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import Qt 4.7
import "QWidgets" 1.0

Rectangle {
    id: window

    property int margin: 30

    width: 640; height: 480
    color: palette.window

    SystemPalette { id: palette }

    MyPushButton {
        id: button1
        x: margin; y: margin
        text: "Right"
        transformOriginPoint: Qt.point(width / 2, height / 2)

        onClicked: window.state = "right"
    }

    MyPushButton {
        id: button2
        x: margin; y: margin + 30
        text: "Bottom"
        transformOriginPoint: Qt.point(width / 2, height / 2)

        onClicked: window.state = "bottom"
    }

    MyPushButton {
        id: button3
        x: margin; y: margin + 60
        text: "Quit"
        transformOriginPoint: Qt.point(width / 2, height / 2)

        onClicked: Qt.quit()
    }

    states: [
        State {
            name: "right"
            PropertyChanges { target: button1; x: window.width - width - margin; text: "Left"; onClicked: window.state = "" }
            PropertyChanges { target: button2; x: window.width - width - margin }
            PropertyChanges { target: button3; x: window.width - width - margin }
            PropertyChanges { target: window; color: Qt.darker(palette.window) }
        },
        State {
            name: "bottom"
            PropertyChanges { target: button1; y: window.height - height - margin; rotation: 180 }
            PropertyChanges {
                target: button2
                x: button1.x + button1.width + 10; y: window.height - height - margin
                rotation: 180
                text: "Top"
                onClicked: window.state = ""
            }
            PropertyChanges { target: button3; x: button2.x + button2.width + 10; y: window.height - height - margin;  rotation: 180 }
            PropertyChanges { target: window; color: Qt.lighter(palette.window) }
        }
    ]

    transitions: Transition {
        ParallelAnimation {
            NumberAnimation { properties: "x,y,rotation"; duration: 600; easing.type: Easing.OutQuad }
            ColorAnimation { target: window; duration: 600 }
        }
    }
}