/// <summary>
/// 提示信息控件
/// </summary>
[ToolboxItem(true)]
[DefaultProperty("TitleShow")]
[DefaultEvent("Popup")]
[Description("提示信息控件")]
public partial class ToolTipExt : ToolTip
{
#region
private ToolTipAnchor toolAnchor = ToolTipAnchor.TopCenter;
/// <summary>
/// 提示框位置
/// </summary>
[Browsable(false)]
[DefaultValue(ToolTipAnchor.TopCenter)]
[Description("提示框位置")]
public ToolTipAnchor ToolAnchor
{
get { return this.toolAnchor; }
set
{
if (this.toolAnchor == value)
return;
this.toolAnchor = value;
this.InitializeComponent();
}
}
private int anchorDistance = 20;
/// <summary>
/// 提示框位置距离
/// </summary>
[DefaultValue(20)]
[Description("提示框位置距离")]
public int AnchorDistance
{
get { return this.anchorDistance; }
set
{
if (this.anchorDistance == value || value < 0)
return;
this.anchorDistance = value;
this.InitializeComponent();
}
}
private int padding = 3;
/// <summary>
/// 内边距
/// </summary>
[DefaultValue(3)]
[Description("内边距")]
public int Padding
{
get { return this.padding; }
set
{
if (this.padding == value || value < 0)
return;
this.padding = value;
this.InitializeComponent();
}
}
private Size minSize = new Size(20, 10);
/// <summary>
/// 内容最小大小
/// </summary>
[DefaultValue(typeof(Size), "20,10")]
[Description("内容最小大小")]
public Size MinSize
{
get { return this.minSize; }
set
{
if (this.minSize == value || value.Width < 0 || value.Height < 0)
return;
this.minSize = value;
this.InitializeComponent();
}
}
private Size maxSize = new Size(0, 0);
/// <summary>
/// 内容最大大小
/// </summary>
[DefaultValue(typeof(Size), "0,0")]
[Description("内容最大大小")]
public Size MaxSize
{
get { return this.maxSize; }
set
{
if (this.maxSize == value || value.Width < 0 || value.Height < 0)
return;
this.maxSize = value;
this.InitializeComponent();
}
}
#region 标题
private bool titleShow = false;
/// <summary>
/// 是否显示标题
/// </summary>
[DefaultValue(false)]
[Description("是否显示标题")]
public bool TitleShow
{
get { return this.titleShow; }
set
{
if (this.titleShow == value)
return;
this.titleShow = value;
this.InitializeComponent();
}
}
private int titleHeight = 26;
/// <summary>
/// 标题高度
/// </summary>
[DefaultValue(26)]
[Description("标题高度")]
public int TitleHeight
{
get { return this.titleHeight; }
set
{
if (this.titleHeight == value)
return;
this.titleHeight = value;
this.InitializeComponent();
}
}
private TiTleAnchor titleStation = TiTleAnchor.Top;
/// <summary>
/// 提示框标题位置
/// </summary>
[DefaultValue(TiTleAnchor.Top)]
[Description("提示框标题位置")]
public TiTleAnchor TitleStation
{
get { return this.titleStation; }
set
{
if (this.titleStation == value)
return;
this.titleStation = value;
this.InitializeComponent();
}
}
private Font titleFont = new Font("宋体", 11);
/// <summary>
/// 标题字体
/// </summary>
[DefaultValue(typeof(Font), "宋体, 11pt")]
[Description("标题字体")]
public Font TitleFont
{
get { return this.titleFont; }
set
{
if (this.titleFont == value)
return;
this.titleFont = value;
this.InitializeComponent();
}
}
private Color titleBackColor = Color.FromArgb(192, 206, 55);
/// <summary>
/// 标题背景颜色
/// </summary>
[DefaultValue(typeof(Color), "192, 206, 55")]
[Description("标题背景颜色")]
public Color TitleBackColor
{
get { return this.titleBackColor; }
set
{
if (this.titleBackColor == value)
return;
this.titleBackColor = value;
this.InitializeComponent();
}
}
private Color titleColor = Color.FromArgb(255, 255, 255);
/// <summary>
/// 标题颜色
/// </summary>
[DefaultValue(typeof(Color), "255, 255, 255")]
[Description("标题颜色")]
public Color TitleColor
{
get { return this.titleColor; }
set
{
if (this.titleColor == value)
return;
this.titleColor = value;
this.InitializeComponent();
}
}
#endregion
#region 文本
private Font font = new Font("宋体", 10);
/// <summary>
/// 文本字体
/// </summary>
[DefaultValue(typeof(Font), "宋体, 10pt")]
[Description("文本字体")]
public Font Font
{
get { return this.font; }
set
{
if (this.font == value)
return;
this.font = value;
this.InitializeComponent();
}
}
#endregion
#endregion
public ToolTipExt()
{
this.OwnerDraw = true;
this.BackColor = Color.FromArgb(255, 255, 255);
this.ForeColor = Color.FromArgb(245, 168, 154);
