Index: sources/gui/qml/compounds/NumPad.qml
===================================================================
diff -u -rc749ecd5dc413ce091250af652ccba4d96f7a582 -rd4b731494a05087a763afff95b91c675bb417347
--- sources/gui/qml/compounds/NumPad.qml	(.../NumPad.qml)	(revision c749ecd5dc413ce091250af652ccba4d96f7a582)
+++ sources/gui/qml/compounds/NumPad.qml	(.../NumPad.qml)	(revision d4b731494a05087a763afff95b91c675bb417347)
@@ -38,12 +38,10 @@
 
     width                   : Variables.numPadWidth
     height                  : Variables.numPadHeight
-//    visible                 : false
     radius                  : 9
     color                   : Colors.backgroundMain
     x                       : Math.round((Variables.applicationWidth   - _root.width) / 2)
     y                       : Math.round((Variables.applicationHeight  - _root.height) / 2)
-//    onVisibleChanged        : if ( ! _root.visible  )   { reset()                           }
     onDisplayValueChanged   : if ( _root.setter     )   { _root.setter( _valueLabel.text )  }
     onSettingValueChanged   : _valueLabel.text = _root.settingValue !== undefined ? _root.settingValue : ""
 
@@ -55,16 +53,6 @@
     function open(entry, title, min, max, unit) {
         reset()
         setup(entry, title, min, max, unit)
-//        _root.settingValue  = Qt.binding(function () { return entry.text })
-//        _root.title         = title
-//        _root.unit          = unit
-//        _root.range         = min.isEmpty &&
-//                              max.isEmpty ? "" : ("%1 %2 - %3") .arg(qsTr("Range:"))
-//                                                                .arg(min)
-//                                                                .arg(max)
-//        _root.getter        = entry.text
-//        _root.setter        = function (value) { entry.text  = value }
-//        _root.validator     = function (value) { { return value >= min && value <= max } }
         _keyboard.setVisible(false)
         show()
     }
@@ -83,19 +71,17 @@
     }
 
     function show() {
-        if ( ! _root.visible  ) { _root.visible = true  }
         if ( ! isOpened ) {
             x = x + _root.width
             isOpened = true
         }
     }
 
-    function hide( hideOnly = false ) {
+    function hide() {
         if ( isOpened ) {
             x = x - _root.width
             isOpened = false
         }
-        else if ( _root.visible && ! hideOnly )   { _root.visible = false }
     }
 
     function reset() {
@@ -176,7 +162,7 @@
                 pixelSize   : 65
                 weight      : Font.DemiBold
             }
-            color   : isValueValid ? "white" : "gray"
+            color   : isValueValid ?  Colors.offWhite : Colors.red
             text    : ""
         }
     }
@@ -250,7 +236,7 @@
                         anchors.centerIn: parent
                         text            : _keyButton.text
                         font.pixelSize  : 40
-                        color           : enabled ? "white" : "dimgrey"
+                        color           : enabled ? Colors.offWhite : "dimgrey"
                     }
                 }