diff options
Diffstat (limited to 'src/plugins/sensorgestures/qtsensors/qtwistsensorgesturerecognizer.cpp')
| -rw-r--r-- | src/plugins/sensorgestures/qtsensors/qtwistsensorgesturerecognizer.cpp | 291 |
1 files changed, 0 insertions, 291 deletions
diff --git a/src/plugins/sensorgestures/qtsensors/qtwistsensorgesturerecognizer.cpp b/src/plugins/sensorgestures/qtsensors/qtwistsensorgesturerecognizer.cpp deleted file mode 100644 index 6a1f1706..00000000 --- a/src/plugins/sensorgestures/qtsensors/qtwistsensorgesturerecognizer.cpp +++ /dev/null @@ -1,291 +0,0 @@ -/**************************************************************************** -** -** Copyright (C) 2016 The Qt Company Ltd. -** Contact: https://www.qt.io/licensing/ -** -** This file is part of the QtSensors module of the Qt Toolkit. -** -** $QT_BEGIN_LICENSE:LGPL$ -** Commercial License Usage -** Licensees holding valid commercial Qt licenses may use this file in -** accordance with the commercial license agreement provided with the -** Software or, alternatively, in accordance with the terms contained in -** a written agreement between you and The Qt Company. For licensing terms -** and conditions see https://www.qt.io/terms-conditions. For further -** information use the contact form at https://www.qt.io/contact-us. -** -** GNU Lesser General Public License Usage -** Alternatively, this file may be used under the terms of the GNU Lesser -** General Public License version 3 as published by the Free Software -** Foundation and appearing in the file LICENSE.LGPL3 included in the -** packaging of this file. Please review the following information to -** ensure the GNU Lesser General Public License version 3 requirements -** will be met: https://www.gnu.org/licenses/lgpl-3.0.html. -** -** GNU General Public License Usage -** Alternatively, this file may be used under the terms of the GNU -** General Public License version 2.0 or (at your option) the GNU General -** Public license version 3 or any later version approved by the KDE Free -** Qt Foundation. The licenses are as published by the Free Software -** Foundation and appearing in the file LICENSE.GPL2 and LICENSE.GPL3 -** included in the packaging of this file. Please review the following -** information to ensure the GNU General Public License requirements will -** be met: https://www.gnu.org/licenses/gpl-2.0.html and -** https://www.gnu.org/licenses/gpl-3.0.html. -** -** $QT_END_LICENSE$ -** -****************************************************************************/ - - -#include "qtwistsensorgesturerecognizer.h" - -#include <QtCore/qmath.h> - -QT_BEGIN_NAMESPACE - -#define TIMER_TIMEOUT 750 -QTwistSensorGestureRecognizer::QTwistSensorGestureRecognizer(QObject *parent) - : QSensorGestureRecognizer(parent) - , orientationReading(0) - , active(0) - , detecting(0) - , checking(0) - , increaseCount(0) - , decreaseCount(0) - , lastAngle(0) - , detectedAngle(0) -{ -} - -QTwistSensorGestureRecognizer::~QTwistSensorGestureRecognizer() -{ -} - -void QTwistSensorGestureRecognizer::create() -{ -} - -QString QTwistSensorGestureRecognizer::id() const -{ - return QString("QtSensors.twist"); -} - -bool QTwistSensorGestureRecognizer::start() -{ - if (QtSensorGestureSensorHandler::instance()->startSensor(QtSensorGestureSensorHandler::Accel)) { - if (QtSensorGestureSensorHandler::instance()->startSensor(QtSensorGestureSensorHandler::Orientation)) { - active = true; - connect(QtSensorGestureSensorHandler::instance(),SIGNAL(orientationReadingChanged(QOrientationReading*)), - this,SLOT(orientationReadingChanged(QOrientationReading*))); - - connect(QtSensorGestureSensorHandler::instance(),SIGNAL(accelReadingChanged(QAccelerometerReading*)), - this,SLOT(accelChanged(QAccelerometerReading*))); - } else { - QtSensorGestureSensorHandler::instance()->stopSensor(QtSensorGestureSensorHandler::Accel); - active = false; - } - } else { - - active = false; - } - - return active; -} - -bool QTwistSensorGestureRecognizer::stop() -{ - QtSensorGestureSensorHandler::instance()->stopSensor(QtSensorGestureSensorHandler::Accel); - QtSensorGestureSensorHandler::instance()->stopSensor(QtSensorGestureSensorHandler::Orientation); - disconnect(QtSensorGestureSensorHandler::instance(),SIGNAL(orientationReadingChanged(QOrientationReading*)), - this,SLOT(orientationReadingChanged(QOrientationReading*))); - - disconnect(QtSensorGestureSensorHandler::instance(),SIGNAL(accelReadingChanged(QAccelerometerReading*)), - this,SLOT(accelChanged(QAccelerometerReading*))); - - reset(); - orientationList.clear(); - active = false; - return active; -} - -bool QTwistSensorGestureRecognizer::isActive() -{ - return active; -} - -void QTwistSensorGestureRecognizer::orientationReadingChanged(QOrientationReading *reading) -{ - orientationReading = reading; - if (orientationList.count() == 3) - orientationList.removeFirst(); - - orientationList.append(reading->orientation()); - - if (orientationList.count() == 3 - && orientationList.at(2) == QOrientationReading::FaceUp - && (orientationList.at(1) == QOrientationReading::RightUp - || orientationList.at(1) == QOrientationReading::LeftUp)) { - checkTwist(); - } - - checkOrientation(); -} - -bool QTwistSensorGestureRecognizer::checkOrientation() -{ - if (orientationReading->orientation() == QOrientationReading::TopDown - || orientationReading->orientation() == QOrientationReading::FaceDown) { - reset(); - return false; - } - return true; -} - -void QTwistSensorGestureRecognizer::accelChanged(QAccelerometerReading *reading) -{ - if (orientationReading == 0) - return; - - const qreal x = reading->x(); - const qreal y = reading->y(); - const qreal z = reading->z(); - - if (!detecting && !checking&& dataList.count() > 21) - dataList.removeFirst(); - - qreal angle = qRadiansToDegrees(qAtan(x / qSqrt(y * y + z * z))); - - if (qAbs(angle) > 2) { - if (detecting) { - if ((angle > 0 && angle < lastAngle) - || (angle < 0 && angle > lastAngle)) { - decreaseCount++; - } else { - if (decreaseCount > 0) - decreaseCount--; - } - } - - if (!detecting && ((angle > 0 && angle > lastAngle) - || (angle < 0 && angle < lastAngle)) - && ((angle > 0 && lastAngle > 0) - || (angle < 0 && lastAngle < 0))) { - increaseCount++; - } else - if (!detecting && increaseCount > 3 && qAbs(angle) > 30) { - decreaseCount = 0; - detecting = true; - detectedAngle = qRadiansToDegrees(qAtan(y / qSqrt(x * x + z * z))); - } - } else { - increaseCount = 0; - increaseCount = 0; - } - - lastAngle = angle; - if (detecting && decreaseCount >= 4 && qAbs(angle) < 25) { - checkTwist(); - } - - twistAccelData data; - data.x = x; - data.y = y; - data.z = z; - - if (qAbs(x) > 1) - dataList.append(data); - - if (qAbs(z) > 15.0) { - reset(); - } - -} - -void QTwistSensorGestureRecognizer::checkTwist() -{ - checking = true; - int lastx = 0; - bool ok = false; - bool spinpoint = false; - - if (detectedAngle < 0) { - reset(); - return; - } - - //// check for orientation changes first - if (orientationList.count() < 2) - return; - - if (orientationList.count() > 2) - if (orientationList.at(0) == orientationList.at(2) - && (orientationList.at(1) == QOrientationReading::LeftUp - || orientationList.at(1) == QOrientationReading::RightUp)) { - ok = true; - if (orientationList.at(1) == QOrientationReading::RightUp) - detectedAngle = 1; - else - detectedAngle = -1; - } - - // now the manual increase/decrease count - if (!ok) { - if (increaseCount < 1 || decreaseCount < 3) - return; - - if (increaseCount > 6 && decreaseCount > 4) { - ok = true; - if (orientationList.at(1) == QOrientationReading::RightUp) - detectedAngle = 1; - else - detectedAngle = -1; - } - } - // now we're really grasping for anything - if (!ok) - for (int i = 0; i < dataList.count(); i++) { - twistAccelData curData = dataList.at(i); - if (!spinpoint && qAbs(curData.x) < 1) - continue; - if (curData.z >= 0 ) { - if (!spinpoint && (curData.x > lastx || curData.x < lastx) && curData.x - lastx > 1) { - ok = true; - } else if (spinpoint && (curData.x < lastx || curData.x > lastx)&& lastx - curData.x > 1) { - ok = true; - } else { - ok = false; - } - } else if (!spinpoint && curData.z < 0) { - spinpoint = true; - } else if (spinpoint && curData.z > 9) { - break; - } - - lastx = curData.x; - } - if (ok) { - if (detectedAngle > 0) { - Q_EMIT twistLeft(); - Q_EMIT detected("twistLeft"); - } else { - Q_EMIT twistRight(); - Q_EMIT detected("twistRight"); - } - } - reset(); -} - -void QTwistSensorGestureRecognizer::reset() -{ - detecting = false; - checking = false; - dataList.clear(); - increaseCount = 0; - decreaseCount = 0; - lastAngle = 0; -} - - - -QT_END_NAMESPACE |