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* UIScrollingText: 停止滚动时，可以设置默认显示位置

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Sunny 2024-12-02 21:25:39 +08:00
parent 120dbf2151
commit 452e9e6e15
1 changed files with 40 additions and 32 deletions
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72
SunnyUI/Controls/UIScrollingText.cs
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@ -21,6 +21,7 @@
* 2022-03-19: V3.1.1 重构主题配色
* 2023-02-23: V3.3.2 重写滚动逻辑
* 2023-05-12: V3.3.6 重构DrawString函数
* 2024-12-02: V3.8.0 停止滚动时，可以设置默认显示位置
******************************************************************************/
using System;
@ -153,41 +154,48 @@ namespace Sunny.UI
/// <param name="path">绘图路径</param>
protected override void OnPaintFore(Graphics g, GraphicsPath path)
{
Size sf = TextRenderer.MeasureText(Text, Font);
if (TextWidth != sf.Width)
if (Active)
{
XPos = 0;
TextWidth = sf.Width;
Size sf = TextRenderer.MeasureText(Text, Font);
if (TextWidth != sf.Width)
{
XPos = 0;
TextWidth = sf.Width;
}
if (ScrollingType == UIScrollingType.LeftToRight)
{
if (XPos + TextWidth > Width && TextWidth < Width - offset)
{
XPos1 = XPos - Width + offset;
g.DrawString(Text, Font, ForeColor, new Rectangle(XPos1, 0, Width, Height), ContentAlignment.MiddleLeft);
}
else
{
XPos1 = -TextWidth + offset;
}
g.DrawString(Text, Font, ForeColor, new Rectangle(XPos, 0, Width, Height), ContentAlignment.MiddleLeft);
}
if (ScrollingType == UIScrollingType.RightToLeft)
{
if (XPos < 0 && TextWidth < Width - offset)
{
XPos1 = Width + XPos - offset;
g.DrawString(Text, Font, ForeColor, new Rectangle(XPos1, 0, Width, Height), ContentAlignment.MiddleLeft);
}
else
{
XPos1 = Width - offset;
}
g.DrawString(Text, Font, ForeColor, new Rectangle(XPos, 0, Width, Height), ContentAlignment.MiddleLeft);
}
}
if (ScrollingType == UIScrollingType.LeftToRight)
else
{
if (XPos + TextWidth > Width && TextWidth < Width - offset)
{
XPos1 = XPos - Width + offset;
g.DrawString(Text, Font, ForeColor, new Rectangle(XPos1, 0, Width, Height), ContentAlignment.MiddleLeft);
}
else
{
XPos1 = -TextWidth + offset;
}
g.DrawString(Text, Font, ForeColor, new Rectangle(XPos, 0, Width, Height), ContentAlignment.MiddleLeft);
}
if (ScrollingType == UIScrollingType.RightToLeft)
{
if (XPos < 0 && TextWidth < Width - offset)
{
XPos1 = Width + XPos - offset;
g.DrawString(Text, Font, ForeColor, new Rectangle(XPos1, 0, Width, Height), ContentAlignment.MiddleLeft);
}
else
{
XPos1 = Width - offset;
}
g.DrawString(Text, Font, ForeColor, new Rectangle(XPos, 0, Width, Height), ContentAlignment.MiddleLeft);
base.OnPaintFore(g, path);
}
}