Slider.qml Example File

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  import QtQuick 2.0

  // Minimal slider implementation
  Rectangle {
      id: slider

      property alias text: buttonText.text
      Accessible.role: Accessible.Slider

      property int value: 5         // required
      property int minimumValue: 0  // optional (default INT_MIN)
      property int maximumValue: 20 // optional (default INT_MAX)
      property int stepSize: 1      // optional (default 1)

      width: 100
      height: 30
      border.color: "black"
      border.width: 1

      Rectangle {
          id: indicator
          x: 1
          y: 1
          height: parent.height - 2
          width: ((parent.width - 2) / maximumValue) * value
          color: "lightgrey"
          Behavior on width {
              NumberAnimation { duration: 50 }
          }
      }

      Text {
          id: buttonText
          text: parent.value
          anchors.centerIn: parent
          font.pixelSize: parent.height * .5
      }

      MouseArea {
          anchors.fill: parent
          onClicked: {
              var pos = mouse.x / slider.width * (maximumValue - minimumValue) + minimumValue
              slider.value = pos
          }
      }

      Keys.onLeftPressed: value > minimumValue ? value = value - stepSize : minimumValue
      Keys.onRightPressed: value < maximumValue ? value = value + stepSize : maximumValue
  }