Qt 5.9 | Qt Quick | Qt Quick Examples - Accessibility | Slider.qml Example File

Qt 5.9.9 Reference Documentation

# Slider.qml Example File

quick-accessibility/content/Slider.qml

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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
      }