kwin/effects/zoom/zoom.h
2011-01-31 20:07:03 +01:00

93 lines
2.9 KiB
C++

/********************************************************************
KWin - the KDE window manager
This file is part of the KDE project.
Copyright (C) 2006 Lubos Lunak <l.lunak@kde.org>
Copyright (C) 2010 Sebastian Sauer <sebsauer@kdab.com>
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_ZOOM_H
#define KWIN_ZOOM_H
#include <kwineffects.h>
namespace KWin
{
class GLTexture;
class XRenderPicture;
class ZoomEffect
: public QObject, public Effect
{
Q_OBJECT
public:
ZoomEffect();
virtual ~ZoomEffect();
virtual void reconfigure(ReconfigureFlags flags);
virtual void prePaintScreen(ScreenPrePaintData& data, int time);
virtual void paintScreen(int mask, QRegion region, ScreenPaintData& data);
virtual void postPaintScreen();
virtual void mouseChanged(const QPoint& pos, const QPoint& old,
Qt::MouseButtons buttons, Qt::MouseButtons oldbuttons,
Qt::KeyboardModifiers modifiers, Qt::KeyboardModifiers oldmodifiers);
private slots:
void zoomIn();
void zoomOut();
void actualSize();
void moveZoomLeft();
void moveZoomRight();
void moveZoomUp();
void moveZoomDown();
void moveMouseToFocus();
void moveMouseToCenter();
void timelineFrameChanged(int frame);
void focusChanged(int px, int py, int rx, int ry, int rwidth, int rheight);
private:
void showCursor();
void hideCursor();
void recreateTexture();
void moveZoom(int x, int y);
private:
double zoom;
double target_zoom;
bool polling; // Mouse polling
double zoomFactor;
enum MouseTrackingType { MouseTrackingProportional = 0, MouseTrackingCentred = 1, MouseTrackingPush = 2, MouseTrackingDisabled = 3 };
MouseTrackingType mouseTracking;
bool enableFocusTracking;
bool followFocus;
enum MousePointerType { MousePointerScale = 0, MousePointerKeep = 1, MousePointerHide = 2 };
MousePointerType mousePointer;
int focusDelay;
QPoint cursorPoint;
QPoint focusPoint;
QPoint prevPoint;
QTime lastMouseEvent;
QTime lastFocusEvent;
GLTexture* texture;
XRenderPicture* xrenderPicture;
int imageWidth;
int imageHeight;
bool isMouseHidden;
QTimeLine timeline;
int xMove, yMove;
double moveFactor;
};
} // namespace
#endif