public override void OnCreate()
{
alignmentTarget = AlignmentTarget.Parent;
alignmentTargets = new List <ISelectOption <AlignmentTarget> > {
new EnumSelectOption <AlignmentTarget>(AlignmentTarget.Parent),
new EnumSelectOption <AlignmentTarget>(AlignmentTarget.ParentContentArea),
new EnumSelectOption <AlignmentTarget>(AlignmentTarget.LayoutBox),
new EnumSelectOption <AlignmentTarget>(AlignmentTarget.View),
new EnumSelectOption <AlignmentTarget>(AlignmentTarget.Unset),
new EnumSelectOption <AlignmentTarget>(AlignmentTarget.Mouse),
};
alignmentBoundary = AlignmentBoundary.Unset;
alignmentBoundaries = new List <ISelectOption <AlignmentBoundary> > {
new EnumSelectOption <AlignmentBoundary>(AlignmentBoundary.Unset),
new EnumSelectOption <AlignmentBoundary>(AlignmentBoundary.Parent),
new EnumSelectOption <AlignmentBoundary>(AlignmentBoundary.Clipper),
new EnumSelectOption <AlignmentBoundary>(AlignmentBoundary.View),
new EnumSelectOption <AlignmentBoundary>(AlignmentBoundary.Screen),
};
}
public static float ResolveOffsetOriginSizeY(LayoutResult result, float viewportHeight, AlignmentTarget target)
{
switch (target)
{
case AlignmentTarget.Unset:
case AlignmentTarget.LayoutBox:
return(result.allocatedSize.height);
case AlignmentTarget.Parent:
if (result.layoutParent == null)
{
return(viewportHeight);
}
return(result.layoutParent.actualSize.height);
case AlignmentTarget.ParentContentArea:
if (result.layoutParent == null)
{
return(viewportHeight);
}
return(Mathf.Max(0, result.layoutParent.ContentAreaHeight));
case AlignmentTarget.Template:
// todo handle transclusion
return(0);
case AlignmentTarget.TemplateContentArea:
// todo handle transclusion
return(0);
case AlignmentTarget.View:
return(viewportHeight);
case AlignmentTarget.Screen:
return(result.element.application.Height);
case AlignmentTarget.Mouse: {
return(0);
}
default:
throw new ArgumentOutOfRangeException(nameof(target), target, null);
}
}
public static float ResolveOriginBaseY(LayoutResult result, float viewportY, AlignmentTarget target, AlignmentDirection direction, InputSystem inputSystem)
{
switch (target)
{
case AlignmentTarget.Unset:
case AlignmentTarget.LayoutBox:
return(result.allocatedPosition.y);
case AlignmentTarget.Parent:
return(0);
case AlignmentTarget.ParentContentArea:
LayoutResult parentResult = result.layoutParent;
if (parentResult == null)
{
return(0);
}
if (direction == AlignmentDirection.Start)
{
return(parentResult.padding.top + parentResult.border.top);
}
else
{
return(parentResult.padding.bottom + parentResult.border.bottom);
}
case AlignmentTarget.Template:
throw new NotImplementedException();
case AlignmentTarget.TemplateContentArea:
throw new NotImplementedException();
case AlignmentTarget.View: {
if (result.element.parent == null)
{
return(0);
}
LayoutResult ptr = result.element.parent.layoutResult;
float output = viewportY;
while (ptr != null)
{
output -= ptr.alignedPosition.y;
if (ptr.element.parent == null)
{
return(output);
}
ptr = ptr.element.parent.layoutResult;
}
return(output);
}
case AlignmentTarget.Screen: {
if (result.element.parent == null)
{
return(0);
}
LayoutResult ptr = result.element.parent.layoutResult;
float output = 0;
while (ptr != null)
{
output -= ptr.alignedPosition.y;
if (ptr.element.parent == null)
{
return(output);
}
ptr = ptr.element.parent.layoutResult;
}
return(output);
}
case AlignmentTarget.Mouse:
float dist = GetYDistanceToScreen(result);
return(inputSystem.MousePosition.y + dist);
default:
throw new ArgumentOutOfRangeException(nameof(target), target, null);
}
}
public static float ResolveOriginBaseX(LayoutResult result, float viewportX, AlignmentTarget target, AlignmentDirection direction, InputSystem inputSystem)
{
switch (target)
{
case AlignmentTarget.Unset:
case AlignmentTarget.LayoutBox:
return(result.allocatedPosition.x);
case AlignmentTarget.Parent:
return(0);
case AlignmentTarget.ParentContentArea:
LayoutResult parentResult = result.layoutParent;
if (parentResult == null)
{
return(0);
}
if (direction == AlignmentDirection.Start)
{
return(parentResult.padding.left + parentResult.border.left);
}
else
{
return(parentResult.padding.right + parentResult.border.right);
}
case AlignmentTarget.Template:
// todo handle transclusion
return(0);
case AlignmentTarget.TemplateContentArea:
// todo handle transclusion
return(0);
case AlignmentTarget.View: {
if (result.element.parent == null)
{
return(0);
}
LayoutResult ptr = result.element.parent.layoutResult;
float output = viewportX;
while (ptr != null)
{
output -= ptr.alignedPosition.x;
if (ptr.element.parent == null)
{
return(output);
}
ptr = ptr.element.parent.layoutResult;
}
return(output);
}
case AlignmentTarget.Screen: {
if (result.element.parent == null)
{
return(0);
}
LayoutResult ptr = result.element.parent.layoutResult;
float output = 0;
while (ptr != null)
{
output -= ptr.alignedPosition.x;
if (ptr.element.parent == null)
{
return(output);
}
ptr = ptr.element.parent.layoutResult;
}
return(output);
}
case AlignmentTarget.Mouse: {
float dist = GetXDistanceToScreen(result);
return(inputSystem.MousePosition.x + dist);
}
default:
throw new ArgumentOutOfRangeException(nameof(target), target, null);
}
}
