/// <summary>
/// Measures wrapped UWP XAML content using passed in size availableSize
/// </summary>
/// <param name="availableSize">Available Size</param>
/// <returns>XAML DesiredSize</returns>
protected override Windows.Foundation.Size MeasureOverride(Windows.Foundation.Size availableSize)
{
Windows.Foundation.Size desiredSize = new Windows.Foundation.Size(0, 0);
Windows.UI.Xaml.UIElement element = Child;
if (element != null)
{
try
{
element.Measure(new Windows.Foundation.Size(availableSize.Width / _scalingFactor, availableSize.Height / _scalingFactor));
}
catch (Exception)
{
Debugger.Break();
}
desiredSize.Width = element.DesiredSize.Width * _scalingFactor;
desiredSize.Height = element.DesiredSize.Height * _scalingFactor;
}
desiredSize.Width = Math.Min(desiredSize.Width, availableSize.Width);
desiredSize.Height = Math.Min(desiredSize.Height, availableSize.Height);
return(desiredSize);
}
protected override Size MeasureOverride(Size availableSize)
{
Size desiredSize = new Size(0, 0);
Windows.UI.Xaml.UIElement rootXamlElement = Windows.UI.Xaml.Window.Current.Content;
if (rootXamlElement != null)
{
rootXamlElement.Measure(new Windows.Foundation.Size(availableSize.Width, availableSize.Height));
desiredSize.Width = rootXamlElement.DesiredSize.Width;
desiredSize.Height = rootXamlElement.DesiredSize.Height;
}
desiredSize.Width = Math.Min(desiredSize.Width, availableSize.Width);
desiredSize.Height = Math.Min(desiredSize.Height, desiredSize.Height);
// uncomment to debug layout issues
//Debug.WriteLine("JupiterHost Measure({0}x{1}), DesiredSize= {2}x{3}", availableSize.Width, availableSize.Height, desiredSize.Width, desiredSize.Height);
return(desiredSize);
}
public static void layout(Windows.UI.Xaml.UIElement widget, int widthConstraint, bool force = false)
{
if (!(widget != null))
{
return;
}
var done = false;
if (widget is cave.ui.WidgetWithLayout)
{
done = ((cave.ui.WidgetWithLayout)widget).layoutWidget(widthConstraint, force);
}
if (!done)
{
var srw = 0;
var srh = 0;
Windows.Foundation.Size available;
available.Height = float.PositiveInfinity;
if (widthConstraint >= 0)
{
available.Width = (float)widthConstraint;
}
else
{
available.Width = float.PositiveInfinity;
}
widget.Measure(available);
srw = (int)System.Math.Ceiling(widget.DesiredSize.Width);
srh = (int)System.Math.Ceiling(widget.DesiredSize.Height);
widget.InvalidateMeasure();
if (widthConstraint >= 0 && srw < widthConstraint)
{
srw = widthConstraint;
}
cave.ui.Widget.setLayoutSize(widget, srw, srh);
}
}
protected Size MeasureChildOverride(View view, Size slotSize)
{
view.Measure(slotSize);
return(view.DesiredSize);
}
