Qt 4.8: MenuItem.qml Example File (demos/mobile/quickhit/MenuItem.qml)

Qt Reference Documentation

- Qt 4.8
- ALL VERSIONS

- A
- A
- A
- Print

# MenuItem.qml Example File

demos/mobile/quickhit/MenuItem.qml

     /****************************************************************************
     **
     ** Copyright (C) 2012 Digia Plc and/or its subsidiary(-ies).
     ** Contact: http://www.qt-project.org/legal
     **
     ** This file is part of the QtDeclarative module of the Qt Toolkit.
     **
     ** $QT_BEGIN_LICENSE:BSD$
     ** You may use this file under the terms of the BSD license as follows:
     **
     ** "Redistribution and use in source and binary forms, with or without
     ** modification, are permitted provided that the following conditions are
     ** met:
     **   * Redistributions of source code must retain the above copyright
     **     notice, this list of conditions and the following disclaimer.
     **   * Redistributions in binary form must reproduce the above copyright
     **     notice, this list of conditions and the following disclaimer in
     **     the documentation and/or other materials provided with the
     **     distribution.
     **   * Neither the name of Digia Plc and its Subsidiary(-ies) nor the names
     **     of its contributors may be used to endorse or promote products derived
     **     from this software without specific prior written permission.
     **
     **
     ** THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
     ** "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
     ** LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
     ** A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
     ** OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
     ** SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
     ** LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
     ** DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
     ** THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
     ** (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
     ** OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE."
     **
     ** $QT_END_LICENSE$
     **
     ****************************************************************************/

     import QtQuick 1.0

     Text {
         id: menuItem
         text: name
         color: "white"
         opacity: 1
         font.family: "Calibri"
         font.pixelSize:  menu.width / 8
         x: (parent.width - width )/ 2

         property bool selectedItem: false
         property int type

         signal itemSelected()

         transform: Rotation { id:rotationId; origin.x:width/2; origin.y:height/2; axis { x: 1; y: 0; z: 0 } angle: 0 }
         SequentialAnimation {
             id: toRotateRightAndCenterAnim
             PropertyAnimation { target: rotationId; easing.type: Easing.Linear;
                 properties: "angle"; from: 0; to: 180; duration: 300 }
             PropertyAction  { target: menuItem; property: "color"; value:"red"}
             PropertyAnimation { target: rotationId; easing.type: Easing.Linear;
                 properties: "angle"; from: 180; to: 360; duration: 300 }
             PropertyAction  { target: menuItem; property: "color"; value:"white"}
         }

         function selectItem(doSelect) {
             if (!toRotateRightAndCenterAnim.running) {
                 GameEngine.playInternalSound(0)
                 toRotateRightAndCenterAnim.restart()
                 if (doSelect) {
                     GameEngine.playInternalSound(1)
                     selectionTimer.restart()
                 }
             }
         }

         Timer {
             id: selectionTimer
             interval: 1000; running: false; repeat: false
             onTriggered: menuItem.itemSelected()
         }

         MouseArea {
             id: mouseArea;
             anchors.fill: parent
             onClicked: {
                 selectItem(true)
             }
         }

         Keys.onSpacePressed: { selectItem(true) }
         Keys.onSelectPressed: { selectItem(true) }
         Keys.onEnterPressed: { selectItem(true) }
         Keys.onReleased: {
             if (event.key == Qt.Key_Down || event.key == Qt.Key_Up) {
                 selectItem(false)
             }
             event.accepted = false
         }
     }