qscreenlinuxfb_qws.h
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- /****************************************************************************
- **
- ** Copyright (C) 2008 Nokia Corporation and/or its subsidiary(-ies).
- ** Contact: Qt Software Information (qt-info@nokia.com)
- **
- ** This file is part of the QtGui module of the Qt Toolkit.
- **
- ** Commercial Usage
- ** Licensees holding valid Qt Commercial licenses may use this file in
- ** accordance with the Qt Commercial License Agreement provided with the
- ** Software or, alternatively, in accordance with the terms contained in
- ** a written agreement between you and Nokia.
- **
- **
- ** GNU General Public License Usage
- ** Alternatively, this file may be used under the terms of the GNU
- ** General Public License versions 2.0 or 3.0 as published by the Free
- ** Software Foundation and appearing in the file LICENSE.GPL included in
- ** the packaging of this file. Please review the following information
- ** to ensure GNU General Public Licensing requirements will be met:
- ** http://www.fsf.org/licensing/licenses/info/GPLv2.html and
- ** http://www.gnu.org/copyleft/gpl.html.
- **
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- ** Designer, grants users of the Qt/Eclipse Integration plug-in the
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- ****************************************************************************/
- #ifndef QSCREENLINUXFB_QWS_H
- #define QSCREENLINUXFB_QWS_H
- #include <QtGui/qscreen_qws.h>
- QT_BEGIN_HEADER
- QT_BEGIN_NAMESPACE
- QT_MODULE(Gui)
- #ifndef QT_NO_QWS_LINUXFB
- class QLinuxFb_Shared
- {
- public:
- volatile int lastop;
- volatile int optype;
- volatile int fifocount; // Accel drivers only
- volatile int fifomax;
- volatile int forecol; // Foreground colour caching
- volatile unsigned int buffer_offset; // Destination
- volatile int linestep;
- volatile int cliptop; // Clip rectangle
- volatile int clipleft;
- volatile int clipright;
- volatile int clipbottom;
- volatile unsigned int rop;
- };
- struct fb_cmap;
- struct fb_var_screeninfo;
- struct fb_fix_screeninfo;
- class QLinuxFbScreenPrivate;
- class Q_GUI_EXPORT QLinuxFbScreen : public QScreen
- {
- public:
- explicit QLinuxFbScreen(int display_id);
- virtual ~QLinuxFbScreen();
- virtual bool initDevice();
- virtual bool connect(const QString &displaySpec);
- virtual bool useOffscreen();
- virtual void disconnect();
- virtual void shutdownDevice();
- virtual void setMode(int,int,int);
- virtual void save();
- virtual void restore();
- virtual void blank(bool on);
- virtual void set(unsigned int,unsigned int,unsigned int,unsigned int);
- virtual uchar * cache(int);
- virtual void uncache(uchar *);
- virtual int sharedRamSize(void *);
- QLinuxFb_Shared * shared;
- protected:
- void deleteEntry(uchar *);
- bool canaccel;
- int dataoffset;
- int cacheStart;
- static void clearCache(QScreen *instance, int);
- private:
- void delete_entry(int);
- void insert_entry(int,int,int);
- void setupOffScreen();
- void createPalette(fb_cmap &cmap, fb_var_screeninfo &vinfo, fb_fix_screeninfo &finfo);
- void setPixelFormat(struct fb_var_screeninfo);
- QLinuxFbScreenPrivate *d_ptr;
- };
- #endif // QT_NO_QWS_LINUXFB
- QT_END_NAMESPACE
- QT_END_HEADER
- #endif // QSCREENLINUXFB_QWS_H