File indexing completed on 2024-04-28 16:55:13

 /***************************************************************************
  *   Copyright (C) 2015 Kai Uwe Broulik <kde@privat.broulik.de>            *
  *                                                                         *
  *   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 KWINKSCREENHELPEREFFECT_H
 #define KWINKSCREENHELPEREFFECT_H
 
 #include <config-powerdevil.h>
 
 #include <QAbstractNativeEventFilter>
 #include <QObject>
 #include <QScopedPointer>
 #include <QTimer>
 
 #if HAVE_XCB
 #include <xcb/xcb.h>
 #endif
 
 namespace PowerDevil
 {
 class Q_DECL_EXPORT KWinKScreenHelperEffect : public QObject, public QAbstractNativeEventFilter
 {
     Q_OBJECT
 
 public:
     explicit KWinKScreenHelperEffect(QObject *parent = nullptr);
     ~KWinKScreenHelperEffect() override;
 
     enum State {
         NormalState,
         FadingOutState,
         FadedOutState,
         FadingInState
     };
 
     bool start();
 
 #if QT_VERSION < QT_VERSION_CHECK(6, 0, 0)
     bool nativeEventFilter(const QByteArray &eventType, void *message, long *result) override;
 #else
     bool nativeEventFilter(const QByteArray &eventType, void *message, qintptr *result) override;
 #endif
 
 public Q_SLOTS:
     void stop();
 
 Q_SIGNALS:
     void stateChanged(State state);
     void fadedOut();
 
 private:
     bool checkValid();
     void setEffectProperty(long value);
 
     State m_state = NormalState;
     bool m_isValid = false;
     bool m_running = false;
 
     QTimer m_abortTimer;
 
 #if HAVE_XCB
     xcb_atom_t m_atom = 0;
 #endif
 
 };
 
 } // namespace PowerDevil
 
 #endif // KWINKSCREENHELPEREFFECT_H