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fix:触摸墨迹选中问题

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CJKmkp
2025-12-28 10:01:02 +08:00
parent df5daeeb75
commit afb65eb908
2 changed files with 17 additions and 114 deletions
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Ink Canvas/MainWindow_cs/MW_TouchEvents.cs
+2 -61
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@@ -224,29 +224,8 @@ namespace Ink_Canvas
}
if (inkCanvas.EditingMode == InkCanvasEditingMode.EraseByPoint
|| inkCanvas.EditingMode == InkCanvasEditingMode.EraseByStroke) return;
// 处理选择模式下的触摸事件：检查是否有选中的墨迹，如果有，检查触摸点是否在选中区域外
if (inkCanvas.EditingMode == InkCanvasEditingMode.Select)
{
if (inkCanvas.GetSelectedStrokes().Count > 0)
{
var touchPosition = e.GetTouchPoint(inkCanvas).Position;
var selectionBounds = inkCanvas.GetSelectionBounds();
// 检查触摸位置是否在选择框边界外
if (touchPosition.X < selectionBounds.Left ||
touchPosition.X > selectionBounds.Right ||
touchPosition.Y < selectionBounds.Top ||
touchPosition.Y > selectionBounds.Bottom)
{
// 触摸在选择框外，取消选择
inkCanvas.Select(new StrokeCollection());
GridInkCanvasSelectionCover.Visibility = Visibility.Collapsed;
}
}
return;
}
|| inkCanvas.EditingMode == InkCanvasEditingMode.EraseByStroke
|| inkCanvas.EditingMode == InkCanvasEditingMode.Select) return;
if (!isHidingSubPanelsWhenInking)
{
@@ -562,26 +541,6 @@ namespace Ink_Canvas
}
if (inkCanvas.EditingMode == InkCanvasEditingMode.Select)
{
dec.Add(e.TouchDevice.Id);
// 检查是否有选中的墨迹，如果有，检查触摸点是否在选中区域外
if (dec.Count == 1 && inkCanvas.GetSelectedStrokes().Count > 0)
{
var touchPosition = e.GetTouchPoint(inkCanvas).Position;
var selectionBounds = inkCanvas.GetSelectionBounds();
// 检查触摸位置是否在选择框边界外
if (touchPosition.X < selectionBounds.Left ||
touchPosition.X > selectionBounds.Right ||
touchPosition.Y < selectionBounds.Top ||
touchPosition.Y > selectionBounds.Bottom)
{
// 触摸在选择框外，取消选择
inkCanvas.Select(new StrokeCollection());
GridInkCanvasSelectionCover.Visibility = Visibility.Collapsed;
}
}
return;
}
if (inkCanvas.EditingMode == InkCanvasEditingMode.Ink)
@@ -622,24 +581,6 @@ namespace Ink_Canvas
var touchPoint = e.GetTouchPoint(inkCanvas);
centerPoint = touchPoint.Position;
// 检查是否有选中的墨迹，如果有，检查触摸点是否在选中区域外
if (inkCanvas.GetSelectedStrokes().Count > 0)
{
var touchPosition = touchPoint.Position;
var selectionBounds = inkCanvas.GetSelectionBounds();
// 检查触摸位置是否在选择框边界外
if (touchPosition.X < selectionBounds.Left ||
touchPosition.X > selectionBounds.Right ||
touchPosition.Y < selectionBounds.Top ||
touchPosition.Y > selectionBounds.Bottom)
{
// 触摸在选择框外，取消选择
inkCanvas.Select(new StrokeCollection());
GridInkCanvasSelectionCover.Visibility = Visibility.Collapsed;
}
}
//记录第一根手指点击时的 StrokeCollection
lastTouchDownStrokeCollection = inkCanvas.Strokes.Clone();
}