Index: sources/gui/qml/compounds/ValueAdjuster.qml
===================================================================
diff -u -rf7b92a45b2b7fa814fba3d080bcf91d465f279df -r9c818f9b2600fa0fb9375f5923bf01ffcbb17e0f
--- sources/gui/qml/compounds/ValueAdjuster.qml	(.../ValueAdjuster.qml)	(revision f7b92a45b2b7fa814fba3d080bcf91d465f279df)
+++ sources/gui/qml/compounds/ValueAdjuster.qml	(.../ValueAdjuster.qml)	(revision 9c818f9b2600fa0fb9375f5923bf01ffcbb17e0f)
@@ -27,49 +27,49 @@
     property real   defaultValue: 0
     property real   step        : 0
     property real   actualValue : 0
-    property bool   active      : false
+    property bool   isActive    : false
     property bool   editable    : true
-    property bool   allowOff    : false
-    property bool   doRefresh   : false
+    property bool   canAllowOff : false
+    property bool   canRefresh  : false
 
     // fix floating-point precision issue
     readonly property real stepVal  : Math.round(step       * 100) / 100
     readonly property real minVal   : Math.round(minimum    * 100) / 100
     readonly property real val      : Math.round(value      * 100) / 100
 
-    readonly property bool canIncrement  : active ? value < maximum : true
-    readonly property bool canDecrement  : active ? allowOff ? value > 0 :
-                                                      value > minimum : true
+    readonly property bool canIncrement  : isActive ? value < maximum : true
+    readonly property bool canDecrement  : isActive ? canAllowOff ? value > 0 :
+                                                                    value > minimum : true
 
-    onActiveChanged             : {
-        if ( doRefresh )    { doRefresh = false; return;                }
+    onIsActiveChanged             : {
+        if ( canRefresh )   { canRefresh = false; return;               }
 
-        if ( active )       { _root.value = _root.defaultValue          }
+        if ( isActive )     { _root.value = _root.defaultValue          }
     }
 
-    function refresh () { value = actualValue; doRefresh = true         }
+    function refresh () { value = actualValue; canRefresh = true        }
 
-    function clear() { _root.active = false                             }
+    function clear() { _root.isActive = false                           }
 
     function increment() {
-        if ( ! active )     { active = true; return;                    }
+        if ( ! isActive )     { isActive = true; return;                }
 
-        if ( allowOff ) { value = val < minVal ? minVal : val + stepVal }
-        else            { value += stepVal                              }
+        if ( canAllowOff )  { value = val < minVal ? minVal : val + stepVal }
+        else                { value += stepVal                              }
     }
 
     function decrement() {
-        if ( ! active )     { active = true; return;                    }
+        if ( ! isActive )     { isActive = true; return;                    }
 
-        if ( allowOff ) { value = val > minVal ? val - stepVal : 0      }
-        else            { value -= stepVal                              }
+        if ( canAllowOff )  { value = val > minVal ? val - stepVal : 0      }
+        else                { value -= stepVal                              }
     }
 
     Text { id: _text
         anchors.centerIn: parent
-        text            : _root.active ? _root.allowOff ? _root.value === 0 ?
-                                                              "OFF" :
-                                                              _root.value.toFixed( _root.decimal ) :
+        text            : _root.isActive ? _root.canAllowOff ? _root.value === 0 ?
+                                                                "OFF" :
+                                                                _root.value.toFixed( _root.decimal ) :
                                         _root.value.toFixed( _root.decimal ) : Variables.emptyEntry
         color           : Colors.offWhite
         font.pixelSize  : Fonts.fontPixelValueControl
@@ -122,7 +122,7 @@
             pressAndHoldInterval: 0
 
             onClicked: {
-                if ( _root.editable ) { active = true; focus = true }
+                if ( _root.editable ) { isActive = true; focus = true }
 
                 _slider.opacity = 0
             }
@@ -134,7 +134,7 @@
             }
 
             onPressAndHold: {
-                if ( _root.editable ) { active = true; focus = true }
+                if ( _root.editable ) { isActive = true; focus = true }
 
                 _sliderMouseArea.grabbed = true
             }