■ GaugeControl 클래스에서 마우스를 사용해 값 지시자를 이동시키는 방법을 보여준다.
▶ MainForm.cs
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using System.Drawing; using System.Windows.Forms; using DevExpress.XtraEditors; using DevExpress.XtraEditors.Controls; using DevExpress.XtraGauges.Base; using DevExpress.XtraGauges.Core.Base; using DevExpress.XtraGauges.Core.Drawing; using DevExpress.XtraGauges.Core.Model; using DevExpress.XtraGauges.Core.Primitive; using DevExpress.XtraGauges.Win; using DevExpress.XtraGauges.Win.Gauges.Circular; namespace TestProject { /// <summary> /// 메인 폼 /// </summary> public partial class MainForm : XtraForm { //////////////////////////////////////////////////////////////////////////////////////////////////// Field ////////////////////////////////////////////////////////////////////////////////////////// Private #region Field /// <summary> /// 게이지 컨트롤 /// </summary> private GaugeControl gaugeControl; /// <summary> /// 아크 스케일 컴포넌트 /// </summary> private ArcScaleComponent arcScaleComponent; #endregion //////////////////////////////////////////////////////////////////////////////////////////////////// Constructor ////////////////////////////////////////////////////////////////////////////////////////// Public #region 생성자 - MainForm() /// <summary> /// 생성자 /// </summary> public MainForm() { InitializeComponent(); #region 게이지 컨트롤을 설정한다. this.gaugeControl = new GaugeControl(); this.gaugeControl.Parent = this; this.gaugeControl.Location = new Point(50, 50); this.gaugeControl.Size = new Size(400, 400); this.gaugeControl.BackColor = Color.Transparent; this.gaugeControl.BorderStyle = BorderStyles.NoBorder; #endregion #region 환형 게이지를 설정한다. CircularGauge circularGauge = this.gaugeControl.AddCircularGauge(); circularGauge.AddDefaultElements(); #endregion #region 아크 스케일 배경 레이어를 설정한다. ArcScaleBackgroundLayer arcScaleBackgroundLayer = circularGauge.BackgroundLayers[0]; arcScaleBackgroundLayer.ShapeType = BackgroundLayerShapeType.CircularFull_Style10; #endregion #region 아크 스케일 컴포넌트를 설정한다. this.arcScaleComponent = circularGauge.Scales[0]; this.arcScaleComponent.MinValue = 0; this.arcScaleComponent.MaxValue = 100; this.arcScaleComponent.Value = 25; this.arcScaleComponent.AppearanceTickmarkText.Font = new Font("Tahoma", 10f); this.arcScaleComponent.AppearanceTickmarkText.TextBrush = new SolidBrushObject(Color.White); this.arcScaleComponent.MajorTickCount = 11; this.arcScaleComponent.MajorTickmark.FormatString = "{0:F0}"; this.arcScaleComponent.MajorTickmark.ShapeType = TickmarkShapeType.Circular_Style2_2; this.arcScaleComponent.MajorTickmark.ShapeOffset = -10; this.arcScaleComponent.MajorTickmark.TextOffset = -20; this.arcScaleComponent.MajorTickmark.AllowTickOverlap = true; this.arcScaleComponent.MinorTickCount = 3; this.arcScaleComponent.MinorTickmark.ShapeType = TickmarkShapeType.Circular_Style2_1; #endregion #region 아크 스케일 바늘 컴포넌트를 설정한다. ArcScaleNeedleComponent arcScaleNeedleComponent = circularGauge.Needles[0]; arcScaleNeedleComponent.ShapeType = NeedleShapeType.CircularFull_Style3; #endregion #region 아크 스케일 스핀들 캡 컴포넌트를 설정한다. ArcScaleSpindleCapComponent arcScaleSpindleCapComponent = arcScaleSpindleCapComponent = new ArcScaleSpindleCapComponent(); arcScaleSpindleCapComponent.Name = "arcScaleSpindleCapComponent"; arcScaleSpindleCapComponent.ArcScale = this.arcScaleComponent; arcScaleSpindleCapComponent.Size = new SizeF(42F, 42F); arcScaleSpindleCapComponent.ZOrder = -1000; arcScaleSpindleCapComponent.Shader = new OpacityShader(); circularGauge.SpindleCaps.Add(arcScaleSpindleCapComponent); #endregion this.gaugeControl.MouseDown += gaugeControl_MouseDown; this.gaugeControl.MouseMove += gaugeControl_MouseMove; } #endregion //////////////////////////////////////////////////////////////////////////////////////////////////// Method ////////////////////////////////////////////////////////////////////////////////////////// Private //////////////////////////////////////////////////////////////////////////////// Event #region 게이지 컨트롤 마우스 DOWN 처리하기 - gaugeControl_MouseDown(sender, e) /// <summary> /// 게이지 컨트롤 마우스 DOWN 처리하기 /// </summary> /// <param name="sender">이벤트 발생자</param> /// <param name="e">이벤트 인자</param> private void gaugeControl_MouseDown(object sender, MouseEventArgs e) { if(e.Button == MouseButtons.Left) { CalculateMouseValue(this.gaugeControl, this.arcScaleComponent, e); } } #endregion #region 게이지 컨트롤 마우스 이동시 처리하기 - gaugeControl_MouseMove(sender, e) /// <summary> /// 게이지 컨트롤 마우스 이동시 처리하기 /// </summary> /// <param name="sender">이벤트 발생자</param> /// <param name="e">이벤트 인자</param> private void gaugeControl_MouseMove(object sender, MouseEventArgs e) { CheckCursor(this.gaugeControl as IGaugeContainer, e); if(e.Button == MouseButtons.Left) { CalculateMouseValue(this.gaugeControl, this.arcScaleComponent, e); } } #endregion //////////////////////////////////////////////////////////////////////////////// Function #region 커서 체크하기 - CheckCursor(gaugeContainer, e) /// <summary> /// 커서 체크하기 /// </summary> /// <param name="gaugeContainer">게이지 컨테이너</param> /// <param name="e">이벤트 인자</param> private void CheckCursor(IGaugeContainer gaugeContainer, MouseEventArgs e) { BasePrimitiveHitInfo hitInfo = gaugeContainer.CalcHitInfo(e.Location); Cursor cursor = (hitInfo.Element != null && !hitInfo.Element.IsComposite) ? Cursors.Hand : Cursors.Default; if(((Control)gaugeContainer).Cursor != cursor) { ((Control)gaugeContainer).Cursor = cursor; } } #endregion #region 마우스 값 계산하기 - CalculateMouseValue(container, convertibleScaleEx, e) /// <summary> /// 마우스 값 계산하기 /// </summary> /// <param name="gaugeContainer">게이지 컨테이너 인터페이스</param> /// <param name="convertibleScaleEx">변환 가능 스케일 확장 인터페이스</param> /// <param name="e">이벤트 인자</param> private void CalculateMouseValue(IGaugeContainer gaugeContainer, IConvertibleScaleEx convertibleScaleEx, MouseEventArgs e) { BasePrimitiveHitInfo hitInfo = gaugeContainer.CalcHitInfo(e.Location); if(hitInfo.Element != null && !hitInfo.Element.IsComposite) { PointF point = MathHelper.PointToModelPoint(convertibleScaleEx as IElement<IRenderableElement>, new PointF(e.X, e.Y)); float percent = convertibleScaleEx.PointToPercent(point); convertibleScaleEx.Value = convertibleScaleEx.PercentToValue(percent); } } #endregion } } |
