Qt 4.8: qwidgets.qml Example File (declarative/cppextensions/qwidgets/qwidgets.qml)

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# qwidgets.qml Example File

declarative/cppextensions/qwidgets/qwidgets.qml

     /****************************************************************************
     **
     ** Copyright (C) 2014 Digia Plc and/or its subsidiary(-ies).
     ** Contact: http://www.qt-project.org/legal
     **
     ** 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 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,
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     ** LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
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     import QtQuick 1.0
     import "QWidgets" 1.0

     Rectangle {
         id: window

         property int margin: 30

         width: 640; height: 480
         color: palette.window

         SystemPalette { id: palette }

         MyPushButton {
             id: button1
             x: margin; y: margin
             text: "Right"
             transformOriginPoint: Qt.point(width / 2, height / 2)

             onClicked: window.state = "right"
         }

         MyPushButton {
             id: button2
             x: margin; y: margin + 30
             text: "Bottom"
             transformOriginPoint: Qt.point(width / 2, height / 2)

             onClicked: window.state = "bottom"
         }

         MyPushButton {
             id: button3
             x: margin; y: margin + 60
             text: "Quit"
             transformOriginPoint: Qt.point(width / 2, height / 2)

             onClicked: Qt.quit()
         }

         states: [
             State {
                 name: "right"
                 PropertyChanges { target: button1; x: window.width - width - margin; text: "Left"; onClicked: window.state = "" }
                 PropertyChanges { target: button2; x: window.width - width - margin }
                 PropertyChanges { target: button3; x: window.width - width - margin }
                 PropertyChanges { target: window; color: Qt.darker(palette.window) }
             },
             State {
                 name: "bottom"
                 PropertyChanges { target: button1; y: window.height - height - margin; rotation: 180 }
                 PropertyChanges {
                     target: button2
                     x: button1.x + button1.width + 10; y: window.height - height - margin
                     rotation: 180
                     text: "Top"
                     onClicked: window.state = ""
                 }
                 PropertyChanges { target: button3; x: button2.x + button2.width + 10; y: window.height - height - margin;  rotation: 180 }
                 PropertyChanges { target: window; color: Qt.lighter(palette.window) }
             }
         ]

         transitions: Transition {
             ParallelAnimation {
                 NumberAnimation { properties: "x,y,rotation"; duration: 600; easing.type: Easing.OutQuad }
                 ColorAnimation { target: window; duration: 600 }
             }
         }
     }