Don't try to mmap past EOF
[qt-netbsd.git] / tools / qvfb / qvfbshmem.h
blob5eb6293af57024074757bbbf0aa7a6a6014746fa
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41 #ifndef QVFB_SHM_PROTOCOL_H
42 #define QVFB_SHM_PROTOCOL_H
44 #include "qvfbprotocol.h"
46 QT_BEGIN_NAMESPACE
48 class QVFbHeader;
49 class QTimer;
50 class QShMemViewProtocol : public QVFbViewProtocol
52 Q_OBJECT
53 public:
54 QShMemViewProtocol(int display_id, const QSize &size, int depth, QObject *parent = 0);
55 ~QShMemViewProtocol();
57 int width() const;
58 int height() const;
59 int depth() const;
60 int linestep() const;
61 int numcols() const;
62 QVector<QRgb> clut() const;
63 unsigned char *data() const;
64 int brightness() const;
66 void setRate(int);
67 int rate() const;
69 protected slots:
70 void flushChanges();
72 protected:
73 QVFbKeyProtocol *keyHandler() const { return kh; }
74 QVFbMouseProtocol *mouseHandler() const { return mh; }
76 private:
77 QVFbKeyPipeProtocol *kh;
78 QVFbMousePipe *mh;
79 QVFbHeader *hdr;
80 size_t displaySize;
81 unsigned char *dataCache;
82 int lockId;
83 int shmId;
84 QTimer *mRefreshTimer;
85 WId windowId;
88 QT_END_NAMESPACE
90 #endif