source: trunk/src/gui/embedded/qmouselinuxtp_qws.cpp@ 784

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#include "qmouselinuxtp_qws.h"

#ifndef QT_NO_QWS_MOUSE_LINUXTP
#include "qwindowsystem_qws.h"
#include "qsocketnotifier.h"
#include "qtimer.h"
#include "qapplication.h"
#include "qscreen_qws.h"
#include <private/qcore_unix_p.h> // overrides QT_OPEN

#include <unistd.h>
#include <stdlib.h>
#include <stdio.h>
#include <sys/ioctl.h>
#include <sys/types.h>
#include <sys/stat.h>
#include <fcntl.h>
#include <errno.h>
#include <termios.h>

QT_BEGIN_NAMESPACE

#if defined(QT_QWS_IPAQ)
 #define QT_QWS_IPAQ_RAW
 #define QT_QWS_SCREEN_COORDINATES
 typedef struct {
        unsigned short pressure;
        unsigned short x;
        unsigned short y;
        unsigned short pad;
 } TS_EVENT;
#elif defined(QT_QWS_EBX)
 #define QT_QWS_EBX_RAW
 #define QT_QWS_SCREEN_COORDINATES
#ifndef QT_QWS_SHARP
  typedef struct {
        unsigned short pressure;
        unsigned short x;
        unsigned short y;
        unsigned short pad;
  } TS_EVENT;
 #else
  typedef struct {
       long y;
       long x;
       long pressure;
       long long millisecs;
  } TS_EVENT;
  #define QT_QWS_TP_SAMPLE_SIZE 10
  #define QT_QWS_TP_MINIMUM_SAMPLES 4
  #define QT_QWS_TP_PRESSURE_THRESHOLD 500
  #define QT_QWS_TP_MOVE_LIMIT 50
  #define QT_QWS_TP_JITTER_LIMIT 2
 #endif
#else // not IPAQ, not SHARP
  typedef struct {
    unsigned short pressure;
    unsigned short x;
    unsigned short y;
    unsigned short pad;
  } TS_EVENT;
#endif

#ifndef QT_QWS_TP_SAMPLE_SIZE
#define QT_QWS_TP_SAMPLE_SIZE 5
#endif

#ifndef QT_QWS_TP_MINIMUM_SAMPLES
#define QT_QWS_TP_MINIMUM_SAMPLES 5
#endif

#ifndef QT_QWS_TP_PRESSURE_THRESHOLD
#define QT_QWS_TP_PRESSURE_THRESHOLD 1
#endif

#ifndef QT_QWS_TP_MOVE_LIMIT
#define QT_QWS_TP_MOVE_LIMIT 100
#endif

#ifndef QT_QWS_TP_JITTER_LIMIT
#define QT_QWS_TP_JITTER_LIMIT 2
#endif

class QWSLinuxTPMouseHandlerPrivate : public QObject
{
    Q_OBJECT
public:
    QWSLinuxTPMouseHandlerPrivate(QWSLinuxTPMouseHandler *h, const QString &);
    ~QWSLinuxTPMouseHandlerPrivate();

    void suspend();
    void resume();
private:
    static const int mouseBufSize = 2048;
    int mouseFD;
    QPoint oldmouse;
    QPoint oldTotalMousePos;
    bool waspressed;
    QPolygon samples;
    int currSample;
    int lastSample;
    int numSamples;
    int skipCount;
    int mouseIdx;
    uchar mouseBuf[mouseBufSize];
    QWSLinuxTPMouseHandler *handler;
    QSocketNotifier *mouseNotifier;

private slots:
    void readMouseData();
};

QWSLinuxTPMouseHandler::QWSLinuxTPMouseHandler(const QString &driver, const QString &device)
    : QWSCalibratedMouseHandler(driver, device)
{
    d = new QWSLinuxTPMouseHandlerPrivate(this, device);
}

QWSLinuxTPMouseHandler::~QWSLinuxTPMouseHandler()
{
    delete d;
}

void QWSLinuxTPMouseHandler::suspend()
{
    d->suspend();
}

void QWSLinuxTPMouseHandler::resume()
{
    d->resume();
}

QWSLinuxTPMouseHandlerPrivate::QWSLinuxTPMouseHandlerPrivate(QWSLinuxTPMouseHandler *h,
        const QString &device)
    : samples(QT_QWS_TP_SAMPLE_SIZE), currSample(0), lastSample(0),
    numSamples(0), skipCount(0), handler(h)
{
    QString mousedev;
    if (device.isEmpty()) {
#if defined(QT_QWS_IPAQ)
# ifdef QT_QWS_IPAQ_RAW
        mousedev = QLatin1String("/dev/h3600_tsraw");
# else
        mousedev = QLatin1String("/dev/h3600_ts");
# endif