diff -r 000000000000 -r 1450b09d0cfd qstmgesturelib/qstmstatemachine.cpp
--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/qstmgesturelib/qstmstatemachine.cpp	Tue May 04 12:39:35 2010 +0300
@@ -0,0 +1,621 @@
+/*
+* 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 "qstmstatemachine.h"
+#include "qstmstateengine.h"
+#include "qstmuievent_if.h"
+#include "qstmcallbacktimer.h"
+#include "qstmstateengineconfig.h"
+
+#include "qstmfilelogger.h"
+#include "qstmutils.h"
+#include <QtGui>
+
+#ifdef Q_OS_SYMBIAN
+#include <w32std.h>
+#include <coecntrl.h>
+#endif
+
+#if defined(Q_WS_X11)
+#include <X11/Xlib.h>
+#endif
+
+using namespace qstmUiEventEngine ;
+
+//int pointBufferTimerCB(TAny* prt);
+
+extern const char* stateNames[8] ;
+
+const char* const ttypeNames[] = {  // for debugging purposes define the names of the pointer events
+            "EButton1Down         ",
+            "EButton1Up           ",
+            "EButton2Down         ",
+            "EButton2Up           ",
+            "EButton3Down         ",
+            "EButton3Up           ",
+            "EDrag                ",
+            "EMove                ",
+            "EButtonRepeat        ",
+            "ESwitchOn            ",
+            "EOutOfRange          ",
+            "EEnterCloseProximity ",
+            "EExitCloseProximity  ",
+            "EEnterHighPressure   ",
+            "EExitHighPressure    "
+            };
+
+QStm_StateMachine::QStm_StateMachine()
+{
+    m_WasMessageFiltered = false ;
+    m_wseventmonitoringenabled = false ; // NB: enabled only if really used by application
+    m_loggingenabled = false ;
+    m_capacitiveup = false ;
+    m_adjustYposition = false ;
+    //m_pointBuffer = NULL;
+    init();
+}
+
+QStm_StateMachine::~QStm_StateMachine()
+{
+    for (int i = 0; i < KMaxNumberOfPointers; i++)
+    {
+        delete m_holdTimer[i] ;
+        delete m_touchTimer[i] ;
+        delete m_suppressTimer[i] ;
+        delete m_impl[i] ;
+    }
+    delete m_config ;
+/*    
+    if (m_pointBufferTimer && m_pointBufferTimer->IsActive())
+    {
+        m_pointBufferTimer->Cancel();
+    }
+    delete m_pointBufferTimer;
+    m_pointBufferTimer = NULL;
+*/    
+}
+
+
+
+void QStm_StateMachine::init()
+{
+    m_config = new QStm_StateEngineConfiguration() ;
+
+    for (int i = 0; i < KMaxNumberOfPointers; i++)
+    {
+        m_impl[i] = new QStm_StateEngine(m_config, this, i) ;
+        
+        m_holdTimer[i] = new QStm_CallbackTimer(this, &qstmUiEventEngine::QStm_StateMachine::handleholdTimer, 0, i, true);
+        m_touchTimer[i] = new QStm_CallbackTimer(this, &qstmUiEventEngine::QStm_StateMachine::handletouchTimer, 0, i, true);
+        m_suppressTimer[i] = new QStm_CallbackTimer(this, &qstmUiEventEngine::QStm_StateMachine::handlesuppressTimer, 0, i, true);
+        /*
+        m_holdTimer[i] = new QStm_CallbackTimer(this, SLOT(handleholdTimer(int)), 0, i, true);
+        m_touchTimer[i] = new QStm_CallbackTimer(this, SLOT(handletouchTimer(int)), 0, i, true);
+        m_suppressTimer[i] = new QStm_CallbackTimer(this, SLOT(handlesuppressTimer(int)), 0, i, true);
+        */
+    }
+//    m_coeEnv = CCoeEnv::Static();
+
+    m_3mminpixels = QStm_Utils::mm2Pixels(3) ;
+}
+
+
+bool QStm_StateMachine::handleStateEvent(const QStm_PlatformPointerEvent& platPointerEvent)
+{
