diff options
Diffstat (limited to 'src/plugins/sensorgestures/qtsensors/qshake2recognizer.cpp')
| -rw-r--r-- | src/plugins/sensorgestures/qtsensors/qshake2recognizer.cpp | 231 |
1 files changed, 0 insertions, 231 deletions
diff --git a/src/plugins/sensorgestures/qtsensors/qshake2recognizer.cpp b/src/plugins/sensorgestures/qtsensors/qshake2recognizer.cpp deleted file mode 100644 index 16313b41..00000000 --- a/src/plugins/sensorgestures/qtsensors/qshake2recognizer.cpp +++ /dev/null @@ -1,231 +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 <QDebug> - -#include "qshake2recognizer.h" -#include <math.h> - - -QT_BEGIN_NAMESPACE - -QShake2SensorGestureRecognizer::QShake2SensorGestureRecognizer(QObject *parent) - : QSensorGestureRecognizer(parent) - , active(0) - , shakeDirection(QShake2SensorGestureRecognizer::ShakeUndefined) - , shaking(0) - , shakeCount(0) - , lapsedTime(0) - , lastTimestamp(0), - timerActive(0) -{ - timerTimeout = 250; -} - -QShake2SensorGestureRecognizer::~QShake2SensorGestureRecognizer() -{ -} - -void QShake2SensorGestureRecognizer::create() -{ -} - -bool QShake2SensorGestureRecognizer::start() -{ - if (QtSensorGestureSensorHandler::instance()->startSensor(QtSensorGestureSensorHandler::Accel)) { - active = true; - connect(QtSensorGestureSensorHandler::instance(),SIGNAL(accelReadingChanged(QAccelerometerReading*)), - this,SLOT(accelChanged(QAccelerometerReading*))); - } else { - active = false; - } - prevData.x = 0; - prevData.y = 0; - prevData.z = 0; - shakeCount = 0; - shaking = false; - shakeDirection = QShake2SensorGestureRecognizer::ShakeUndefined; - - return active; -} - -bool QShake2SensorGestureRecognizer::stop() -{ - QtSensorGestureSensorHandler::instance()->stopSensor(QtSensorGestureSensorHandler::Accel); - disconnect(QtSensorGestureSensorHandler::instance(),SIGNAL(accelReadingChanged(QAccelerometerReading*)), - this,SLOT(accelChanged(QAccelerometerReading*))); - active = false; - return active; -} - -bool QShake2SensorGestureRecognizer::isActive() -{ - return active; -} - -QString QShake2SensorGestureRecognizer::id() const -{ - return QString("QtSensors.shake2"); -} - -#define NUMBER_SHAKES 3 -#define THRESHOLD 25 - -void QShake2SensorGestureRecognizer::accelChanged(QAccelerometerReading *reading) -{ - const qreal x = reading->x(); - const qreal y = reading->y(); - const qreal z = reading->z(); - - const quint64 timestamp = reading->timestamp(); - - currentData.x = x; - currentData.y = y; - currentData.z = z; - - if (qAbs(prevData.x - currentData.x) < 1 - && qAbs(prevData.y - currentData.y) < 1 - && qAbs(prevData.z - currentData.z) < 1) { - - prevData.x = currentData.x; - prevData.y = currentData.y; - prevData.z = currentData.z; - return; - } - - bool wasShake; - wasShake = checkForShake(prevData, currentData, THRESHOLD); - - if (!shaking && wasShake && - shakeCount == NUMBER_SHAKES) { - shaking = true; - shakeCount = 0; - lapsedTime = 0; - timerActive = false; - switch (shakeDirection) { - case QShake2SensorGestureRecognizer::ShakeLeft: - Q_EMIT shakeLeft(); - Q_EMIT detected("shakeLeft"); - break; - case QShake2SensorGestureRecognizer::ShakeRight: - Q_EMIT shakeRight(); - Q_EMIT detected("shakeRight"); - break; - case QShake2SensorGestureRecognizer::ShakeUp: - Q_EMIT shakeUp(); - Q_EMIT detected("shakeUp"); - break; - case QShake2SensorGestureRecognizer::ShakeDown: - Q_EMIT shakeDown(); - Q_EMIT detected("shakeDown"); - break; - default: - break; - }; - - } else if (wasShake) { - - if (shakeCount == 0 && shakeDirection == QShake2SensorGestureRecognizer::ShakeUndefined) { - - const int xdiff = prevData.x - currentData.x; - const int ydiff = prevData.x - currentData.y; - - const int max = qMax(qAbs(ydiff), qAbs(xdiff)); - if (max == qAbs(xdiff)) { - if (isNegative(xdiff)) - shakeDirection = QShake2SensorGestureRecognizer::ShakeLeft; - else - shakeDirection = QShake2SensorGestureRecognizer::ShakeRight; - - } else if (max == qAbs(ydiff)) { - if (isNegative(ydiff)) - shakeDirection = QShake2SensorGestureRecognizer::ShakeDown; - else - shakeDirection = QShake2SensorGestureRecognizer::ShakeUp; - } - } - shakeCount++; - if (shakeCount == NUMBER_SHAKES) { - timerActive = true; - } - } - - if (timerActive && lastTimestamp > 0) - lapsedTime += (timestamp - lastTimestamp )/1000; - - if (timerActive && lapsedTime >= timerTimeout) { - timeout(); - } - prevData.x = currentData.x; - prevData.y = currentData.y; - prevData.z = currentData.z; - lastTimestamp = timestamp; -} - -void QShake2SensorGestureRecognizer::timeout() -{ - shakeCount = 0; - shaking = false; - shakeDirection = QShake2SensorGestureRecognizer::ShakeUndefined; - timerActive = false; - lapsedTime = 0; - lastTimestamp = 0; -} - -bool QShake2SensorGestureRecognizer::checkForShake(ShakeData prevSensorData, ShakeData currentSensorData, qreal threshold) -{ - const double deltaX = qAbs(prevSensorData.x - currentSensorData.x); - const double deltaY = qAbs(prevSensorData.y - currentSensorData.y); - const double deltaZ = qAbs(prevSensorData.z - currentSensorData.z); - - return (deltaX > threshold - || deltaY > threshold - || deltaZ > threshold); -} - -bool QShake2SensorGestureRecognizer::isNegative(qreal num) -{ - if (num < 0) - return true; - return false; -} - - - -QT_END_NAMESPACE |