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-rw-r--r--src/gui/embedded/qmousebus_qws.cpp238
1 files changed, 0 insertions, 238 deletions
diff --git a/src/gui/embedded/qmousebus_qws.cpp b/src/gui/embedded/qmousebus_qws.cpp
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index 1d97ea6..0000000
--- a/src/gui/embedded/qmousebus_qws.cpp
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-/****************************************************************************
-**
-** 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 "qmousebus_qws.h"
-
-#ifndef QT_NO_QWS_MOUSE_BUS
-
-#include "qwindowsystem_qws.h"
-#include "qsocketnotifier.h"
-
-#include "qapplication.h"
-
-#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>
-
-QT_BEGIN_NAMESPACE
-
-/*
- * bus mouse driver (a.k.a. Logitech busmouse)
- */
-
-class QWSBusMouseHandlerPrivate : public QObject
-{
- Q_OBJECT
-public:
- QWSBusMouseHandlerPrivate(QWSBusMouseHandler *h, const QString &driver, const QString &device);
- ~QWSBusMouseHandlerPrivate();
-
- void suspend();
- void resume();
-
-private slots:
- void readMouseData();
-
-protected:
- enum { mouseBufSize = 128 };
- QWSBusMouseHandler *handler;
- QSocketNotifier *mouseNotifier;
- int mouseFD;
- int mouseIdx;
- int obstate;
- uchar mouseBuf[mouseBufSize];
-};
-
-QWSBusMouseHandler::QWSBusMouseHandler(const QString &driver, const QString &device)
- : QWSMouseHandler(driver, device)
-{
- d = new QWSBusMouseHandlerPrivate(this, driver, device);
-}
-
-QWSBusMouseHandler::~QWSBusMouseHandler()
-{
- delete d;
-}
-
-void QWSBusMouseHandler::suspend()
-{
- d->suspend();
-}
-
-void QWSBusMouseHandler::resume()
-{
- d->resume();
-}
-
-
-QWSBusMouseHandlerPrivate::QWSBusMouseHandlerPrivate(QWSBusMouseHandler *h,
- const QString &, const QString &device)
- : handler(h)
-
-{
- QString mouseDev = device;
- if (mouseDev.isEmpty())
- mouseDev = QLatin1String("/dev/mouse");
- obstate = -1;
- mouseFD = -1;
- mouseFD = open(mouseDev.toLocal8Bit(), O_RDWR | O_NDELAY);
- if (mouseFD < 0)
- mouseFD = open(mouseDev.toLocal8Bit(), O_RDONLY | O_NDELAY);
- if (mouseFD < 0)
- qDebug("Cannot open %s (%s)", qPrintable(mouseDev), strerror(errno));
-
- // Clear pending input
- tcflush(mouseFD,TCIFLUSH);
- usleep(50000);
-
- char buf[100]; // busmouse driver will not read if bufsize < 3, YYD
- while (read(mouseFD, buf, 100) > 0) { } // eat unwanted replies
-
- mouseIdx = 0;
-
- mouseNotifier = new QSocketNotifier(mouseFD, QSocketNotifier::Read, this);
- connect(mouseNotifier, SIGNAL(activated(int)),this, SLOT(readMouseData()));
-}
-
-QWSBusMouseHandlerPrivate::~QWSBusMouseHandlerPrivate()
-{
- if (mouseFD >= 0) {
- tcflush(mouseFD,TCIFLUSH); // yyd.
- close(mouseFD);
- }
-}
-
-
-void QWSBusMouseHandlerPrivate::suspend()
-{
- mouseNotifier->setEnabled(false);
-}
-
-
-void QWSBusMouseHandlerPrivate::resume()
-{
- mouseIdx = 0;
- obstate = -1;
- mouseNotifier->setEnabled(true);
-}
-
-void QWSBusMouseHandlerPrivate::readMouseData()
-{
- int n;
- // It'll only read 3 bytes a time and return all other buffer zeroed, thus cause protocol errors
- for (;;) {
- if (mouseBufSize - mouseIdx < 3)
- break;
- n = read(mouseFD, mouseBuf+mouseIdx, 3);
- if (n != 3)
- break;
- mouseIdx += 3;
- }
-
- static const int accel_limit = 5;
- static const int accel = 2;
-
- int idx = 0;
- int bstate = 0;
- int dx = 0, dy = 0;
- bool sendEvent = false;
- int tdx = 0, tdy = 0;
-
- while (mouseIdx-idx >= 3) {
-#if 0 // debug
- qDebug("Got mouse data");
-#endif
- uchar *mb = mouseBuf+idx;
- bstate = 0;
- dx = 0;
- dy = 0;
- sendEvent = false;
- if (((mb[0] & 0x04)))
- bstate |= Qt::LeftButton;
- if (((mb[0] & 0x01)))
- bstate |= Qt::RightButton;
-
- dx=(signed char)mb[1];
- dy=(signed char)mb[2];
- sendEvent=true;
-
- if (sendEvent) {
- if (qAbs(dx) > accel_limit || qAbs(dy) > accel_limit) {
- dx *= accel;
- dy *= accel;
- }
- tdx += dx;
- tdy += dy;
- if (bstate != obstate) {
- QPoint pos = handler->pos() + QPoint(tdx,-tdy);
- handler->limitToScreen(pos);
- handler->mouseChanged(pos,bstate);
- sendEvent = false;
- tdx = 0;
- tdy = 0;
- obstate = bstate;
- }
- }
- idx += 3;
- }
- if (sendEvent) {
- QPoint pos = handler->pos() + QPoint(tdx,-tdy);
- handler->limitToScreen(pos);
- handler->mouseChanged(pos,bstate);
- }
-
- int surplus = mouseIdx - idx;
- for (int i = 0; i < surplus; i++)
- mouseBuf[i] = mouseBuf[idx+i];
- mouseIdx = surplus;
-}
-
-QT_END_NAMESPACE
-
-#include "qmousebus_qws.moc"
-
-#endif // QT_NO_QWS_MOUSE_BUS