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Diffstat (limited to 'examples/controls/chattutorial/chapter4-models/main.cpp')
-rw-r--r-- | examples/controls/chattutorial/chapter4-models/main.cpp | 90 |
1 files changed, 90 insertions, 0 deletions
diff --git a/examples/controls/chattutorial/chapter4-models/main.cpp b/examples/controls/chattutorial/chapter4-models/main.cpp new file mode 100644 index 00000000..9f2109fa --- /dev/null +++ b/examples/controls/chattutorial/chapter4-models/main.cpp @@ -0,0 +1,90 @@ +/**************************************************************************** +** +** Copyright (C) 2015 The Qt Company Ltd. +** Contact: http://www.qt.io/licensing/ +** +** This file is part of the examples of the Qt Toolkit. +** +** $QT_BEGIN_LICENSE:BSD$ +** 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." +** +** $QT_END_LICENSE$ +** +****************************************************************************/ + +#include <QGuiApplication> +#include <QStandardPaths> +#include <QSqlDatabase> +#include <QSqlError> +#include <QtQml> + +#include "sqlcontactmodel.h" +#include "sqlconversationmodel.h" + +static void connectToDatabase() +{ + QSqlDatabase database = QSqlDatabase::database(); + if (!database.isValid()) { + database = QSqlDatabase::addDatabase("QSQLITE"); + if (!database.isValid()) + qFatal("Cannot add database: %s", qPrintable(database.lastError().text())); + } + + const QDir writeDir = QStandardPaths::writableLocation(QStandardPaths::AppDataLocation); + if (!writeDir.mkpath(".")) + qFatal("Failed to create writable directory at %s", qPrintable(writeDir.absolutePath())); + + // Ensure that we have a writable location on all devices. + const QString fileName = writeDir.absolutePath() + "/chat-database.sqlite3"; + // When using the SQLite driver, open() will create the SQLite database if it doesn't exist. + database.setDatabaseName(fileName); + if (!database.open()) { + qFatal("Cannot open database: %s", qPrintable(database.lastError().text())); + QFile::remove(fileName); + } +} + +int main(int argc, char *argv[]) +{ + QGuiApplication::setAttribute(Qt::AA_EnableHighDpiScaling); + QGuiApplication app(argc, argv); + + qmlRegisterType<SqlContactModel>("io.qt.examples.chattutorial", 1, 0, "SqlContactModel"); + qmlRegisterType<SqlConversationModel>("io.qt.examples.chattutorial", 1, 0, "SqlConversationModel"); + + connectToDatabase(); + + QQmlApplicationEngine engine; + engine.load(QUrl(QStringLiteral("qrc:/main.qml"))); + if (engine.rootObjects().isEmpty()) + return -1; + + return app.exec(); +} + |