215 lines
7.4 KiB
C#
215 lines
7.4 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) 2012-2023 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: UIContextMenuStrip.cs
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* 文件说明: 上下文菜单
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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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* 2020-04-25: V2.2.4 更新主题配置类
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* 2022-03-19: V3.1.1 重构主题配色
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* 2023-10-17: V3.5.1 修正文字显示垂直居中
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* 2023-10-17: V3.5.1 当右键菜单未绑定ImageList，并且ImageIndex>0时，将ImageIndex绑定为Symbol绘制
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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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public sealed class UIContextMenuStrip : ContextMenuStrip, IStyleInterface, IZoomScale
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{
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private ContextMenuColorTable ColorTable = new ContextMenuColorTable();
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public UIContextMenuStrip()
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{
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Font = UIStyles.Font();
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RenderMode = ToolStripRenderMode.Professional;
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Renderer = new UIToolStripRenderer(ColorTable);
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Version = UIGlobal.Version;
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ColorTable.SetStyleColor(UIStyles.Blue);
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BackColor = UIStyles.Blue.ContextMenuColor;
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}
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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), DefaultValue(typeof(Rectangle), "0, 0, 0, 0")]
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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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private float DefaultFontSize = -1;
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public void SetDPIScale()
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{
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if (!UIDPIScale.NeedSetDPIFont()) return;
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if (DefaultFontSize < 0) DefaultFontSize = this.Font.Size;
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this.SetDPIScaleFont(DefaultFontSize);
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}
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protected override void OnOpening(CancelEventArgs e)
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{
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base.OnOpening(e);
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SetDPIScale();
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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), Browsable(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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/// <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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/// <summary>
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/// 设置主题样式
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/// </summary>
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/// <param name="style">主题样式</param>
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private 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 == UIStyle.Inherited ? UIStyle.Inherited : UIStyle.Custom;
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}
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public void SetInheritedStyle(UIStyle style)
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{
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SetStyle(style);
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_style = UIStyle.Inherited;
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}
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public void SetStyleColor(UIBaseStyle uiColor)
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{
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ColorTable.SetStyleColor(uiColor);
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BackColor = uiColor.ContextMenuColor;
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ForeColor = uiColor.ContextMenuForeColor;
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}
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public string Version { get; }
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private UIStyle _style = UIStyle.Blue;
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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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public void CalcHeight()
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{
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if (Items.Count > 0 && !AutoSize)
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{
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int height = 0;
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foreach (ToolStripItem item in Items)
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{
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height += item.Height;
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}
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Height = height + 4;
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}
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}
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}
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internal class UIToolStripRenderer : ToolStripProfessionalRenderer
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{
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public UIToolStripRenderer() { }
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public UIToolStripRenderer(ProfessionalColorTable professionalColorTable) : base(professionalColorTable) { }
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protected override void OnRenderItemText(ToolStripItemTextRenderEventArgs e)
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{
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//调整文本区域的位置和大小以实现垂直居中
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Rectangle textRect = new Rectangle(e.TextRectangle.Left, e.Item.ContentRectangle.Top, e.TextRectangle.Width, e.Item.ContentRectangle.Height);
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//设置文本绘制格式
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TextFormatFlags flags = TextFormatFlags.VerticalCenter | TextFormatFlags.SingleLine;
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//绘制文本
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TextRenderer.DrawText(e.Graphics, e.Text, e.TextFont, textRect, e.TextColor, flags);
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//当右键菜单未绑定ImageList，并且ImageIndex>0时，将ImageIndex绑定为Symbol绘制
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ToolStripItem item = e.Item;
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while (!(item.Owner is ContextMenuStrip))
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{
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if (item.Owner is ToolStripDropDownMenu)
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item = item.OwnerItem;
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}
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ContextMenuStrip ownerContextMenu = item.Owner as ContextMenuStrip;
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if (ownerContextMenu.ImageList != null) return;
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if (e.Item.ImageIndex <= 0) return;
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if (e.Item.Image != null) return;
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Rectangle imageRect = new Rectangle(0, e.Item.ContentRectangle.Top, e.TextRectangle.Left, e.Item.ContentRectangle.Height);
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e.Graphics.DrawFontImage(e.Item.ImageIndex, 24, e.TextColor, imageRect);
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}
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}
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internal class ContextMenuColorTable : ProfessionalColorTable
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{
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private UIBaseStyle StyleColor = UIStyles.GetStyleColor(UIStyle.Blue);
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public void SetStyleColor(UIBaseStyle color)
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{
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StyleColor = color;
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}
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public override Color MenuItemSelected => StyleColor.ContextMenuSelectedColor;
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public override Color MenuItemPressedGradientBegin => StyleColor.ButtonFillPressColor;
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public override Color MenuItemPressedGradientMiddle => StyleColor.ButtonFillPressColor;
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public override Color MenuItemPressedGradientEnd => StyleColor.ButtonFillPressColor;
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public override Color MenuBorder => StyleColor.ButtonRectColor;
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public override Color MenuItemBorder => StyleColor.PrimaryColor;
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public override Color ImageMarginGradientBegin => StyleColor.ContextMenuColor;
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public override Color ImageMarginGradientEnd => StyleColor.ContextMenuColor;
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public override Color ImageMarginGradientMiddle => StyleColor.ContextMenuColor;
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}
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} |