91 lines
3.6 KiB
C++
91 lines
3.6 KiB
C++
/****************************************************************************
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**
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** Copyright (C) 2015 The Qt Company Ltd.
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** Contact: http://www.qt.io/licensing/
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**
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** This file is part of the examples of the Qt Toolkit.
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**
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** $QT_BEGIN_LICENSE:BSD$
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** You may use this file under the terms of the BSD license as follows:
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**
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** "Redistribution and use in source and binary forms, with or without
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** modification, are permitted provided that the following conditions are
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** met:
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** * Redistributions of source code must retain the above copyright
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** notice, this list of conditions and the following disclaimer.
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** * Redistributions in binary form must reproduce the above copyright
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** notice, this list of conditions and the following disclaimer in
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** the documentation and/or other materials provided with the
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** distribution.
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** * Neither the name of The Qt Company Ltd nor the names of its
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** contributors may be used to endorse or promote products derived
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** from this software without specific prior written permission.
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**
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**
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** THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
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** "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
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** LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
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** A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
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** OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
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** SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
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** LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
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** DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
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** THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
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** (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
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** OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE."
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**
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** $QT_END_LICENSE$
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**
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****************************************************************************/
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#include <QGuiApplication>
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#include <QStandardPaths>
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#include <QSqlDatabase>
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#include <QSqlError>
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#include <QtQml>
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#include "sqlcontactmodel.h"
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#include "sqlconversationmodel.h"
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static void connectToDatabase()
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{
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QSqlDatabase database = QSqlDatabase::database();
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if (!database.isValid()) {
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database = QSqlDatabase::addDatabase("QSQLITE");
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if (!database.isValid())
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qFatal("Cannot add database: %s", qPrintable(database.lastError().text()));
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}
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const QDir writeDir = QStandardPaths::writableLocation(QStandardPaths::AppDataLocation);
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if (!writeDir.mkpath("."))
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qFatal("Failed to create writable directory at %s", qPrintable(writeDir.absolutePath()));
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// Ensure that we have a writable location on all devices.
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const QString fileName = writeDir.absolutePath() + "/chat-database.sqlite3";
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// When using the SQLite driver, open() will create the SQLite database if it doesn't exist.
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database.setDatabaseName(fileName);
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if (!database.open()) {
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qFatal("Cannot open database: %s", qPrintable(database.lastError().text()));
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QFile::remove(fileName);
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}
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}
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int main(int argc, char *argv[])
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{
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QGuiApplication::setAttribute(Qt::AA_EnableHighDpiScaling);
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QGuiApplication app(argc, argv);
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qmlRegisterType<SqlContactModel>("io.qt.examples.chattutorial", 1, 0, "SqlContactModel");
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qmlRegisterType<SqlConversationModel>("io.qt.examples.chattutorial", 1, 0, "SqlConversationModel");
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connectToDatabase();
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QQmlApplicationEngine engine;
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engine.load(QUrl(QStringLiteral("qrc:/main.qml")));
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if (engine.rootObjects().isEmpty())
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return -1;
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return app.exec();
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}
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