81 lines
2.2 KiB
C#
81 lines
2.2 KiB
C#
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using System.Windows.Controls.Primitives;
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namespace PCL;
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public class MyScrollBar : ScrollBar
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{
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// 基础
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public int Uuid = ModBase.GetUuid();
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public MyScrollBar()
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{
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IsEnabledChanged += (_, _) => RefreshColor();
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GotMouseCapture += (_, _) => RefreshColor();
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LostMouseCapture += (_, _) => RefreshColor();
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MouseEnter += (_, _) => RefreshColor();
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MouseLeave += (_, _) => RefreshColor();
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IsVisibleChanged += (_, _) => RefreshColor();
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}
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// 指向动画
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private void RefreshColor()
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{
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try
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{
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// 判断当前颜色
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double newOpacity;
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string newColor;
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int time;
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if (!IsVisible)
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{
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newOpacity = 0d;
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time = 20; // 防止错误的尺寸判断导致闪烁
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newColor = "ColorBrush4";
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}
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else if (IsMouseCaptureWithin)
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{
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newOpacity = 1d;
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newColor = "ColorBrush4";
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time = 50;
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}
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else if (IsMouseOver)
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{
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newOpacity = 0.9d;
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newColor = "ColorBrush3";
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time = 130;
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}
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else
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{
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newOpacity = 0.5d;
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newColor = "ColorBrush4";
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time = 180;
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}
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// 触发颜色动画
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if (IsLoaded && ModAnimation.AniControlEnabled == 0) // 防止默认属性变更触发动画
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{
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// 有动画
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ModAnimation.AniStart(
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new[]
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{
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ModAnimation.AaColor(this, ForegroundProperty, newColor, time),
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ModAnimation.AaOpacity(this, newOpacity - Opacity, time)
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}, "MyScrollBar Color " + Uuid);
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}
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else
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{
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// 无动画
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ModAnimation.AniStop("MyScrollBar Color " + Uuid);
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SetResourceReference(ForegroundProperty, newColor);
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Opacity = newOpacity;
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}
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}
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catch (Exception ex)
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{
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ModBase.Log(ex, "滚动条颜色改变出错");
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}
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}
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}
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