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/****************************************************************************
**
** Copyright (C) 2015 The Qt Company Ltd.
** Contact: http://www.qt.io/licensing/
**
** This file is part of the Qt Quick Extras module of the Qt Toolkit.
**
** $QT_BEGIN_LICENSE:LGPL3$
** Commercial License Usage
** Licensees holding valid commercial Qt licenses may use this file in
** accordance with the commercial license agreement provided with the
** Software or, alternatively, in accordance with the terms contained in
** a written agreement between you and The Qt Company. For licensing terms
** and conditions see http://www.qt.io/terms-conditions. For further
** information use the contact form at http://www.qt.io/contact-us.
**
** GNU Lesser General Public License Usage
** Alternatively, this file may be used under the terms of the GNU Lesser
** General Public License version 3 as published by the Free Software
** Foundation and appearing in the file LICENSE.LGPLv3 included in the
** packaging of this file. Please review the following information to
** ensure the GNU Lesser General Public License version 3 requirements
** will be met: https://www.gnu.org/licenses/lgpl.html.
**
** GNU General Public License Usage
** Alternatively, this file may be used under the terms of the GNU
** General Public License version 2.0 or later as published by the Free
** Software Foundation and appearing in the file LICENSE.GPL included in
** the packaging of this file. Please review the following information to
** ensure the GNU General Public License version 2.0 requirements will be
** met: http://www.gnu.org/licenses/gpl-2.0.html.
**
** $QT_END_LICENSE$
**
****************************************************************************/

import QtQuick 2.2
import QtQuick.Controls 1.2
import QtQuick.Controls.Private 1.0
import QtQuick.Controls.Styles.Flat 1.0

// Internal, for use with ToolButtonStyle and ToolBarStyle
Rectangle {
    id: background

    property bool buttonEnabled: false
    property bool buttonHasActiveFocus: false
    property bool buttonHovered: false
    property bool buttonChecked: false
    property bool buttonPressed: false

    color: {
        if (buttonChecked) {
            if (!buttonEnabled)
                return "transparent";
            if (buttonHasActiveFocus)
                return buttonPressed ? FlatStyle.checkedFocusedAndPressedColor : FlatStyle.focusedAndPressedColor;
            if (buttonPressed)
                return Qt.rgba(0, 0, 0, 0.1);
            return "transparent";
        }

        if (!buttonEnabled)
            return "transparent";
        if (buttonHasActiveFocus)
            return buttonPressed ? FlatStyle.focusedAndPressedColor : "transparent";
        if (buttonPressed)
            return Qt.rgba(0, 0, 0, 0.1);
        return "transparent";
    }
    border.color: {
        if (buttonChecked) {
            if (!buttonEnabled)
                return Qt.rgba(0, 0, 0, 0.1);
            if (buttonHasActiveFocus)
                return "transparent";
            if (buttonPressed)
                return Qt.rgba(0, 0, 0, 0.2);
            if (buttonHovered)
                return Qt.rgba(0, 0, 0, 0.3);
            return Qt.rgba(0, 0, 0, 0.2);
        }

        if (!buttonEnabled)
            return "transparent";
        if (buttonHasActiveFocus && !buttonPressed)
            return FlatStyle.focusedColor;
        if (buttonHovered && !buttonPressed)
            return Qt.rgba(0, 0, 0, 0.2);
        return "transparent";
    }
    border.width: buttonHasActiveFocus ? FlatStyle.twoPixels : FlatStyle.onePixel
    radius: FlatStyle.radius
}