151 lines
4.7 KiB
C#
151 lines
4.7 KiB
C#
/******************************************************************************
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* SunnyUI 开源控件库、工具类库、扩展类库、多页面开发框架。
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* CopyRight (C) 2012-2025 ShenYongHua(沈永华).
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* QQ群：56829229 QQ：17612584 EMail：SunnyUI@QQ.Com
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*
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* Blog: https://www.cnblogs.com/yhuse
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* Gitee: https://gitee.com/yhuse/SunnyUI
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* GitHub: https://github.com/yhuse/SunnyUI
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*
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* SunnyUI.dll can be used for free under the GPL-3.0 license.
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* If you use this code, please keep this note.
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* 如果您使用此代码，请保留此说明。
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******************************************************************************
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* 文件名称: UIMarkLabel.cs
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* 文件说明: 带颜色标签
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* 当前版本: V3.1
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* 创建日期: 2021-03-07
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*
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* 2021-03-07: V3.0.2 增加文件说明
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* 2022-03-19: V3.1.1 重构主题配色
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******************************************************************************/
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using System.ComponentModel;
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using System.Drawing;
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using System.Windows.Forms;
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namespace Sunny.UI
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{
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[ToolboxItem(true)]
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[DefaultEvent("Click")]
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[DefaultProperty("Text")]
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public sealed class UIMarkLabel : UILabel
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{
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public UIMarkLabel()
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{
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Padding = new Padding(MarkSize + 2, 0, 0, 0);
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markColor = UIStyles.Blue.MarkLabelForeColor;
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}
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private bool autoSize;
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[Browsable(true)]
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[Description("自动大小"), Category("SunnyUI")]
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public override bool AutoSize
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{
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get => autoSize;
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set
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{
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autoSize = value;
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Invalidate();
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}
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}
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private int markSize = 3;
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[Description("标签大小"), Category("SunnyUI"), DefaultValue(3)]
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public int MarkSize
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{
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get => markSize;
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set
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{
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markSize = value;
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Invalidate();
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}
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}
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private UIMarkPos markPos = UIMarkPos.Left;
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[Description("标签位置"), Category("SunnyUI"), DefaultValue(UIMarkPos.Left)]
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public UIMarkPos MarkPos
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{
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get => markPos;
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set
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{
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markPos = value;
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switch (markPos)
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{
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case UIMarkPos.Left: Padding = new Padding(MarkSize + 2, 0, 0, 0); break;
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case UIMarkPos.Right: Padding = new Padding(0, 0, MarkSize + 2, 0); break;
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case UIMarkPos.Top: Padding = new Padding(0, MarkSize + 2, 0, 0); break;
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case UIMarkPos.Bottom: Padding = new Padding(0, 0, 0, MarkSize + 2); break;
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}
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Invalidate();
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}
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}
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public enum UIMarkPos
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{
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Left,
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Top,
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Right,
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Bottom
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}
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private Color markColor;
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[Description("标签颜色"), Category("SunnyUI")]
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[DefaultValue(typeof(Color), "80, 160, 255")]
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public Color MarkColor
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{
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get => markColor;
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set
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{
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markColor = value;
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Invalidate();
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}
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}
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/// <summary>
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/// 设置主题样式
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/// </summary>
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/// <param name="uiColor">主题样式</param>
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public override void SetStyleColor(UIBaseStyle uiColor)
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{
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base.SetStyleColor(uiColor);
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markColor = uiColor.MarkLabelForeColor;
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}
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/// <summary>
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/// 重载绘图
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/// </summary>
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/// <param name="e">绘图参数</param>
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protected override void OnPaint(PaintEventArgs e)
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{
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base.OnPaint(e);
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Size TextSize = TextRenderer.MeasureText(Text, Font);
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if (autoSize && Dock == DockStyle.None)
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{
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int width = (MarkPos == UIMarkPos.Left || MarkPos == UIMarkPos.Right) ?
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TextSize.Width + MarkSize + 2 : TextSize.Width;
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int height = (MarkPos == UIMarkPos.Top || MarkPos == UIMarkPos.Bottom) ?
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TextSize.Height + MarkSize + 2 : TextSize.Height;
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if (Width != width) Width = width;
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if (Height != height) Height = height;
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}
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switch (markPos)
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{
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case UIMarkPos.Left: e.Graphics.FillRectangle(MarkColor, 0, 0, MarkSize, Height); break;
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case UIMarkPos.Right: e.Graphics.FillRectangle(MarkColor, Width - MarkSize, 0, MarkSize, Height); break;
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case UIMarkPos.Top: e.Graphics.FillRectangle(MarkColor, 0, 0, Width, MarkSize); break;
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case UIMarkPos.Bottom: e.Graphics.FillRectangle(MarkColor, 0, Height - MarkSize, Width, MarkSize); break;
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}
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}
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}
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}
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