--- /dev/null Thu Jan 01 00:00:00 1970 +0000
+++ b/src/gui/embedded/qkbdlinuxinput_qws.cpp Mon Jan 11 14:00:40 2010 +0000
@@ -0,0 +1,245 @@
+/****************************************************************************
+**
+** 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 "qkbdlinuxinput_qws.h"
+
+#ifndef QT_NO_QWS_KEYBOARD
+
+#include <QSocketNotifier>
+#include <QStringList>
+
+#include <qplatformdefs.h>
+#include <private/qcore_unix_p.h> // overrides QT_OPEN
+
+#include <errno.h>
+#include <termios.h>
+
+#include <linux/kd.h>
+#include <linux/input.h>
+
+QT_BEGIN_NAMESPACE
+
+
+class QWSLinuxInputKbPrivate : public QObject
+{
+ Q_OBJECT
+public:
+ QWSLinuxInputKbPrivate(QWSLinuxInputKeyboardHandler *, const QString &);
+ ~QWSLinuxInputKbPrivate();
+
+private:
+ void switchLed(int, bool);
+
+private Q_SLOTS:
+ void readKeycode();
+
+private:
+ QWSLinuxInputKeyboardHandler *m_handler;
+ int m_fd;
+ int m_tty_fd;
+ struct termios m_tty_attr;
+ int m_orig_kbmode;
+};
+
+QWSLinuxInputKeyboardHandler::QWSLinuxInputKeyboardHandler(const QString &device)
+ : QWSKeyboardHandler(device)
+{
+ d = new QWSLinuxInputKbPrivate(this, device);
+}
+
+QWSLinuxInputKeyboardHandler::~QWSLinuxInputKeyboardHandler()
+{
+ delete d;
+}
+
+bool QWSLinuxInputKeyboardHandler::filterInputEvent(quint16 &, qint32 &)
+{
+ return false;
+}
+
+QWSLinuxInputKbPrivate::QWSLinuxInputKbPrivate(QWSLinuxInputKeyboardHandler *h, const QString &device)
+ : m_handler(h), m_fd(-1), m_tty_fd(-1), m_orig_kbmode(K_XLATE)
+{
+ setObjectName(QLatin1String("LinuxInputSubsystem Keyboard Handler"));
+
+ QString dev = QLatin1String("/dev/input/event1");
+ int repeat_delay = -1;
+ int repeat_rate = -1;
+
+ QStringList args = device.split(QLatin1Char(':'));
+ foreach (const QString &arg, args) {
+ if (arg.startsWith(QLatin1String("repeat-delay=")))
+ repeat_delay = arg.mid(13).toInt();
+ else if (arg.startsWith(QLatin1String("repeat-rate=")))
+ repeat_rate = arg.mid(12).toInt();
+ else if (arg.startsWith(QLatin1String("/dev/")))
+ dev = arg;
+ }
+
+ m_fd = QT_OPEN(dev.toLocal8Bit().constData(), O_RDWR, 0);
+ if (m_fd >= 0) {
+ if (repeat_delay > 0 && repeat_rate > 0) {
+ int kbdrep[2] = { repeat_delay, repeat_rate };
+ ::ioctl(m_fd, EVIOCSREP, kbdrep);
+ }
+
+ QSocketNotifier *notifier;
+ notifier = new QSocketNotifier(m_fd, QSocketNotifier::Read, this);
+ connect(notifier, SIGNAL(activated(int)), this, SLOT(readKeycode()));
+
+ // play nice in case we are started from a shell (e.g. for debugging)
+ m_tty_fd = isatty(0) ? 0 : -1;
+
+ if (m_tty_fd >= 0) {
+ // save tty config for restore.
+ tcgetattr(m_tty_fd, &m_tty_attr);
+
+ struct ::termios termdata;
+ tcgetattr(m_tty_fd, &termdata);
+
+ // record the original mode so we can restore it again in the destructor.
