Long live Qt 4.5!

1 files changed, 185 insertions, 0 deletions

diff --git a/src/gui/embedded/qkbdvr41xx_qws.cpp b/src/gui/embedded/qkbdvr41xx_qws.cpp
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+/****************************************************************************
+**
+** Copyright (C) 2009 Nokia Corporation and/or its subsidiary(-ies).
+** Contact: Qt Software Information (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 either Technology Preview License Agreement or the
+** Beta Release License Agreement.
+**
+** 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 1.0, included in the file LGPL_EXCEPTION.txt in this
+** package.
+**
+** GNU General Public License Usage
+** Alternatively, this file may be used under the terms of the GNU
+** General Public License version 3.0 as published by the Free Software
+** Foundation and appearing in the file LICENSE.GPL included in the
+** packaging of this file.  Please review the following information to
+** ensure the GNU General Public License version 3.0 requirements will be
+** met: http://www.gnu.org/copyleft/gpl.html.
+**
+** If you are unsure which license is appropriate for your use, please
+** contact the sales department at qt-sales@nokia.com.
+** $QT_END_LICENSE$
+**
+****************************************************************************/
+
+#include "qkbdvr41xx_qws.h"
+
+#if !defined(QT_NO_QWS_KEYBOARD) && !defined(QT_NO_QWS_KBD_VR41XX)
+
+#include <sys/types.h>
+#include <sys/stat.h>
+#include <sys/ioctl.h>
+#include <fcntl.h>
+#include <termios.h>
+#include <unistd.h>
+#include <errno.h>
+
+#include <qsocketnotifier.h>
+
+QT_BEGIN_NAMESPACE
+
+class QWSVr41xxKbPrivate : public QObject
+{
+    Q_OBJECT
+public:
+    QWSVr41xxKbPrivate(QWSVr41xxKeyboardHandler *h, const QString&);
+    virtual ~QWSVr41xxKbPrivate();
+
+    bool isOpen() { return buttonFD > 0; }
+
+private slots:
+    void readKeyboardData();
+
+private:
+    QString terminalName;
+    int buttonFD;
+    int kbdIdx;
+    int kbdBufferLen;
+    unsigned char *kbdBuffer;
+    QSocketNotifier *notifier;
+    QWSVr41xxKeyboardHandler *handler;
+};
+
+QWSVr41xxKeyboardHandler::QWSVr41xxKeyboardHandler(const QString &device)
+{
+    d = new QWSVr41xxKbPrivate(this, device);
+}
+
+QWSVr41xxKeyboardHandler::~QWSVr41xxKeyboardHandler()
+{
+    delete d;
+}
+
+QWSVr41xxKbPrivate::QWSVr41xxKbPrivate(QWSVr41xxKeyboardHandler *h, const QString &device) : handler(h)
+{
+    terminalName = device;
+    if (terminalName.isEmpty())
+        terminalName = QLatin1String("/dev/buttons");
+    buttonFD = -1;
+    notifier = 0;
+
+    buttonFD = open(terminalName.toLatin1().constData(), O_RDWR | O_NDELAY, 0);;
+    if (buttonFD < 0) {
+        qWarning("Cannot open %s\n", qPrintable(terminalName));
+        return;
+    }
+
+    if (buttonFD >= 0) {
+        notifier = new QSocketNotifier(buttonFD, QSocketNotifier::Read, this);
+        connect(notifier, SIGNAL(activated(int)),this,
+                SLOT(readKeyboardData()));
+    }
+
+    kbdBufferLen = 80;
+    kbdBuffer = new unsigned char [kbdBufferLen];
+    kbdIdx = 0;
+}
+
+QWSVr41xxKbPrivate::~QWSVr41xxKbPrivate()
+{
+    if (buttonFD > 0) {
+        ::close(buttonFD);
+        buttonFD = -1;
+    }
+    delete notifier;
+    notifier = 0;
+    delete [] kbdBuffer;
+}
+
+void QWSVr41xxKbPrivate::readKeyboardData()
+{
+    int n = 0;
+    do {
+        n  = read(buttonFD, kbdBuffer+kbdIdx, kbdBufferLen - kbdIdx);
+        if (n > 0)
+            kbdIdx += n;
+    } while (n > 0);
+
+    int idx = 0;
+    while (kbdIdx - idx >= 2) {
+        unsigned char *next = kbdBuffer + idx;
+        unsigned short *code = (unsigned short *)next;
+        int keycode = Qt::Key_unknown;
+        switch ((*code) & 0x0fff) {
+            case 0x7:
+                keycode = Qt::Key_Up;
+                break;
+            case 0x9:
+                keycode = Qt::Key_Right;
+                break;
+            case 0x8:
+                keycode = Qt::Key_Down;
+                break;
+            case 0xa:
+                keycode = Qt::Key_Left;
+                break;
+            case 0x3:
+                keycode = Qt::Key_Up;
+                break;
+            case 0x4:
+                keycode = Qt::Key_Down;
+                break;
+            case 0x1:
+                keycode = Qt::Key_Return;
+                break;
+            case 0x2:
+                keycode = Qt::Key_F4;
+                break;
+            default:
+                qDebug("Unrecognised key sequence %d", *code);
+        }
+        if ((*code) & 0x8000)
+            handler->processKeyEvent(0, keycode, 0, false, false);
+        else
+            handler->processKeyEvent(0, keycode, 0, true, false);
+        idx += 2;
+    }
+
+    int surplus = kbdIdx - idx;
+    for (int i = 0; i < surplus; i++)
+        kbdBuffer[i] = kbdBuffer[idx+i];
+    kbdIdx = surplus;
+}
+
+QT_END_NAMESPACE
+
+#include "qkbdvr41xx_qws.moc"
+
+#endif // QT_NO_QWS_KBD_VR41XX