qtesteventloop.h
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- ** Copyright (C) 2008 Nokia Corporation and/or its subsidiary(-ies).
- ** Contact: Qt Software Information (qt-info@nokia.com)
- **
- ** This file is part of the QtTest module of the Qt Toolkit.
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- ** GNU General Public License Usage
- ** Alternatively, this file may be used under the terms of the GNU
- ** General Public License versions 2.0 or 3.0 as published by the Free
- ** Software Foundation and appearing in the file LICENSE.GPL included in
- ** the packaging of this file. Please review the following information
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- #ifndef QTESTEVENTLOOP_H
- #define QTESTEVENTLOOP_H
- #include <QtTest/qtest_global.h>
- #include <QtCore/qcoreapplication.h>
- #include <QtCore/qeventloop.h>
- #include <QtCore/qobject.h>
- #include <QtCore/qpointer.h>
- QT_BEGIN_HEADER
- QT_BEGIN_NAMESPACE
- QT_MODULE(Test)
- class Q_TESTLIB_EXPORT QTestEventLoop : public QObject
- {
- Q_OBJECT
- public:
- inline QTestEventLoop(QObject *aParent = 0)
- : QObject(aParent), inLoop(false), _timeout(false), timerId(-1), loop(0) {}
- inline void enterLoop(int secs);
- inline void changeInterval(int secs)
- { killTimer(timerId); timerId = startTimer(secs * 1000); }
- inline bool timeout() const
- { return _timeout; }
- inline static QTestEventLoop &instance()
- {
- static QPointer<QTestEventLoop> testLoop;
- if (testLoop.isNull())
- testLoop = new QTestEventLoop(QCoreApplication::instance());
- return *static_cast<QTestEventLoop *>(testLoop);
- }
- public Q_SLOTS:
- inline void exitLoop();
- protected:
- inline void timerEvent(QTimerEvent *e);
- private:
- bool inLoop;
- bool _timeout;
- int timerId;
- QEventLoop *loop;
- };
- inline void QTestEventLoop::enterLoop(int secs)
- {
- Q_ASSERT(!loop);
- QEventLoop l;
- inLoop = true;
- _timeout = false;
- timerId = startTimer(secs * 1000);
- loop = &l;
- l.exec();
- loop = 0;
- }
- inline void QTestEventLoop::exitLoop()
- {
- if (timerId != -1)
- killTimer(timerId);
- timerId = -1;
- if (loop)
- loop->exit();
- inLoop = false;
- }
- inline void QTestEventLoop::timerEvent(QTimerEvent *e)
- {
- if (e->timerId() != timerId)
- return;
- _timeout = true;
- exitLoop();
- }
- QT_END_NAMESPACE
- QT_END_HEADER
- #endif