80 lines
2.3 KiB
C++
80 lines
2.3 KiB
C++
/********************************************************************
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KWin - the KDE window manager
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This file is part of the KDE project.
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Copyright (C) 2013 Martin Gräßlin <mgraesslin@kde.org>
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This program is free software; you can redistribute it and/or modify
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it under the terms of the GNU General Public License as published by
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the Free Software Foundation; either version 2 of the License, or
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(at your option) any later version.
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This program is distributed in the hope that it will be useful,
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but WITHOUT ANY WARRANTY; without even the implied warranty of
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MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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GNU General Public License for more details.
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You should have received a copy of the GNU General Public License
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along with this program. If not, see <http://www.gnu.org/licenses/>.
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*********************************************************************/
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#ifndef KWIN_SCREEN_EDGE_EFFECT_H
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#define KWIN_SCREEN_EDGE_EFFECT_H
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#include <kwineffects.h>
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class QTimer;
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namespace Plasma {
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class Svg;
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}
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namespace KWin {
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class Glow;
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class GLTexture;
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class ScreenEdgeEffect : public Effect
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{
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Q_OBJECT
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public:
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ScreenEdgeEffect();
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virtual ~ScreenEdgeEffect();
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virtual void prePaintScreen(ScreenPrePaintData &data, int time);
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virtual void paintScreen(int mask, QRegion region, ScreenPaintData &data);
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virtual bool isActive() const;
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int requestedEffectChainPosition() const override {
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return 90;
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}
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private Q_SLOTS:
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void edgeApproaching(ElectricBorder border, qreal factor, const QRect &geometry);
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void cleanup();
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private:
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void ensureGlowSvg();
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Glow *createGlow(ElectricBorder border, qreal factor, const QRect &geometry);
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template <typename T>
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T *createCornerGlow(ElectricBorder border);
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template <typename T>
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T *createEdgeGlow(ElectricBorder border, const QSize &size);
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QSize cornerGlowSize(ElectricBorder border);
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Plasma::Svg *m_glow = nullptr;
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QHash<ElectricBorder, Glow*> m_borders;
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QTimer *m_cleanupTimer;
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};
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class Glow
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{
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public:
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QScopedPointer<GLTexture> texture;
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QScopedPointer<QImage> image;
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#ifdef KWIN_HAVE_XRENDER_COMPOSITING
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QScopedPointer<XRenderPicture> picture;
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#endif
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QSize pictureSize;
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qreal strength;
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QRect geometry;
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ElectricBorder border;
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};
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}
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#endif
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