summaryrefslogtreecommitdiff
path: root/src/plugins/sensorgestures/shake/qshakerecognizer.cpp
diff options
context:
space:
mode:
Diffstat (limited to 'src/plugins/sensorgestures/shake/qshakerecognizer.cpp')
-rw-r--r--src/plugins/sensorgestures/shake/qshakerecognizer.cpp124
1 files changed, 0 insertions, 124 deletions
diff --git a/src/plugins/sensorgestures/shake/qshakerecognizer.cpp b/src/plugins/sensorgestures/shake/qshakerecognizer.cpp
deleted file mode 100644
index d2739c8..0000000
--- a/src/plugins/sensorgestures/shake/qshakerecognizer.cpp
+++ /dev/null
@@ -1,124 +0,0 @@
-// Copyright (C) 2016 The Qt Company Ltd.
-// SPDX-License-Identifier: LicenseRef-Qt-Commercial OR LGPL-3.0-only OR GPL-2.0-only OR GPL-3.0-only
-
-#include <QDebug>
-#include <QTimer>
-
-#include "qshakerecognizer.h"
-
-QShakeSensorGestureRecognizer::QShakeSensorGestureRecognizer(QObject *parent)
- : QSensorGestureRecognizer(parent)
- , timerTimeout(450)
- , active(0)
- , shaking(0)
- , shakeCount(0)
-{
-}
-
-QShakeSensorGestureRecognizer::~QShakeSensorGestureRecognizer()
-{
-}
-
-void QShakeSensorGestureRecognizer::create()
-{
- accel = new QAccelerometer(this);
- accel->connectToBackend();
- accel->setDataRate(50);
-
- qoutputrangelist outputranges = accel->outputRanges();
-
- if (outputranges.count() > 0)
- accelRange = (int)(outputranges.at(0).maximum *2) / 9.8; //approx range in g's
- else
- accelRange = 4; //this should never happen
-
- connect(accel,SIGNAL(readingChanged()),this,SLOT(accelChanged()));
- timer = new QTimer(this);
- connect(timer,SIGNAL(timeout()),this,SLOT(timeout()));
- timer->setSingleShot(true);
- timer->setInterval(timerTimeout);
-}
-
-bool QShakeSensorGestureRecognizer::start()
-{
- active = accel->start();
- return active;
-}
-
-bool QShakeSensorGestureRecognizer::stop()
-{
- accel->stop();
- active = accel->isActive();
- return !active;
-}
-
-bool QShakeSensorGestureRecognizer::isActive()
-{
- return active;
-}
-
-QString QShakeSensorGestureRecognizer::id() const
-{
- return QString("QtSensors.shake");
-}
-
-#define NUMBER_SHAKES 3
-#define THRESHOLD 25
-
-void QShakeSensorGestureRecognizer::accelChanged()
-{
- qreal x = accel->reading()->x();
- qreal y = accel->reading()->y();
- qreal z = accel->reading()->z();
-
- 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 = checkForShake(prevData, currentData, THRESHOLD);
- if (!shaking && wasShake &&
- shakeCount >= NUMBER_SHAKES) {
- shaking = true;
- shakeCount = 0;
- Q_EMIT shake();
- Q_EMIT detected("shake");
-
- } else if (wasShake) {
-
- shakeCount++;
- if (shakeCount > NUMBER_SHAKES) {
- timer->start();
- }
- }
-
- prevData.x = currentData.x;
- prevData.y = currentData.y;
- prevData.z = currentData.z;
-}
-
-void QShakeSensorGestureRecognizer::timeout()
-{
- shakeCount = 0;
- shaking = false;
-}
-
-bool QShakeSensorGestureRecognizer::checkForShake(AccelData prevSensorData, AccelData currentSensorData, qreal threshold)
-{
- double deltaX = qAbs(prevSensorData.x - currentSensorData.x);
- double deltaY = qAbs(prevSensorData.y - currentSensorData.y);
- double deltaZ = qAbs(prevSensorData.z - currentSensorData.z);
-
- return (deltaX > threshold
- || deltaY > threshold
- || deltaZ > threshold);
-}
-