src/gui/embedded/qmousepc_qws.cpp
changeset 0 1918ee327afb
child 4 3b1da2848fc7
--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/src/gui/embedded/qmousepc_qws.cpp	Mon Jan 11 14:00:40 2010 +0000
@@ -0,0 +1,794 @@
+/****************************************************************************
+**
+** Copyright (C) 2009 Nokia Corporation and/or its subsidiary(-ies).
+** All rights reserved.
+** Contact: Nokia Corporation (qt-info@nokia.com)
+**
+** This file is part of the QtGui module of the Qt Toolkit.
+**
+** $QT_BEGIN_LICENSE:LGPL$
+** No Commercial Usage
+** This file contains pre-release code and may not be distributed.
+** You may use this file in accordance with the terms and conditions
+** contained in the Technology Preview License Agreement accompanying
+** this package.
+**
+** GNU Lesser General Public License Usage
+** Alternatively, this file may be used under the terms of the GNU Lesser
+** General Public License version 2.1 as published by the Free Software
+** Foundation and appearing in the file LICENSE.LGPL included in the
+** packaging of this file.  Please review the following information to
+** ensure the GNU Lesser General Public License version 2.1 requirements
+** will be met: http://www.gnu.org/licenses/old-licenses/lgpl-2.1.html.
+**
+** In addition, as a special exception, Nokia gives you certain additional
+** rights.  These rights are described in the Nokia Qt LGPL Exception
+** version 1.1, included in the file LGPL_EXCEPTION.txt in this package.
+**
+** If you have questions regarding the use of this file, please contact
+** Nokia at qt-info@nokia.com.
+**
+**
+**
+**
+**
+**
+**
+**
+** $QT_END_LICENSE$
+**
+****************************************************************************/
+
+#include "qmousepc_qws.h"
+
+#ifndef QT_NO_QWS_MOUSE_PC
+
+#include "qwindowsystem_qws.h"
+#include "qsocketnotifier.h"
+#include "qwsevent_qws.h"
+#include "qwscommand_qws_p.h"
+#include "qwsutils_qws.h"
+
+#include "qapplication.h"
+#include "qpolygon.h"
+#include "qtimer.h"
+#include "qfile.h"
+#include "qtextstream.h"
+#include "qstringlist.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>
+
+#include <qscreen_qws.h>
+
+QT_BEGIN_NAMESPACE
+
+//#define QWS_MOUSE_DEBUG
+
+/*
+ * Automatic-detection mouse driver
+ */
+
+class QWSPcMouseSubHandler {
+protected:
+    enum { max_buf=32 };
+
+    int fd;
+
+    uchar buffer[max_buf];
+    int nbuf;
+
+    QPoint motion;
+    int bstate;
+    int wheel;
+
+    int goodness;
+    int badness;
+
+    virtual int tryData()=0;
+
+public:
+    QWSPcMouseSubHandler(int f) : fd(f)
+    {
+        initState();
+    }
+    virtual ~QWSPcMouseSubHandler() {}
+
+    int file() const { return fd; }
+
+    void closeIfNot(int& f)
+    {
+        if (fd != f) {
+            f = fd;
+            QT_CLOSE(fd);
+        }
+    }
+
+    void initState() { nbuf = bstate = goodness = badness = 0; }
+
+    void worse(int by=1) { badness+=by; }
+    bool reliable() const { return goodness >= 5 && badness < 50; }
+    int buttonState() const { return bstate; }
+    bool motionPending() const { return motion!=QPoint(0,0); }
