344 lines
12 KiB
C#
344 lines
12 KiB
C#
// ***********************************************************************
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// Assembly : HZH_Controls
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// Created : 2019-09-10
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//
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// ***********************************************************************
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// <copyright file="UCArrow.cs">
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// Copyright by Huang Zhenghui(黄正辉) All, QQ group:568015492 QQ:623128629 Email:623128629@qq.com
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// </copyright>
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//
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// Blog: https://www.cnblogs.com/bfyx
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// GitHub：https://github.com/kwwwvagaa/NetWinformControl
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// gitee：https://gitee.com/kwwwvagaa/net_winform_custom_control.git
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//
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// If you use this code, please keep this note.
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// ***********************************************************************
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using System;
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using System.Collections.Generic;
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using System.Linq;
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using System.Text;
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using System.Windows.Forms;
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using System.Drawing;
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using System.Drawing.Drawing2D;
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using System.ComponentModel;
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namespace HZH_Controls.Controls
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{
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/// <summary>
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/// Class UCArrow.
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/// Implements the <see cref="System.Windows.Forms.UserControl" />
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/// </summary>
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/// <seealso cref="System.Windows.Forms.UserControl" />
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public class UCArrow : UserControl
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{
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/// <summary>
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/// The arrow color
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/// </summary>
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private Color arrowColor = Color.FromArgb(255, 77, 59);
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/// <summary>
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/// Gets or sets the color of the arrow.
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/// </summary>
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/// <value>The color of the arrow.</value>
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[Description("箭头颜色"), Category("自定义")]
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public Color ArrowColor
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{
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get { return arrowColor; }
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set
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{
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arrowColor = value;
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Refresh();
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}
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}
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/// <summary>
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/// The border color
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/// </summary>
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private Color? borderColor = null;
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/// <summary>
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/// Gets or sets the color of the border.
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/// </summary>
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/// <value>The color of the border.</value>
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[Description("箭头边框颜色，为空则无边框"), Category("自定义")]
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public Color? BorderColor
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{
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get { return borderColor; }
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set
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{
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borderColor = value;
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Refresh();
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}
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}
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/// <summary>
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/// The direction
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/// </summary>
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private ArrowDirection direction = ArrowDirection.Right;
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/// <summary>
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/// Gets or sets the direction.
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/// </summary>
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/// <value>The direction.</value>
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[Description("箭头方向"), Category("自定义")]
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public ArrowDirection Direction
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{
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get { return direction; }
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set
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{
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direction = value;
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ResetPath();
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Refresh();
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}
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}
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/// <summary>
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/// 获取或设置控件显示的文字的字体。
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/// </summary>
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/// <value>The font.</value>
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/// <PermissionSet>
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/// <IPermission class="System.Security.Permissions.EnvironmentPermission, mscorlib, Version=2.0.3600.0, Culture=neutral, PublicKeyToken=b77a5c561934e089" version="1" Unrestricted="true" />
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/// <IPermission class="System.Security.Permissions.FileIOPermission, mscorlib, Version=2.0.3600.0, Culture=neutral, PublicKeyToken=b77a5c561934e089" version="1" Unrestricted="true" />
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/// <IPermission class="System.Security.Permissions.SecurityPermission, mscorlib, Version=2.0.3600.0, Culture=neutral, PublicKeyToken=b77a5c561934e089" version="1" Flags="UnmanagedCode, ControlEvidence" />
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/// <IPermission class="System.Diagnostics.PerformanceCounterPermission, System, Version=2.0.3600.0, Culture=neutral, PublicKeyToken=b77a5c561934e089" version="1" Unrestricted="true" />
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/// </PermissionSet>
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public override Font Font
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{
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get
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{
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return base.Font;
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}
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set
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{
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base.Font = value;
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Refresh();
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}
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}
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/// <summary>
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/// 获取或设置控件的前景色。
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/// </summary>
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/// <value>The color of the fore.</value>
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/// <PermissionSet>
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/// <IPermission class="System.Security.Permissions.FileIOPermission, mscorlib, Version=2.0.3600.0, Culture=neutral, PublicKeyToken=b77a5c561934e089" version="1" Unrestricted="true" />
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/// </PermissionSet>
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public override Color ForeColor
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{
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get
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{
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return base.ForeColor;
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}
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set
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{
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base.ForeColor = value;
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Refresh();
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}
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}
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/// <summary>
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/// The text
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/// </summary>
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private string text;
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/// <summary>
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/// Gets or sets the text.
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/// </summary>
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/// <value>The text.</value>
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[Bindable(true)]
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[Browsable(true)]
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[DesignerSerializationVisibility(DesignerSerializationVisibility.Visible)]
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[EditorBrowsable(EditorBrowsableState.Always)]
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[Localizable(true)]
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[Description("箭头文字"), Category("自定义")]
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public override string Text
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{
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get
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{
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return text;
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}
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set
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{
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text = value;
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Refresh();
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}
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}
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/// <summary>
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/// The m path
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/// </summary>
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GraphicsPath m_path;
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/// <summary>
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/// Initializes a new instance of the <see cref="UCArrow" /> class.
