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/****************************************************************************
**
** Copyright (C) 2013 Digia Plc and/or its subsidiary(-ies).
** Contact: http://www.qt-project.org/legal
**
** This file is part of the Qt Quick Controls 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.Window 2.1
import QtQuick 2.1
import QtQuick.Controls 1.0
import QtQuick.Layouts 1.0
import QtQuick.Controls.Private 1.0

/*!
    \qmltype ApplicationWindow
    \inqmlmodule QtQuick.Controls 1.0
    \ingroup applicationwindow
    \brief Provides a top-level application window.

    ApplicationWindow is a \l Window, but adds convenience for positioning items
    such as \l MenuBar, \l ToolBar, and \l StatusBar in a platform independent
    manner.

    \code
    ApplicationWindow {
        id: window
        menuBar: MenuBar {
            Menu { MenuItem {...} }
            Menu { MenuItem {...} }
        }

        toolBar: ToolBar {
            RowLayout {
                anchors.fill: parent
                ToolButton {...}
            }
        }

        TabView {
            id: myContent
            anchors.fill: parent
            ...
        }
    }
    \endcode
*/

Window {
    id: root

    width: 320
    height: 240

    /*!
        \qmlproperty MenuBar ApplicationWindow::menuBar

        This property holds the \l MenuBar.

        By default, this value is not set.
    */
    property MenuBar menuBar: null

    /*!
        \qmlproperty Item ApplicationWindow::toolBar

        This property holds the toolbar \l Item.

        It can be set to any Item type but is generally used with \l ToolBar.

        By default, this value is not set. When you set the toolbar item, it will
        be anchored automatically into the application window.
    */
    property Item toolBar

    /*!
        \qmlproperty Item ApplicationWindow::statusBar

        This property holds the status bar \l Item.

        It can be set to any Item type but is generally used with \l StatusBar.

        By default, this value is not set. When you set the status bar item, it
        will be anchored automatically into the application window.
    */
    property Item statusBar

    /*! \internal */
    onToolBarChanged: { if (toolBar) { toolBar.parent = toolBarArea } }

    /*! \internal */
    onStatusBarChanged: { if (statusBar) { statusBar.parent = statusBarArea } }

    /*! \internal */
    default property alias data: contentArea.data

    color: syspal.window

    SystemPalette {id: syspal}

    Item {
        id: backgroundItem
        anchors.fill: parent

        Row {
            id: toolBarArea
            anchors.top: parent.top
            anchors.left: parent.left
            anchors.right: parent.right
        }

        Item {
            id: contentArea
            anchors.top: toolBarArea.bottom
            anchors.left: parent.left
            anchors.right: parent.right
            anchors.bottom: statusBarArea.top
        }

        Row {
            id: statusBarArea
            anchors.bottom: parent.bottom
            anchors.left: parent.left
            anchors.right: parent.right
        }

        onVisibleChanged: if (visible && menuBar) menuBar.__parentWindow = root

        states: State {
            name: "hasMenuBar"
            when: menuBar && !menuBar.__isNative

            ParentChange {
                target: menuBar.__contentItem
                parent: backgroundItem
            }

            PropertyChanges {
                target: menuBar.__contentItem
                x: 0
                y: 0
                width: backgroundItem.width
            }

            AnchorChanges {
                target: toolBarArea
                anchors.top: menuBar.__contentItem.bottom
            }
        }
    }
}