LauncherPage.qml Example File

wearable/qml/LauncherPage.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
 import QtQuick.Controls 2.3 as QQC2
 import "Style"

 PathView {
     id: circularView

     signal launched(string page)

     readonly property int cX: width / 2
     readonly property int cY: height / 2
     readonly property int itemSize: size / 4
     readonly property int size: Math.min(width - 80, height)
     readonly property int radius: size / 2 - itemSize / 3

     snapMode: PathView.SnapToItem

     model: ListModel {
         ListElement {
             title: qsTr("World Clock")
             icon: "worldclock"
             page: "WorldClock/WorldClockPage.qml"
         }
         ListElement {
             title: qsTr("Navigation")
             icon: "navigation"
             page: "Navigation/NavigationPage.qml"
         }
         ListElement {
             title: qsTr("Weather")
             icon: "weather"
             page: "Weather/WeatherPage.qml"
         }
         ListElement {
             title: qsTr("Fitness")
             icon: "fitness"
             page: "Fitness/FitnessPage.qml"
         }
         ListElement {
             title: qsTr("Notifications")
             icon: "notifications"
             page: "Notifications/NotificationsPage.qml"
         }
         ListElement {
             title: qsTr("Alarm")
             icon: "alarms"
             page: "Alarms/AlarmsPage.qml"
         }
         ListElement {
             title: qsTr("Settings")
             icon: "settings"
             page: "Settings/SettingsPage.qml"
         }
     }

     delegate: QQC2.RoundButton {
         width: circularView.itemSize
         height: circularView.itemSize

         property string title: model.title

         icon.width: 36
         icon.height: 36
         icon.name: model.icon
         opacity: PathView.itemOpacity
         padding: 12

         background: Rectangle {
             radius: width / 2
             border.width: 3
             border.color: parent.PathView.isCurrentItem ? UIStyle.colorQtPrimGreen : UIStyle.themeColorQtGray4
         }

         onClicked: {
             if (PathView.isCurrentItem)
                 circularView.launched(Qt.resolvedUrl(page))
             else
                 circularView.currentIndex = index
         }
     }

     path: Path {
         startX: circularView.cX
         startY: circularView.cY
         PathAttribute {
             name: "itemOpacity"
             value: 1.0
         }
         PathLine {
             x: circularView.cX + circularView.radius
             y: circularView.cY
         }
         PathAttribute {
             name: "itemOpacity"
             value: 0.7
         }
         PathArc {
             x: circularView.cX - circularView.radius
             y: circularView.cY
             radiusX: circularView.radius
             radiusY: circularView.radius
             useLargeArc: true
             direction: PathArc.Clockwise
         }
         PathAttribute {
             name: "itemOpacity"
             value: 0.5
         }
         PathArc {
             x: circularView.cX + circularView.radius
             y: circularView.cY
             radiusX: circularView.radius
             radiusY: circularView.radius
             useLargeArc: true
             direction: PathArc.Clockwise
         }
         PathAttribute {
             name: "itemOpacity"
             value: 0.3
         }
     }

     Text {
         id: appTitle

         property Item currentItem: circularView.currentItem

         visible: currentItem ? currentItem.PathView.itemOpacity === 1.0 : 0

         text: currentItem ? currentItem.title : ""
         anchors.centerIn: parent
         anchors.verticalCenterOffset: (circularView.itemSize + height) / 2

         font.bold: true
         font.pixelSize: circularView.itemSize / 3
         font.letterSpacing: 1
         color: UIStyle.themeColorQtGray1
     }
 }