515 lines
15 KiB
C#
515 lines
15 KiB
C#
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/*
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* 本代码受中华人民共和国著作权法保护，作者仅授权下载代码之人在学习和交流范围内
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* 自由使用与修改代码；欲将代码用于商业用途的，请与作者联系。
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* 使用本代码请保留此处信息。作者联系方式：ping3108@163.com, 欢迎进行技术交流
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*/
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using System;
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using System.Drawing;
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using System.Drawing.Drawing2D;
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using System.Windows.Forms;
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using MGdu.WinFormUI.MyGraphics;
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namespace MGdu.WinFormUI
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{
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//忽略没有注释警告
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#pragma warning disable 1591
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/// <summary>
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///
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/// </summary>
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public class WLButton
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{
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#region private var
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private Control _owner;
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private GMButtonState _state;
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private EventHandler _click;
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private PaintEventHandler _paint;
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private bool _capture;
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private Rectangle _bounds;
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#endregion
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#region properties
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/// <summary>
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/// 是否在这个按钮上按下了鼠标未释放
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/// </summary>
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public bool Capture
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{ get { return _capture; } }
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public Size BtnSize
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{
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get { return Bounds.Size; }
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}
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public Point Location
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{
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get { return Bounds.Location; }
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}
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public ButtonForePathGetter ForePathGetter { get; set; }
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public event EventHandler Click
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{
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add { _click = value; }
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remove { _click = null; }
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}
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public event PaintEventHandler Paint
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{
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add { _paint = value; }
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remove { _paint = null; }
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}
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public GMButtonState State
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{
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get { return _state; }
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set
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{
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if (value != _state)
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{
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_state = value;
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_owner.Invalidate(Bounds);
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}
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}
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}
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/// <summary>
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/// 是否可见
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/// </summary>
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public bool Visible { get; set; }
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/// <summary>
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///
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/// </summary>
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public Rectangle Bounds
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{
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get { return _bounds; }
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set
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{
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if (_bounds != value)
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{
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_bounds = value;
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}
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}
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}
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public Font ForeFont { get; set; }
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public string Text { get; set; }
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public Size ForePathSize { get; set; }
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public ButtonColorTable ColorTable { get; set; }
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public ButtonBorderType BorderType { get; set; }
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public bool DrawLightGlass { get; set; }
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/// <summary>
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/// 画两次可以加深颜色
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/// </summary>
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public bool DrawForePathTwice { get; set; }
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/// <summary>
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/// 用于在click事件中传回数据
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/// </summary>
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public object ClickSendBackOject { get; set; }
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public Image BackImageNormal { get; set; }
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public Image BackImageHover { get; set; }
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public Image BackImagePressed { get; set; }
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public Image BackImageDisabled { get; set; }
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public bool Enabled { get; set; }
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public ForePathRatoteDirection RotateDirection { get; set; }
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public ForePathRenderMode HowForePathRender { get; set; }
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/// <summary>
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/// 获取或设置是否将绘制完全限制在指定的区域内
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/// </summary>
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public bool RestrictedBounds { get; set; }
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public int Radius { get; set; }
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public RoundStyle RoundedType { get; set; }
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#endregion
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#region private render method
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private void RenderNormal(Graphics g)
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{
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RenderInternal(g, BackImageNormal, ColorTable.BorderColorNormal,
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ColorTable.BackColorNormal, ColorTable.ForeColorNormal);
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}
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private void RenderHover(Graphics g)
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{
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RenderInternal(g, BackImageHover, ColorTable.BorderColorHover,
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ColorTable.BackColorHover, ColorTable.ForeColorHover);
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}
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private void RenderPressed(Graphics g)
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{
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RenderInternal(g, BackImagePressed, ColorTable.BorderColorPressed,
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ColorTable.BackColorPressed, ColorTable.ForeColorPressed);
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}
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private void RenderDisabled(Graphics g)
