Index: sources/gui/qml/components/Slider.qml
===================================================================
diff -u -r839893734937449efb6e7c31787d2c44515b69af -r5f6975c6ee7823fc884328418298128cdb97107f
--- sources/gui/qml/components/Slider.qml	(.../Slider.qml)	(revision 839893734937449efb6e7c31787d2c44515b69af)
+++ sources/gui/qml/components/Slider.qml	(.../Slider.qml)	(revision 5f6975c6ee7823fc884328418298128cdb97107f)
@@ -54,8 +54,10 @@
 
     function setActive(active) {
         if (active) {
+            color        = Colors.sliderHighlightColor
             handlerColor = Colors.createTreatmentActive
         } else {
+            color        = Colors.createTreatmentInactive
             handlerColor = Colors.createTreatmentInactive
         }
 
@@ -148,32 +150,25 @@
         }
     }
 
-    Rectangle { id: _progressRectBackground
-       anchors.fill : _progressRect
-       color        : _root.isActive ? Colors.sliderHighlightColor : Colors.createTreatmentInactive
-       radius       : _root.isRoundedEnds ? (height/2) : 0
-    }
-
     // used loader for performance since it may not always be required.
     // and can be a heavy Component
     Loader { id: _ticksLoader
         active          : ticks
         anchors.fill    : parent
         sourceComponent : TickMarks {
-            thickness   : _root.tickMarksThickness
             decimal     : _root.decimal
             minimum     : _root.minimum
             maximum     : _root.maximum
             step        : _root.step
             stepSnap    : _root.stepSnap
             textColor   : _root.color
-            length      : _progressRect.height
+            lineTickMarkHeight      : _progressRect.height
+            lineTickMarkThickness   : _root.tickMarksThickness
             isTickMarkRound : _root.isRoundedEnds
             yDisplacement   : _root.isRoundedEnds ? (-_progressRect.height) : 0
         }
     }
     ProgressRect { id: _progressRect
-        property real previousSliderValue: Number.NaN
         color   : Colors.transparent
         decimal : _root.decimal
         minimum : _root.minimum