Tslib mouse input for Lighthouse

4 files changed, 312 insertions, 0 deletions

diff --git a/src/plugins/generic/tslib/main.cpp b/src/plugins/generic/tslib/main.cpp
new file mode 100644
index 0000000..4e8e50a
--- /dev/null
+++ b/src/plugins/generic/tslib/main.cpp
@@ -0,0 +1,78 @@
+/****************************************************************************
+**
+** Copyright (C) 2010 Nokia Corporation and/or its subsidiary(-ies).
+** All rights reserved.
+** Contact: Nokia Corporation (qt-info@nokia.com)
+**
+** This file is part of the plugins 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 <qgenericplugin_lite.h>
+#include "qtslib.h"
+
+QT_BEGIN_NAMESPACE
+
+class QTsLibPlugin : public QGenericPlugin
+{
+public:
+    QTsLibPlugin();
+
+    QStringList keys() const;
+    QObject* create(const QString &key, const QString &specification);
+};
+
+QTsLibPlugin::QTsLibPlugin()
+    : QGenericPlugin()
+{
+}
+
+QStringList QTsLibPlugin::keys() const
+{
+    return (QStringList()
+            << QLatin1String("Tslib")
+            << QLatin1String("TslibRaw"));
+}
+
+QObject* QTsLibPlugin::create(const QString &key,
+                                                 const QString &specification)
+{
+    if (!key.compare(QLatin1String("Tslib"), Qt::CaseInsensitive) || !key.compare(QLatin1String("TslibRaw"), Qt::CaseInsensitive))
+        return new QTsLibMouseHandler(key, specification);
+    return 0;
+    }
+
+Q_EXPORT_PLUGIN2(qtslibplugin, QTsLibPlugin)
+
+QT_END_NAMESPACE
diff --git a/src/plugins/generic/tslib/qtslib.cpp b/src/plugins/generic/tslib/qtslib.cpp
new file mode 100644
index 0000000..12963a0
--- /dev/null
+++ b/src/plugins/generic/tslib/qtslib.cpp
@@ -0,0 +1,144 @@
+/****************************************************************************
+**
+** Copyright (C) 2010 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 "qtslib.h"
+
+
+#include <QSocketNotifier>
+#include <QStringList>
+#include <QPoint>
+#include <QWindowSystemInterface>
+
+#include <Qt>
+
+#include <errno.h>
+#include <tslib.h>
+
+#include <qdebug.h>
+
+QT_BEGIN_NAMESPACE
+
+QTsLibMouseHandler::QTsLibMouseHandler(const QString &key,
+                                                 const QString &specification)
+    : m_notify(0), m_x(0), m_y(0), m_pressed(0), m_rawMode(false)
+{
+    qDebug() << "QTsLibMouseHandler" << key << specification;
+    setObjectName(QLatin1String("TSLib Mouse Handler"));
+
+    QByteArray device = "/dev/input/event1";
+    if (specification.startsWith("/dev/"))
+        device = specification.toLocal8Bit();
+
+    m_dev =  ts_open(device.constData(), 1);
+
+    if (ts_config(m_dev)) {
+        perror("Error configuring\n");
+    }
+
+
+    m_rawMode =  !key.compare(QLatin1String("TslibRaw"), Qt::CaseInsensitive);
+
+    int fd = ts_fd(m_dev);
+    if (fd >= 0) {
+        m_notify = new QSocketNotifier(fd, QSocketNotifier::Read, this);
+        connect(m_notify, SIGNAL(activated(int)), this, SLOT(readMouseData()));
+    } else {
+        qWarning("Cannot open mouse input device '%s': %s", device.constData(), strerror(errno));
+        return;
+    }
+}
+
+
+QTsLibMouseHandler::~QTsLibMouseHandler()
+{
+    if (m_dev)
+        ts_close(m_dev);
+}
+
+
+static bool get_sample(struct tsdev *dev, struct ts_sample *sample, bool rawMode)
+{
+    if (rawMode) {
+        return (ts_read_raw(dev, sample, 1) == 1);
+    } else {
+        int ret = ts_read(dev, sample, 1);
+        return ( ret == 1);
+    }
+}
+
+
+void QTsLibMouseHandler::readMouseData()
+{
+    ts_sample sample;
+    while (get_sample(m_dev, &sample, m_rawMode)) {
+
+        bool pressed = sample.pressure;
+        int x = sample.x;
+        int y = sample.y;
+
+
+        if (!m_rawMode) {
+            //filtering: ignore movements of 2 pixels or less
+            int dx = x - m_x;
+            int dy = y - m_y;
+            if (dx*dx <= 4 && dy*dy <= 4 && pressed == m_pressed)
+                continue;
+        } else {
+            // work around missing coordinates on mouse release in raw mode
+            if (sample.pressure == 0 && sample.x == 0 && sample.y == 0) {
+                x = m_x;
+                y = m_y;
+            }
+        }
+        QPoint pos(x, y);
+
+        //printf("handleMouseEvent %d %d %d %ld\n", m_x, m_y, pressed, sample.tv.tv_usec);
+
+        QWindowSystemInterface::handleMouseEvent(0, pos, pos, pressed ? Qt::LeftButton : Qt::NoButton);
+
+        m_x = x;
+        m_y = y;
+        m_pressed = pressed;
+    }
+}
+
+QT_END_NAMESPACE
diff --git a/src/plugins/generic/tslib/qtslib.h b/src/plugins/generic/tslib/qtslib.h
new file mode 100644
index 0000000..5eab8b9
--- /dev/null
+++ b/src/plugins/generic/tslib/qtslib.h
@@ -0,0 +1,77 @@
+/****************************************************************************
+**
+** Copyright (C) 2010 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 QTSLIB_H
+#define QTSLIB_H
+
+#include <qobject.h>
+//#include <Qt>
+
+QT_BEGIN_HEADER
+
+QT_BEGIN_NAMESPACE
+
+class QSocketNotifier;
+struct tsdev;
+
+class QTsLibMouseHandler : public QObject
+{
+    Q_OBJECT
+public:
+    QTsLibMouseHandler(const QString &key, const QString &specification);
+    ~QTsLibMouseHandler();
+
+private slots:
+    void readMouseData();
+
+private:
+    QSocketNotifier * m_notify;
+    tsdev *m_dev;
+    int m_x, m_y;
+    bool m_pressed;
+    bool m_rawMode;
+};
+
+QT_END_NAMESPACE
+
+QT_END_HEADER
+
+#endif // QTSLIB_H
diff --git a/src/plugins/generic/tslib/tslib.pro b/src/plugins/generic/tslib/tslib.pro
new file mode 100644
index 0000000..74c7fd2
--- /dev/null
+++ b/src/plugins/generic/tslib/tslib.pro
@@ -0,0 +1,13 @@
+TARGET = qlinuxinputplugin
+include(../../qpluginbase.pri)
+
+QTDIR_build:DESTDIR = $$QT_BUILD_TREE/plugins/generic
+target.path = $$[QT_INSTALL_PLUGINS]/generic
+INSTALLS += target
+
+HEADERS	= qtslib.h
+
+SOURCES	= main.cpp \
+	qtslib.cpp
+
+LIBS += -lts