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{
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RenderInternal(g, BackImageDisabled, ColorTable.BorderColorDisabled,
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ColorTable.BackColorDisabled, ColorTable.ForeColorDisabled);
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}
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private void RenderInternal(Graphics g, Image backImage, Color borderColor,
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Color backColor, Color foreColor)
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{
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Region oldClip = g.Clip;
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Region newClip = null;
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if (RestrictedBounds)
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{
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newClip = new Region(Bounds);
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g.Clip = newClip;
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}
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if (backImage != null)
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{
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g.DrawImage(backImage, Bounds);
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}
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else
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{
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FillInBackground(g, backColor);
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RenderForePathAndText(g, foreColor);
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DrawBorder(g, borderColor);
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}
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if (RestrictedBounds)
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{
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g.Clip = oldClip;
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newClip.Dispose();
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}
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}
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private void FillInBackground(Graphics g, Color backColor)
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{
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BasicBlockPainter.RenderFlatBackground(
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g,
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Bounds,
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backColor,
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BorderType,
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Radius,
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RoundedType);
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if (BorderType == ButtonBorderType.Ellipse && DrawLightGlass)
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{
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using (GraphicsPath gp = new GraphicsPath())
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{
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Rectangle rect = Bounds;
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rect.Height--;
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rect.Width--;
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gp.AddEllipse(rect);
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using (PathGradientBrush pb = new PathGradientBrush(gp))
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{
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pb.CenterPoint = new PointF(rect.X + rect.Width / 2.0f, rect.Y + rect.Height / 4.0f);
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pb.CenterColor = Color.FromArgb(180, Color.White);
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pb.SurroundColors = new Color[] { Color.FromArgb(40, Color.White) };
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g.FillPath(pb, gp);
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}
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}
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}
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}
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private void DrawBorder(Graphics g, Color borderColor)
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{
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BasicBlockPainter.RenderBorder(
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g,
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Bounds,
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borderColor,
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BorderType,
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Radius,
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RoundedType);
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}
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private void RenderForePathAndText(Graphics g, Color foreColor)
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{
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if (ForePathGetter != null)
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{
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if(string.IsNullOrEmpty(Text))
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PathOnly(g,foreColor);
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else
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PathAndText(g,foreColor);
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}
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else if(!string.IsNullOrEmpty(Text))
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TextOnly(g,foreColor);
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}
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private void PathOnly(Graphics g, Color foreColor)
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{
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using (GraphicsPath path = ForePathGetter(Bounds))
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{
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PathWithRotate(g, path, foreColor, Bounds);
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if (DrawForePathTwice)
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PathWithRotate(g, path, foreColor, Bounds);
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}
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}
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private void TextOnly(Graphics g, Color foreColor)
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{
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Size size = TextRenderer.MeasureText(Text, ForeFont);
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int x = Bounds.Left + (Bounds.Width - size.Width) / 2;
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int y = Bounds.Top + (Bounds.Height - size.Height) / 2;
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Rectangle textRect = new Rectangle(new Point(x, y), size);
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TextRenderer.DrawText(
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g,
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Text,
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ForeFont,
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textRect,
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foreColor,
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TextFormatFlags.HorizontalCenter |
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TextFormatFlags.VerticalCenter);
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}
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private void PathAndText(Graphics g, Color foreColor)
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{
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Size size = TextRenderer.MeasureText(Text, ForeFont);
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Rectangle rect = Bounds;
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rect.Offset(-size.Width / 2 + 2, 0);
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using (GraphicsPath path = ForePathGetter(rect))
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{
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PathWithRotate(g, path, foreColor, rect);
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int x = rect.Left + rect.Width / 2 + ForePathSize.Width / 2 + 1;
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int y = rect.Top + (rect.Height - size.Height) / 2;
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Rectangle textRect = new Rectangle(new Point(x, y), size);
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TextRenderer.DrawText(
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g,
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Text,
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ForeFont,
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textRect,
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foreColor,
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TextFormatFlags.HorizontalCenter |
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TextFormatFlags.VerticalCenter);
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}
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}
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private void PathWithRotate(Graphics g, GraphicsPath path, Color foreColor, Rectangle pathRect)
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{
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Pen p = new Pen(foreColor);
