Index: sources/gui/qml/components/ValueControl.qml
===================================================================
diff -u -r8b84749609138274fb1b899c7862239f12ea2f41 -r7d2122a9a4330ebc2ff4c22be36f32e9a82417ec
--- sources/gui/qml/components/ValueControl.qml	(.../ValueControl.qml)	(revision 8b84749609138274fb1b899c7862239f12ea2f41)
+++ sources/gui/qml/components/ValueControl.qml	(.../ValueControl.qml)	(revision 7d2122a9a4330ebc2ff4c22be36f32e9a82417ec)
@@ -32,7 +32,6 @@
 
     property bool canIncrement  : active ? value > minimum : true
     property bool canDecrement  : active ? value < maximum : true
-    property int holdInterval   : 600
 
     onActiveChanged             : if ( active ) { _root.value = _root.defaultValue }
 
@@ -83,21 +82,28 @@
             property bool grabbed: false
 
             anchors.fill        : parent
-            pressAndHoldInterval: _root.holdInterval
+            pressAndHoldInterval: 0
 
             onClicked: {
-                if ( _root.editable ) { active = focus = true }
+                if ( _root.editable ) {
+                    active  = true
+                    focus   = true
+                }
 
                 _slider.opacity = 0
             }
 
             onReleased: {
-                grabbed = false
+                _sliderMouseArea.grabbed = true
+.                grabbed = false
                 _slider.opacity = 0
             }
 
             onPressAndHold: {
-                if ( _root.editable ) { _root.active = focus = true }
+                if ( _root.editable ) {
+                    active  = true
+                    focus   = true
+                }
 
                 _sliderMouseArea.grabbed = true
             }
@@ -125,8 +131,8 @@
             target  : _slider
             from    : 0
             to      : 1
-            duration: _root.holdInterval
-            running : _sliderMouseArea.pressed
+            duration: 350
+            running : _sliderMouseArea.grabbed
         }
 
         Behavior on opacity { NumberAnimation { duration: 200 } }