--- /dev/null Thu Jan 01 00:00:00 1970 +0000
+++ b/src/gui/embedded/qmouselinuxtp_qws.cpp Mon Jan 11 14:00:40 2010 +0000
@@ -0,0 +1,335 @@
+/****************************************************************************
+**
+** 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 "qmouselinuxtp_qws.h"
+
+#ifndef QT_NO_QWS_MOUSE_LINUXTP
+#include "qwindowsystem_qws.h"
+#include "qsocketnotifier.h"
+#include "qtimer.h"
+#include "qapplication.h"
+#include "qscreen_qws.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
+
+#if defined(QT_QWS_IPAQ)
+ #define QT_QWS_IPAQ_RAW
+ #define QT_QWS_SCREEN_COORDINATES
+ typedef struct {
+ unsigned short pressure;
+ unsigned short x;
+ unsigned short y;
+ unsigned short pad;
+ } TS_EVENT;
+#elif defined(QT_QWS_EBX)
+ #define QT_QWS_EBX_RAW
+ #define QT_QWS_SCREEN_COORDINATES
+#ifndef QT_QWS_SHARP
+ typedef struct {
+ unsigned short pressure;
+ unsigned short x;
+ unsigned short y;
+ unsigned short pad;
+ } TS_EVENT;
+ #else
+ typedef struct {
+ long y;
+ long x;
+ long pressure;
+ long long millisecs;
+ } TS_EVENT;
+ #define QT_QWS_TP_SAMPLE_SIZE 10
+ #define QT_QWS_TP_MINIMUM_SAMPLES 4
+ #define QT_QWS_TP_PRESSURE_THRESHOLD 500
+ #define QT_QWS_TP_MOVE_LIMIT 50
+ #define QT_QWS_TP_JITTER_LIMIT 2
+ #endif
+#else // not IPAQ, not SHARP
+ typedef struct {
+ unsigned short pressure;
+ unsigned short x;
+ unsigned short y;
+ unsigned short pad;
+ } TS_EVENT;
+#endif
+
+#ifndef QT_QWS_TP_SAMPLE_SIZE
+#define QT_QWS_TP_SAMPLE_SIZE 5
+#endif
+
+#ifndef QT_QWS_TP_MINIMUM_SAMPLES
+#define QT_QWS_TP_MINIMUM_SAMPLES 5
+#endif
+
+#ifndef QT_QWS_TP_PRESSURE_THRESHOLD
+#define QT_QWS_TP_PRESSURE_THRESHOLD 1
+#endif
+
+#ifndef QT_QWS_TP_MOVE_LIMIT
+#define QT_QWS_TP_MOVE_LIMIT 100
+#endif
+
+#ifndef QT_QWS_TP_JITTER_LIMIT
+#define QT_QWS_TP_JITTER_LIMIT 2
+#endif
+
+class QWSLinuxTPMouseHandlerPrivate : public QObject
+{
+ Q_OBJECT
+public:
+ QWSLinuxTPMouseHandlerPrivate(QWSLinuxTPMouseHandler *h, const QString &);
+ ~QWSLinuxTPMouseHandlerPrivate();
+
+ void suspend();
+ void resume();
+private:
+ static const int mouseBufSize = 2048;
+ int mouseFD;
+ QPoint oldmouse;
+ QPoint oldTotalMousePos;
+ bool waspressed;
+ QPolygon samples;
+ int currSample;
+ int lastSample;
+ int numSamples;
+ int skipCount;
+ int mouseIdx;
+ uchar mouseBuf[mouseBufSize];
+ QWSLinuxTPMouseHandler *handler;
+ QSocketNotifier *mouseNotifier;
+
+private slots:
+ void readMouseData();
+};
+
+QWSLinuxTPMouseHandler::QWSLinuxTPMouseHandler(const QString &driver, const QString &device)
+ : QWSCalibratedMouseHandler(driver, device)
+{
+ d = new QWSLinuxTPMouseHandlerPrivate(this, device);
+}
+
+QWSLinuxTPMouseHandler::~QWSLinuxTPMouseHandler()
+{
+ delete d;
+}
+
+void QWSLinuxTPMouseHandler::suspend()
+{
+ d->suspend();
+}
+
+void QWSLinuxTPMouseHandler::resume()
+{
+ d->resume();
+}
+
+QWSLinuxTPMouseHandlerPrivate::QWSLinuxTPMouseHandlerPrivate(QWSLinuxTPMouseHandler *h,
+ const QString &device)
+ : samples(QT_QWS_TP_SAMPLE_SIZE), currSample(0), lastSample(0),
+ numSamples(0), skipCount(0), handler(h)
+{
+ QString mousedev;
+ if (device.isEmpty()) {
+#if defined(QT_QWS_IPAQ)
+# ifdef QT_QWS_IPAQ_RAW
+ mousedev = QLatin1String("/dev/h3600_tsraw");
+# else
+ mousedev = QLatin1String("/dev/h3600_ts");
+# endif
+#else
+ mousedev = QLatin1String("/dev/ts");
+#endif
+ } else {
+ mousedev = device;
+ }
