/****************************************************************************
**
** Copyright (C) 2020 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
import QtQuick.Controls
import QtQuick.Layouts

Rectangle {
    id: colorPicker
    property string description
    property vector3d colorVector: Qt.vector3d(0.0, 0.0, 0.0)
    width: 200
    height: 35

    color: Qt.rgba(colorVector.x, colorVector.y, colorVector.z, 1.0)

    function close()
    {
        colorSliders.visible = false
    }

    TapHandler {
        onTapped: {
            if (!colorSliders.visible) {
                rSlider.value = colorVector.x
                gSlider.value = colorVector.y
                bSlider.value = colorVector.z
            }
            colorSliders.visible = !colorSliders.visible
        }
    }

    Text {
        anchors.verticalCenter: parent.verticalCenter
        x: 20
        text: parent.description
        style: Text.Outline
        styleColor: "white"
        font.pixelSize: 20
        font.bold: true
    }
    Rectangle {
        id: colorSliders
        visible: false
        anchors.verticalCenter: colorPicker.verticalCenter
        anchors.left: colorPicker.right
        width: col.width
        height: col.height
        z: 10
        color: "#cccccc"
        Column {
            id: col
            Slider {
                id: rSlider
                onValueChanged: colorVector.x = value
                Rectangle {
                    anchors.fill: parent
                    z: -1
                    color: "red"
                }
            }
            Slider {
                id: gSlider
                onValueChanged: colorVector.y = value
                Rectangle {
                    anchors.fill: parent
                    z: -1
                    color: "green"
                }
            }
            Slider {
                id: bSlider
                onValueChanged: colorVector.z = value
                Rectangle {
                    anchors.fill: parent
                    z: -1
                    color: "blue"
                }
            }
        }
        // Very quick-and-dirty implicit mouse grabbing.
        MouseArea {
            id: implicitMouseGrabber
            x: -3000
            y: -3000
            z: -1
            width: 6000
            height: 6000

            onClicked: colorSliders.visible = false
        }
        onVisibleChanged: {
            if (visible) {
                colorPicker.z = 10
                colorPicker.parent.z = 10
            } else {
                colorPicker.z = 0
                colorPicker.parent.z = 0
            }
        }
    }
}
