dialcontrol.qml Example File

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import QtQuick 2.2
import QtQuick.Window 2.1
import "content"
Rectangle {
    color: "#545454"
    width: 300; height: 300
    // Dial with a slider to adjust it
    Dial {
        id: dial
        anchors.centerIn: parent
        value: slider.x * 100 / (container.width - 32)
    }
    Rectangle {
        id: container
        property int oldWidth: 0
        anchors { bottom: parent.bottom; left: parent.left
            right: parent.right; leftMargin: 20; rightMargin: 20
            bottomMargin: 10
        }
        height: 16
        radius: 8
        opacity: 0.7
        antialiasing: true
        gradient: Gradient {
            GradientStop { position: 0.0; color: "gray" }
            GradientStop { position: 1.0; color: "white" }
        }
        onWidthChanged: {
            if (oldWidth === 0) {
                oldWidth = width;
                return
            }
            var desiredPercent = slider.x * 100 / (oldWidth - 32)
            slider.x = desiredPercent * (width - 32) / 100
            oldWidth = width
        }
        Rectangle {
            id: slider
            x: 1; y: 1; width: 30; height: 14
            radius: 6
            antialiasing: true
            gradient: Gradient {
                GradientStop { position: 0.0; color: "#424242" }
                GradientStop { position: 1.0; color: "black" }
            }
            MouseArea {
                anchors.fill: parent
                anchors.margins: -16 // Increase mouse area a lot outside the slider
                drag.target: parent; drag.axis: Drag.XAxis
                drag.minimumX: 2; drag.maximumX: container.width - 32
            }
        }
    }
    QuitButton {
        anchors.right: parent.right
        anchors.top: parent.top
        anchors.margins: 10
    }
}