protected override WidgetSize OnGetPreferredHeight()
{
WidgetSize s = new WidgetSize();
if (direction == Orientation.Vertical)
{
int count = 0;
foreach (var cw in Children.Where(b => b.Visible))
{
s += cw.Surface.GetPreferredHeight();
count++;
}
if (count > 0)
{
s += spacing * (double)(count - 1);
}
}
else
{
foreach (var cw in Children.Where(b => b.Visible))
{
s = s.UnionWith(cw.Surface.GetPreferredHeight());
}
}
return(s);
}
WidgetSize GetPreferredLengthForSize(SizeRequestMode mode, double width)
{
WidgetSize s = new WidgetSize();
if ((direction == Orientation.Horizontal && mode == SizeRequestMode.HeightForWidth) || (direction == Orientation.Vertical && mode == SizeRequestMode.WidthForHeight))
{
CalcDefaultSizes(mode, width, -1);
foreach (var bp in children.Where(b => b.Child.Visible))
{
s = s.UnionWith(GetPreferredLengthForSize(mode, bp.Child, bp.NextSize));
}
}
else
{
int count = 0;
foreach (var bp in children.Where(b => b.Child.Visible))
{
s += GetPreferredLengthForSize(mode, bp.Child, width);
count++;
}
if (count > 0)
{
s += spacing * (double)(count - 1);
}
}
return(s);
}
protected override WidgetSize OnGetPreferredWidth()
{
WidgetSize s = new WidgetSize();
if (direction == Orientation.Horizontal)
{
int count = 0;
foreach (IWidgetSurface cw in Children.Where(b => b.Visible))
{
s += cw.GetPreferredWidth();
count++;
}
s += spacing * (double)(count - 1);
}
else
{
foreach (IWidgetSurface cw in Children.Where(b => b.Visible))
{
s.UnionWith(cw.GetPreferredWidth());
}
}
return(s);
}