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C++

/*
KWin - the KDE window manager
This file is part of the KDE project.
SPDX-FileCopyrightText: 2009 Michael Zanetti <michael_zanetti@gmx.net>
SPDX-License-Identifier: GPL-2.0-or-later
*/
#ifndef KWIN_SLIDEBACK_H
#define KWIN_SLIDEBACK_H
// Include with base class for effects.
#include <kwineffects.h>
namespace KWin
{
class SlideBackEffect
: public Effect
{
Q_OBJECT
public:
SlideBackEffect();
void prePaintWindow(EffectWindow *w, WindowPrePaintData &data, std::chrono::milliseconds presentTime) override;
void paintWindow(EffectWindow* w, int mask, QRegion region, WindowPaintData& data) override;
void postPaintWindow(EffectWindow* w) override;
void prePaintScreen(ScreenPrePaintData &data, std::chrono::milliseconds presentTime) override;
void postPaintScreen() override;
bool isActive() const override;
int requestedEffectChainPosition() const override {
return 50;
}
public Q_SLOTS:
void slotWindowAdded(KWin::EffectWindow *w);
void slotWindowDeleted(KWin::EffectWindow *w);
void slotWindowUnminimized(KWin::EffectWindow *w);
void slotStackingOrderChanged();
void slotTabBoxAdded();
void slotTabBoxClosed();
private:
WindowMotionManager motionManager;
EffectWindowList usableOldStackingOrder;
EffectWindowList oldStackingOrder;
EffectWindowList coveringWindows;
EffectWindowList elevatedList;
EffectWindow *m_justMapped, *m_upmostWindow;
QHash<EffectWindow *, QRect> destinationList;
int m_tabboxActive;
QList <QRegion> clippedRegions;
std::chrono::milliseconds m_lastPresentTime = std::chrono::milliseconds::zero();
QRect getSlideDestination(const QRect &windowUnderGeometry, const QRect &windowOverGeometry);
bool isWindowUsable(EffectWindow *w);
bool intersects(EffectWindow *windowUnder, const QRect &windowOverGeometry);
EffectWindowList usableWindows(const EffectWindowList &allWindows);
QRect getModalGroupGeometry(EffectWindow *w);
void windowRaised(EffectWindow *w);
};
} // namespace
#endif