expose default handle widths

Author: nwdl

NMRangeSlider/NMRangeSlider.h

@@ -53,6 +53,9 @@
 @property (assign, nonatomic) BOOL lowerHandleHidden;
 @property (assign, nonatomic) BOOL upperHandleHidden;
 
+@property (assign, nonatomic) float lowerHandleHiddenWidth;
+@property (assign, nonatomic) float upperHandleHiddenWidth;
+
 // Images, these should be set before the control is displayed.
 // If they are not set, then the default images are used.
 // eg viewDidLoad

NMRangeSlider/NMRangeSlider.m

@@ -95,6 +95,9 @@ - (void) configureView
     _upperMinimumValue = NAN;
     _upperHandleHidden = NO;
     _lowerHandleHidden = NO;
+    
+    _lowerHandleHiddenWidth = 2.0f;
+    _upperHandleHiddenWidth = 2.0f;
 }
 
 // ------------------------------------------------------------------------------------------------------
@@ -413,8 +416,8 @@ - (CGRect)trackRect
         retValue.size.height=self.bounds.size.height;
     }
 
-    float lowerHandleWidth = _lowerHandleHidden ? 2.0f : _lowerHandle.frame.size.width;
-    float upperHandleWidth = _upperHandleHidden ? 2.0f : _upperHandle.frame.size.width;
+    float lowerHandleWidth = _lowerHandleHidden ? _lowerHandleHiddenWidth : _lowerHandle.frame.size.width;
+    float upperHandleWidth = _upperHandleHidden ? _upperHandleHiddenWidth : _upperHandle.frame.size.width;
 
     float xLowerValue = ((self.bounds.size.width - lowerHandleWidth) * (_lowerValue - _minimumValue) / (_maximumValue - _minimumValue))+(lowerHandleWidth/2.0f);
     float xUpperValue = ((self.bounds.size.width - upperHandleWidth) * (_upperValue - _minimumValue) / (_maximumValue - _minimumValue))+(upperHandleWidth/2.0f);