magiclamp.h

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/*
    KWin - the KDE window manager
    This file is part of the KDE project.
 
    SPDX-FileCopyrightText: 2008 Martin Gräßlin <mgraesslin@kde.org>
 
    SPDX-License-Identifier: GPL-2.0-or-later
*/
 
#pragma once
 
#include "effect/effectwindow.h"
#include "effect/offscreeneffect.h"
#include "effect/timeline.h"
 
namespace KWin
{
 
struct MagicLampAnimation
{
    EffectWindowVisibleRef visibleRef;
    TimeLine timeLine;
};
 
class MagicLampEffect : public OffscreenEffect
{
    Q_OBJECT
 
public:
    MagicLampEffect();
 
    void reconfigure(ReconfigureFlags) override;
    void prePaintScreen(ScreenPrePaintData &data, std::chrono::milliseconds presentTime) override;
    void prePaintWindow(EffectWindow *w, WindowPrePaintData &data, std::chrono::milliseconds presentTime) override;
    void postPaintScreen() override;
    bool isActive() const override;
 
    int requestedEffectChainPosition() const override
    {
        return 50;
    }
 
    static bool supported();
 
protected:
    void apply(EffectWindow *window, int mask, WindowPaintData &data, WindowQuadList &quads) override;
 
public Q_SLOTS:
    void slotWindowAdded(KWin::EffectWindow *w);
    void slotWindowDeleted(KWin::EffectWindow *w);
    void slotWindowMinimized(KWin::EffectWindow *w);
    void slotWindowUnminimized(KWin::EffectWindow *w);
 
private:
    std::chrono::milliseconds m_duration;
    QHash<EffectWindow *, MagicLampAnimation> m_animations;
 
    enum IconPosition {
        Top,
        Bottom,
        Left,
        Right
    };
};
 
} // namespace