author | hgs |
Fri, 15 Oct 2010 17:30:59 -0400 | |
changeset 16 | 3c88a81ff781 |
parent 3 | 0954f5dd2cd0 |
permissions | -rw-r--r-- |
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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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* |
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* This program is free software: you can redistribute it and/or modify |
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* it under the terms of the GNU Lesser General Public License as published by |
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* the Free Software Foundation, version 2.1 of the License. |
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* |
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* This program is distributed in the hope that it will be useful, |
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* but WITHOUT ANY WARRANTY; without even the implied warranty of |
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the |
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* GNU Lesser General Public License for more details. |
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* |
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* You should have received a copy of the GNU Lesser General Public License |
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* along with this program. If not, |
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* see "http://www.gnu.org/licenses/old-licenses/lgpl-2.1.html/". |
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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 "qstmlongpressgesturerecogniser.h" |
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#include "qstmuievent_if.h" |
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#include "qstmfilelogger.h" |
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using namespace qstmGesture ; |
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QStm_LongPressGestureRecogniser::QStm_LongPressGestureRecogniser(QStm_GestureListenerIf* listener) : |
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QStm_GestureRecogniser(listener) |
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{ |
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} |
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QStm_LongPressGestureRecogniser::~QStm_LongPressGestureRecogniser() |
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{ |
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} |
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/*! |
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* recognise the long press; basically it is just the EHold UI event |
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*/ |
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QStm_GestureRecognitionState QStm_LongPressGestureRecogniser::recognise(int numOfActiveStreams, |
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QStm_GestureEngineIf* pge) |
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{ |
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QStm_GestureRecognitionState state = m_state = ENotMyGesture; |
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// Check if we are enabled or not |
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if (!m_gestureEnabled) return state ; |
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// Look at the events to see if it looks like long press with one pointer |
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if (numOfActiveStreams == 1) { |
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// Then look at the event stream, it has to be EHold |
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const qstmUiEventEngine::QStm_UiEventIf* puie = pge->getUiEvents(0); |
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int countOfEvents = puie->countOfEvents(); |
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qstmUiEventEngine::QStm_UiEventCode eventCode = puie->code(); |
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const qstmUiEventEngine::QStm_UiEventIf* puieprev = puie->previousEvent() ; |
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if (m_loggingenabled) { |
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LOGARG("QStm_LongPressGestureRecogniser: %d num %d code %d", eventCode, countOfEvents, eventCode); |
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} |
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bool dontIgnore = (puieprev == NULL) || (puieprev->code() != qstmUiEventEngine::EMove); |
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if (puie->target() == m_powner && eventCode == qstmUiEventEngine::EHold && dontIgnore) { |
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// The last one is EHold, look if it is near our borders |
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const QPoint& p = puie->currentXY() ; |
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if (m_loggingenabled) { |
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LOGARG("QStm_LongPressGestureRecogniser: (%d, %d) in (%d,%d)(%d,%d)", p.x(), p.y(), |
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m_area.x(), m_area.y(), m_area.x() + m_area.width(), m_area.y() + m_area.height()); |
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} |
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// check where the point is inside the area defined |
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if (m_area.contains(p)) { |
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state = EGestureActive ; |
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// issue the long press gesture |
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qstmGesture::QStm_GenericSimpleGesture pgest(KUid, p, puie->timestamp(), 0, puie) ; // TODO: speed is 0? |
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pgest.setTarget(puie->target()); |
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// Call the listener to inform that the gesture has occurred... |
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m_listener->gestureEnter(pgest) ; |
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} |
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} |
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} |
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m_state = state; |
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return state; |
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} |
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void QStm_LongPressGestureRecogniser::release(QStm_GestureEngineIf* /*ge*/) |
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{ |
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if (m_loggingenabled) { |
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LOGARG("QStm_LongPressGestureRecogniser: 0x%x release", this); |
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} |
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m_state = ENotMyGesture; |
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} |
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void QStm_LongPressGestureRecogniser::setArea(const QRect& theArea) |
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{ |
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m_area = theArea ; |
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} |