+    QPoint takeMotion() { QPoint r=motion; motion=QPoint(0,0); return r; }
+    int takeWheel() { int result = wheel; wheel = 0; return result; }
+
+    void appendData(uchar* data, int length)
+    {
+        memcpy(buffer+nbuf, data, length);
+        nbuf += length;
+    }
+
+    enum UsageResult { Insufficient, Motion, Button };
+
+    UsageResult useData()
+    {
+        int pbstate = bstate;
+        int n = tryData();
+#ifdef QWS_MOUSE_DEBUG
+        if (n) {
+            fprintf(stderr, "QWSPcMouseSubHandler tryData read %d bytes:", n);
+            for (int i=0; i<n; ++i)
+                fprintf(stderr, " %02x", buffer[i]);
+            fprintf(stderr, "\n");
+        }
+#endif
+        if (n > 0) {
+            if (n<nbuf)
+                memmove(buffer, buffer+n, nbuf-n);
+            nbuf -= n;
+            return (wheel || pbstate != bstate) ? Button : Motion;
+        }
+        return Insufficient;
+    }
+};
+
+class QWSPcMouseSubHandler_intellimouse : public QWSPcMouseSubHandler {
+    int packetsize;
+public:
+    QWSPcMouseSubHandler_intellimouse(int f) : QWSPcMouseSubHandler(f)
+    {
+        init();
+    }
+
+    void init()
+    {
+        int n;
+        uchar reply[20];
+
+        if (tcflush(fd,TCIOFLUSH) == -1) {
+#ifdef QWS_MOUSE_DEBUG
+            perror("QWSPcMouseSubHandler_intellimouse: pre-init tcflush");
+#endif
+        }
+        static const uchar initseq[] = { 243, 200, 243, 100, 243, 80 };
+        static const uchar query[] = { 0xf2 };
+        if (QT_WRITE(fd, initseq, sizeof(initseq))!=sizeof(initseq)) {
+            badness = 100;
+            return;
+        }
+        usleep(10000);
+        if (tcflush(fd,TCIOFLUSH) == -1) {
+#ifdef QWS_MOUSE_DEBUG
+            perror("QWSPcMouseSubHandler_intellimouse: post-init tcflush");
+#endif
+        }
+        if (QT_WRITE(fd, query, sizeof(query))!=sizeof(query)) {
+            badness = 100;
+            return;
+        }
+        usleep(10000);
+        n = QT_READ(fd, reply, 20);
+        if (n > 0) {
+            goodness = 10;
+            switch (reply[n-1]) {
+              case 3:
+              case 4:
+                packetsize = 4;
+                break;
+             default:
+                packetsize = 3;
+            }
+        } else {
+            badness = 100;
+        }
+    }
+
+    int tryData()
+    {
+        if (nbuf >= packetsize) {
+            //int overflow = (buffer[0]>>6)& 0x03;
+
+            if (/*overflow ||*/ !(buffer[0] & 8)) {
+#ifdef QWS_MOUSE_DEBUG
+                qDebug("Intellimouse: skipping (overflow)");
+#endif
+                badness++;
+                return 1;
+            } else {
+                QPoint delta((buffer[0] & 0x10) ? buffer[1]-256 : buffer[1],
+                       (buffer[0] & 0x20) ? 256-buffer[2] : -buffer[2]);
+                motion += delta;
+                int nbstate = buffer[0] & 0x7;
+#ifdef QWS_MOUSE_DEBUG
+                int debugwheel =
+#endif
+                wheel = packetsize > 3 ? -(signed char)buffer[3] : 0;
+                if (wheel < -2 || wheel > 2)
+                    wheel = 0;
+                wheel *= 120; // WHEEL_DELTA?
