1 import Qt 4.7

     2 

     3 Rectangle {

     4     color: "#ffffff"

     5     width: 320; height: 240

     6     MouseArea {

     7         id: mouseRegion

     8         objectName: "mouseregion"

     9         anchors.fill: parent

    10         Rectangle {

    11             id: ball

    12             objectName: "ball"

    13             width: 20; height: 20

    14             radius: 10

    15             color: "#0000ff"

    16             x: { mouseRegion.mouseX }

    17             y: mouseRegion.mouseY

    18         }

    19     }

    20 }