301 lines
10 KiB
C#
301 lines
10 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: UIToolTip.cs
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* 文件说明: 提示
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* 当前版本: V3.1
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* 创建日期: 2020-07-21
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*
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* 2020-07-21: V2.2.6 增加控件
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* 2020-07-25: V2.2.6 更新绘制
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* 2021-08-16: V3.0.6 增加ToolTip接口，解决类似UITextBox这类的组合控件无法显示ToolTip的问题
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* 2021-12-09: V3.0.9 修复默认显示
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******************************************************************************/
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using System;
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using System.Collections.Concurrent;
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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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[ProvideProperty("ToolTip", typeof(Control))]
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[DefaultEvent("Popup")]
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[ToolboxItemFilter("System.Windows.Forms")]
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public class UIToolTip : ToolTip
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{
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private readonly ConcurrentDictionary<Control, ToolTipControl> ToolTipControls =
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new ConcurrentDictionary<Control, ToolTipControl>();
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public UIToolTip()
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{
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InitOwnerDraw();
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}
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public UIToolTip(IContainer cont)
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: base(cont)
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{
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InitOwnerDraw();
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}
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protected override void Dispose(bool disposing)
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{
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base.Dispose(disposing);
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tmpTitleFont?.Dispose();
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tmpFont?.Dispose();
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}
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[DefaultValue(typeof(Font), "微软雅黑, 9pt"), Description("字体"), Category("SunnyUI")]
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public Font Font { get; set; } = new Font("微软雅黑", 9);
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[DefaultValue(typeof(Font), "微软雅黑, 12pt"), Description("标题字体"), Category("SunnyUI")]
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public Font TitleFont { get; set; } = new Font("微软雅黑", 12);
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[DefaultValue(typeof(Color), "239, 239, 239"), Description("边框颜色"), Category("SunnyUI")]
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public Color RectColor { get; set; } = UIChartStyles.Dark.ForeColor;
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[DefaultValue(true), Description("自动大小"), Category("SunnyUI")]
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public bool AutoSize { get; set; } = true;
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[DefaultValue(typeof(Size), "100, 70"), Description("不自动缩放时大小"), Category("SunnyUI")]
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public Size Size { get; set; } = new Size(100, 70);
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public new void SetToolTip(Control control, string caption)
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{
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base.SetToolTip(control, caption);
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if (control is IToolTip toolTip)
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{
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base.SetToolTip(toolTip.ExToolTipControl(), caption);
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}
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}
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public void SetToolTip(Control control, string caption, string title, int symbol, int symbolSize,
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Color symbolColor)
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{
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if (title == null) title = string.Empty;
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if (ToolTipControls.ContainsKey(control))
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{
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ToolTipControls[control].Title = title;
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ToolTipControls[control].ToolTipText = caption;
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ToolTipControls[control].Symbol = symbol;
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ToolTipControls[control].SymbolSize = symbolSize;
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ToolTipControls[control].SymbolColor = symbolColor;
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}
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else
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{
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var ctrl = new ToolTipControl()
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{
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Control = control,
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Title = title,
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ToolTipText = caption,
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Symbol = symbol,
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SymbolSize = symbolSize,
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SymbolColor = symbolColor
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};
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ToolTipControls.TryAdd(control, ctrl);
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}
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if (control is IToolTip toolTip)
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{
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SetToolTip(toolTip.ExToolTipControl(), caption, title, symbol, symbolSize, symbolColor);
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}
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base.SetToolTip(control, caption);
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}
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public void SetToolTip(Control control, string caption, string title)
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{
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if (title == null) title = string.Empty;
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if (ToolTipControls.ContainsKey(control))
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{
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ToolTipControls[control].Title = title;
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ToolTipControls[control].ToolTipText = caption;
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}
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else
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{
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var ctrl = new ToolTipControl()
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{
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Control = control,
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Title = title,
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ToolTipText = caption
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};
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ToolTipControls.TryAdd(control, ctrl);
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}
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if (control is IToolTip toolTip)
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{
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SetToolTip(toolTip.ExToolTipControl(), caption, title);
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}
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base.SetToolTip(control, caption);
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}
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public void RemoveToolTip(Control control)
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{
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if (ToolTipControls.ContainsKey(control))
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{
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ToolTipControls.TryRemove(control, out _);
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}
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if (control is IToolTip toolTip)
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{
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RemoveToolTip(toolTip.ExToolTipControl());
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}
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}
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private void InitOwnerDraw()
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{
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OwnerDraw = true;
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Draw += ToolTipExDraw;
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Popup += UIToolTip_Popup;
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BackColor = UIChartStyles.Dark.BackColor;
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ForeColor = UIChartStyles.Dark.ForeColor;
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RectColor = UIChartStyles.Dark.ForeColor;
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}
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private void UIToolTip_Popup(object sender, PopupEventArgs e)
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{
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if (ToolTipControls.ContainsKey(e.AssociatedControl))
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{
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var tooltip = ToolTipControls[e.AssociatedControl];
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if (tooltip.ToolTipText.IsValid())
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{
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if (!AutoSize)
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{
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e.ToolTipSize = Size;
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}
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else
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{
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int symbolWidth = tooltip.Symbol > 0 ? tooltip.SymbolSize : 0;
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SizeF titleSize = new SizeF(0, 0);
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if (tooltip.Title.IsValid())
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{
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titleSize = GDI.MeasureString(tooltip.Title, TempTitleFont);
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}
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SizeF textSize = GDI.MeasureString(tooltip.ToolTipText, TempFont);
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int allWidth = (int)Math.Max(textSize.Width, titleSize.Width) + 10;
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if (symbolWidth > 0) allWidth = allWidth + symbolWidth + 5;
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int allHeight = titleSize.Height > 0 ?
