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#ifndef QT_NO_QWS_MOUSE_QVFB
#include <stdlib.h>
#include <sys/types.h>
#include <unistd.h>
#include <fcntl.h>
#include <errno.h>
#include <stdio.h>
#include <qvfbhdr.h>
#include <qmousevfb_qws.h>
#include <qwindowsystem_qws.h>
#include <qsocketnotifier.h>
#include <qapplication.h>
#include <qtimer.h>
#include <private/qcore_unix_p.h> // overrides QT_OPEN
QT_BEGIN_NAMESPACE
QVFbMouseHandler::QVFbMouseHandler(const QString &driver, const QString &device)
: QObject(), QWSMouseHandler(driver, device)
{
QString mouseDev = device;
if (device.isEmpty())
mouseDev = QLatin1String("/dev/vmouse");
mouseFD = QT_OPEN(mouseDev.toLatin1().constData(), O_RDWR | O_NDELAY);
if (mouseFD == -1) {
perror("QVFbMouseHandler::QVFbMouseHandler");
qWarning("QVFbMouseHander: Unable to open device %s",
qPrintable(mouseDev));
return;
}
// Clear pending input
char buf[2];
while (QT_READ(mouseFD, buf, 1) > 0) { }
mouseIdx = 0;
mouseNotifier = new QSocketNotifier(mouseFD, QSocketNotifier::Read, this);
connect(mouseNotifier, SIGNAL(activated(int)),this, SLOT(readMouseData()));
}
QVFbMouseHandler::~QVFbMouseHandler()
{
if (mouseFD >= 0)
QT_CLOSE(mouseFD);
}
void QVFbMouseHandler::resume()
{
mouseNotifier->setEnabled(true);
}
void QVFbMouseHandler::suspend()
{
mouseNotifier->setEnabled(false);
}
void QVFbMouseHandler::readMouseData()
{
int n;
do {
n = QT_READ(mouseFD, mouseBuf+mouseIdx, mouseBufSize-mouseIdx);
if (n > 0)
mouseIdx += n;
} while (n > 0);
int idx = 0;
static const int packetsize = sizeof(QPoint) + 2*sizeof(int);
while (mouseIdx-idx >= packetsize) {
uchar *mb = mouseBuf+idx;
QPoint mousePos = *reinterpret_cast<QPoint *>(mb);
mb += sizeof(QPoint);
int bstate = *reinterpret_cast<int *>(mb);
mb += sizeof(int);
int wheel = *reinterpret_cast<int *>(mb);
// limitToScreen(mousePos);
mouseChanged(mousePos, bstate, wheel);
idx += packetsize;
}
int surplus = mouseIdx - idx;
for (int i = 0; i < surplus; i++)
mouseBuf[i] = mouseBuf[idx+i];
mouseIdx = surplus;
}
QT_END_NAMESPACE
#endif // QT_NO_QWS_MOUSE_QVFB