summaryrefslogtreecommitdiffstats
path: root/src/gui/embedded/qmousevfb_qws.cpp
diff options
context:
space:
mode:
Diffstat (limited to 'src/gui/embedded/qmousevfb_qws.cpp')
-rw-r--r--src/gui/embedded/qmousevfb_qws.cpp133
1 files changed, 133 insertions, 0 deletions
diff --git a/src/gui/embedded/qmousevfb_qws.cpp b/src/gui/embedded/qmousevfb_qws.cpp
new file mode 100644
index 0000000000..76eff3efe1
--- /dev/null
+++ b/src/gui/embedded/qmousevfb_qws.cpp
@@ -0,0 +1,133 @@
+/****************************************************************************
+**
+** 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.
+**
+** $QT_BEGIN_LICENSE:LGPL$
+** 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.
+**
+**
+**
+**
+**
+**
+**
+**
+** $QT_END_LICENSE$
+**
+****************************************************************************/
+
+#ifndef QT_NO_QWS_MOUSE_QVFB
+
+#include <stdlib.h>
+#include <sys/types.h>
+#include <unistd.h>
+#include <fcntl.h>
+#include <errno.h>
+#include <stdio.h>
+
+#include <qvfbhdr.h>
+#include <qmousevfb_qws.h>
+#include <qwindowsystem_qws.h>
+#include <qsocketnotifier.h>
+#include <qapplication.h>
+#include <qtimer.h>
+#include <private/qcore_unix_p.h> // overrides QT_OPEN
+
+QT_BEGIN_NAMESPACE
+
+QVFbMouseHandler::QVFbMouseHandler(const QString &driver, const QString &device)
+ : QObject(), QWSMouseHandler(driver, device)
+{
+ QString mouseDev = device;
+ if (device.isEmpty())
+ mouseDev = QLatin1String("/dev/vmouse");
+
+ mouseFD = QT_OPEN(mouseDev.toLatin1().constData(), O_RDWR | O_NDELAY);
+ if (mouseFD == -1) {
+ perror("QVFbMouseHandler::QVFbMouseHandler");
+ qWarning("QVFbMouseHander: Unable to open device %s",
+ qPrintable(mouseDev));
+ return;
+ }
+
+ // Clear pending input
+ char buf[2];
+ while (QT_READ(mouseFD, buf, 1) > 0) { }
+
+ mouseIdx = 0;
+
+ mouseNotifier = new QSocketNotifier(mouseFD, QSocketNotifier::Read, this);
+ connect(mouseNotifier, SIGNAL(activated(int)),this, SLOT(readMouseData()));
+}
+
+QVFbMouseHandler::~QVFbMouseHandler()
+{
+ if (mouseFD >= 0)
+ QT_CLOSE(mouseFD);
+}
+
+void QVFbMouseHandler::resume()
+{
+ mouseNotifier->setEnabled(true);
+}
+
+void QVFbMouseHandler::suspend()
+{
+ mouseNotifier->setEnabled(false);
+}
+
+void QVFbMouseHandler::readMouseData()
+{
+ int n;
+ do {
+ n = QT_READ(mouseFD, mouseBuf+mouseIdx, mouseBufSize-mouseIdx);
+ if (n > 0)
+ mouseIdx += n;
+ } while (n > 0);
+
+ int idx = 0;
+ static const int packetsize = sizeof(QPoint) + 2*sizeof(int);
+ while (mouseIdx-idx >= packetsize) {
+ uchar *mb = mouseBuf+idx;
+ QPoint mousePos = *reinterpret_cast<QPoint *>(mb);
+ mb += sizeof(QPoint);
+ int bstate = *reinterpret_cast<int *>(mb);
+ mb += sizeof(int);
+ int wheel = *reinterpret_cast<int *>(mb);
+// limitToScreen(mousePos);
+ mouseChanged(mousePos, bstate, wheel);
+ idx += packetsize;
+ }
+
+ int surplus = mouseIdx - idx;
+ for (int i = 0; i < surplus; i++)
+ mouseBuf[i] = mouseBuf[idx+i];
+ mouseIdx = surplus;
+}
+
+QT_END_NAMESPACE
+
+#endif // QT_NO_QWS_MOUSE_QVFB