sheet.h

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/*
    KWin - the KDE window manager
    This file is part of the KDE project.
 
    SPDX-FileCopyrightText: 2007 Philip Falkner <philip.falkner@gmail.com>
    SPDX-FileCopyrightText: 2009 Martin Gräßlin <mgraesslin@kde.org>
    SPDX-FileCopyrightText: 2018 Vlad Zahorodnii <vlad.zahorodnii@kde.org>
 
    SPDX-License-Identifier: GPL-2.0-or-later
*/
 
#pragma once
 
// kwineffects
#include "effect/effect.h"
#include "effect/effectwindow.h"
#include "effect/timeline.h"
 
namespace KWin
{
 
class SheetEffect : public Effect
{
    Q_OBJECT
    Q_PROPERTY(int duration READ duration)
 
public:
    SheetEffect();
 
    void reconfigure(ReconfigureFlags flags) override;
 
    void prePaintScreen(ScreenPrePaintData &data, std::chrono::milliseconds presentTime) override;
    void prePaintWindow(EffectWindow *w, WindowPrePaintData &data, std::chrono::milliseconds presentTime) override;
    void paintWindow(const RenderTarget &renderTarget, const RenderViewport &viewport, EffectWindow *w, int mask, QRegion region, WindowPaintData &data) override;
    void postPaintWindow(EffectWindow *w) override;
 
    bool isActive() const override;
    int requestedEffectChainPosition() const override;
 
    static bool supported();
 
    int duration() const;
 
private Q_SLOTS:
    void slotWindowAdded(EffectWindow *w);
    void slotWindowClosed(EffectWindow *w);
 
private:
    bool isSheetWindow(EffectWindow *w) const;
 
private:
    std::chrono::milliseconds m_duration;
 
    struct Animation
    {
        EffectWindowDeletedRef deletedRef;
        TimeLine timeLine;
        int parentY;
    };
 
    QHash<EffectWindow *, Animation> m_animations;
};
 
inline int SheetEffect::requestedEffectChainPosition() const
{
    return 60;
}
 
inline int SheetEffect::duration() const
{
    return m_duration.count();
}
 
} // namespace KWin