diff options
Diffstat (limited to 'src/gui/embedded/qmousebus_qws.cpp')
| -rw-r--r-- | src/gui/embedded/qmousebus_qws.cpp | 239 |
1 files changed, 0 insertions, 239 deletions
diff --git a/src/gui/embedded/qmousebus_qws.cpp b/src/gui/embedded/qmousebus_qws.cpp deleted file mode 100644 index 0b674b696..000000000 --- a/src/gui/embedded/qmousebus_qws.cpp +++ /dev/null @@ -1,239 +0,0 @@ -/**************************************************************************** -** -** Copyright (C) 2009 Nokia Corporation and/or its subsidiary(-ies). -** 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 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 http://www.qtsoftware.com/contact. -** $QT_END_LICENSE$ -** -****************************************************************************/ - -#include "qmousebus_qws.h" - -#ifndef QT_NO_QWS_MOUSE_BUS - -#include "qwindowsystem_qws.h" -#include "qsocketnotifier.h" - -#include "qapplication.h" -#include <private/qcore_unix_p.h> // overrides QT_OPEN - -#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 = QT_OPEN(mouseDev.toLocal8Bit(), O_RDWR | O_NDELAY); - if (mouseFD < 0) - mouseFD = QT_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 (QT_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. - QT_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 = QT_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 |