PieMenuControlView.qml Example File

gallery/qml/PieMenuControlView.qml
/****************************************************************************
**
** Copyright (C) 2016 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 QtGraphicalEffects 1.0
import QtQuick.Controls 1.1
import QtQuick.Extras 1.4

Rectangle {
    id: view
    color: customizerItem.currentStyleDark ? "#111" : "#555"

    Behavior on color {
        ColorAnimation {}
    }

    Keys.onReleased: {
        if (event.key === Qt.Key_Back) {
            stackView.pop();
            event.accepted = true;
        }
    }

    property bool darkBackground: true

    property Component mouseArea

    property Component customizer: Item {
        property alias currentStylePath: stylePicker.currentStylePath
        property alias currentStyleDark: stylePicker.currentStyleDark

        StylePicker {
            id: stylePicker
            currentIndex: 0
            width: Math.round(Math.max(textSingleton.implicitHeight * 6 * 2, parent.width * 0.5))
            anchors.centerIn: parent

            model: ListModel {
                ListElement {
                    name: "Default"
                    path: "PieMenuDefaultStyle.qml"
                    dark: false
                }
                ListElement {
                    name: "Dark"
                    path: "PieMenuDarkStyle.qml"
                    dark: true
                }
            }
        }
    }

    property alias controlItem: pieMenu
    property alias customizerItem: customizerLoader.item

    Item {
        id: controlBoundsItem
        width: parent.width
        height: parent.height - toolbar.height
        visible: customizerLoader.opacity === 0

        Image {
            id: bgImage
            anchors.centerIn: parent
            height: 48
            Text {
                id: bgLabel
                anchors.top: parent.bottom
                anchors.topMargin: 20
                anchors.horizontalCenter: parent.horizontalCenter
                text: "Tap to open"
                color: "#999"
                font.pointSize: 20
            }
        }

        MouseArea {
            id: touchArea
            anchors.fill: parent
            onClicked: pieMenu.popup(touchArea.mouseX, touchArea.mouseY)
        }

        PieMenu {
            id: pieMenu
            triggerMode: TriggerMode.TriggerOnClick
            width: Math.min(controlBoundsItem.width, controlBoundsItem.height) * 0.5
            height: width

            style: Qt.createComponent(customizerItem.currentStylePath)

            MenuItem {
                text: "Zoom In"
                onTriggered: {
                    bgImage.source = iconSource
                    bgLabel.text = text + " selected"
                }
                iconSource: "qrc:/images/zoom_in.png"
            }
            MenuItem {
                text: "Zoom Out"
                onTriggered: {
                    bgImage.source = iconSource
                    bgLabel.text = text + " selected"
                }
                iconSource: "qrc:/images/zoom_out.png"
            }
            MenuItem {
                text: "Info"
                onTriggered: {
                    bgImage.source = iconSource
                    bgLabel.text = text + " selected"
                }
                iconSource: "qrc:/images/info.png"
            }
        }
    }
    Loader {
        id: customizerLoader
        sourceComponent: customizer
        opacity: 0
        anchors.left: parent.left
        anchors.right: parent.right
        anchors.leftMargin: 30
        anchors.rightMargin: 30
        y: parent.height / 2 - height / 2 - toolbar.height
        visible: customizerLoader.opacity > 0

        property alias view: view

        Behavior on y {
            NumberAnimation {
                duration: 300
            }
        }

        Behavior on opacity {
            NumberAnimation {
                duration: 300
            }
        }
    }

    ControlViewToolbar {
        id: toolbar

        onCustomizeClicked: {
            customizerLoader.opacity = customizerLoader.opacity == 0 ? 1 : 0;
        }
    }
}

© 2016 The Qt Company Ltd. Documentation contributions included herein are the copyrights of their respective owners. The documentation provided herein is licensed under the terms of the GNU Free Documentation License version 1.3 as published by the Free Software Foundation. Qt and respective logos are trademarks of The Qt Company Ltd. in Finland and/or other countries worldwide. All other trademarks are property of their respective owners.