diff -r 000000000000 -r 1450b09d0cfd qstmgesturelib/recognisers/qstmreleasegesturerecogniser.cpp --- /dev/null Thu Jan 01 00:00:00 1970 +0000 +++ b/qstmgesturelib/recognisers/qstmreleasegesturerecogniser.cpp Tue May 04 12:39:35 2010 +0300 @@ -0,0 +1,107 @@ +/* +* Copyright (c) 2010 Nokia Corporation and/or its subsidiary(-ies). +* All rights reserved. +* This component and the accompanying materials are made available +* under the terms of "Eclipse Public License v1.0" +* which accompanies this distribution, and is available +* at the URL "http://www.eclipse.org/legal/epl-v10.html". +* +* Initial Contributors: +* Nokia Corporation - initial contribution. +* +* Contributors: +* +* Description: +* +*/ + +#include "qstmgenericsimplegesture.h" +#include "qstmreleasegesturerecogniser.h" +#include "qstmuievent_if.h" +#include "qstmfilelogger.h" + +using namespace qstmGesture ; + +QStm_ReleaseGestureRecogniser::QStm_ReleaseGestureRecogniser(QStm_GestureListenerIf* listener) : + QStm_GestureRecogniser(listener) +{ +} + +QStm_ReleaseGestureRecogniser::~QStm_ReleaseGestureRecogniser() +{ +} + +/*! + * Release gesture recogniser. Note that this one never owns the gesture, it just calls + * the callback if it detects ERelease inside the area being watched. + * There could be also check for the target window? + */ +QStm_GestureRecognitionState QStm_ReleaseGestureRecogniser::recognise(int numOfActiveStreams, + QStm_GestureEngineIf* pge) +{ + QStm_GestureRecognitionState state = m_state = ENotMyGesture; + // Check if we are enabled or not + if (!m_gestureEnabled) return state ; + + // Look at the events to see if it looks like edge scroll with one pointer + if (numOfActiveStreams == 1) { + // Then look at the event stream, it has to be EHold + const qstmUiEventEngine::QStm_UiEventIf* puie = pge->getUiEvents(0); + int countOfEvents = puie->countOfEvents(); + qstmUiEventEngine::QStm_UiEventCode eventCode = puie->code(); + + if (m_loggingenabled) { + LOGARG("QStm_ReleaseGestureRecogniser: %d num %d code %d", eventCode, countOfEvents, eventCode); + } + if (eventCode == qstmUiEventEngine::ERelease) { + if (m_loggingenabled) { + LOGARG("QStm_ReleaseGestureRecogniser: 0x%x ERelease: num %d code %d, %d", + this, countOfEvents, puie->currentXY().x(), puie->currentXY().y()); + LOGARG("QStm_ReleaseGestureRecogniser: area, %d,%d %d,%d", + m_area.x(), m_area.y(), m_area.x() + m_area.width(), m_area.y() + m_area.height()); + } + bool produceGesture ; + if(!m_area.isEmpty()) { + produceGesture = m_area.contains(puie->currentXY()) ; + if(produceGesture && m_loggingenabled) { + LOGARG("QStm_ReleaseGestureRecogniser: HIT area (%d,%d) in %d,%d %d,%d", + puie->currentXY().x(), puie->currentXY().y(), + m_area.x(), m_area.y(), m_area.x() + m_area.width(), m_area.y() + m_area.height()); + } + } + else { + produceGesture = (m_powner == puie->target()) ; // no area defined, touch detected in the window + } + if (produceGesture) { + //state = EGestureActive ; + // issue the release gesture using the GenericSimpleGesture + qstmGesture::QStm_GenericSimpleGesture pgest(KUid, puie->currentXY()); + // Give the gesture a name + pgest.setName(QString("Release")) ; + pgest.setTarget(puie->target()); + // Call the listener to inform that a release has occurred... + m_listener->gestureEnter(pgest); + } + } + } + m_state = state; + return state; +} + +void QStm_ReleaseGestureRecogniser::release(QStm_GestureEngineIf* /*ge*/) +{ + if (m_loggingenabled) { + LOGARG("QStm_ReleaseGestureRecogniser: 0x%x release", this); + } + m_state = ENotMyGesture; +} + +void QStm_ReleaseGestureRecogniser::setArea(const QRect& theArea) +{ + m_area = theArea ; + if (m_loggingenabled) { + LOGARG("QStm_ReleaseGestureRecogniser: area, %d,%d %d,%d", + m_area.x(), m_area.y(), m_area.x() + m_area.width(), m_area.y() + m_area.height()); + } +} +