76 lines
1.8 KiB
C++
76 lines
1.8 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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SPDX-FileCopyrightText: 2007 Rivo Laks <rivolaks@hot.ee>
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SPDX-FileCopyrightText: 2007 Christian Nitschkowski <christian.nitschkowski@kdemail.net>
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SPDX-License-Identifier: GPL-2.0-or-later
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*/
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#ifndef KWIN_LOOKINGGLASS_H
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#define KWIN_LOOKINGGLASS_H
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#include <kwineffects.h>
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namespace KWin
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{
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class GLRenderTarget;
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class GLShader;
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class GLTexture;
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class GLVertexBuffer;
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/**
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* Enhanced magnifier
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*/
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class LookingGlassEffect : public Effect
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{
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Q_OBJECT
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Q_PROPERTY(int initialRadius READ initialRadius)
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public:
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LookingGlassEffect();
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~LookingGlassEffect() override;
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void reconfigure(ReconfigureFlags) override;
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void prePaintScreen(ScreenPrePaintData& data, std::chrono::milliseconds presentTime) override;
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void paintScreen(int mask, const QRegion ®ion, ScreenPaintData &data) override;
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bool isActive() const override;
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static bool supported();
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// for properties
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int initialRadius() const {
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return initialradius;
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}
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QRect magnifierArea() const;
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public Q_SLOTS:
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void toggle();
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void zoomIn();
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void zoomOut();
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void slotMouseChanged(const QPoint& pos, const QPoint& old,
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Qt::MouseButtons buttons, Qt::MouseButtons oldbuttons,
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Qt::KeyboardModifiers modifiers, Qt::KeyboardModifiers oldmodifiers);
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void slotWindowDamaged();
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private:
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bool loadData();
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double zoom;
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double target_zoom;
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bool polling; // Mouse polling
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int radius;
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int initialradius;
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GLTexture *m_texture;
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GLRenderTarget *m_fbo;
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GLVertexBuffer *m_vbo;
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GLShader *m_shader;
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std::chrono::milliseconds m_lastPresentTime;
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bool m_enabled;
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bool m_valid;
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};
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} // namespace
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#endif
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