DialButton.qml Example File

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 import Qt 4.7

 //Implementation of the dialButton control.
 Item {
     id: dialButton
     width: 50
     height: 50
     property alias buttonText: innerText.text;
     property alias color: rectangleButton.color
     property color hoverColor: "lightsteelblue"
     property color pressColor: "slategray"
     signal clicked

     Rectangle {
         id: rectangleButton
         anchors.fill: parent
         radius: 5
         color: "steelblue"
         border.width: 3
         border.color: "black"

         Text {
             id: innerText
             font.pointSize: 20
             anchors.centerIn: parent
         }
     }

     states: [
         State {
             name: "Hovering"
             PropertyChanges {
                 target: rectangleButton
                 color: hoverColor
             }
         },
         State {
             name: "Pressed"
             PropertyChanges {
                 target: rectangleButton
                 color: pressColor
             }
         }
     ]

     transitions: [
         Transition {
             from: ""; to: "Hovering"
             ColorAnimation { duration: 100 }
         },
         Transition {
             from: "*"; to: "Pressed"
             ColorAnimation { duration: 10 }
         }
     ]

     MouseArea {
         hoverEnabled: true
         anchors.fill: dialButton
         onEntered: { dialButton.state='Hovering'}
         onExited: { dialButton.state=''}
         onClicked: { dialButton.clicked();}
         onPressed: { dialButton.state="Pressed" }
         onReleased: {
             if (containsMouse)
             dialButton.state="Hovering";
             else
             dialButton.state="";
         }
     }
 }