this.Popup += new PopupEventHandler(this.ToolTipExt_Popup);
this.Draw += new System.Windows.Forms.DrawToolTipEventHandler(this.ToolTipExt_Draw);
}
private void ToolTipExt_Popup(object sender, PopupEventArgs e)
{
e.ToolTipSize = this.GetToolTipSize(e.AssociatedControl);
}
private void ToolTipExt_Draw(object sender, DrawToolTipEventArgs e)
{
#region 背景
SolidBrush back_sb = new SolidBrush(this.BackColor);
e.Graphics.FillRectangle(back_sb, e.Bounds);
back_sb.Dispose();
#endregion
#region 标题
Rectangle titleback_rect = new Rectangle();
if (this.TitleShow)
{
StringFormat title_sf = new StringFormat();
if (this.TitleStation == TiTleAnchor.Left || this.TitleStation == TiTleAnchor.Right)
title_sf.FormatFlags = StringFormatFlags.DirectionVertical;
Size title_size = e.Graphics.MeasureString(this.ToolTipTitle, this.TitleFont, 0, title_sf).ToSize();
Rectangle title_rect = new Rectangle();
if (this.TitleStation == TiTleAnchor.Top)
{
titleback_rect = new Rectangle(e.Bounds.X, e.Bounds.Y, e.Bounds.Width, this.TitleHeight);
title_rect = new Rectangle(titleback_rect.X + this.Padding, titleback_rect.Y + (titleback_rect.Height - title_size.Height) / 2, titleback_rect.Width - this.Padding * 2, titleback_rect.Height - this.Padding * 2);
}
else if (this.TitleStation == TiTleAnchor.Bottom)
{
titleback_rect = new Rectangle(e.Bounds.X, e.Bounds.Bottom - this.TitleHeight, e.Bounds.Width, this.TitleHeight);
title_rect = new Rectangle(titleback_rect.X + this.Padding, e.Bounds.Bottom - titleback_rect.Height + (titleback_rect.Height - title_size.Height) / 2, titleback_rect.Width - this.Padding * 2, titleback_rect.Height - this.Padding * 2);
}
else if (this.TitleStation == TiTleAnchor.Left)
{
titleback_rect = new Rectangle(e.Bounds.X, e.Bounds.Y, this.TitleHeight, e.Bounds.Height);
title_rect = new Rectangle(titleback_rect.X + (titleback_rect.Width - title_size.Width) / 2, titleback_rect.Y + this.Padding, titleback_rect.Width - this.Padding * 2, titleback_rect.Height - this.Padding * 2);
}
else if (this.TitleStation == TiTleAnchor.Right)
{
titleback_rect = new Rectangle(e.Bounds.Right - this.TitleHeight, e.Bounds.Y, this.TitleHeight, e.Bounds.Height);
title_rect = new Rectangle(titleback_rect.Right - titleback_rect.Width + (titleback_rect.Width - title_size.Width) / 2, titleback_rect.Y + this.Padding, titleback_rect.Width - this.Padding * 2, titleback_rect.Height - this.Padding * 2);
}
if (this.TitleBackColor != Color.Empty)
{
SolidBrush titleback_sb = new SolidBrush(this.TitleBackColor);
e.Graphics.FillRectangle(titleback_sb, titleback_rect);
titleback_sb.Dispose();
}
SolidBrush title_sb = new SolidBrush(this.TitleColor);
e.Graphics.DrawString(this.ToolTipTitle, this.TitleFont, title_sb, title_rect, title_sf);
title_sb.Dispose();
title_sf.Dispose();
}
#endregion
#region 内容
Size text_size = e.Graphics.MeasureString(e.ToolTipText, this.Font).ToSize();
Rectangle text_rect = new Rectangle();
if (this.TitleStation == TiTleAnchor.Top)
{
text_rect = new Rectangle(e.Bounds.X + this.Padding, titleback_rect.Bottom + this.Padding, e.Bounds.Width, e.Bounds.Height - titleback_rect.Height);
}
else if (this.TitleStation == TiTleAnchor.Bottom)
{
text_rect = new Rectangle(e.Bounds.X + this.Padding, e.Bounds.Y + this.Padding, e.Bounds.Width, e.Bounds.Height - titleback_rect.Height);
}
else if (this.TitleStation == TiTleAnchor.Left)
{
text_rect = new Rectangle(e.Bounds.X + titleback_rect.Width + this.Padding, e.Bounds.Y + this.Padding, e.Bounds.Width, e.Bounds.Height - titleback_rect.Height);
}
else if (this.TitleStation == TiTleAnchor.Right)
{
text_rect = new Rectangle(e.Bounds.X + this.Padding, e.Bounds.Y + this.Padding, e.Bounds.Width, e.Bounds.Height - titleback_rect.Height);
}
SolidBrush text_sb = new SolidBrush(this.ForeColor);
e.Graphics.DrawString(e.ToolTipText, this.Font, text_sb, text_rect);
text_sb.Dispose();
#endregion
}
/// <summary>
/// 设置与指定控件关联的工具提示文本，然后在指定的相对位置以模式方式显示该工具提示。
/// </summary>
/// <param name="text">包含新工具提示文本的 System.String。</param>
/// <param name="window">要为其显示工具提示的 System.Windows.Forms.Control。</param>