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/// </summary>
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public UCArrow()
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{
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this.SetStyle(ControlStyles.AllPaintingInWmPaint, true);
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this.SetStyle(ControlStyles.DoubleBuffer, true);
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this.SetStyle(ControlStyles.ResizeRedraw, true);
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this.SetStyle(ControlStyles.Selectable, true);
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this.SetStyle(ControlStyles.SupportsTransparentBackColor, true);
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this.SetStyle(ControlStyles.UserPaint, true);
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this.ForeColor = Color.White;
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this.AutoScaleMode = System.Windows.Forms.AutoScaleMode.None;
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this.SizeChanged += UCArrow_SizeChanged;
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this.Size = new Size(100, 50);
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}
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/// <summary>
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/// Handles the SizeChanged event of the UCArrow control.
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/// </summary>
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/// <param name="sender">The source of the event.</param>
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/// <param name="e">The <see cref="EventArgs" /> instance containing the event data.</param>
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void UCArrow_SizeChanged(object sender, EventArgs e)
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{
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ResetPath();
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}
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/// <summary>
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/// Resets the path.
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/// </summary>
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private void ResetPath()
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{
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Point[] ps = null;
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switch (direction)
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{
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case ArrowDirection.Left:
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ps = new Point[]
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{
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new Point(0,this.Height/2),
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new Point(40,0),
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new Point(40,this.Height/4),
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new Point(this.Width-1,this.Height/4),
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new Point(this.Width-1,this.Height-this.Height/4),
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new Point(40,this.Height-this.Height/4),
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new Point(40,this.Height),
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new Point(0,this.Height/2)
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};
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break;
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case ArrowDirection.Right:
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ps = new Point[]
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{
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new Point(0,this.Height/4),
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new Point(this.Width-40,this.Height/4),
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new Point(this.Width-40,0),
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new Point(this.Width-1,this.Height/2),
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new Point(this.Width-40,this.Height),
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new Point(this.Width-40,this.Height-this.Height/4),
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new Point(0,this.Height-this.Height/4),
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new Point(0,this.Height/4)
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};
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break;
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case ArrowDirection.Top:
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ps = new Point[]
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{
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new Point(this.Width/2,0),
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new Point(this.Width,40),
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new Point(this.Width-this.Width/4,40),
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new Point(this.Width-this.Width/4,this.Height-1),
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new Point(this.Width/4,this.Height-1),
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new Point(this.Width/4,40),
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new Point(0,40),
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new Point(this.Width/2,0),
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};
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break;
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case ArrowDirection.Bottom:
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ps = new Point[]
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{
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new Point(this.Width-this.Width/4,0),
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new Point(this.Width-this.Width/4,this.Height-40),
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new Point(this.Width,this.Height-40),
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new Point(this.Width/2,this.Height-1),
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new Point(0,this.Height-40),
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new Point(this.Width/4,this.Height-40),
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new Point(this.Width/4,0),
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new Point(this.Width-this.Width/4,0),
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};
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break;
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case ArrowDirection.Left_Right:
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ps = new Point[]
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{
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new Point(0,this.Height/2),
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new Point(40,0),
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new Point(40,this.Height/4),
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new Point(this.Width-40,this.Height/4),
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new Point(this.Width-40,0),
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new Point(this.Width-1,this.Height/2),
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new Point(this.Width-40,this.Height),
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new Point(this.Width-40,this.Height-this.Height/4),
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new Point(40,this.Height-this.Height/4),
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new Point(40,this.Height),
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new Point(0,this.Height/2),
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};
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break;
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case ArrowDirection.Top_Bottom:
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ps = new Point[]
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{
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new Point(this.Width/2,0),
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new Point(this.Width,40),
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new Point(this.Width-this.Width/4,40),
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new Point(this.Width-this.Width/4,this.Height-40),
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new Point(this.Width,this.Height-40),
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new Point(this.Width/2,this.Height-1),
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new Point(0,this.Height-40),
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new Point(this.Width/4,this.Height-40),
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new Point(this.Width/4,40),
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new Point(0,40),
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new Point(this.Width/2,0),
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};
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break;
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}
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m_path = new GraphicsPath();
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m_path.AddLines(ps);
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m_path.CloseAllFigures();
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}
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/// <summary>
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/// 引发 <see cref="E:System.Windows.Forms.Control.Paint" /> 事件。
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/// </summary>
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/// <param name="e">包含事件数据的 <see cref="T:System.Windows.Forms.PaintEventArgs" />。</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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var g = e.Graphics;
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g.SetGDIHigh();
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base.Region = new Region(m_path);
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g.FillPath(new SolidBrush(arrowColor), m_path);
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if (borderColor != null && borderColor != Color.Empty)
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g.DrawPath(new Pen(new SolidBrush(borderColor.Value)), m_path);
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if (!string.IsNullOrEmpty(text))
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{
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var size = g.MeasureString(Text, Font);
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g.DrawString(Text, Font, new SolidBrush(ForeColor), new PointF((this.Width - size.Width) / 2, (this.Height - size.Height) / 2));
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}
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}
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}
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/// <summary>
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/// Enum ArrowDirection
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/// </summary>
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public enum ArrowDirection
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{
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/// <summary>
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/// The left
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/// </summary>
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Left,
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/// <summary>
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/// The right
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/// </summary>
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Right,
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/// <summary>
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/// The top
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/// </summary>
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Top,
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/// <summary>
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/// The bottom
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/// </summary>
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Bottom,
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/// <summary>
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/// The left right
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/// </summary>
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Left_Right,
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/// <summary>
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/// The top bottom
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/// </summary>
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Top_Bottom
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}
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}
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