasFlag(wxDV_VERT_RULES) )
+ {
+ dc.SetPen(m_penRule);
+ dc.SetBrush(*wxTRANSPARENT_BRUSH);
+
+ int x = x_start;
+ for (unsigned int i = col_start; i < col_last; i++)
+ {
+ wxDataViewColumn *col = GetOwner()->GetColumn(i);
+ if (col->IsHidden())
+ continue; // skip it
+
+ dc.DrawLine(x, item_start * m_lineHeight,
+ x, item_last * m_lineHeight);
+
+ x += col->GetWidth();
+ }
+
+ // Draw last vertical rule
+ dc.DrawLine(x, item_start * m_lineHeight,
+ x, item_last * m_lineHeight);
+ }
+
+ // redraw the background for the items which are selected/current
+ for (unsigned int item = item_start; item < item_last; item++)