File indexing completed on 2024-11-10 04:56:59

 /*
     KWin - the KDE window manager
     This file is part of the KDE project.
 
     SPDX-FileCopyrightText: 2007 Rivo Laks <rivolaks@hot.ee>
     SPDX-FileCopyrightText: 2008 Lucas Murray <lmurray@undefinedfire.com>
 
     SPDX-License-Identifier: GPL-2.0-or-later
 */
 
 #pragma once
 
 #include "effect/offscreeneffect.h"
 
 namespace KWin
 {
 
 class GLShader;
 
 /**
  * Inverts desktop's colors
  */
 class InvertEffect : public OffscreenEffect
 {
     Q_OBJECT
 public:
     InvertEffect();
     ~InvertEffect() override;
 
     bool isActive() const override;
     bool provides(Feature) override;
     int requestedEffectChainPosition() const override;
 
     static bool supported();
 
 public Q_SLOTS:
     void toggleScreenInversion();
     void toggleWindow();
 
     void slotWindowAdded(KWin::EffectWindow *w);
     void slotWindowClosed(KWin::EffectWindow *w);
 
 protected:
     bool loadData();
 
 private:
     bool isInvertable(EffectWindow *window) const;
     void invert(EffectWindow *window);
     void uninvert(EffectWindow *window);
 
     bool m_inited;
     bool m_valid;
     std::unique_ptr<GLShader> m_shader;
     bool m_allWindows;
     QList<EffectWindow *> m_windows;
 };
 
 inline int InvertEffect::requestedEffectChainPosition() const
 {
     return 99;
 }
 
 } // namespace