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     3 ** Copyright (C) 2009 Nokia Corporation and/or its subsidiary(-ies).

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    16 ** GNU Lesser General Public License Usage

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    38 ** $QT_END_LICENSE$

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    40 ****************************************************************************/

    41 

    42 #include "qkbdum_qws.h"

    43 #include "qvfbhdr.h"

    44 

    45 #if !defined(QT_NO_QWS_KEYBOARD) && !defined(QT_NO_QWS_KBD_UM)

    46 

    47 #include <stdlib.h>

    48 #include <sys/types.h>

    49 #include <sys/stat.h>

    50 #include <unistd.h>

    51 #include <fcntl.h>

    52 #include <errno.h>

    53 

    54 #include <qstring.h>

    55 #include <qwindowsystem_qws.h>

    56 #include <qsocketnotifier.h>

    57 #include "qplatformdefs.h"

    58 

    59 QT_BEGIN_NAMESPACE

    60 

    61 class QWSUmKeyboardHandlerPrivate : public QObject

    62 {

    63     Q_OBJECT

    64 

    65 public:

    66     QWSUmKeyboardHandlerPrivate(const QString&);

    67     ~QWSUmKeyboardHandlerPrivate();

    68 

    69 private slots:

    70     void readKeyboardData();

    71 

    72 private:

    73     int kbdFD;

    74     int kbdIdx;

    75     const int kbdBufferLen;

    76     unsigned char *kbdBuffer;

    77     QSocketNotifier *notifier;

    78 };

    79 

    80 QWSUmKeyboardHandlerPrivate::QWSUmKeyboardHandlerPrivate(const QString &device)

    81     : kbdFD(-1), kbdIdx(0), kbdBufferLen(sizeof(QVFbKeyData)*5)

    82 {

    83     kbdBuffer = new unsigned char [kbdBufferLen];

    84 

    85     if ((kbdFD = QT_OPEN((const char *)device.toLocal8Bit(), O_RDONLY | O_NDELAY, 0)) < 0) {

    86         qDebug("Cannot open %s (%s)", (const char *)device.toLocal8Bit(),

    87         strerror(errno));

    88     } else {

    89         // Clear pending input

    90         char buf[2];

    91         while (QT_READ(kbdFD, buf, 1) > 0) { }

    92 

    93         notifier = new QSocketNotifier(kbdFD, QSocketNotifier::Read, this);

    94         connect(notifier, SIGNAL(activated(int)),this, SLOT(readKeyboardData()));

    95     }

    96 }

    97 

    98 QWSUmKeyboardHandlerPrivate::~QWSUmKeyboardHandlerPrivate()

    99 {

   100     if (kbdFD >= 0)

   101         QT_CLOSE(kbdFD);

   102     delete [] kbdBuffer;

   103 }

   104 

   105 

   106 void QWSUmKeyboardHandlerPrivate::readKeyboardData()

   107 {

   108     int n;

   109     do {

   110         n  = QT_READ(kbdFD, kbdBuffer+kbdIdx, kbdBufferLen - kbdIdx);

   111         if (n > 0)

   112             kbdIdx += n;

   113     } while (n > 0);

   114 

   115     int idx = 0;

   116     while (kbdIdx - idx >= (int)sizeof(QVFbKeyData)) {

   117         QVFbKeyData *kd = (QVFbKeyData *)(kbdBuffer + idx);

   118         // Qtopia Key filters must still work.

   119         QWSServer::processKeyEvent(kd->unicode, kd->keycode, kd->modifiers, kd->press, kd->repeat);

   120         idx += sizeof(QVFbKeyData);

   121     }

   122 

   123     int surplus = kbdIdx - idx;

   124     for (int i = 0; i < surplus; i++)

   125         kbdBuffer[i] = kbdBuffer[idx+i];

   126     kbdIdx = surplus;

   127 }

   128 

   129 QWSUmKeyboardHandler::QWSUmKeyboardHandler(const QString &device)

   130     : QWSKeyboardHandler()

   131 {

   132     d = new QWSUmKeyboardHandlerPrivate(device);

   133 }

   134 

   135 QWSUmKeyboardHandler::~QWSUmKeyboardHandler()

   136 {

   137     delete d;

   138 }

   139 

   140 QT_END_NAMESPACE

   141 

   142 #include "qkbdum_qws.moc"

   143 

   144 #endif // QT_NO_QWS_KEYBOARD && QT_NO_QWS_KBD_UM