462 lines
13 KiB
C#
462 lines
13 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) 2012-2022 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: UIImageButton.cs
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* 文件说明: 图像按钮
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* 当前版本: V3.1
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* 创建日期: 2020-01-01
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*
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* 2020-01-01: V2.2.0 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;
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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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/// <summary>
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/// 图像按钮
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/// </summary>
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public sealed class UIImageButton : PictureBox, IStyleInterface, IZoomScale
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{
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private bool IsPress;
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private bool IsHover;
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private Image imageDisabled;
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private Image imagePress;
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private Image imageHover;
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private Image imageSelected;
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private bool selected;
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private string text;
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private ContentAlignment textAlign = ContentAlignment.MiddleCenter;
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private Color foreColor = UIFontColor.Primary;
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/// <summary>
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/// 禁止控件跟随窗体缩放
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/// </summary>
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[DefaultValue(false), Category("SunnyUI"), Description("禁止控件跟随窗体缩放")]
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public bool ZoomScaleDisabled { get; set; }
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/// <summary>
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/// 控件缩放前在其容器里的位置
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/// </summary>
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[Browsable(false)]
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public Rectangle ZoomScaleRect { get; set; }
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/// <summary>
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/// 设置控件缩放比例
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/// </summary>
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/// <param name="scale">缩放比例</param>
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public void SetZoomScale(float scale)
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{
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}
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/// <summary>
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/// 主题样式
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/// </summary>
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[DefaultValue(UIStyle.Blue), Description("主题样式"), Category("SunnyUI")]
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public UIStyle Style
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{
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get => _style;
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set => SetStyle(value);
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}
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/// <summary>
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/// Tag字符串
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/// </summary>
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[DefaultValue(null)]
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[Description("获取或设置包含有关控件的数据的对象字符串"), Category("SunnyUI")]
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public string TagString { get; set; }
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public void SetStyleColor(UIBaseStyle uiColor)
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{
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foreColor = uiColor.ImageButtonForeColor;
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}
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public void SetStyle(UIStyle style)
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{
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if (!style.IsCustom())
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{
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SetStyleColor(style.Colors());
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Invalidate();
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}
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_style = style;
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}
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private UIStyle _style = UIStyle.Blue;
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public bool IsScaled { get; private set; }
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public void SetDPIScale()
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{
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if (!IsScaled)
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{
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this.SetDPIScaleFont();
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IsScaled = true;
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}
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}
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[Category("SunnyUI")]
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[Description("按钮文字")]
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[Browsable(true)]
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[DesignerSerializationVisibility(DesignerSerializationVisibility.Visible)]
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public override string Text
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{
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get => text;
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set
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{
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if (text != value)
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{
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text = value;
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Invalidate();
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}
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}
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}
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[Description("文字对齐方式"), Category("SunnyUI")]
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[DefaultValue(ContentAlignment.MiddleCenter)]
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public ContentAlignment TextAlign
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{
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get => textAlign;
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set
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{
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textAlign = value;
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Invalidate();
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}
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}
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[Category("SunnyUI")]
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[Description("文字字体")]
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[Browsable(true)]
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[DesignerSerializationVisibility(DesignerSerializationVisibility.Visible)]
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public override Font Font
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{
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get => base.Font;
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set
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{
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base.Font = value;
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Invalidate();
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}
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}
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[Category("SunnyUI")]
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[Description("文字颜色")]
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[Browsable(true)]
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[DesignerSerializationVisibility(DesignerSerializationVisibility.Visible)]
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[DefaultValue(typeof(Color), "48, 48, 48")]
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public override Color ForeColor
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{
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get => foreColor;
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set
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{
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foreColor = value;
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Invalidate();
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}
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}
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[Browsable(false)]
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[DefaultValue(typeof(Image), "null")]
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[Description("初始化图片"), Category("SunnyUI")]
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public new Image InitialImage { get; set; }
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[Browsable(false)]
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[DefaultValue(typeof(Image), "null")]
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[Description("出错图片"), Category("SunnyUI")]
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public new Image ErrorImage { get; set; }
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/// <summary>
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/// 构造函数
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/// </summary>
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public UIImageButton()
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{
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SetDefaultControlStyles();
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SuspendLayout();
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BorderStyle = BorderStyle.None;
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ResumeLayout(false);
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Width = 100;
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Height = 35;
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Version = UIGlobal.Version;
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Cursor = Cursors.Hand;
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base.Font = UIFontColor.Font();
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}
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/// <summary>
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/// 自定义主题风格
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/// </summary>
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[DefaultValue(false)]
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[Description("获取或设置可以自定义主题风格"), Category("SunnyUI")]
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public bool StyleCustomMode { get; set; }
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public string Version { get; }
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/// <summary>
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/// 鼠标移上图片
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/// </summary>
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[DefaultValue(typeof(Image), "null")]
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[Description("鼠标移上图片"), Category("SunnyUI")]
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public Image ImageHover
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{
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get => imageHover;
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set
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{
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imageHover = value;
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Invalidate();
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}
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}
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/// <summary>
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/// 鼠标按下图片
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/// </summary>
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[DefaultValue(typeof(Image), "null")]
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[Description("鼠标按下图片"), Category("SunnyUI")]
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public Image ImagePress
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{
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get => imagePress;
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set
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{
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imagePress = value;
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Invalidate();
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}
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}
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/// <summary>
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/// 不可用时图片
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/// </summary>
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[DefaultValue(typeof(Image), "null")]
