public FmTester()
{
this.DoubleBuffered = true;
InitializeComponent();
_style = new TipStyle();
propertyGrid1.SelectedObject = _style;
}
/// <summary>
/// 显示消息
/// </summary>
/// <param name="text">消息文本</param>
/// <param name="style">消息样式。不指定则使用默认样式</param>
/// <param name="delay">消息停留时长(ms)。为负时使用全局时长</param>
/// <param name="floating">是否漂浮，不指定则使用全局设置</param>
/// <param name="point">消息窗显示位置。不指定则智能判定，当由工具栏项(ToolStripItem)弹出时，请指定该参数或使用接收控件的重载</param>
/// <param name="centerByPoint">是否以point参数为中心进行呈现。为false则是在其附近呈现</param>
public static void Show(string text, TipStyle style = null, int delay = -1, bool?floating = null, Point?point = null, bool centerByPoint = false)
{
var basePoint = point ?? DetemineActive();
new Thread(arg =>
{
LayeredWindow layer = null;
try
{
layer = new LayeredWindow(CreateTipImage(text ?? string.Empty, style ?? DefaultStyle ?? TipStyle.Gray, out Rectangle contentBounds))
{
Alpha = 0,
Location = GetLocation(contentBounds, basePoint, centerByPoint, out var floatDown),
MouseThrough = true,
TopMost = true,
Tag = new object[] { delay < 0 ? Delay : delay, floating ?? Floating, floatDown }
};
layer.Showing += layer_Showing;
layer.Closing += layer_Closing;
layer.Show();
}
finally
{
if (layer != null)
{
layer.Showing -= layer_Showing;
layer.Closing -= layer_Closing;
layer.Dispose();
}
}
})
{
IsBackground = true, Name = "T_Showing"
}.Start();
/// <summary>
/// 在指定控件附近显示消息
/// </summary>
/// <param name="controlOrItem">控件或工具栏项</param>
/// <param name="text">消息文本</param>
/// <param name="style">消息样式。不指定则使用默认样式</param>
/// <param name="delay">消息停留时长(ms)。为负时使用全局时长</param>
public static void Show(Component controlOrItem, string text, TipStyle style = null, int delay = -1)
{
if (controlOrItem == null)
{
throw new ArgumentNullException("controlOrItem");
}
Show(text, style, delay, GetCenterPosition(controlOrItem), !(controlOrItem is ButtonBase || controlOrItem is ToolStripItem));
}
/// <summary>
/// 在指定控件附近显示消息
/// </summary>
/// <param name="controlOrItem">控件或工具栏项</param>
/// <param name="text">消息文本</param>
/// <param name="style">消息样式。不指定则使用默认样式</param>
/// <param name="delay">消息停留时长(ms)。为负时使用全局时长</param>
/// <param name="floating">是否漂浮，不指定则使用全局设置</param>
/// <param name="centerInControl">是否在控件中央显示，不指定则自动判断</param>
public static void Show(Component controlOrItem, string text, TipStyle style = null, int delay = -1, bool?floating = null, bool?centerInControl = null)
{
if (controlOrItem == null)
{
throw new ArgumentNullException("controlOrItem");
}
Show(text, style, delay, floating, GetCenterPosition(controlOrItem), centerInControl ?? IsContainerLike(controlOrItem));
}
/// <summary>
/// 显示消息
/// </summary>
/// <param name="text">消息文本</param>
/// <param name="style">消息样式。不指定则使用默认样式</param>
/// <param name="delay">消息停留时长(ms)。为负时使用全局时长</param>
/// <param name="floating">是否漂浮，不指定则使用全局设置</param>
/// <param name="point">消息窗显示位置。不指定则智能判定，当由工具栏项(ToolStripItem)弹出时，请指定该参数或使用接收控件的重载</param>
/// <param name="centerByPoint">是否以point参数为中心进行呈现。为false则是在其附近呈现</param>
public static void Show(string text, TipStyle style = null, int delay = -1, bool?floating = null, Point?point = null, bool centerByPoint = false)
{
var basePoint = point ?? DetemineActive();
new Thread(arg =>
{
var args = (object[])arg;
var tBasePoint = (Point)args[0];
var tStyle = (TipStyle)args[1];
var tDelay = (int)args[2];
var tFloating = (bool)args[3];
var tCenterByPoint = (bool)args[4];
LayeredWindow layer = null;
try
{
bool floatDown;
Rectangle contentBounds;
layer = new LayeredWindow(CreateTipImage(text ?? string.Empty, tStyle ?? DefaultStyle ?? TipStyle.Gray, out contentBounds))
{
Alpha = 0,