+#ifdef QWS_MOUSE_DEBUG
+                qDebug("Intellimouse: motion %d,%d, state %d, raw wheel %d, wheel %d", motion.x(), motion.y(), nbstate, debugwheel, wheel);
+#endif
+                if (motion.x() || motion.y() || bstate != nbstate || wheel) {
+                    bstate = nbstate;
+                    goodness++;
+                } else {
+                    badness++;
+                    return 1;
+                }
+            }
+            return packetsize;
+        }
+        return 0;
+    }
+};
+
+class QWSPcMouseSubHandler_mouseman : public QWSPcMouseSubHandler {
+    int packetsize;
+public:
+    QWSPcMouseSubHandler_mouseman(int f) : QWSPcMouseSubHandler(f)
+    {
+        init();
+    }
+
+    void init()
+    {
+        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 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
+    }
+
+    int tryData()
+    {
+        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;
+    }
+};
+
+class QWSPcMouseSubHandler_serial : public QWSPcMouseSubHandler {
+public:
+    QWSPcMouseSubHandler_serial(int f) : QWSPcMouseSubHandler(f)
+    {
+        initSerial();
+    }
+
+protected:
+    void setflags(int f)
+    {
+        termios tty;
+        if (tcgetattr(fd, &tty) == -1) {
+#ifdef QWS_MOUSE_DEBUG
+            perror("QWSPcMouseSubHandler_serial: tcgetattr");
+#endif
+        }
+        tty.c_iflag     = IGNBRK | IGNPAR;
+        tty.c_oflag     = 0;
+        tty.c_lflag     = 0;
+        tty.c_cflag     = f | CREAD | CLOCAL | HUPCL;
+#ifdef Q_OS_LINUX
+        tty.c_line      = 0;
+#endif
+        tty.c_cc[VTIME] = 0;
+        tty.c_cc[VMIN]  = 1;
+        if (tcsetattr(fd, TCSANOW, &tty) == -1) {
+#ifdef QWS_MOUSE_DEBUG
+            perror("QWSPcMouseSubHandler_serial: tcgetattr");
+#endif
+        }
+    }
+
+private:
+    void initSerial()
+    {
+        int speed[4] = { B9600, B4800, B2400, B1200 };
+
+        for (int n = 0; n < 4; n++) {
+            setflags(CSTOPB | speed[n]);
+            QT_WRITE(fd, "*q", 2);
+            usleep(10000);
+        }
+    }
+};
+
+class QWSPcMouseSubHandler_mousesystems : public QWSPcMouseSubHandler_serial {
+public:
+    // ##### This driver has not been tested
+
+    QWSPcMouseSubHandler_mousesystems(int f) : QWSPcMouseSubHandler_serial(f)
+    {
+        init();
+    }
+
+    void init()
+    {
+        setflags(B1200|CS8|CSTOPB);
+        // 60Hz
+        if (QT_WRITE(fd, "R", 1)!=1) {
+            badness = 100;
+            return;
+        }
+        if (tcflush(fd,TCIOFLUSH) == -1) {
+#ifdef QT_QWS_VNC_DEBUG
+            perror("QWSPcMouseSubHandler_mousesystems: tcflush");
+#endif
+        }
+    }
+
+    int tryData()
+    {
+        if (nbuf >= 5) {
+            if ((buffer[0] & 0xf8) != 0x80) {
+                badness++;
+                return 1;
+            }
+            motion +=
+                QPoint((signed char)buffer[1] + (signed char)buffer[3],
+                       -(signed char)buffer[2] + (signed char)buffer[4]);
+            int t = ~buffer[0];
+            int nbstate = ((t&3) << 1) | ((t&4) >> 2);
+            if (motion.x() || motion.y() || bstate != nbstate) {
+                bstate = nbstate;
+                goodness++;
+            } else {
+                badness++;
+                return 1;
+            }
+            return 5;
+        }
+        return 0;
+    }
+};
+
+class QWSPcMouseSubHandler_ms : public QWSPcMouseSubHandler_serial {
+    int mman;
+public:
+    QWSPcMouseSubHandler_ms(int f) : QWSPcMouseSubHandler_serial(f)
+    {
+        mman=0;
+        init();
+    }
+
+    void init()
+    {
+        setflags(B1200|CS7);