/// <param name="anchor">工具提示的位置</param>
public void Show(string text, IWin32Window window, ToolTipAnchor anchor)
{
this.toolAnchor = anchor;
Control control = (Control)window;
Size size = this.GetToolTipSize(control, text);
Point point = new Point(0, 0);
if (this.ToolAnchor == ToolTipAnchor.TopCenter)
{
point = new Point((control.Width - size.Width) / 2, -this.AnchorDistance - size.Height);
}
else if (this.ToolAnchor == ToolTipAnchor.BottomCenter)
{
point = new Point((control.Width - size.Width) / 2, control.Height + this.AnchorDistance);
}
else if (this.ToolAnchor == ToolTipAnchor.LeftCenter)
{
point = new Point(-(size.Width + this.AnchorDistance), (control.Height - size.Height) / 2);
}
else if (this.ToolAnchor == ToolTipAnchor.RightCenter)
{
point = new Point(control.Width + this.AnchorDistance, (control.Height - size.Height) / 2);
}
this.Show(text, window, point);
}
/// <summary>
/// 设置与指定控件关联的工具提示文本，然后在指定的相对位置以模式方式显示该工具提示。
/// </summary>
/// <param name="text">包含新工具提示文本的 System.String。</param>
/// <param name="window">要为其显示工具提示的 System.Windows.Forms.Control。</param>
/// <param name="anchor">工具提示的位置</param>
/// <param name="duration">包含工具提示持续显示时间（以毫秒为单位）的 System.Int32。</param>
public void Show(string text, IWin32Window window, ToolTipAnchor anchor, int duration)
{
this.toolAnchor = anchor;
Control control = (Control)window;
Size size = this.GetToolTipSize(control, text);
Point point = new Point(0, 0);
if (this.ToolAnchor == ToolTipAnchor.TopCenter)
{
point = new Point((control.Width - size.Width) / 2, -this.AnchorDistance - size.Height);
}
else if (this.ToolAnchor == ToolTipAnchor.BottomCenter)
{
point = new Point((control.Width - size.Width) / 2, control.Height + this.AnchorDistance);
}
else if (this.ToolAnchor == ToolTipAnchor.LeftCenter)
{
point = new Point(-this.AnchorDistance - size.Width, (control.Height - size.Height) / 2);
}
else if (this.ToolAnchor == ToolTipAnchor.RightCenter)
{
point = new Point(control.Width + this.AnchorDistance, (control.Height - size.Height) / 2);
}
this.Show(text, window, point, duration);
}
/// <summary>
/// 通过文本计算工具提示大小(text为null时根据control的文本计算)
/// </summary>
/// <param name="control">要为其检索 System.Windows.Forms.ToolTip 文本的 System.Windows.Forms.Control。</param>
/// <param name="text">要计算的文本</param>
/// <returns></returns>
private Size GetToolTipSize(Control control, string text = null)
{
string text_str = text == null ? this.GetToolTip(control) : text;
Size text_size = TextRenderer.MeasureText(text_str, this.Font);
text_size.Width += this.Padding * 2;
text_size.Height += this.Padding * 2;
if (this.MinSize.Width > 0 && this.MinSize.Width > text_size.Width)
text_size.Width = this.MinSize.Width;
if (this.MinSize.Height > 0 && this.MinSize.Height > text_size.Height)
text_size.Height = this.MinSize.Height;
if (this.MaxSize.Width > 0 && text_size.Width > this.MaxSize.Width)
text_size.Width = this.MaxSize.Width;
if (this.MaxSize.Height > 0 && text_size.Height > this.MaxSize.Height)
text_size.Height = this.MaxSize.Height;
if (this.TitleShow)
{
if (this.TitleStation == TiTleAnchor.Top || this.TitleStation == TiTleAnchor.Bottom)
{
text_size.Height += this.TitleHeight;
}
else
{
text_size.Width += this.TitleHeight;
}
}
return text_size;
}
protected override void Dispose(bool disposing)
{
if (disposing && (components != null))
{
components.Dispose();
}
base.Dispose(disposing);
}
/// <summary>
/// 提示框标题位置
/// </summary>
[Description("提示框标题位置")]
public enum TiTleAnchor
{
/// <summary>
/// 顶部
/// </summary>
Top,
/// <summary>
/// 左边
/// </summary>
Left,
/// <summary>
/// 右边
/// </summary>
Right,
/// <summary>
/// 下边
/// </summary>
Bottom
}
/// <summary>
/// 提示框位置
/// </summary>
[Description("提示框位置")]
public enum ToolTipAnchor
{
/// <summary>
/// 顶部居中
/// </summary>
TopCenter,
/// <summary>
/// 左边居中
/// </summary>
LeftCenter,
/// <summary>
/// 右边居中
/// </summary>
RightCenter,
/// <summary>
/// 下边居中
/// </summary>
BottomCenter
}
}
源码下载：ToolTip提示美化控件.zip
原文地址：https://www.cnblogs.com/tlmbem/p/11420004.html
时间： 2024-10-07 11:38:31