/* Gwenview: an image viewer Copyright 2009 Aurélien Gâteau This program is free software; you can redistribute it and/or modify it under the terms of the GNU General Public License as published by the Free Software Foundation; either version 2 of the License, or (at your option) any later version. This program is distributed in the hope that it will be useful, but WITHOUT ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License for more details. You should have received a copy of the GNU General Public License along with this program; if not, write to the Free Software Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA. */ #ifndef EVENTWATCHER_H #define EVENTWATCHER_H // Qt #include #include #include // Local #include "gwenviewlib_export.h" namespace Gwenview { /** * This class emits a signal when some events are triggered on a watched * object. */ class GWENVIEWLIB_EXPORT EventWatcher : public QObject { Q_OBJECT public: EventWatcher(QObject *watched, const QList &eventTypes); static EventWatcher *install(QObject *watched, const QList &eventTypes, QObject *receiver, const char *slot); static EventWatcher *install(QObject *watched, QEvent::Type eventType, QObject *receiver, const char *slot); Q_SIGNALS: void eventTriggered(QEvent *); protected: bool eventFilter(QObject *, QEvent *event) override; private: QList mEventTypes; }; } #endif /* EVENTWATCHER_H */