1 import Qt 4.7

     2 

     3 Item {

     4     width: 300

     5     height: 400

     6 

     7     Rectangle {

     8         id: root

     9         color: "darkkhaki"

    10 

    11         x: 50

    12         y: 50

    13 

    14         width: 200

    15         height: 300

    16 

    17         Rectangle {

    18             id: statusbar

    19             color: "chocolate"

    20 

    21             height: 30

    22 

    23             anchors.top: root.top

    24             anchors.left: root.left

    25             anchors.right: root.right

    26         }

    27 

    28         Rectangle {

    29             id: titlebar

    30             color: "crimson"

    31 

    32             height: 60

    33 

    34             anchors.top: statusbar.bottom

    35             anchors.left: root.left

    36             anchors.right: root.right

    37         }

    38 

    39         MouseArea {

    40             anchors.fill: parent

    41             onClicked: {

    42                 root.state = root.state ? "" : "fullscreen";

    43             }

    44         }

    45 

    46         states: [

    47             State {

    48                 name: "fullscreen"

    49                 AnchorChanges {

    50                     target: statusbar

    51                     anchors.top: undefined

    52                     anchors.bottom: titlebar.top

    53                 }

    54                 AnchorChanges {

    55                     target: titlebar

    56                     anchors.top: undefined

    57                     anchors.bottom: root.top

    58                 }

    59             }

    60         ]

    61 

    62         transitions: [

    63             Transition {

    64                 AnchorAnimation { }

    65             }

    66         ]

    67     }

    68 }