Index: sources/gui/qml/compounds/NumPad.qml
===================================================================
diff -u -rfd09b0ee6e41d75755e0572008d4f932b0bddf2b -r969fb65fb9857c0a6a84cb9f7d591d16de40e898
--- sources/gui/qml/compounds/NumPad.qml	(.../NumPad.qml)	(revision fd09b0ee6e41d75755e0572008d4f932b0bddf2b)
+++ sources/gui/qml/compounds/NumPad.qml	(.../NumPad.qml)	(revision 969fb65fb9857c0a6a84cb9f7d591d16de40e898)
@@ -13,7 +13,7 @@
  *
  */
 
-import QtQuick 2.12
+import QtQuick 2.15
 import QtQuick.Controls 2.12
 import QtGraphicalEffects 1.12
 
@@ -24,17 +24,21 @@
     property var settingValue           : undefined
     property alias unit                 : _unitText.text
     property alias range                : _range.text
+    property alias showRange            : _range.visible
     property alias title                : _title.text
 
     property alias displayValue         : _valueLabel.text
     property int precision              : 0
     property var getter                 : null
     property var setter                 : null
-    property var validator              : null
-    readonly property bool isValueValid : validator ? validator(valueInt) : true
-    readonly property var valueInt      : isNaN(parseInt(_valueLabel.text)) ? undefined : parseInt(_valueLabel.text)
+    property real validatorMin          : 0
+    property real validatorMax          : 99999
     readonly property string backSpace  : "qrc:/images/iBackspace"
     property bool isOpened              : false
+    property bool allowDecimal          : false
+    property bool showSliderButton      : true
+    property int numCharacters          : 3
+    property bool isFloat               : false
 
     width                   : Variables.numPadWidth
     height                  : Variables.numPadHeight
@@ -67,9 +71,24 @@
                                                                 .arg(max)
         _root.getter        = entry.text
         _root.setter        = function (value) { entry.text  = value }
-        _root.validator     = function (value) { return value >= min && value <= max }
+        _root.validatorMin = min
+        _root.validatorMax = max
     }
 
+//    function openNoRange(entry, title) {
+//        reset()
+//        setupOpenInput(entry, title)
+//        _keyboard.setVisible(false)
+//        show()
+//    }
+
+//    function setupOpenInput(entry, title) {
+////        _root.settingValue  = Qt.binding(function () { return entry.text })
+//        _root.title         = title
+//        _root.getter        = entry.text
+//        _root.setter        = function (value) { entry.text  = value }
+//    }
+
     function show() {
         if ( ! isOpened ) {
             x = x + _root.width
@@ -103,6 +122,7 @@
         radius          : height
         border.color    : Colors.transparent
         backgroundColor : Colors.backgroundButtonSelect
+        visible         : _root.showSliderButton
         onPressed       : isOpened ? hide() : show()
 
         Image { id  : _iconImage
@@ -156,14 +176,19 @@
         radius  : 10
         color   : "#324867"
 
-        Text { id: _valueLabel
+        TextInput { id: _valueLabel
             anchors.centerIn: parent
             font {
                 pixelSize   : 65
                 weight      : Font.DemiBold
             }
-            color   : isValueValid ?  Colors.offWhite : Colors.red
-            text    : ""
+            color   : _valueLabel.acceptableInput ?  Colors.offWhite : Colors.red
+
+            validator: DoubleValidator { id: _validator
+                bottom  : _root.validatorMin
+                top     : _root.validatorMax
+                decimals: _root.isFloat ? 3 : 0
+            }
         }
     }
 
@@ -218,7 +243,7 @@
                 icon.source         : modelData === backSpace ? modelData : ""
                 icon.height         : 45
                 icon.width          : 45
-                enabled             : modelData === "." ? precision > 0 : true
+                enabled             : _root.allowDecimal ? true : modelData === "." ? precision > 0 : true
 
                 contentItem: Rectangle {
                     anchors.fill    : parent
@@ -250,7 +275,7 @@
                             _valueLabel.text = _keyButton.text
                             _numPadGrid.replaceValueText = false
                         }
-                        else if (_valueLabel.text.length < 3) {
+                        else if (_valueLabel.text.length < _root.numCharacters) {
                             _valueLabel.text += _keyButton.text
                         }
                     }