fix:issue #153

2025-09-06 13:30:32 +08:00
parent 1a9ddf1969
commit 02c6caf465
2 changed files with 116 additions and 117 deletions
@@ -894,8 +894,13 @@ namespace Ink_Canvas.Windows {
                var trackWidth = customSlider.TrackBorder.ActualWidth;
                if (trackWidth <= 0) return;

-                // 计算相对位置（0-1之间）
-                var relativePosition = Math.Max(0, Math.Min(1, position.X / trackWidth));
+                // 考虑拇指大小，计算有效轨道长度
+                var thumbSize = 21; // 根据XAML中的Width="21"
+                var effectiveWidth = trackWidth - thumbSize;
+                
+                // 计算相对位置（0-1之间），考虑拇指大小
+                var adjustedX = position.X - thumbSize / 2;
+                var relativePosition = Math.Max(0, Math.Min(1, adjustedX / effectiveWidth));

                // 更新滑块位置
                var thumbTransform = customSlider.ThumbImage.RenderTransform as TranslateTransform;
@@ -906,7 +911,7 @@ namespace Ink_Canvas.Windows {
                }

                // 计算新的滑块位置
-                var newX = relativePosition * trackWidth;
+                var newX = relativePosition * effectiveWidth;
                thumbTransform.X = newX;

                // 更新值显示Border的宽度