+ ::ioctl(m_tty_fd, KDGKBMODE, &m_orig_kbmode);
+
+ // setting this tranlation mode is even needed in INPUT mode to prevent
+ // the shell from also interpreting codes, if the process has a tty
+ // attached: e.g. Ctrl+C wouldn't copy, but kill the application.
+ ::ioctl(m_tty_fd, KDSKBMODE, K_MEDIUMRAW);
+
+ // set the tty layer to pass-through
+ termdata.c_iflag = (IGNPAR | IGNBRK) & (~PARMRK) & (~ISTRIP);
+ termdata.c_oflag = 0;
+ termdata.c_cflag = CREAD | CS8;
+ termdata.c_lflag = 0;
+ termdata.c_cc[VTIME]=0;
+ termdata.c_cc[VMIN]=1;
+ cfsetispeed(&termdata, 9600);
+ cfsetospeed(&termdata, 9600);
+ tcsetattr(m_tty_fd, TCSANOW, &termdata);
+ }
+ } else {
+ qWarning("Cannot open keyboard input device '%s': %s", qPrintable(dev), strerror(errno));
+ return;
+ }
+}
+
+QWSLinuxInputKbPrivate::~QWSLinuxInputKbPrivate()
+{
+ if (m_tty_fd >= 0) {
+ ::ioctl(m_tty_fd, KDSKBMODE, m_orig_kbmode);
+ tcsetattr(m_tty_fd, TCSANOW, &m_tty_attr);
+ }
+ if (m_fd >= 0)
+ QT_CLOSE(m_fd);
+}
+
+void QWSLinuxInputKbPrivate::switchLed(int led, bool state)
+{
+ struct ::input_event led_ie;
+ ::gettimeofday(&led_ie.time, 0);
+ led_ie.type = EV_LED;
+ led_ie.code = led;
+ led_ie.value = state;
+
+ QT_WRITE(m_fd, &led_ie, sizeof(led_ie));
+}
+
+void QWSLinuxInputKbPrivate::readKeycode()
+{
+ struct ::input_event buffer[32];
+ int n = 0;
+
+ forever {
+ n = QT_READ(m_fd, reinterpret_cast<char *>(buffer) + n, sizeof(buffer) - n);
+
+ if (n == 0) {
+ qWarning("Got EOF from the input device.");
+ return;
+ } else if (n < 0 && (errno != EINTR && errno != EAGAIN)) {
+ qWarning("Could not read from input device: %s", strerror(errno));
+ return;
+ } else if (n % sizeof(buffer[0]) == 0) {
+ break;
+ }
+ }
+
+ n /= sizeof(buffer[0]);
+
+ for (int i = 0; i < n; ++i) {
+ if (buffer[i].type != EV_KEY)
+ continue;
+
+ quint16 code = buffer[i].code;
+ qint32 value = buffer[i].value;
+
+ if (m_handler->filterInputEvent(code, value))
+ continue;
+
+ QWSKeyboardHandler::KeycodeAction ka;
+ ka = m_handler->processKeycode(code, value != 0, value == 2);
+
+ switch (ka) {
+ case QWSKeyboardHandler::CapsLockOn:
+ case QWSKeyboardHandler::CapsLockOff:
+ switchLed(LED_CAPSL, ka == QWSKeyboardHandler::CapsLockOn);
+ break;
+
+ case QWSKeyboardHandler::NumLockOn:
+ case QWSKeyboardHandler::NumLockOff:
+ switchLed(LED_NUML, ka == QWSKeyboardHandler::NumLockOn);
+ break;
+
+ case QWSKeyboardHandler::ScrollLockOn:
+ case QWSKeyboardHandler::ScrollLockOff:
+ switchLed(LED_SCROLLL, ka == QWSKeyboardHandler::ScrollLockOn);
+ break;
+
+ default:
+ // ignore console switching and reboot
+ break;
+ }
+ }
+}
+
+QT_END_NAMESPACE
+
+#include "qkbdlinuxinput_qws.moc"
+
+#endif // QT_NO_QWS_KEYBOARD