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+/****************************************************************************
+**
+** Copyright (C) 2022 The Qt Company Ltd.
+** Contact: https://www.qt.io/licensing/
+**
+** This file is part of the Qt for Python 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
+
+Item {
+ id: app
+ anchors.fill: parent
+ opacity: 0.0
+
+ Behavior on opacity { NumberAnimation { duration: 500 } }
+
+ property var lastPages: []
+ property int __currentIndex: 0
+
+ function init()
+ {
+ opacity = 1.0
+ showPage("Connect.qml")
+ }
+
+ function prevPage()
+ {
+ lastPages.pop()
+ pageLoader.setSource(lastPages[lastPages.length-1])
+ __currentIndex = lastPages.length-1;
+ }
+
+ function showPage(name)
+ {
+ lastPages.push(name)
+ pageLoader.setSource(name)
+ __currentIndex = lastPages.length-1;
+ }
+
+ TitleBar {
+ id: titleBar
+ currentIndex: __currentIndex
+
+ onTitleClicked: (index) => {
+ if (index < __currentIndex)
+ pageLoader.item.close()
+ }
+ }
+
+ Loader {
+ id: pageLoader
+ anchors.left: parent.left
+ anchors.right: parent.right
+ anchors.top: titleBar.bottom
+ anchors.bottom: parent.bottom
+
+ onStatusChanged: {
+ if (status === Loader.Ready)
+ {
+ pageLoader.item.init();
+ pageLoader.item.forceActiveFocus()
+ }
+ }
+ }
+
+ Keys.onReleased: (event) => {
+ switch (event.key) {
+ case Qt.Key_Escape:
+ case Qt.Key_Back: {
+ if (__currentIndex > 0) {
+ pageLoader.item.close()
+ event.accepted = true
+ } else {
+ Qt.quit()
+ }
+ break;
+ }
+ default: break;
+ }
+ }
+
+ BluetoothAlarmDialog {
+ id: btAlarmDialog
+ anchors.fill: parent
+ visible: !connectionHandler.alive
+ }
+}