+ if ((mouseFD = QT_OPEN(mousedev.toLatin1().constData(), O_RDONLY | O_NDELAY)) < 0) {
+ qWarning("Cannot open %s (%s)", qPrintable(mousedev), strerror(errno));
+ return;
+ }
+
+ mouseNotifier = new QSocketNotifier(mouseFD, QSocketNotifier::Read,
+ this);
+ connect(mouseNotifier, SIGNAL(activated(int)),this, SLOT(readMouseData()));
+ waspressed=false;
+ mouseIdx = 0;
+}
+
+QWSLinuxTPMouseHandlerPrivate::~QWSLinuxTPMouseHandlerPrivate()
+{
+ if (mouseFD >= 0)
+ QT_CLOSE(mouseFD);
+}
+
+void QWSLinuxTPMouseHandlerPrivate::suspend()
+{
+ if (mouseNotifier)
+ mouseNotifier->setEnabled(false);
+}
+
+void QWSLinuxTPMouseHandlerPrivate::resume()
+{
+ mouseIdx=0;
+ currSample=0;
+ lastSample=0;
+ numSamples=0;
+ skipCount=0;
+ if (mouseNotifier)
+ mouseNotifier->setEnabled(true);
+}
+
+
+void QWSLinuxTPMouseHandlerPrivate::readMouseData()
+{
+ if(!qt_screen)
+ return;
+
+ int n;
+ do {
+ n = QT_READ(mouseFD, mouseBuf+mouseIdx, mouseBufSize-mouseIdx);
+ if (n > 0)
+ mouseIdx += n;
+ } while (n > 0 && mouseIdx < mouseBufSize);
+
+ //qDebug("readMouseData()");
+
+ TS_EVENT *data;
+ int idx = 0;
+
+ // perhaps we shouldn't be reading EVERY SAMPLE.
+ while (mouseIdx-idx >= (int)sizeof(TS_EVENT)) {
+ uchar *mb = mouseBuf+idx;
+ data = (TS_EVENT *) mb;
+
+ if(data->pressure >= QT_QWS_TP_PRESSURE_THRESHOLD) {
+#ifdef QT_QWS_SHARP
+ samples[currSample] = QPoint(1000 - data->x, data->y);
+#else
+ samples[currSample] = QPoint(data->x, data->y);
+#endif
+ numSamples++;
+ if (numSamples >= QT_QWS_TP_MINIMUM_SAMPLES) {
+ int sampleCount = qMin(numSamples + 1,samples.count());
+
+ // average the rest
+ QPoint mousePos = QPoint(0, 0);
+ QPoint totalMousePos = oldTotalMousePos;
+ totalMousePos += samples[currSample];
+ if(numSamples >= samples.count())
+ totalMousePos -= samples[lastSample];
+
+ mousePos = totalMousePos / (sampleCount - 1);
+#if defined(QT_QWS_SCREEN_COORDINATES)
+ mousePos = handler->transform(mousePos);
+#endif
+ if(!waspressed)
+ oldmouse = mousePos;
+ QPoint dp = mousePos - oldmouse;
+ int dxSqr = dp.x() * dp.x();
+ int dySqr = dp.y() * dp.y();
+ if (dxSqr + dySqr < (QT_QWS_TP_MOVE_LIMIT * QT_QWS_TP_MOVE_LIMIT)) {
+ if (waspressed) {
+ if ((dxSqr + dySqr > (QT_QWS_TP_JITTER_LIMIT * QT_QWS_TP_JITTER_LIMIT)) || skipCount > 2) {
+ handler->mouseChanged(mousePos,Qt::LeftButton);
+ oldmouse = mousePos;
+ skipCount = 0;
+ } else {
+ skipCount++;
+ }
+ } else {
+ handler->mouseChanged(mousePos,Qt::LeftButton);
+ oldmouse=mousePos;
+ waspressed=true;
+ }
+
+ // save recuring information
+ currSample++;
+ if (numSamples >= samples.count())
+ lastSample++;
+ oldTotalMousePos = totalMousePos;
+ } else {
+ numSamples--; // don't use this sample, it was bad.
+ }
+ } else {
+ // build up the average
+ oldTotalMousePos += samples[currSample];
+ currSample++;
+ }
+ if (currSample >= samples.count())
+ currSample = 0;
+ if (lastSample >= samples.count())
+ lastSample = 0;
+ } else {
+ currSample = 0;
+ lastSample = 0;
+ numSamples = 0;
+ skipCount = 0;
+ oldTotalMousePos = QPoint(0,0);
+ if (waspressed) {
+ handler->mouseChanged(oldmouse,0);
+ oldmouse = QPoint(-100, -100);
+ waspressed=false;
+ }
+ }
+ idx += sizeof(TS_EVENT);
+ }
+
+ int surplus = mouseIdx - idx;
+ for (int i = 0; i < surplus; i++)
+ mouseBuf[i] = mouseBuf[idx+i];
+ mouseIdx = surplus;
+}
+
+QT_END_NAMESPACE
+
+#include "qmouselinuxtp_qws.moc"
+
+#endif //QT_NO_QWS_MOUSE_LINUXTP