Qt 4.7: workerscript.qml Example File (declarative/threading/workerscript/workerscript.qml)

Qt Reference Documentation

# workerscript.qml Example File

declarative/threading/workerscript/workerscript.qml

     /****************************************************************************
     **
     ** Copyright (C) 2011 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 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 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 QtQuick 1.0

     Rectangle {
         width: 480; height: 320

         WorkerScript {
             id: myWorker
             source: "workerscript.js"

             onMessage: {
                 console.log("Moved " + messageObject.xmove + " along the X axis.");
                 console.log("Moved " + messageObject.ymove + " along the Y axis.");
                 console.log("Moved " + messageObject.move + " pixels.");
             }
         }

         Rectangle {
             width: 200; height: 200
             anchors.left: parent.left; anchors.leftMargin: 20
             color: "red"

             MouseArea {
                 anchors.fill: parent
                 onClicked: myWorker.sendMessage( { rectangle: "red", x: mouse.x, y: mouse.y } );
             }
         }

         Rectangle {
             width: 200; height: 200
             anchors.right: parent.right; anchors.rightMargin: 20
             color: "blue"

             MouseArea {
                 anchors.fill: parent
                 onClicked: myWorker.sendMessage( { rectangle: "blue", x: mouse.x, y: mouse.y } );
             }
         }

         Text {
             text: "Click a Rectangle!"
             anchors { horizontalCenter: parent.horizontalCenter; bottom: parent.bottom; bottomMargin: 50 }
         }
     }