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[Description("不可用时图片"), Category("SunnyUI")]
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public Image ImageDisabled
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{
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get => imageDisabled;
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set
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{
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imageDisabled = value;
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Invalidate();
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}
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}
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/// <summary>
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/// 选中时图片
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/// </summary>
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[DefaultValue(typeof(Image), "null")]
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[Description("选中时图片"), Category("SunnyUI")]
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public Image ImageSelected
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{
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get => imageSelected;
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set
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{
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imageSelected = value;
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Invalidate();
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}
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}
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/// <summary>
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/// 是否选中
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/// </summary>
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[DefaultValue(typeof(bool), "false")]
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[Description("是否选中"), Category("SunnyUI")]
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public bool Selected
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{
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get => selected;
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set
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{
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if (selected != value)
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{
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selected = value;
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Invalidate();
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}
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}
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}
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private void SetDefaultControlStyles()
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{
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SetStyle(ControlStyles.UserPaint, true);
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SetStyle(ControlStyles.AllPaintingInWmPaint, true);
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SetStyle(ControlStyles.DoubleBuffer, true);
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UpdateStyles();
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}
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/// <summary>
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/// 重载鼠标按下事件
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/// </summary>
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/// <param name="e">鼠标参数</param>
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protected override void OnMouseDown(MouseEventArgs e)
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{
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base.OnMouseDown(e);
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IsPress = true;
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Invalidate();
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}
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/// <summary>
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/// 重载鼠标抬起事件
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/// </summary>
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/// <param name="e">鼠标参数</param>
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protected override void OnMouseUp(MouseEventArgs e)
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{
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base.OnMouseUp(e);
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IsPress = false;
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Invalidate();
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}
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/// <summary>
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/// 重载鼠标进入事件
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/// </summary>
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/// <param name="e">鼠标参数</param>
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protected override void OnMouseEnter(EventArgs e)
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{
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base.OnMouseEnter(e);
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if (!DesignMode)
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{
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Cursor = Cursors.Hand;
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}
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IsHover = true;
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Invalidate();
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}
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/// <summary>
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/// 重载鼠标离开事件
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/// </summary>
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/// <param name="e">鼠标参数</param>
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protected override void OnMouseLeave(EventArgs e)
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{
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base.OnMouseLeave(e);
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IsHover = false;
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IsPress = false;
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Invalidate();
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}
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private Point imageOffset;
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[DefaultValue(typeof(Point), "0, 0")]
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[Description("图片偏移位置"), Category("SunnyUI")]
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public Point ImageOffset
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{
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get => imageOffset;
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set
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{
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imageOffset = value;
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Invalidate();
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}
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}
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/// <summary>
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/// 绘制按钮
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/// </summary>
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/// <param name="pe">pe</param>
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protected override void OnPaint(PaintEventArgs pe)
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{
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Image img = Image;
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if (!Enabled)
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{
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img = imageDisabled;
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}
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else
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{
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if (IsPress)
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{
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img = imagePress;
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}
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else if (IsHover)
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{
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img = imageHover;
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}
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if (Selected)
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{
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img = imageSelected;
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}
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}
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if (img == null)
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{
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img = Image;
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}
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if (img != null)
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{
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if (SizeMode == PictureBoxSizeMode.Normal)
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pe.Graphics.DrawImage(img, new Rectangle(ImageOffset.X, ImageOffset.Y, img.Width, img.Height));
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if (SizeMode == PictureBoxSizeMode.StretchImage)
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pe.Graphics.DrawImage(img, new Rectangle(0, 0, Width, Height));
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if (SizeMode == PictureBoxSizeMode.AutoSize)
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{
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Width = img.Width;
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Height = img.Height;
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pe.Graphics.DrawImage(img, new Rectangle(0, 0, img.Width, img.Height));
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}
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if (SizeMode == PictureBoxSizeMode.Zoom)
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pe.Graphics.DrawImage(img, new Rectangle(0, 0, img.Width, img.Height));
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if (SizeMode == PictureBoxSizeMode.CenterImage)
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pe.Graphics.DrawImage(img, new Rectangle((Width - img.Width) / 2, (Height - img.Height) / 2, img.Width, img.Height));
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}
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else
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{
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base.OnPaint(pe);
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}
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SizeF sf = pe.Graphics.MeasureString(Text, Font);
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switch (TextAlign)
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{
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case ContentAlignment.TopLeft:
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pe.Graphics.DrawString(text, Font, ForeColor, Padding.Left, Padding.Top);
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break;
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case ContentAlignment.TopCenter:
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pe.Graphics.DrawString(text, Font, ForeColor, (Width - sf.Width) / 2, Padding.Top);
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break;
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case ContentAlignment.TopRight:
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pe.Graphics.DrawString(text, Font, ForeColor, Width - Padding.Right - sf.Width, Padding.Top);
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break;
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case ContentAlignment.MiddleLeft:
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pe.Graphics.DrawString(text, Font, ForeColor, Padding.Left, (Height - sf.Height) / 2);
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break;
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case ContentAlignment.MiddleCenter:
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pe.Graphics.DrawString(text, Font, ForeColor, (Width - sf.Width) / 2, (Height - sf.Height) / 2);
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break;
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case ContentAlignment.MiddleRight:
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pe.Graphics.DrawString(text, Font, ForeColor, Width - Padding.Right - sf.Width, (Height - sf.Height) / 2);
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break;
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case ContentAlignment.BottomLeft:
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pe.Graphics.DrawString(text, Font, ForeColor, Padding.Left, Height - Padding.Bottom - sf.Height);
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break;
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case ContentAlignment.BottomCenter:
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pe.Graphics.DrawString(text, Font, ForeColor, (Width - sf.Width) / 2, Height - Padding.Bottom - sf.Height);
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break;
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case ContentAlignment.BottomRight:
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pe.Graphics.DrawString(text, Font, ForeColor, Width - Padding.Right - sf.Width, Height - Padding.Bottom - sf.Height);
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break;
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}
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}
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}
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} |