+        // 60Hz
+        if (QT_WRITE(fd, "R", 1)!=1) {
+            badness = 100;
+            return;
+        }
+        if (tcflush(fd,TCIOFLUSH) == -1) {
+#ifdef QWS_MOUSE_DEBUG
+            perror("QWSPcMouseSubHandler_ms: tcflush");
+#endif
+        }
+    }
+
+    int tryData()
+    {
+        if (!(buffer[0] & 0x40)) {
+            if (buffer[0] == 0x20 && (bstate & Qt::MidButton)) {
+                mman=1; // mouseman extension
+            }
+            return 1;
+        }
+        int extra = mman&&(bstate & Qt::MidButton);
+        if (nbuf >= 3+extra) {
+            int nbstate = 0;
+            if (buffer[0] == 0x40 && !bstate && !buffer[1] && !buffer[2]) {
+                nbstate = Qt::MidButton;
+            } else {
+                nbstate = ((buffer[0] & 0x20) >> 5)
+                        | ((buffer[0] & 0x10) >> 3);
+                if (extra && buffer[3] == 0x20)
+                    nbstate = Qt::MidButton;
+            }
+
+            if (buffer[1] & 0x40) {
+                badness++;
+                return 1;
+            } else {
+                motion +=
+                    QPoint((signed char)((buffer[0]&0x3)<<6)
+                            |(signed char)(buffer[1]&0x3f),
+                           (signed char)((buffer[0]&0xc)<<4)
+                            |(signed char)(buffer[2]&0x3f));
+                if (motion.x() || motion.y() || bstate != nbstate) {
+                    bstate = nbstate;
+                    goodness++;
+                } else {
+                    badness++;
+                    return 1;
+                }
+                return 3+extra;
+            }
+        }
+        return 0;
+    }
+};
+
+//===========================================================================
+
+class QWSPcMouseHandlerPrivate : public QObject
+{
+    Q_OBJECT
+public:
+    QWSPcMouseHandlerPrivate(QWSPcMouseHandler *h, const QString &, const QString &);
+    ~QWSPcMouseHandlerPrivate();
+
+    void suspend();
+    void resume();
+
+private:
+    enum { max_dev=32 };
+    QWSPcMouseSubHandler *sub[max_dev];
+    QList<QSocketNotifier*> notifiers;
+    int nsub;
+    int retries;
+
+private slots:
+    void readMouseData(int);
+
+private:
+    void openDevices();
+    void closeDevices();
+    void notify(int fd);
+    bool sendEvent(QWSPcMouseSubHandler& h);
+
+private:
+    QWSPcMouseHandler *handler;
+    QString driver;
+    QString device;
+    qreal accel;
+    int accel_limit;
+};
+
+QWSPcMouseHandler::QWSPcMouseHandler(const QString &driver, const QString &device)
+    : QWSMouseHandler(driver, device)
+{
+    d = new QWSPcMouseHandlerPrivate(this, driver, device);
+}
+
+QWSPcMouseHandler::~QWSPcMouseHandler()
+{
+    delete d;
+}
+
+void QWSPcMouseHandler::suspend()
+{
+    d->suspend();
+}
+
+void QWSPcMouseHandler::resume()
+{
+    d->resume();
+}
+
+
+QWSPcMouseHandlerPrivate::QWSPcMouseHandlerPrivate(QWSPcMouseHandler *h,
+    const QString &drv, const QString &arg)
+    : handler(h), driver(drv)
+{
+    QStringList args = arg.split(QLatin1Char(':'), QString::SkipEmptyParts);
+
+    int index;
+
+    accel = qreal(2.0);
+    QRegExp accelRegex(QLatin1String("^accel=(\\d+\\.?\\d*)$"));
+    index = args.indexOf(accelRegex);
+    if (index >= 0) {
+        accel = qreal(accelRegex.cap(1).toDouble());
+        args.removeAt(index);
+    }
+
+    accel_limit = 5;
+    QRegExp accelLimitRegex(QLatin1String("^accel_limit=(\\d+)$"));
+    index = args.indexOf(accelLimitRegex);
+    if (index >= 0) {
+        accel_limit = accelLimitRegex.cap(1).toInt();
+        args.removeAt(index);
+    }
+
+    device = args.join(QString());
+
