Merge pull request #4031 from stephtr/rangeselector-continuous

RangeSelector: Moving past second handle

Author: michael-hawker

Microsoft.Toolkit.Uwp.UI.Controls.Input/RangeSelector/RangeSelector.Input.Drag.cs

@@ -19,7 +19,7 @@ private void MinThumb_DragDelta(object sender, DragDeltaEventArgs e)
         {
             _absolutePosition += e.HorizontalChange;
 
-            RangeStart = DragThumb(_minThumb, 0, Canvas.GetLeft(_maxThumb), _absolutePosition);
+            RangeStart = DragThumb(_minThumb, 0, DragWidth(), _absolutePosition);
 
             if (_toolTipText != null)
             {
@@ -31,7 +31,7 @@ private void MaxThumb_DragDelta(object sender, DragDeltaEventArgs e)
         {
             _absolutePosition += e.HorizontalChange;
 
-            RangeEnd = DragThumb(_maxThumb, Canvas.GetLeft(_minThumb), DragWidth(), _absolutePosition);
+            RangeEnd = DragThumb(_maxThumb, 0, DragWidth(), _absolutePosition);
 
             if (_toolTipText != null)
             {

Microsoft.Toolkit.Uwp.UI.Controls.Input/RangeSelector/RangeSelector.Input.Pointer.cs

@@ -76,14 +76,14 @@ private void ContainerCanvas_PointerMoved(object sender, PointerRoutedEventArgs
             var position = e.GetCurrentPoint(_containerCanvas).Position.X;
             var normalizedPosition = ((position / DragWidth()) * (Maximum - Minimum)) + Minimum;
 
-            if (_pointerManipulatingMin && normalizedPosition < RangeEnd)
+            if (_pointerManipulatingMin)
             {
-                RangeStart = DragThumb(_minThumb, 0, Canvas.GetLeft(_maxThumb), position);
+                RangeStart = DragThumb(_minThumb, 0, DragWidth(), position);
                 UpdateToolTipText(this, _toolTipText, RangeStart);
             }
-            else if (_pointerManipulatingMax && normalizedPosition > RangeStart)
+            else if (_pointerManipulatingMax)
             {
-                RangeEnd = DragThumb(_maxThumb, Canvas.GetLeft(_minThumb), DragWidth(), position);
+                RangeEnd = DragThumb(_maxThumb, 0, DragWidth(), position);
                 UpdateToolTipText(this, _toolTipText, RangeEnd);
             }
         }