qt5base-lts/examples/sql/sqlbrowser/main.cpp
Michael Winkelmann 3d67793a9e Revamp SQL examples to C++11
Changed signals and slots to new syntax, used nullptr and replaced
foreach with new C++11 range based for loops.
Also fixed a few minor flaws.

Task-number: QTBUG-60633
Change-Id: Ice4030133971912f96752d9d84c638c70fd73e35
Reviewed-by: Jesus Fernandez <Jesus.Fernandez@qt.io>
Reviewed-by: André Hartmann <aha_1980@gmx.de>
Reviewed-by: Friedemann Kleint <Friedemann.Kleint@qt.io>
2017-09-14 10:48:48 +00:00

103 lines
4.2 KiB
C++

/****************************************************************************
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** Copyright (C) 2016 The Qt Company Ltd.
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#include "browser.h"
#include <QtCore>
#include <QtWidgets>
#include <QtSql>
void addConnectionsFromCommandline(const QStringList &args, Browser *browser)
{
for (int i = 1; i < args.count(); ++i) {
QUrl url(args.at(i), QUrl::TolerantMode);
if (!url.isValid()) {
qWarning("Invalid URL: %s", qPrintable(args.at(i)));
continue;
}
QSqlError err = browser->addConnection(url.scheme(), url.path().mid(1), url.host(),
url.userName(), url.password(), url.port(-1));
if (err.type() != QSqlError::NoError)
qDebug() << "Unable to open connection:" << err;
}
}
int main(int argc, char *argv[])
{
QApplication app(argc, argv);
QMainWindow mainWin;
mainWin.setWindowTitle(QObject::tr("Qt SQL Browser"));
Browser browser(&mainWin);
mainWin.setCentralWidget(&browser);
QMenu *fileMenu = mainWin.menuBar()->addMenu(QObject::tr("&File"));
fileMenu->addAction(QObject::tr("Add &Connection..."),
[&]() { browser.addConnection(); });
fileMenu->addSeparator();
fileMenu->addAction(QObject::tr("&Quit"), []() { qApp->quit(); });
QMenu *helpMenu = mainWin.menuBar()->addMenu(QObject::tr("&Help"));
helpMenu->addAction(QObject::tr("About"), [&]() { browser.about(); });
helpMenu->addAction(QObject::tr("About Qt"), []() { qApp->aboutQt(); });
QObject::connect(&browser, &Browser::statusMessage, [&mainWin](const QString &text) {
mainWin.statusBar()->showMessage(text);
});
addConnectionsFromCommandline(app.arguments(), &browser);
mainWin.show();
if (QSqlDatabase::connectionNames().isEmpty())
QMetaObject::invokeMethod(&browser, "addConnection", Qt::QueuedConnection);
return app.exec();
}