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Diffstat (limited to 'src/gui/embedded/qmouseqnx_qws.cpp')
| -rw-r--r-- | src/gui/embedded/qmouseqnx_qws.cpp | 190 |
1 files changed, 0 insertions, 190 deletions
diff --git a/src/gui/embedded/qmouseqnx_qws.cpp b/src/gui/embedded/qmouseqnx_qws.cpp deleted file mode 100644 index a9647c0fff..0000000000 --- a/src/gui/embedded/qmouseqnx_qws.cpp +++ /dev/null @@ -1,190 +0,0 @@ -/**************************************************************************** -** -** Copyright (C) 2011 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. -** -** $QT_BEGIN_LICENSE:LGPL$ -** GNU Lesser General Public License Usage -** 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. -** -** 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. -** -** Other Usage -** Alternatively, this file may be used in accordance with the terms and -** conditions contained in a signed written agreement between you and Nokia. -** -** -** -** -** -** $QT_END_LICENSE$ -** -****************************************************************************/ - -#include "qplatformdefs.h" -#include "qmouseqnx_qws.h" - -#include "qsocketnotifier.h" -#include "qdebug.h" - -#include <sys/dcmd_input.h> - -#include <errno.h> - -QT_BEGIN_NAMESPACE - -/*! - \class QQnxMouseHandler - \preliminary - \ingroup qws - \internal - \since 4.6 - - \brief The QQnxMouseHandler class implements a mouse driver - for the QNX \c{devi-hid} input manager. - - To be able to compile this mouse handler, \l{Qt for Embedded Linux} - must be configured with the \c -qt-mouse-qnx option, see the - \l{Qt for Embedded Linux Pointer Handling}{Pointer Handling} documentation for details. - - In order to use this mouse handler, the \c{devi-hid} input manager - must be set up and run with the resource manager interface (option \c{-r}). - Also, Photon must not be running. - - Example invocation from command line: \c{/usr/photon/bin/devi-hid -Pr kbd mouse} - Note that after running \c{devi-hid}, you will not be able to use the local - shell anymore. It is suggested to run the command in a shell scrip, that launches - a Qt application after invocation of \c{devi-hid}. - - To make \l{Qt for Embedded Linux} explicitly choose the qnx mouse - handler, set the QWS_MOUSE_PROTO environment variable to \c{qnx}. By default, - the first mouse device (\c{/dev/devi/mouse0}) is used. To override, pass a device - name as the first and only parameter, for example - \c{QWS_MOUSE_PROTO=qnx:/dev/devi/mouse1; export QWS_MOUSE_PROTO}. - - \sa {Qt for Embedded Linux Pointer Handling}{Pointer Handling}, {Qt for Embedded Linux} -*/ - -/*! - Constructs a mouse handler for the specified \a device, defaulting to \c{/dev/devi/mouse0}. - The \a driver parameter must be \c{"qnx"}. - - Note that you should never instanciate this class, instead let QMouseDriverFactory - handle the mouse handlers. - - \sa QMouseDriverFactory - */ -QQnxMouseHandler::QQnxMouseHandler(const QString & /*driver*/, const QString &device) -{ - // open the mouse device with O_NONBLOCK so reading won't block when there's no data - mouseFD = QT_OPEN(device.isEmpty() ? "/dev/devi/mouse0" : device.toLatin1().constData(), - QT_OPEN_RDONLY | O_NONBLOCK); - if (mouseFD == -1) { - qErrnoWarning(errno, "QQnxMouseHandler: Unable to open mouse device"); - return; - } - - // register a socket notifier on the file descriptor so we'll wake up whenever - // there's a mouse move waiting for us. - mouseNotifier = new QSocketNotifier(mouseFD, QSocketNotifier::Read, this); - connect(mouseNotifier, SIGNAL(activated(int)), SLOT(socketActivated())); - - qDebug() << "QQnxMouseHandler: connected."; -} - -/*! - Destroys this mouse handler and closes the connection to the mouse device. - */ -QQnxMouseHandler::~QQnxMouseHandler() -{ - QT_CLOSE(mouseFD); -} - -/*! \reimp */ -void QQnxMouseHandler::resume() -{ - if (mouseNotifier) - mouseNotifier->setEnabled(true); -} - -/*! \reimp */ -void QQnxMouseHandler::suspend() -{ - if (mouseNotifier) - mouseNotifier->setEnabled(false); -} - -/*! \internal - - This function is called whenever there is activity on the mouse device. - By default, it reads up to 10 mouse move packets and calls mouseChanged() - for each of them. -*/ -void QQnxMouseHandler::socketActivated() -{ - // _mouse_packet is a QNX structure. devi-hid is nice enough to translate - // the raw byte data from mouse devices into generic format for us. - _mouse_packet packet; - - int iteration = 0; - - // read mouse events in batches of 10. Since we're getting quite a lot - // of mouse events, it's better to do them in batches than to return to the - // event loop every time. - do { - int bytesRead = QT_READ(mouseFD, &packet, sizeof(packet)); - if (bytesRead == -1) { - // EAGAIN means that there are no more mouse events to read - if (errno != EAGAIN) - qErrnoWarning(errno, "QQnxMouseHandler: Unable to read from socket"); - return; - } - - // bytes read should always be equal to the size of a packet. - Q_ASSERT(bytesRead == sizeof(packet)); - - // translate the coordinates from the QNX data structure to Qt coordinates - // note the swapped y axis - QPoint pos = mousePos; - pos += QPoint(packet.dx, -packet.dy); - - // QNX only tells us relative mouse movements, not absolute ones, so limit the - // cursor position manually to the screen - limitToScreen(pos); - - // translate the QNX mouse button bitmask to Qt buttons - int buttons = Qt::NoButton; - - if (packet.hdr.buttons & _POINTER_BUTTON_LEFT) - buttons |= Qt::LeftButton; - if (packet.hdr.buttons & _POINTER_BUTTON_MIDDLE) - buttons |= Qt::MidButton; - if (packet.hdr.buttons & _POINTER_BUTTON_RIGHT) - buttons |= Qt::RightButton; - - // call mouseChanged() - this does all the magic to actually move the on-screen - // mouse cursor. - mouseChanged(pos, buttons, 0); - } while (++iteration < 11); -} - -QT_END_NAMESPACE - |