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C++

/*
KWin - the KDE window manager
This file is part of the KDE project.
SPDX-FileCopyrightText: 2006 Lubos Lunak <l.lunak@kde.org>
SPDX-FileCopyrightText: 2010 Jorge Mata <matamax123@gmail.com>
SPDX-FileCopyrightText: 2018 Vlad Zahorodnii <vlad.zahorodnii@kde.org>
SPDX-License-Identifier: GPL-2.0-or-later
*/
#ifndef KWIN_TRACKMOUSE_H
#define KWIN_TRACKMOUSE_H
#include <kwineffects.h>
class QAction;
namespace KWin
{
class GLTexture;
class TrackMouseEffect
: public Effect
{
Q_OBJECT
Q_PROPERTY(Qt::KeyboardModifiers modifiers READ modifiers)
Q_PROPERTY(bool mousePolling READ isMousePolling)
public:
TrackMouseEffect();
~TrackMouseEffect() override;
void prePaintScreen(ScreenPrePaintData& data, int time) override;
void paintScreen(int mask, const QRegion &region, ScreenPaintData& data) override;
void postPaintScreen() override;
void reconfigure(ReconfigureFlags) override;
bool isActive() const override;
// for properties
Qt::KeyboardModifiers modifiers() const {
return m_modifiers;
}
bool isMousePolling() const {
return m_mousePolling;
}
private Q_SLOTS:
void toggle();
void slotMouseChanged(const QPoint& pos, const QPoint& old,
Qt::MouseButtons buttons, Qt::MouseButtons oldbuttons,
Qt::KeyboardModifiers modifiers, Qt::KeyboardModifiers oldmodifiers);
private:
bool init();
void loadTexture();
QRect m_lastRect[2];
bool m_mousePolling;
float m_angle;
float m_angleBase;
GLTexture* m_texture[2];
#ifdef KWIN_HAVE_XRENDER_COMPOSITING
QSize m_size[2];
XRenderPicture *m_picture[2];
#endif
QAction* m_action;
QImage m_image[2];
Qt::KeyboardModifiers m_modifiers;
enum class State {
ActivatedByModifiers,
ActivatedByShortcut,
Inactive
};
State m_state = State::Inactive;
};
} // namespace
#endif