Qt 4.7: Dial.qml Example File (declarative/ui-components/dialcontrol/content/Dial.qml)

Qt Reference Documentation

# Dial.qml Example File

declarative/ui-components/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 1.0

     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
             smooth: 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" }
     }