MeeGo 1.2 Harmattan Developer Documentation Develop for the Nokia N9

CameraPropertyButton.qml Example File

declarative-camera/CameraPropertyButton.qml
 /****************************************************************************
 **
 ** Copyright (C) 2010 Nokia Corporation and/or its subsidiary(-ies).
 ** All rights reserved.
 ** Contact: Nokia Corporation (qt-info@nokia.com)
 **
 ** This file is part of the examples of the Qt Mobility Components.
 **
 ** $QT_BEGIN_LICENSE:BSD$
 ** 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 Nokia Corporation 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 Qt 4.7
 import QtMultimediaKit 1.1

 Item {
     id: propertyButton
     property alias value : popup.currentValue
     property alias model : popup.model

     width : 144
     height: 70

     BorderImage {
         id: buttonImage
         source: "images/toolbutton.sci"
         width: propertyButton.width; height: propertyButton.height
     }

     CameraButton {
         anchors.fill: parent
         Image {
             anchors.centerIn: parent
             source: popup.currentItem.icon
         }

         onClicked: popup.toggle()
     }

     CameraPropertyPopup {
         id: popup
         anchors.right: parent.left
         anchors.rightMargin: 16
         anchors.top: parent.top
         state: "invisible"
         visible: opacity > 0

         currentValue: propertyButton.value

         states: [
             State {
                 name: "invisible"
                 PropertyChanges { target: popup; opacity: 0 }
                 PropertyChanges { target: camera; focus: true }
             },

             State {
                 name: "visible"
                 PropertyChanges { target: popup; opacity: 1.0 }
             }
         ]

         transitions: Transition {
             NumberAnimation { properties: "opacity"; duration: 100 }
         }

         function toggle() {
             if (state == "visible")
                 state = "invisible";
             else
                 state = "visible";
         }

         onSelected: {
             popup.state = "invisible"
         }
     }
 }