private void ProcessInputsRecursive(IGuiElement component, IRectangle clipRect)
{
if (!component.GetVisible())
{
return;
}
if (component is IGuiElementContainer)
{
var container = (IGuiElementContainer)component;
var children = container.GetChildren();
var componenetClipRect = component.GetLayoutProcessingData().ClipRect;
// merge the two rectangle to get the cut-set
var resultingClipRect = clipRect.Intersect(componenetClipRect);
// just go further in the recursion if there is space left in the clip rect
if (resultingClipRect.Width > 0 && resultingClipRect.Height > 0)
{
// first go down the recursion
// But we have to go from the last to the first child. We have to do it, so the top most child (with same parent as its sibblings)
// will receive events like Clicked, that are only sent to one gui element.
var count = children.Count;
for (var i = count - 1; i >= 0; --i)
{
var child = children[i];
ProcessInputsRecursive(child, resultingClipRect);
}
}
// on the back path check for events
ProcessComponentInputs(component, clipRect);
}
else
{
ProcessComponentInputs(component, clipRect);
}
}