public override CaptureRequest WantsCapture(InputState input)
{
inBehavior = null;
if (ClickBehavior == null && DragBehavior == null)
{
return(CaptureRequest.Ignore);
}
if (ButtonPressedF(input))
{
if (ClickBehavior == null || DragBehavior == null)
{
return((ClickBehavior == null) ?
DragBehavior.WantsCapture(input) : ClickBehavior.WantsCapture(input));
}
CaptureRequest click_req = ClickBehavior.WantsCapture(input);
CaptureRequest drag_req = DragBehavior.WantsCapture(input);
if (click_req.type != CaptureRequestType.Ignore && drag_req.type != CaptureRequestType.Ignore)
{
return(CaptureRequest.Begin(this, CaptureSide.Any));
}
else if (click_req.type != CaptureRequestType.Ignore)
{
return(click_req);
}
else
{
return(drag_req);
}
}
return(CaptureRequest.Ignore);
}
public override Capture ForceEndCapture(InputState input, CaptureData data)
{
if (inBehavior != null)
{
Capture result = inBehavior.ForceEndCapture(input, data);
inBehavior = null;
return(result);
}
return(Capture.End);
}
public override Capture UpdateCapture(InputState input, CaptureData data)
{
// if we already picked a behavior, let it handle things
if (inBehavior != null)
{
Capture result = inBehavior.UpdateCapture(input, data);
if (result.state == CaptureState.End)
{
inBehavior = null;
}
return(result);
}
// if we released button, and we are here, we must not have picked yet, so
// do full click behavior
if (ButtonReleasedF(input))
{
Capture begin = ClickBehavior.BeginCapture(input, data.which);
if (begin.state == CaptureState.Begin)
{
Capture update = ClickBehavior.UpdateCapture(input, data);
if (update.state != CaptureState.End)
{
DebugUtil.Log(2, "MouseClickDragSuperBehavior.UpdateCapture: ClickBehavior did not return End");
return(Capture.End);
}
return(update);
}
}
float fDelta = mouseDownPos.Distance(input.vMousePosition2D);
if (fDelta > DragTolerance)
{
inBehavior = DragBehavior;
Capture begin = inBehavior.BeginCapture(input, data.which);
if (begin.state == CaptureState.Begin)
{
Capture update = inBehavior.UpdateCapture(input, data);
return(update);
}
else
{
return(Capture.End);
}
}
// haven't decided yet, carry on
return(Capture.Continue);
}