+    retries = 0;
+    openDevices();
+}
+
+QWSPcMouseHandlerPrivate::~QWSPcMouseHandlerPrivate()
+{
+    closeDevices();
+}
+
+/*
+QWSPcMouseHandler::UsageResult QWSPcMouseHandler::useDev(Dev& d)
+{
+    if (d.nbuf >= mouseData[d.protocol].bytesPerPacket) {
+        uchar *mb = d.buf;
+        int bstate = 0;
+        int dx = 0;
+        int dy = 0;
+
+        switch (mouseProtocol) {
+            case MouseMan:
+            case IntelliMouse:
+            {
+                bstate = mb[0] & 0x7; // assuming Qt::*Button order
+
+                int overflow = (mb[0]>>6)& 0x03;
+                if (mouseProtocol == MouseMan && overflow) {
+                    //### wheel events signalled with overflow bit, ignore for now
+                }
+                else {
+                    bool xs = mb[0] & 0x10;
+                    bool ys = mb[0] & 0x20;
+                    dx = xs ? mb[1]-256 : mb[1];
+                    dy = ys ? mb[2]-256 : mb[2];
+                }
+                break;
+            }
+            case Microsoft:
+                if (((mb[0] & 0x20) >> 3)) {
+                    bstate |= Qt::LeftButton;
+                }
+                if (((mb[0] & 0x10) >> 4)) {
+                    bstate |= Qt::RightButton;
+                }
+
+                dx=(signed char)(((mb[0] & 0x03) << 6) | (mb[1] & 0x3f));
+                dy=-(signed char)(((mb[0] & 0x0c) << 4) | (mb[2] & 0x3f));
+
+                break;
+        }
+    }
+    }
+*/
+
+
+bool QWSPcMouseHandlerPrivate::sendEvent(QWSPcMouseSubHandler& h)
+{
+    if (h.reliable()) {
+        QPoint motion = h.takeMotion();
+        if (qAbs(motion.x()) > accel_limit || qAbs(motion.y()) > accel_limit)
+            motion *= accel;
+        QPoint newPos = handler->pos() + motion;
+        if (qt_screen->isTransformed()) {
+            QSize s = QSize(qt_screen->width(), qt_screen->height());
+            newPos = qt_screen->mapToDevice(newPos, s);
+        }
+        handler->limitToScreen(newPos);
+
+        handler->mouseChanged(newPos, h.buttonState(), h.takeWheel());
+        return true;
+    } else {
+        h.takeMotion();
+        if (h.buttonState() & (Qt::RightButton|Qt::MidButton)) {
+            // Strange for the user to press right or middle without
+            // a moving mouse!
+            h.worse();
+        }
+        return false;
+    }
+}
+
+void QWSPcMouseHandlerPrivate::openDevices()
+{
+    nsub=0;
+    int fd = -1;
+
+    QString drv = driver.toLower();
+    if (!drv.isEmpty() && drv != QLatin1String("auto")) {
+        // Manually specified mouse
+        QByteArray dev = device.toLatin1();
+        if (drv == QLatin1String("intellimouse")) {
+            if (dev.isEmpty())
+                dev = "/dev/psaux";
+            fd = QT_OPEN(dev, O_RDWR | O_NDELAY);
+            if (fd >= 0)
+                sub[nsub++] = new QWSPcMouseSubHandler_intellimouse(fd);
+        } else if (drv == QLatin1String("microsoft")) {
+            if (dev.isEmpty())
+                dev = "/dev/ttyS0";
+            fd = QT_OPEN(dev, O_RDWR | O_NDELAY);
+            if (fd >= 0)
+                sub[nsub++] = new QWSPcMouseSubHandler_ms(fd);
+        } else if (drv == QLatin1String("mousesystems")) {
+            if (dev.isEmpty())
+                dev = "/dev/ttyS0";
+            fd = QT_OPEN(dev, O_RDWR | O_NDELAY);
+            if (fd >= 0)
+                sub[nsub++] = new QWSPcMouseSubHandler_mousesystems(fd);
+        } else if (drv == QLatin1String("mouseman")) {
+            if (dev.isEmpty())
+                dev = "/dev/psaux";
+            fd = QT_OPEN(dev, O_RDWR | O_NDELAY);
+            if (fd >= 0)
