dialcontrol.qml Example File

/****************************************************************************
**
** 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 2.2
import QtQuick.Window 2.1
import "content"

Rectangle {
    color: "#545454"
    width: 300; height: 300

    // Dial with a slider to adjust it
    Dial {
        id: dial
        anchors.centerIn: parent
        value: slider.x * 100 / (container.width - 32)
    }

    Rectangle {
        id: container
        property int oldWidth: 0
        anchors { bottom: parent.bottom; left: parent.left
            right: parent.right; leftMargin: 20; rightMargin: 20
            bottomMargin: 10
        }
        height: 16

        radius: 8
        opacity: 0.7
        antialiasing: true
        gradient: Gradient {
            GradientStop { position: 0.0; color: "gray" }
            GradientStop { position: 1.0; color: "white" }
        }

        onWidthChanged: {
            if (oldWidth === 0) {
                oldWidth = width;
                return
            }

            var desiredPercent = slider.x * 100 / (oldWidth - 32)
            slider.x = desiredPercent * (width - 32) / 100
            oldWidth = width
        }

        Rectangle {
            id: slider
            x: 1; y: 1; width: 30; height: 14
            radius: 6
            antialiasing: true
            gradient: Gradient {
                GradientStop { position: 0.0; color: "#424242" }
                GradientStop { position: 1.0; color: "black" }
            }

            MouseArea {
                anchors.fill: parent
                anchors.margins: -16 // Increase mouse area a lot outside the slider
                drag.target: parent; drag.axis: Drag.XAxis
                drag.minimumX: 2; drag.maximumX: container.width - 32
            }
        }
    }
    QuitButton {
        anchors.right: parent.right
        anchors.top: parent.top
        anchors.margins: 10
    }
}