--- /dev/null Thu Jan 01 00:00:00 1970 +0000
+++ b/qstmgesturelib/recognisers/qstmleftrightgesturerecogniser.cpp Tue May 04 12:39:35 2010 +0300
@@ -0,0 +1,88 @@
+/*
+* 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 "qstmleftrightgesturerecogniser.h"
+#include "qstmgenericsimplegesture.h"
+#include "qstmuievent_if.h"
+#include "qstmutils.h"
+#include "qstmfilelogger.h"
+
+using namespace qstmGesture ;
+
+QStm_LeftrightGestureRecogniser::QStm_LeftrightGestureRecogniser(QStm_GestureListenerIf* listener) :
+ QStm_GestureRecogniser(listener)
+{
+}
+
+QStm_LeftrightGestureRecogniser::~QStm_LeftrightGestureRecogniser()
+{
+}
+
+QStm_GestureRecognitionState QStm_LeftrightGestureRecogniser::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 a tap or double tap
+ if (numOfActiveStreams == 1) {
+ // Then look at the event stream, it has to be tap and release
+ const qstmUiEventEngine::QStm_UiEventIf* puie = pge->getUiEvents(0);
+ int countOfEvents = puie->countOfEvents() ;
+ qstmUiEventEngine::QStm_UiEventCode eventCode = puie->code() ;
+ if (countOfEvents > 1) { // do we have more than one event in the stream?
+ // Then look at the events to see if they are suitable for us
+ // should we check that all of the events are targeted to our window?
+ // currently we only check if the last one is for us and is EMove, then check if |x| > |y|
+ if (puie->target() == m_powner &&
+ eventCode == qstmUiEventEngine::EMove) {// The last one is move in our window
+
+ if (m_loggingenabled) {
+ LOGARG("QStm_LeftrightGestureRecogniser: Leftright: num %d code %d", countOfEvents, eventCode);
+ }
+ // Is it leftright gesture in our window?
+ const QPoint& p = puie->currentXY();
+ QPoint dp = p - puie->previousXY();
+ if (ABS(dp.x()) > ABS(dp.y())) {
+ state = EGestureActive;
+ qstmGesture::QStm_GenericSimpleGesture pgest(KUid, p, dp.x(), puie) ;
+ pgest.setTarget(puie->target());
+ pgest.setName(QString("Leftlight")) ;
+ // Call the listener to inform that a Leftright has occurred...
+ m_listener->gestureEnter(pgest) ;
+ }
+ }
+ }
+ }
+ m_state = state;
+ return state;
+}
+
+void QStm_LeftrightGestureRecogniser::release(QStm_GestureEngineIf* pge)
+{
+ const qstmUiEventEngine::QStm_UiEventIf* puie = pge->getUiEvents(0);
+ using qstmUiEventEngine::QStm_UiEventSpeed;
+ const QPoint& p = puie->currentXY();
+ QPoint dp = p - puie->previousXY();
+ qstmGesture::QStm_GenericSimpleGesture pgest(KUid, p, dp.x(), puie) ;
+ pgest.setTarget(puie->target());
+ m_listener->gestureExit(pgest) ;
+ m_state = ENotMyGesture;
+}
+