+                sub[nsub++] = new QWSPcMouseSubHandler_mouseman(fd);
+        }
+        if (fd >= 0)
+            notify(fd);
+        else
+            qCritical("Error opening mouse device '%s': %s",
+                      dev.constData(), strerror(errno));
+    } else {
+        // Try automatically
+        fd = QT_OPEN("/dev/psaux", O_RDWR | O_NDELAY);
+        if (fd >= 0) {
+            sub[nsub++] = new QWSPcMouseSubHandler_intellimouse(fd);
+            notify(fd);
+        }
+        fd = QT_OPEN("/dev/input/mice", O_RDWR | O_NDELAY);
+        if (fd >= 0) {
+            sub[nsub++] = new QWSPcMouseSubHandler_intellimouse(fd);
+            notify(fd);
+            //qDebug("/dev/input/mice fd %d #%d", fd, nsub-1);
+        }
+
+// include the code below to auto-detect serial mice, and to mess up
+// any sort of serial communication
+#if 0
+        const char fn[4][11] = { "/dev/ttyS0", "/dev/ttyS1", "/dev/ttyS2", "/dev/ttyS3" };
+        for (int ch = 0; ch < 4; ++ch) {
+            fd = QT_OPEN(fn[ch], O_RDWR | O_NDELAY);
+            if (fd >= 0) {
+                //sub[nsub++] = new QWSPcMouseSubHandler_intellimouse(fd);
+                sub[nsub++] = new QWSPcMouseSubHandler_mousesystems(fd);
+                sub[nsub++] = new QWSPcMouseSubHandler_ms(fd);
+                notify(fd);
+            }
+        }
+#endif
+    }
+}
+
+void QWSPcMouseHandlerPrivate::closeDevices()
+{
+    int pfd=-1;
+    for (int i=0; i<nsub; i++) {
+        sub[i]->closeIfNot(pfd);
+        delete sub[i];
+    }
+    qDeleteAll(notifiers);
+    notifiers.clear();
+}
+
+void QWSPcMouseHandlerPrivate::suspend()
+{
+    for (int i=0; i<notifiers.size(); ++i)
+        notifiers.at(i)->setEnabled(false);
+}
+
+void QWSPcMouseHandlerPrivate::resume()
+{
+    for (int i=0; i<nsub; i++)
+        sub[i]->initState();
+
+    for (int i=0; i<notifiers.size(); ++i)
+        notifiers.at(i)->setEnabled(true);
+}
+
+
+
+void QWSPcMouseHandlerPrivate::notify(int fd)
+{
+    QSocketNotifier *mouseNotifier
+        = new QSocketNotifier(fd, QSocketNotifier::Read, this);
+    connect(mouseNotifier, SIGNAL(activated(int)),this, SLOT(readMouseData(int)));
+    notifiers.append(mouseNotifier);
+}
+
+void QWSPcMouseHandlerPrivate::readMouseData(int fd)
+{
+    for (;;) {
+        uchar buf[8];
+        int n = read(fd, buf, 8);
+        if (n<=0)
+            break;
+        for (int i=0; i<nsub; i++) {
+            QWSPcMouseSubHandler& h = *sub[i];
+            if (h.file() == fd) {
+                h.appendData(buf,n);
+                for (;;) {
+                    switch (h.useData()) {
+                      case QWSPcMouseSubHandler::Button:
+                        sendEvent(h);
+                        break;
+                      case QWSPcMouseSubHandler::Insufficient:
+                        goto breakbreak;
+                      case QWSPcMouseSubHandler::Motion:
+                        break;
+                    }
+                }
+                breakbreak:
+                    ;
+            }
+        }
+    }
+    bool any_reliable=false;
+    for (int i=0; i<nsub; i++) {
+        QWSPcMouseSubHandler& h = *sub[i];
+        if (h.motionPending())
+            sendEvent(h);
+        any_reliable = any_reliable || h.reliable();
+    }
+    if (any_reliable) {
+        // ... get rid of all unreliable ones?  All bad ones?
+    } else if (retries < 2) {
+        // Try again - maybe the mouse was being moved when we tried to init.
+        closeDevices();
+        openDevices();
+        retries++;
+    }
+}
+
+QT_END_NAMESPACE
+
+#include "qmousepc_qws.moc"
+
+#endif // QT_NO_MOUSE_PC