qstmgesturelib/qstmgenericsimplegesture.cpp
author Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
Tue, 04 May 2010 12:39:35 +0300
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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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* This component and the accompanying materials are made available
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* under the terms of "Eclipse Public License v1.0"
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* which accompanies this distribution, and is available
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* at the URL "http://www.eclipse.org/legal/epl-v10.html".
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*
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* Initial Contributors:
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* Nokia Corporation - initial contribution.
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*
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* Contributors:
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*
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* Description: 
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*
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*/
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#include "qstmgenericsimplegesture.h"
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#include "qstmfilelogger.h"
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#include "qstmutils.h"
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using namespace qstmGesture ;
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using qstmUiEventEngine::QStm_UiEventSpeedIf;
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QStm_GenericSimpleGesture::QStm_GenericSimpleGesture(
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    QStm_GestureUid uid, const QPoint& loc, int type, const QStm_UiEventSpeedIf* speedIf) :
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    m_location(loc), m_uid(uid), m_type(type), m_details(0), m_speed(speedIf), m_target(0)
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{
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}
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QPoint QStm_GenericSimpleGesture::getLocation()  const
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{
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    return m_location ;
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}
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int QStm_GenericSimpleGesture::getType()  const
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{
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    return m_type ;
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}
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void* QStm_GenericSimpleGesture::getDetails() const
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{
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    return m_details ;
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}
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void QStm_GenericSimpleGesture::setName(const QString& name)
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{
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    m_name = name ;
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}
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QString QStm_GenericSimpleGesture::getGestureName()
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{
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    return m_name ;
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}
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QStm_DirectionalGesture::QStm_DirectionalGesture(
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    QStm_GestureUid uid, const QPoint& loc, const QPoint& prevLoc,
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    const QStm_UiEventSpeedIf* speedIf, bool logging) :
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    QStm_GenericSimpleGesture(uid, loc, 0, speedIf), m_loggingEnabled(logging)
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{
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    setVector(loc, prevLoc);
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}
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void QStm_DirectionalGesture::setVector(const QPoint& last, const QPoint& previous)
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{
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    m_vector = QPoint(last.x()-previous.x(), previous.y()-last.y()) ;  // x > 0 => east, y > 0 => north
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    if (m_loggingEnabled) {
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        LOGARG("CHoveringGesture: x: %d , %d prev: %d, %d", last.x(), last.y(), previous.x(), previous.y()) ;
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    }
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}
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QStm_GestureDirection QStm_DirectionalGesture::getDirection() const
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{
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    QStm_GestureDirection dir = ENorth ;
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    int x = ABS(m_vector.x()) ;
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    int y = ABS(m_vector.x()) ;
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    if (y <= x/2) {
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        if (m_vector.x() < 0)
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            dir = EWest ;
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        else
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            dir = EEast ;
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    }
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    else if (y > x/2 && y <= (x+x/2)) {
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        if (m_vector.x() < 0)  {
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            if (m_vector.y() < 0 )
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                dir = ESouthWest ;
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            else
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                dir = ENorthWest ;
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        }
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        else {
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            if (m_vector.y() < 0 )
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                dir = ESouthEast ;
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            else
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                dir = ENorthEast ;
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        }
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    }
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    else if (y > x+x/2) {
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        if (m_vector.y() < 0)
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            dir = ESouth ;
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        else
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            dir = ENorth ;
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    }
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    if (m_loggingEnabled) {
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        LOGARG("CHoveringGesture: x: %d y: %d direction: %d", m_vector.x(), m_vector.y(), dir) ;
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    }
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    return dir ;
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}
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QStm_TwoPointGesture::QStm_TwoPointGesture(QStm_GestureUid uid, const QPoint& loc, const QPoint& prevLoc) :
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    QStm_DirectionalGesture(uid, loc, prevLoc, NULL),
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    m_location2(prevLoc)
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{
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}
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