Qt 5.7 | Qt Quick | UI Components: Dial Control Example | Dial.qml Example File

Qt 5.7.1 Reference Documentation

# Dial.qml Example File

customitems/dialcontrol/content/Dial.qml

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      ** This file is part of the examples of the Qt Toolkit.
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      import QtQuick 2.0

      Item {
          id: root
          property real value : 0

          width: 210; height: 210

          Image { source: "background.png" }

          Image {
              x: 96
              y: 35
              source: "needle_shadow.png"
              transform: Rotation {
                  origin.x: 9; origin.y: 67
                  angle: needleRotation.angle
              }
          }
          Image {
              id: needle
              x: 98; y: 33
              antialiasing: true
              source: "needle.png"
              transform: Rotation {
                  id: needleRotation
                  origin.x: 5; origin.y: 65
                  angle: Math.min(Math.max(-130, root.value*2.6 - 130), 133)
                  Behavior on angle {
                      SpringAnimation {
                          spring: 1.4
                          damping: .15
                      }
                  }
              }
          }
          Image { x: 21; y: 18; source: "overlay.png" }
      }