neutral/RealInput.qml

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import QtQuick 1.1

TextInput
{
    id: input
    property alias minimumValue: realvalidator.bottom
    property alias maximumValue: realvalidator.top
    SystemPalette { id: palette }
    
    Rectangle { color: palette.base; anchors.fill: parent; z: parent.z-1; opacity: 1 }
    
    property double value: parseFloat(text)
    inputMethodHints: Qt.ImhDigitsOnly | Qt.ImhNoPredictiveText
    
    validator: DoubleValidator { id: realvalidator }
    
    onTextChanged: value=parseFloat(text)
    
    Component.onCompleted: text=value
    
    Row {
        anchors.right: parent.right
        height: parent.height
        Button {
            text: "+"
            height: parent.height
            onClicked: {
                if(input.value+1<maximumValue) {
                    input.text=(input.value+1)
                }
            }
        }
        Button {
            text: "-"
            onClicked: {
                if(input.value-1>minimumValue) {
                    input.text=(input.value-1)
                }
            }
            height: parent.height
        }
    }
}