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SolidBrush sb = new SolidBrush(foreColor);
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if (RotateDirection == ForePathRatoteDirection.Down)
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{
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if (HowForePathRender == ForePathRenderMode.Draw)
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g.DrawPath(p, path);
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else
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g.FillPath(sb, path);
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}
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else
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{
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int dx = 0, dy = 0, angle = 0;
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switch (RotateDirection)
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{
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case ForePathRatoteDirection.Left:
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dx = ForePathSize.Width - 1;
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dy = 0;
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angle = 90;
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break;
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case ForePathRatoteDirection.Up:
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dx = ForePathSize.Width - 1;
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dy = ForePathSize.Height - 1;
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angle = 180;
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break;
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case ForePathRatoteDirection.Right:
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dx = 0;
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dy = ForePathSize.Height - 1;
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angle = 270;
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break;
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}
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int pathX = pathRect.Left + (pathRect.Width - ForePathSize.Width) / 2;
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int pathY = pathRect.Top + (pathRect.Height - ForePathSize.Height) / 2;
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g.TranslateTransform(pathX, pathY);
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g.TranslateTransform(dx, dy);
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g.RotateTransform(angle);
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using (GraphicsPath newPath = ForePathGetter(new Rectangle(Point.Empty, ForePathSize)))
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{
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if (HowForePathRender == ForePathRenderMode.Draw)
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g.DrawPath(p, newPath);
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else
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g.FillPath(sb, newPath);
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}
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g.ResetTransform();
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}
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p.Dispose();
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sb.Dispose();
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}
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#region mouse operation
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private void MouseDown(Point location)
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{
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if (Bounds.Contains(location))
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{
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State = GMButtonState.Pressed;
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_capture = true;
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}
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else
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{
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_capture = false;
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}
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}
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private void MouseMove(Point location)
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{
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if (Bounds.Contains(location))
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{
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if (State == GMButtonState.Normal)
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{
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// 没有在窗体其他地方按下按钮
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if (!_owner.Capture)
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{
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State = GMButtonState.Hover;
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}
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}
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else if (State == GMButtonState.PressLeave)
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{
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State = GMButtonState.Pressed;
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}
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}
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else
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{
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if (_capture)
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{
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State = GMButtonState.PressLeave;
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}
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else
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{
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State = GMButtonState.Normal;
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}
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}
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}
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private void MouseLeave(Point location)
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{
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State = GMButtonState.Normal;
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_capture = false;
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}
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private void MouseUp(Point location)
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{
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|||
|
|
|
|||
|
|
if (Bounds.Contains(location))
|
|||
|
|
{
|
|||
|
|
State = GMButtonState.Hover;
|
|||
|
|
if (_capture)
|
|||
|
|
OnClick(EventArgs.Empty);
|
|||
|
|
}
|
|||
|
|
else
|
|||
|
|
{
|
|||
|
|
State = GMButtonState.Normal;
|
|||
|
|
}
|
|||
|
|
_capture = false;
|
|||
|
|
}
|
|||
|
|
|
|||
|
|
#endregion
|
|||
|
|
|
|||
|
|
#endregion
|
|||
|
|
|
|||
|
|
#region event
|
|||
|
|
/// <summary>
|
|||
|
|
///
|
|||
|
|
/// </summary>
|
|||
|
|
/// <param name="e"></param>
|
|||
|
|
protected virtual void OnClick(EventArgs e)
|
|||
|
|
{
|
|||
|
|
if (_click != null)
|
|||
|
|
{
|
|||
|
|
object obj = (ClickSendBackOject != null) ? ClickSendBackOject : this;
|
|||
|
|
_click(obj, e);
|
|||
|
|
}
|
|||
|
|
}
|
|||
|
|
|
|||
|
|
protected virtual void OnPaint(PaintEventArgs e)
|
|||
|
|
{
|
|||
|
|
if (_paint != null)
|
|||
|
|
{
|
|||
|
|
_paint(this, e);
|
|||
|
|
}
|
|||
|
|
}
|
|||
|
|
|
|||
|
|
#endregion
|
|||
|
|
|
|||
|
|
#region public method
|
|||
|
|
/// <summary>
|
|||
|
|
///
|
|||
|
|
/// </summary>
|
|||
|
|
/// <param name="owner"></param>
|
|||
|
|
public WLButton(Control owner)
|
|||
|
|
{
|
|||
|
|
_owner = owner;
|
|||
|
|
_state = GMButtonState.Normal;
|
|||
|
|
Visible = true;
|
|||
|
|
Enabled = true;
|
|||
|
|
BorderType = ButtonBorderType.Rectangle;
|
|||
|
|
DrawLightGlass = false;
|
|||
|
|
RotateDirection = ForePathRatoteDirection.Down;
|
|||
|
|
HowForePathRender = ForePathRenderMode.Draw;
|
|||
|
|
RestrictedBounds = true;
|
|||
|
|
Radius = 0;
|
|||
|
|
RoundedType = RoundStyle.None;
|
|||
|
|
}
|
|||
|
|
|
|||
|
|
public void DrawButton(Graphics g)
|
|||
|
|
{
|
|||
|
|
if (!Visible)
|
|||
|
|
return;
|
|||
|
|
|
|||
|
|
if (Enabled)
|
|||
|
|
{
|
|||
|
|
switch (State)
|
|||
|
|
{
|
|||
|
|
case GMButtonState.Hover:
|
|||
|
|
RenderHover(g);
|
|||
|
|
break;
|
|||
|
|
case GMButtonState.Pressed:
|
|||
|
|
RenderPressed(g);
|
|||
|
|
break;
|
|||
|
|
default:
|
|||
|
|
RenderNormal(g);
|
|||
|
|
break;
|
|||
|
|
}
|
|||
|
|
}
|
|||
|
|
else
|
|||
|
|
{
|
|||
|
|
RenderDisabled(g);
|
|||
|
|
}
|
|||
|
|
|
|||
|
|
OnPaint(new PaintEventArgs(g, Bounds));
|
|||
|
|
}
|
|||
|
|
|
|||
|
|
public void MouseOperation(Point location, MouseOperationType type)
|
|||
|
|
{
|
|||
|
|
if (!Visible)
|
|||
|
|
return;
|
|||
|
|
|
|||
|
|
switch (type)
|
|||
|
|
{
|
|||
|
|
case MouseOperationType.Move:
|
|||
|
|
MouseMove(location);
|
|||
|
|
break;
|
|||
|
|
|
|||
|
|
case MouseOperationType.Down:
|
|||
|
|
MouseDown(location);
|
|||
|
|
break;
|
|||
|
|
|
|||
|
|
case MouseOperationType.Up:
|
|||
|
|
MouseUp(location);
|
|||
|
|
break;
|
|||
|
|
|
|||
|
|
case MouseOperationType.Leave:
|
|||
|
|
MouseLeave(location);
|
|||
|
|
break;
|
|||
|
|
|
|||
|
|
default:
|
|||
|
|
break;
|
|||
|
|
}
|
|||
|
|
}
|
|||
|
|
|
|||
|
|
#endregion
|
|||
|
|
}
|
|||
|
|
}
|