author | Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com> |
Mon, 04 Oct 2010 01:37:06 +0300 | |
changeset 5 | 603d3f8b6302 |
parent 0 | 876b1a06bc25 |
permissions | -rw-r--r-- |
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/**************************************************************************** |
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** |
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** Copyright (C) 2010 Nokia Corporation and/or its subsidiary(-ies). |
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** All rights reserved. |
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** Contact: Nokia Corporation (qt-info@nokia.com) |
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** |
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** This file is part of the Qt Mobility Components. |
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** |
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** $QT_BEGIN_LICENSE:LGPL$ |
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** No Commercial Usage |
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** This file contains pre-release code and may not be distributed. |
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** You may use this file in accordance with the terms and conditions |
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** contained in the Technology Preview License Agreement accompanying |
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** this package. |
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** |
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** GNU Lesser General Public License Usage |
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** Alternatively, this file may be used under the terms of the GNU Lesser |
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** General Public License version 2.1 as published by the Free Software |
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** Foundation and appearing in the file LICENSE.LGPL included in the |
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** packaging of this file. Please review the following information to |
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** ensure the GNU Lesser General Public License version 2.1 requirements |
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** will be met: http://www.gnu.org/licenses/old-licenses/lgpl-2.1.html. |
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** |
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** In addition, as a special exception, Nokia gives you certain additional |
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** rights. These rights are described in the Nokia Qt LGPL Exception |
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** version 1.1, included in the file LGPL_EXCEPTION.txt in this package. |
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** |
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** If you have questions regarding the use of this file, please contact |
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** Nokia at qt-info@nokia.com. |
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** |
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** |
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** |
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** |
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** |
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** |
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** |
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** |
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** $QT_END_LICENSE$ |
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** |
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****************************************************************************/ |
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#include "qtapsensor.h" |
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#include "qtapsensor_p.h" |
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QTM_BEGIN_NAMESPACE |
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IMPLEMENT_READING(QTapReading) |
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/*! |
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\class QTapReading |
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\ingroup sensors_reading |
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\brief The QTapReading class represents one reading from the |
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tap sensor. |
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\section2 QTapReading Units |
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The tap sensor registers tap events in one of the six directions. |
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There are 3 axes that originate from the phone. They are arranged as follows. |
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\image sensors-coordinates2.jpg |
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By default it returns only double tap events. The QTapSensor::returnDoubleTapEvents property |
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must be set to false to return individual tap events. |
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*/ |
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/*! |
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\enum QTapReading::TapDirection |
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The tap direction is reported as one of the six directions (X, Y, Z, positive and negative). |
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There are 3 flags that you can use if you only care about the axis in use. |
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\value Undefined This value means that the direction is unknown. |
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\value X This flag is set if the tap was along the X axis. |
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\value Y This flag is set if the tap was along the Y axis. |
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\value Z This flag is set if the tap was along the Z axis. |
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\value X_Pos This value is returned if the tap was towards the positive X direction. |
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\value Y_Pos This value is returned if the tap was towards the positive Y direction. |
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\value Z_Pos This value is returned if the tap was towards the positive Z direction. |
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\value X_Neg This value is returned if the tap was towards the negative X direction. |
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\value Y_Neg This value is returned if the tap was towards the negative Y direction. |
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\value Z_Neg This value is returned if the tap was towards the negative Z direction. |
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*/ |
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/*! |
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\property QTapReading::tapDirection |
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\brief the direction of the tap. |
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\sa {QTapReading Units} |
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*/ |
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QTapReading::TapDirection QTapReading::tapDirection() const |
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{ |
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return static_cast<QTapReading::TapDirection>(d->tapDirection); |
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} |
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/*! |
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Sets the tap direction to \a tapDirection. |
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*/ |
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void QTapReading::setTapDirection(QTapReading::TapDirection tapDirection) |
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{ |
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d->tapDirection = tapDirection; |
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} |
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/*! |
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\property QTapReading::doubleTap |
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\brief a value indicating if there was a single or double tap. |
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\list |
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\o true - double tap |
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\o false - single tap |
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\endlist |
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\sa {QTapReading Units} |
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*/ |
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bool QTapReading::isDoubleTap() const |
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{ |
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return d->doubleTap; |
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} |
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/*! |
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Sets the double tap status of the reading to \a doubleTap. |
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*/ |
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void QTapReading::setDoubleTap(bool doubleTap) |
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{ |
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d->doubleTap = doubleTap; |
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} |
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// ===================================================================== |
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/*! |
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\class QTapFilter |
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\ingroup sensors_filter |
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\brief The QTapFilter class is a convenience wrapper around QSensorFilter. |
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The only difference is that the filter() method features a pointer to QTapReading |
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instead of QSensorReading. |
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*/ |
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/*! |
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\fn QTapFilter::filter(QTapReading *reading) |
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Called when \a reading changes. Returns false to prevent the reading from propagating. |
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\sa QSensorFilter::filter() |
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*/ |
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char const * const QTapSensor::type("QTapSensor"); |
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/*! |
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\class QTapSensor |
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\ingroup sensors_type |
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\brief The QTapSensor class is a convenience wrapper around QSensor. |
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The only behavioural difference is that this class sets the type properly. |
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This class also features a reading() function that returns a QTapReading instead of a QSensorReading. |
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For details about how the sensor works, see \l QTapReading. |
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\sa QTapReading |
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*/ |
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/*! |
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\fn QTapSensor::QTapSensor(QObject *parent) |
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Construct the sensor as a child of \a parent. |
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*/ |
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/*! |
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\fn QTapSensor::~QTapSensor() |
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Destroy the sensor. Stops the sensor if it has not already been stopped. |
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*/ |
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/*! |
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\fn QTapSensor::reading() const |
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Returns the reading class for this sensor. |
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\sa QSensor::reading() |
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*/ |
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/*! |
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\property QTapSensor::returnDoubleTapEvents |
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\brief a value indicating if double tap events should be reported. |
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Set to true (the default) to have the sensor report only on double tap events. |
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Set to false to have the sensor report only on individual tap events. |
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It is not possible to have the sensor report both single and double tap events. |
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If both are needed the app should create 2 sensor objects. |
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Note that you must access this property via QObject::property() and QObject::setProperty(). |
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The property must be set before calling start(). |
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*/ |
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#include "moc_qtapsensor.cpp" |
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QTM_END_NAMESPACE |
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