82 lines
2.4 KiB
C++
82 lines
2.4 KiB
C++
/********************************************************************
|
|
KWin - the KDE window manager
|
|
This file is part of the KDE project.
|
|
|
|
Copyright (C) 2007 Lubos Lunak <l.lunak@kde.org>
|
|
Copyright (C) 2011 Martin Gräßlin <mgraesslin@kde.org>
|
|
|
|
This program is free software; you can redistribute it and/or modify
|
|
it under the terms of the GNU General Public License as published by
|
|
the Free Software Foundation; either version 2 of the License, or
|
|
(at your option) any later version.
|
|
|
|
This program is distributed in the hope that it will be useful,
|
|
but WITHOUT ANY WARRANTY; without even the implied warranty of
|
|
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
|
|
GNU General Public License for more details.
|
|
|
|
You should have received a copy of the GNU General Public License
|
|
along with this program. If not, see <http://www.gnu.org/licenses/>.
|
|
*********************************************************************/
|
|
|
|
#ifndef KWIN_MAGNIFIER_H
|
|
#define KWIN_MAGNIFIER_H
|
|
|
|
#include <kwineffects.h>
|
|
|
|
namespace KWin
|
|
{
|
|
|
|
class GLRenderTarget;
|
|
class GLTexture;
|
|
class XRenderPicture;
|
|
|
|
class MagnifierEffect
|
|
: public Effect
|
|
{
|
|
Q_OBJECT
|
|
Q_PROPERTY(QSize magnifierSize READ magnifierSize)
|
|
Q_PROPERTY(qreal targetZoom READ targetZoom)
|
|
public:
|
|
MagnifierEffect();
|
|
virtual ~MagnifierEffect();
|
|
virtual void reconfigure(ReconfigureFlags);
|
|
virtual void prePaintScreen(ScreenPrePaintData& data, int time);
|
|
virtual void paintScreen(int mask, QRegion region, ScreenPaintData& data);
|
|
virtual void postPaintScreen();
|
|
virtual bool isActive() const;
|
|
static bool supported();
|
|
|
|
// for properties
|
|
QSize magnifierSize() const {
|
|
return magnifier_size;
|
|
}
|
|
qreal targetZoom() const {
|
|
return target_zoom;
|
|
}
|
|
private Q_SLOTS:
|
|
void zoomIn();
|
|
void zoomOut();
|
|
void toggle();
|
|
void slotMouseChanged(const QPoint& pos, const QPoint& old,
|
|
Qt::MouseButtons buttons, Qt::MouseButtons oldbuttons,
|
|
Qt::KeyboardModifiers modifiers, Qt::KeyboardModifiers oldmodifiers);
|
|
void destroyPixmap();
|
|
private:
|
|
QRect magnifierArea(QPoint pos = cursorPos()) const;
|
|
double zoom;
|
|
double target_zoom;
|
|
bool polling; // Mouse polling
|
|
QSize magnifier_size;
|
|
GLTexture *m_texture;
|
|
GLRenderTarget *m_fbo;
|
|
#ifdef KWIN_HAVE_XRENDER_COMPOSITING
|
|
xcb_pixmap_t m_pixmap;
|
|
QSize m_pixmapSize;
|
|
QScopedPointer<XRenderPicture> m_picture;
|
|
#endif
|
|
};
|
|
|
|
} // namespace
|
|
|
|
#endif
|