/// <summary>
/// カーソルを更新します。
/// </summary>
/// <param name="mouse">マウス座標</param>
/// <param name="result">ヒットテストの結果</param>
/// <param name="x">x座標</param>
/// <param name="max_x">最大x座標</param>
/// <param name="format">価格表示のフォーマット</param>
public virtual void UpdateCursors(Point mouse, HitTestResult result, int x, int max_x, string format)
{
if (result.ChartArea == this)
{
// マウスが自エリア内の場合
// カーソル
CursorX.SetCursorPixelPosition(mouse, false);
CursorY.SetCursorPixelPosition(mouse, false);
// カーソルラベルY
CursorLabelY.Text = AxisY2.PixelPositionToValue(mouse.Y).ToString(format);
CursorLabelY.Top = mouse.Y - CursorLabelY.Height / 2;
if (AxisX.ScaleView.Position + AxisX.ScaleView.Size > max_x)
{
CursorLabelY.Left = (int)(AxisX.ValueToPixelPosition(AxisX.ScaleView.Position + AxisX.ScaleView.Size) + 1);
}
else
{
CursorLabelY.Left = (int)(AxisX.ValueToPixelPosition(AxisX.ScaleView.Position + AxisX.ScaleView.Size + 1) + 1);
}
CursorLabelY.Visible = true;
}
else
{
// マウスが他エリア内の場合
// カーソル
CursorY.Position = double.NaN;
// カーソルラベルY
CursorLabelY.Visible = false;
}
}
// 如果上一次的视图和当前XY轴范围不匹配则取消缩放视图
private void CancelScaleViewIfRangeNotFit(double lastMaxX, double lastMinX, double lastMaxY, double lastMinY)
{
if (!AxisX.IsZoomed && !AxisY.IsZoomed)
{
return;
}
double currentMaxX = AxisX.Maximum;
double currentMinX = AxisX.Minimum;
double currentMaxY = AxisY.Maximum;
double currentMinY = AxisY.Minimum;
// double viewMaxX = plotArea.AxisX.ViewMaximum;
// double viewMinX = plotArea.AxisX.ViewMinimum;
// double viewMaxY = plotArea.AxisY.ViewMaximum;
// double viewMinY = plotArea.AxisY.ViewMinimum;
// 如果没有重合区域则取消缩放
if (double.IsNaN(lastMaxX) || double.IsNaN(lastMinX) || double.IsNaN(lastMaxY) || double.IsNaN(lastMinY) ||
double.IsNaN(currentMaxX) || double.IsNaN(currentMinX) || double.IsNaN(currentMaxY) || double.IsNaN(currentMinY) ||
currentMaxX <= lastMinX || currentMinX >= lastMaxX || currentMaxY <= lastMinY || currentMinY >= lastMaxY)
{
AxisX.CancelScaleView();
AxisX2.CancelScaleView();
AxisY.CancelScaleView();
AxisY2.CancelScaleView();
}
double currentXRange = currentMaxX - currentMinX;
double currentYRange = currentMaxY - currentMinY;
double lastXRange = lastMaxX - lastMinX;
double lastYRange = lastMaxY - lastMinY;
double minXRange = currentXRange > lastXRange ? lastXRange : currentXRange;
double minYRange = currentYRange > lastYRange ? lastYRange : currentYRange;
// 如果X轴范围差比例超过最大维持系数则取消XY轴的缩放
if (Math.Abs(currentXRange - lastXRange) / minXRange > Constants.MaxDiffToKeepXScaleview)
{
AxisX.CancelScaleView();
AxisX2.CancelScaleView();
AxisY.CancelScaleView();
AxisY2.CancelScaleView();
}
// 如果Y轴范围差比例超过最大维持系数则取消Y轴的缩放
else if (Math.Abs(currentYRange - lastYRange) / minYRange > Constants.MaxDiffToKeepYScaleview)
{
AxisY.CancelScaleView();
AxisY2.CancelScaleView();
}
}
/// <summary>
/// カーソルを更新します。
/// </summary>
/// <param name="mouse">マウス座標</param>
/// <param name="result">ヒットテストの結果</param>
/// <param name="x">x座標</param>
/// <param name="max_x">最大x座標</param>
/// <param name="format">価格表示のフォーマット</param>
public override void UpdateCursors(Point mouse, HitTestResult result, int x, int max_x, string format)
{
base.UpdateCursors(mouse, result, x, max_x, format);
// カーソルラベルX
CursorLabelX.Text = Candles[x].DateTime.ToShortDateString();
CursorLabelX.Left = mouse.X - CursorLabelX.Width / 2;
CursorLabelX.Top = (int)(AxisY2.ValueToPixelPosition(AxisY2.ScaleView.Position) + 1 + AxisY2.ScrollBar.Size);
// 価格表示板
DataTypes.Candle prev = null;
if (x > 0)
{
prev = Candles[x - 1];
}
PriceBoard.SetCandle(Candles[x], prev, format);
}
