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41
42 #include "qkbdum_qws.h"
43
44 #if !defined(QT_NO_QWS_KEYBOARD) && !defined(QT_NO_QWS_KBD_UM)
45
46 #include <stdlib.h>
47 #include <sys/types.h>
48 #include <sys/stat.h>
49 #include <unistd.h>
50 #include <fcntl.h>
51 #include <errno.h>
52
53 #include <qstring.h>
54 #include <qwindowsystem_qws.h>
55 #include <qsocketnotifier.h>
56 #include "qplatformdefs.h"
57 #include "qvfbhdr.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
QWSUmKeyboardHandlerPrivate(const QString & device)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
~QWSUmKeyboardHandlerPrivate()98 QWSUmKeyboardHandlerPrivate::~QWSUmKeyboardHandlerPrivate()
99 {
100 if (kbdFD >= 0)
101 QT_CLOSE(kbdFD);
102 delete [] kbdBuffer;
103 }
104
105
readKeyboardData()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
QWSUmKeyboardHandler(const QString & device)129 QWSUmKeyboardHandler::QWSUmKeyboardHandler(const QString &device)
130 : QWSKeyboardHandler()
131 {
132 d = new QWSUmKeyboardHandlerPrivate(device);
133 }
134
~QWSUmKeyboardHandler()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
145