QWSPcMouseSubHandler_mouseman Class Reference

Inheritance diagram for QWSPcMouseSubHandler_mouseman:

Public Functions
void	init ()
	QWSPcMouseSubHandler_mouseman (int f)
int	tryData ()
Public Functions inherited from QWSPcMouseSubHandler
void	appendData (uchar *data, int length)
int	buttonState () const
void	closeIfNot (int &f)
int	file () const
void	initState ()
bool	motionPending () const
	QWSPcMouseSubHandler (int f)
bool	reliable () const
QPoint	takeMotion ()
int	takeWheel ()
UsageResult	useData ()
void	worse (int by=1)
virtual	~QWSPcMouseSubHandler ()

Properties
int	packetsize

Additional Inherited Members
Public Types inherited from QWSPcMouseSubHandler
enum	UsageResult { Insufficient, Motion, Button }
Protected Types inherited from QWSPcMouseSubHandler
enum	{ max_buf =32 }
Protected Variables inherited from QWSPcMouseSubHandler
int	badness
int	bstate
uchar	buffer [max_buf]
int	fd
int	goodness
QPoint	motion
int	nbuf
int	wheel

Detailed Description

Definition at line 245 of file qmousepc_qws.cpp.

Constructors and Destructors

QWSPcMouseSubHandler_mouseman()

QWSPcMouseSubHandler_mouseman::QWSPcMouseSubHandler_mouseman ( int  f )

inline

Definition at line 248 of file qmousepc_qws.cpp.

                                         : QWSPcMouseSubHandler(f)
    {
        init();
    }

Functions

init()

void QWSPcMouseSubHandler_mouseman::init ( )

inline

Definition at line 253 of file qmousepc_qws.cpp.

    {
        if (tcflush(fd,TCIOFLUSH) == -1) {
#ifdef QWS_MOUSE_DEBUG
            perror("QWSPcMouseSubHandler_mouseman: initial tcflush");
#endif
        }
        QT_WRITE(fd,"",1);
        usleep(50000);
        QT_WRITE(fd,"@EeI!",5);
        usleep(10000);
        static const unsigned char ibuf[] = { 246, 244 };
        QT_WRITE(fd,ibuf,1);
        QT_WRITE(fd,ibuf+1,1);
        if (tcflush(fd,TCIOFLUSH) == -1) {
#ifdef QWS_MOUSE_DEBUG
            perror("QWSPcMouseSubHandler_mouseman: tcflush");
#endif
        }
        usleep(10000);

        char buf[100];
        while (QT_READ(fd, buf, 100) > 0) { }  // eat unwanted replies
    }

tryData()

int QWSPcMouseSubHandler_mouseman::tryData ( )

inlinevirtual

Implements QWSPcMouseSubHandler.

Definition at line 278 of file qmousepc_qws.cpp.

    {
        if (nbuf >= 3) {
            int nbstate = 0;
            if (buffer[0] & 0x01)
                nbstate |= Qt::LeftButton;
            if (buffer[0] & 0x02)
                nbstate |= Qt::RightButton;
            if (buffer[0] & 0x04)
                nbstate |= Qt::MidButton;

            int overflow = (buffer[0]>>6)& 0x03;
            if (overflow) {
                //### wheel events signalled with overflow bit, ignore for now
                badness++;
                return 1;
            } else {
                bool xs = buffer[0] & 0x10;
                bool ys = buffer[0] & 0x20;
                int dx = xs ? buffer[1]-256 : buffer[1];
                int dy = ys ? buffer[2]-256 : buffer[2];

                motion += QPoint(dx, -dy);
                if (motion.x() || motion.y() || bstate != nbstate) {
                    bstate = nbstate;
                    goodness++;
                } else {
                    badness++;
                    return 1;
                }
            }
            return 3;
        }
        return 0;
    }

Properties

packetsize

int QWSPcMouseSubHandler_mouseman::packetsize

private

Definition at line 246 of file qmousepc_qws.cpp.

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The documentation for this class was generated from the following file:

• /src/gui/embedded/qmousepc_qws.cpp