qt-everywhere-src-5.14.1/qtdeclarative/examples/quick/shared/CheckBox.qml

/****************************************************************************
**
** Copyright (C) 2017 The Qt Company Ltd.
** Contact: https://www.qt.io/licensing/
**
** This file is part of the examples of the Qt Toolkit.
**
** $QT_BEGIN_LICENSE:BSD$
** 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 https://www.qt.io/terms-conditions. For further
** information use the contact form at https://www.qt.io/contact-us.
**
** BSD License Usage
** Alternatively, 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 The Qt Company Ltd 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 2.12

Item {
    id: root
    implicitHeight: frame.height
    implicitWidth: row.implicitWidth
    width: implicitWidth
    height: implicitHeight
    property alias text: label.text
    property bool checked
    property alias pressed: tapHandler.pressed
    property alias row: row
    signal clicked

    SystemPalette { id: palette }

    Row {
        id: row
        anchors.verticalCenter: parent.verticalCenter
        spacing: 6
        Rectangle {
            id: frame
            gradient: Gradient {
                GradientStop { position: 0.0; color: tapHandler.pressed ? Qt.darker(palette.button, 1.3) : palette.button }
                GradientStop { position: 1.0; color: Qt.darker(palette.button, 1.3) }
            }
            height: label.implicitHeight * 1.5
            width: height
            anchors.margins: 1
            radius: 3
            antialiasing: true
            border.color: Qt.darker(palette.button, 1.5)
            Image {
                id: theX
                source: "images/checkmark.png"
                anchors.fill: frame
                anchors.margins: frame.width / 5
                fillMode: Image.PreserveAspectFit
                smooth: true
                visible: root.checked
            }
        }
        Text {
            id: label
            color: palette.text
            anchors.verticalCenter: frame.verticalCenter
        }
    }
    TapHandler {
        id: tapHandler
        onTapped: {
            parent.checked = !parent.checked
            parent.clicked()
        }
    }
}