kwin/effects/screenedge/screenedgeeffect.h
2020-08-07 19:57:56 +00:00

68 lines
1.6 KiB
C++

/*
KWin - the KDE window manager
This file is part of the KDE project.
SPDX-FileCopyrightText: 2013 Martin Gräßlin <mgraesslin@kde.org>
SPDX-License-Identifier: GPL-2.0-or-later
*/
#ifndef KWIN_SCREEN_EDGE_EFFECT_H
#define KWIN_SCREEN_EDGE_EFFECT_H
#include <kwineffects.h>
class QTimer;
namespace Plasma {
class Svg;
}
namespace KWin {
class Glow;
class GLTexture;
class ScreenEdgeEffect : public Effect
{
Q_OBJECT
public:
ScreenEdgeEffect();
~ScreenEdgeEffect() override;
void prePaintScreen(ScreenPrePaintData &data, int time) override;
void paintScreen(int mask, const QRegion &region, ScreenPaintData &data) override;
bool isActive() const override;
int requestedEffectChainPosition() const override {
return 90;
}
private Q_SLOTS:
void edgeApproaching(ElectricBorder border, qreal factor, const QRect &geometry);
void cleanup();
private:
void ensureGlowSvg();
Glow *createGlow(ElectricBorder border, qreal factor, const QRect &geometry);
template <typename T>
T *createCornerGlow(ElectricBorder border);
template <typename T>
T *createEdgeGlow(ElectricBorder border, const QSize &size);
QSize cornerGlowSize(ElectricBorder border);
Plasma::Svg *m_glow = nullptr;
QHash<ElectricBorder, Glow*> m_borders;
QTimer *m_cleanupTimer;
};
class Glow
{
public:
QScopedPointer<GLTexture> texture;
QScopedPointer<QImage> image;
#ifdef KWIN_HAVE_XRENDER_COMPOSITING
QScopedPointer<XRenderPicture> picture;
#endif
QSize pictureSize;
qreal strength;
QRect geometry;
ElectricBorder border;
};
}
#endif