static double ArrangeChild(IView child, int spacing, double x)
{
var destination = new Rectangle(x, 0, child.DesiredSize.Width, child.DesiredSize.Height);
child.Arrange(destination);
return(destination.Width + spacing);
}
static double ArrangeChildFromLeftEdge(IView child, double height, double top, double x)
{
var destination = new Rect(x, top, child.DesiredSize.Width, height);
child.Arrange(destination);
return(destination.Width);
}
static double ArrangeChildFromRightEdge(IView child, double height, double top, double x)
{
var width = child.DesiredSize.Width;
var destination = new Rect(x - width, top, width, height);
child.Arrange(destination);
return(-destination.Width);
}
protected void InitializeViewHandler(IView view, IViewHandler handler, IMauiContext mauiContext = null)
{
handler.SetMauiContext(mauiContext ?? MauiContext);
handler.SetVirtualView(view);
view.Handler = handler;
view.Arrange(new Rectangle(0, 0, view.Width, view.Height));
handler.NativeArrange(view.Frame);
}
internal static void LayoutToSize(this IView view, double width, double height)
{
var platformFrame = new CGRect(0, 0, width, height);
if (view.Handler is IPlatformViewHandler viewHandler && viewHandler.PlatformView != null)
{
viewHandler.PlatformView.Frame = platformFrame;
}
view.Arrange(platformFrame.ToRectangle());
}
internal static Size LayoutToMeasuredSize(this IView view, double width, double height)
{
var size = view.Measure(width, height);
var platformFrame = new CGRect(0, 0, size.Width, size.Height);
if (view.Handler is IPlatformViewHandler viewHandler && viewHandler.PlatformView != null)
{
viewHandler.PlatformView.Frame = platformFrame;
}
view.Arrange(platformFrame.ToRectangle());
return(size);
}
protected THandler CreateHandler <THandler>(IView view)
where THandler : IViewHandler
{
var handler = Activator.CreateInstance <THandler>();
handler.SetMauiContext(MauiContext);
handler.SetVirtualView(view);
view.Handler = handler;
view.Arrange(new Rectangle(0, 0, view.Width, view.Height));
handler.NativeArrange(view.Frame);
return(handler);
}
protected THandler CreateHandler <THandler>(IView view)
where THandler : IViewHandler
{
var handler = Activator.CreateInstance <THandler>();
handler.SetMauiContext(MauiContext);
handler.SetVirtualView(view);
view.Handler = handler;
var size = view.Measure(double.PositiveInfinity, double.PositiveInfinity);
view.Arrange(new Rect(0, 0, size.Width, size.Height));
handler.PlatformArrange(view.Frame);
return(handler);
}