//-///////////////////////////////////////////////////////////////////////
//-///////////////////////////////////////////////////////////////////////
public override bool HandleMouseEvent(object sender, MouseEventArgs mea, V2 mouseScenePos)
{
_hot = false;
PointF screenPos, handlePos;
double thetaOffset;
if (GetPositions(out screenPos, out handlePos, out thetaOffset))
{
if (Misc.ArePointsCloser(mea.Location, handlePos, _handleRadius))
{
_hot = true;
}
}
if ((mea.Button & MouseButtons.Left) != 0)
{
if (_dragging)
{
float dx = (float)mea.Location.X - screenPos.X;
float dy = (float)mea.Location.Y - screenPos.Y;
Attr.SetValue(Math.Atan2(dy, dx) - thetaOffset);
}
else
{
if (_hot)
{
_dragging = true;
}
}
}
else
{
_dragging = false;
}
return(false);
}
//-///////////////////////////////////////////////////////////////////////
//-///////////////////////////////////////////////////////////////////////
/// <summary>
/// returns Attr for the given attribute on the given object.
/// </summary>
/// <param name="pyobj"></param>
/// <param name="name"></param>
/// <returns></returns>
private Attr attr(object pyobj, string name)
{
Attr newAttr = new Attr(this, pyobj, name);
foreach (Attr attr in _attrPool)
{
if (attr.IsEquivalent(newAttr))
{
return(attr);
}
}
_attrPool.Add(newAttr);
// Got an equivalent in the saved attributes list?
if (_savedAttrValues != null)
{
Type valueType = null;
object value = newAttr.GetValue();
if (value != null)
{
valueType = value.GetType();
}
int index = -1;
for (int i = 0; i < _savedAttrValues.Count; ++i)
{
SavedAttrValue sav = _savedAttrValues[i];
if (sav.Name == name)
{
Type savedType = null;
if (sav.Value != null)
{
savedType = sav.Value.GetType();
}
bool match = false;
if (valueType == savedType)
{
match = true;
}
else if ((valueType == typeof(float) || valueType == typeof(double)) &&
(savedType == typeof(float) || savedType == typeof(double)))
{
// float, double, float, double... *shrug*
match = true;
}
if (match)
{
index = i;
break;
}
}
}
if (index >= 0)
{
newAttr.SetValue(_savedAttrValues[index].Value);
_savedAttrValues.RemoveAt(index);
}
}
return(newAttr);
}