wigglytext.qml Example File

 /****************************************************************************
 **
 ** Copyright (C) 2012 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 {
     id: container

     property string text: "Drag this text..."
     property bool animated: true

     width: 640; height: 480; color: "#474747"; focus: true

     Keys.onPressed: {
         if (event.key == Qt.Key_Delete || event.key == Qt.Key_Backspace)
             container.remove()
         else if (event.text != "") {
             container.append(event.text)
         }
     }

     function append(text) {
         container.animated = false
         var lastLetter = container.children[container.children.length - 1]
         var newLetter = letterComponent.createObject(container)
         newLetter.text = text
         newLetter.follow = lastLetter
         container.animated = true
     }

     function remove() {
         if (container.children.length)
             container.children[container.children.length - 1].destroy()
     }

     function doLayout() {
         var follow = null
         for (var i = 0; i < container.text.length; ++i) {
             var newLetter = letterComponent.createObject(container)
             newLetter.text = container.text[i]
             newLetter.follow = follow
             follow = newLetter
         }
     }

     Component {
         id: letterComponent
         Text {
             id: letter
             property variant follow

             x: follow ? follow.x + follow.width : container.width / 3
             y: follow ? follow.y : container.height / 2

             font.pixelSize: 40; font.bold: true
             color: "#999999"; styleColor: "#222222"; style: Text.Raised

             MouseArea {
                 anchors.fill: parent
                 drag.target: letter; drag.axis: Drag.XandYAxis
                 onPressed: letter.color = "#dddddd"
                 onReleased: letter.color = "#999999"
             }

             Behavior on x { enabled: container.animated; SpringAnimation { spring: 3; damping: 0.3; mass: 1.0 } }
             Behavior on y { enabled: container.animated; SpringAnimation { spring: 3; damping: 0.3; mass: 1.0 } }
         }
     }

     Component.onCompleted: doLayout()
 }