Location = GetLocation(contentBounds, tBasePoint, tCenterByPoint, out floatDown),
MouseThrough = true,
TopMost = true,
Tag = new object[] { tDelay, tFloating, floatDown }
};
layer.Showing += layer_Showing;
layer.Closing += layer_Closing;
layer.Show();
}
finally
{
if (layer != null)
{
layer.Showing -= layer_Showing;
layer.Closing -= layer_Closing;
layer.Dispose();
}
}
})
{
IsBackground = true, Name = "T_Showing"
}.Start(new object[]
{
basePoint, style, delay < 0?DefaultDelay:delay, floating ?? Floating, centerByPoint
});
}
private static TipStyle CreatePresetsStyle(int index)
{
var style = new TipStyle
{
Icon = PresetsResources.Icons[index],
BorderColor = PresetsResources.Colors[index, 0],
ShadowColor = PresetsResources.Colors[index, 2],
};
style.BackBrush = r =>
{
var brush = new LinearGradientBrush(r,
PresetsResources.Colors[index, 1],
Color.White,
LinearGradientMode.Horizontal);
brush.SetBlendTriangularShape(0.5f);
return(brush);
};
return(style);
}
private void btnRestore_Click(object sender, EventArgs e)
{
_style.Clear();
_style = new TipStyle();
propertyGrid1.SelectedObject = _style;
}
/// <summary>
/// 创建消息窗图像，同时输出内容区，用于外部定位
/// </summary>
private static Bitmap CreateTipImage(string text, TipStyle style, out Rectangle contentBounds)
{
var size = Size.Empty;
var iconBounds = Rectangle.Empty;
var textBounds = Rectangle.Empty;
if (style.Icon != null)
{
size = style.Icon.Size;
iconBounds.Size = size;
textBounds.X = size.Width;
}
if (text.Length != 0)
{
if (style.Icon != null)
{
size.Width += style.IconSpacing;
textBounds.X += style.IconSpacing;
}
textBounds.Size = Size.Truncate(GraphicsUtils.MeasureString(text, style.TextFont ?? DefaultFont, 0, DefStringFormat));
size.Width += textBounds.Width;
if (size.Height < textBounds.Height)
{
size.Height = textBounds.Height;
}
else if (size.Height > textBounds.Height)//若文字没有图标高，令文字与图标垂直居中，否则与图标平齐
{
textBounds.Y += (size.Height - textBounds.Height) / 2;
}
textBounds.Offset(style.TextOffset);
}
size += style.Padding.Size;
iconBounds.Offset(style.Padding.Left, style.Padding.Top);
textBounds.Offset(style.Padding.Left, style.Padding.Top);
contentBounds = new Rectangle(Point.Empty, size);
var fullBounds = GraphicsUtils.GetBounds(contentBounds, style.Border, style.ShadowRadius, style.ShadowOffset.X, style.ShadowOffset.Y);
contentBounds.Offset(-fullBounds.X, -fullBounds.Y);
iconBounds.Offset(-fullBounds.X, -fullBounds.Y);
textBounds.Offset(-fullBounds.X, -fullBounds.Y);
var bmp = new Bitmap(fullBounds.Width, fullBounds.Height);
Graphics g = null;
Brush backBrush = null;
Brush textBrush = null;
try
{
g = Graphics.FromImage(bmp);
g.SmoothingMode = SmoothingMode.HighQuality;
g.PixelOffsetMode = PixelOffsetMode.HighQuality;
backBrush = (style.BackBrush ?? (r => new SolidBrush(style.BackColor)))(contentBounds);
GraphicsUtils.DrawRectangle(g, contentBounds,
backBrush,
style.Border,
style.CornerRadius,
style.ShadowColor,
style.ShadowRadius,
style.ShadowOffset.X,
style.ShadowOffset.Y);
if (style.Icon != null)
{
//DEBUG: g.DrawRectangle(new Border(Color.Red) { Width = 1, Direction = Direction.Inner }.Pen, iconBounds);
g.DrawImageUnscaled(style.Icon, iconBounds.Location);
}
if (text.Length != 0)
{
textBrush = new SolidBrush(style.TextColor);
//DEBUG: g.DrawRectangle(new Border(Color.Red){ Width=1, Direction= Direction.Inner}.Pen, textBounds);
g.DrawString(text, style.TextFont ?? DefaultFont, textBrush, textBounds.Location, DefStringFormat);
}
g.Flush(FlushIntention.Sync);
return(bmp);
}
finally
{
if (g != null)
{
g.Dispose();
}
if (backBrush != null)
{
backBrush.Dispose();
}
if (textBrush != null)
{
textBrush.Dispose();
}
}
}
