protected override void OnMouseWheel(MouseEventArgs e)
{
base.OnMouseWheel(e);
GraphicsUtil.TextPosition titlePos = new GraphicsUtil.TextPosition();
GraphicsUtil.TextPosition valuePos = new GraphicsUtil.TextPosition();
VectorRect bar = new VectorRect();
VectorRect handle = new VectorRect();
Vector vlow = Vector.Zero;
Vector vhigh = Vector.Zero;
getPositions(ref titlePos, ref valuePos, ref bar, ref handle, ref vlow, ref vhigh);
VectorRect vr = VectorRect.containingRects(bar, handle);
if (vr.inside(e.X, e.Y))
{
((HandledMouseEventArgs)e).Handled = true;
if (_logScale)
{
if ((_minVal <= 0) || (_maxVal <= 0) || (_maxVal == _minVal))
{
return;
}
if (_val <= 0)
{
return;
}
double v = Math.Log(_val) + (double)e.Delta / 2000 * (Math.Log(_maxVal) - Math.Log(_minVal));
if (v < Math.Log(_minVal))
{
v = Math.Log(_minVal);
}
if (v > Math.Log(_maxVal))
{
v = Math.Log(_maxVal);
}
_val = Math.Exp(v);
Invalidate();
newValue();
}
else
{
if (_minVal >= _maxVal)
{
return;
}
double v = _val + (double)e.Delta / 2000 * (_maxVal - _minVal);
if (v < _minVal)
{
v = _minVal;
}
if (v > _maxVal)
{
v = _maxVal;
}
_val = v;
Invalidate();
newValue();
}
}
else
{
forwardOnMouseWheel(e);
}
}
// private static double sqr(double s) { return s * s; }
protected override void OnMouseDown(MouseEventArgs e)
{
base.OnMouseDown(e);
if (e.Button != MouseButtons.Left)
{
return;
}
double scl = scale;
if ((e.X < 0) || (e.X >= Width) || (e.Y < 0) || (e.Y >= Height))
{
return;
}
if (_showValue && e.Y >= Height - 1 - valueFont.Height * scale)
{
// Hit in Value
// Show Value Selector Window
NumericInputWin dw = new NumericInputWin(this,
((_title != null) && (_title.Length > 0)) ? _title : null,
((_unit != null) && (_unit.Length > 0)) ? _unit : null,
getFormat(), true, _minVal, _val, _maxVal, _logScale);
dw.StartPosition = FormStartPosition.Manual;
dw.Location = PointToScreen(e.Location);
dw.ShowDialog();
_val = dw.value;
newValue();
Invalidate();
return;
}
GraphicsUtil.TextPosition titlePos = new GraphicsUtil.TextPosition();
GraphicsUtil.TextPosition valuePos = new GraphicsUtil.TextPosition();
VectorRect bar = new VectorRect();
VectorRect handle = new VectorRect();
Vector vlow = Vector.Zero;
Vector vhigh = Vector.Zero;
getPositions(ref titlePos, ref valuePos, ref bar, ref handle, ref vlow, ref vhigh);
VectorRect vr = VectorRect.containingRects(bar, handle);
if (vr.inside(e.X, e.Y))
{
// Hit in Dial Region
double n = 0;
if (_slideDirection == SlideDirection.Horizontal)
{
n = (e.X - vlow.x) / (vhigh.x - vlow.x);
}
else
{
n = (e.Y - vlow.y) / (vhigh.y - vlow.y);
}
if (n < 0)
{
n = 0;
}
if (n > 1.0)
{
n = 1;
}
if (logScale)
{
if ((_minVal <= 0) || (_maxVal <= 0) || (_minVal == _maxVal))
{
_val = _minVal;
}
else
{
_val = Math.Exp(n * (Math.Log(_maxVal) - Math.Log(_minVal)) + Math.Log(_minVal));
}
}
else
{
_val = n * (_maxVal - _minVal) + _minVal;
}
newValue();
Invalidate();
dragMode = DragMode.Dial;
dragStart = e.Location;
}
else
{
forwardOnMouseDown(e);
}
}