Index: sources/gui/qml/components/Slider.qml
===================================================================
diff -u -r76d4131d70c18cbfaf47c242c17258e80161e8dc -r4f8cbe0045e2a06a67a44894bb02b41a02eca5dd
--- sources/gui/qml/components/Slider.qml	(.../Slider.qml)	(revision 76d4131d70c18cbfaf47c242c17258e80161e8dc)
+++ sources/gui/qml/components/Slider.qml	(.../Slider.qml)	(revision 4f8cbe0045e2a06a67a44894bb02b41a02eca5dd)
@@ -42,6 +42,8 @@
     property bool   isActive           : true
     property alias  progressRectMargin : _progressRect.margin
 
+    property int    tickMarksThinkness : 2
+
     signal progressRectClicked()
     signal progressRectDragged()
     signal activeChanged()
@@ -120,6 +122,18 @@
         if ( value > maximum ) { value = maximum;                       return; }
     }
 
+    function setHandlerPosition() {
+        if ( _progressRect.width <= 0 ) {
+            _handler.x = 0                                          - _root.tickMarksThinkness
+        } else
+        if ( _progressRect.width >= _root.width                     - _root.tickMarksThinkness ) {
+            _handler.x =            _root.width - _handler.width    + _root.tickMarksThinkness
+        }
+        else {
+            _handler.x = _progressRect.width - _handler.width / 2
+        }
+    }
+
     ProgressRect { id: _progressRect
         color       : Colors.highlightProgressBar
         decimal : _root.decimal
@@ -143,6 +157,9 @@
             setValue(vMouseEvent.x)
             _root.released(vMouseEvent)
         }
+        onWidthChanged: {
+            // setHandlerPosition()
+        }
     }
 
     // used loader for performance since it may not always be required.
@@ -151,7 +168,7 @@
         active          : ticks
         anchors.fill    : parent
         sourceComponent : TickMarks {
-            thickness   : 2
+            thickness   : _root.tickMarksThinkness
             decimal     : _root.decimal
             minimum     : _root.minimum
             maximum     : _root.maximum