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(int)titleSize.Height + (int)textSize.Height + 15 :
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(int)textSize.Height + 10;
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e.ToolTipSize = new Size(allWidth, allHeight);
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}
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}
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}
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else
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{
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SizeF sf = GDI.MeasureString(GetToolTip(e.AssociatedControl), TempFont);
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e.ToolTipSize = sf.Size().Add(10, 10);
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}
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}
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Font tmpFont;
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private Font TempFont
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{
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get
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{
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if (tmpFont == null || !tmpFont.Size.EqualsFloat(Font.DPIScaleFontSize()))
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{
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tmpFont?.Dispose();
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tmpFont = Font.DPIScaleFont();
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}
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return tmpFont;
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}
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}
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Font tmpTitleFont;
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private Font TempTitleFont
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{
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get
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{
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if (tmpTitleFont == null || !tmpTitleFont.Size.EqualsFloat(TitleFont.DPIScaleFontSize()))
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{
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tmpTitleFont?.Dispose();
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tmpTitleFont = TitleFont.DPIScaleFont();
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}
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return tmpTitleFont;
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}
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}
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private void ToolTipExDraw(object sender, DrawToolTipEventArgs e)
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{
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var bounds = new Rectangle(e.Bounds.Left, e.Bounds.Top, e.Bounds.Width - 1, e.Bounds.Height - 1);
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e.Graphics.FillRectangle(BackColor, bounds);
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e.Graphics.DrawRectangle(RectColor, bounds);
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if (ToolTipControls.ContainsKey(e.AssociatedControl))
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{
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var tooltip = ToolTipControls[e.AssociatedControl];
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if (tooltip.Symbol > 0)
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{
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e.Graphics.DrawFontImage(tooltip.Symbol, tooltip.SymbolSize, tooltip.SymbolColor, new Rectangle(5, 5, tooltip.SymbolSize, tooltip.SymbolSize));
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}
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int symbolWidth = tooltip.Symbol > 0 ? tooltip.SymbolSize : 0;
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SizeF titleSize = new SizeF(0, 0);
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if (tooltip.Title.IsValid())
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{
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if (tooltip.Title.IsValid())
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{
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titleSize = e.Graphics.MeasureString(tooltip.Title, TempTitleFont);
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}
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e.Graphics.DrawString(tooltip.Title, TempTitleFont, ForeColor,
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tooltip.Symbol > 0 ? tooltip.SymbolSize + 5 : 5, 5);
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}
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if (titleSize.Height > 0)
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{
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e.Graphics.DrawLine(ForeColor,
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symbolWidth == 0 ? 5 : symbolWidth + 5, 5 + titleSize.Height + 3,
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e.Bounds.Width - 5, 5 + titleSize.Height + 3);
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}
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e.Graphics.DrawString(e.ToolTipText, TempFont, ForeColor,
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tooltip.Symbol > 0 ? tooltip.SymbolSize + 5 : 5,
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titleSize.Height > 0 ? 10 + titleSize.Height : 5);
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}
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else
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{
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e.Graphics.DrawString(e.ToolTipText, TempFont, ForeColor, 5, 5);
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}
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}
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public class ToolTipControl : ISymbol
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{
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public Control Control { get; set; }
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public string Title { get; set; }
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public string ToolTipText { get; set; }
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public int Symbol { get; set; }
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public int SymbolSize { get; set; } = 32;
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public Point SymbolOffset { get; set; } = new Point(0, 0);
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public Color SymbolColor { get; set; } = UIChartStyles.Dark.ForeColor;
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}
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}
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} |