+    int index = pointerIndex(platPointerEvent);
+    QStm_StateEngine* engine = m_impl[index];
+    createHwEvent(engine->initEvent(), platPointerEvent, platPointerEvent.m_target, platPointerEvent.m_time) ;
+    if (m_loggingenabled)
+    {
+        LOGARG("handleStateEvent: ptr %d", index) ;
+    }
+    m_WasMessageFiltered = engine->handleStateEvent() ;
+    return m_WasMessageFiltered ;
+}
+
+
+bool QStm_StateMachine::wasLastMessageFiltered(int aPointerNumber)
+{
+    return m_impl[aPointerNumber]->wasLastMessageFiltered() ;
+}
+
+
+QRect QStm_StateMachine::getTouchArea(int pointerNumber)
+{
+    return m_impl[pointerNumber]->getTouchArea() ;
+}
+
+void QStm_StateMachine::setTouchTimeArea(long fingersize_mm)
+{
+    m_config->setTouchTimeArea(fingersize_mm) ;
+}
+
+void QStm_StateMachine::setTouchArea(long fingersize_mm)
+{
+    m_config->setTouchArea(fingersize_mm) ;
+}
+
+void QStm_StateMachine::setMoveTolerance(long fingersize_mm)
+{
+    m_config->setMoveTolerance(fingersize_mm);    
+}
+
+QPoint QStm_StateMachine::getMoveTolerance()
+{ 
+    return m_config->getMoveTolerance(); 
+}
+
+
+QStm_AreaShape QStm_StateMachine::getTouchAreaShape()
+{
+    return m_config->getTouchAreaShape() ;
+}
+
+
+void QStm_StateMachine::setTouchAreaShape(const QStm_AreaShape aShape)
+{
+    m_config->setTouchAreaShape(aShape) ;
+}
+
+
+unsigned int QStm_StateMachine::getTouchTimeout()
+{
+    return m_config->getTouchTimeout() ;
+}
+
+
+void QStm_StateMachine::setTouchTimeout(unsigned int aDelay)
+{
+    m_config->setTouchTimeout(aDelay) ;
+}
+
+
+QRect QStm_StateMachine::getHoldArea(int pointerNumber)
+{
+    return m_impl[pointerNumber]->getHoldArea() ;
+}
+
+
+void QStm_StateMachine::setHoldArea(long fingersize_mm)
+{
+    m_config->setHoldArea(fingersize_mm) ;
+}
+
+QStm_AreaShape QStm_StateMachine::getHoldAreaShape()
+{
+    return m_config->getHoldAreaShape() ;
+}
+
+void QStm_StateMachine::setHoldAreaShape(const QStm_AreaShape aShape)
+{
+    m_config->setHoldAreaShape(aShape) ;
+}
+
+unsigned int QStm_StateMachine::getHoldTimeout()
+{
+    return m_config->getHoldTimeout() ;
+}
+
+void QStm_StateMachine::setHoldTimeout(unsigned int a)
+{
+    m_config->setHoldTimeout(a) ;
+}
+
+unsigned int QStm_StateMachine::getTouchSuppressTimeout()
+{
+    return m_config->getTouchSuppressTimeout() ;
+}
+
+void QStm_StateMachine::setTouchSuppressTimeout(unsigned int a)
+{
+    m_config->setTouchSuppressTimeout(a) ;
+}
+
+unsigned int QStm_StateMachine::getMoveSuppressTimeout()
+{
+    return m_config->getMoveSuppressTimeout() ;
+}
+
+void QStm_StateMachine::setMoveSuppressTimeout(unsigned int a)
+{
+    m_config->setMoveSuppressTimeout(a) ;
+}
+
+bool QStm_StateMachine::addUiEventObserver(QStm_UiEventObserverIf* observer)
+{
+    return m_config->addUiEventObserver(observer) ;
+}
+
+
+bool QStm_StateMachine::removeUiEventObserver(QStm_UiEventObserverIf* observer)
+{
+    return m_config->removeUiEventObserver(observer) ;
+}
+
+void QStm_StateMachine::enableLogging(bool aEnable)
+{
+    m_loggingenabled = aEnable ;
+    m_config->enableLogging(aEnable) ;
+}
+
+int QStm_StateMachine::pointerIndex(const QStm_PlatformPointerEvent& platPointerEvent)
+{
+    int index = 0;
+/*    
+#if defined(ADVANCED_POINTER_EVENTS)
+    if (aPointerEvent.IsAdvancedPointerEvent())
+    {
+        const TAdvancedPointerEvent* tadvp = aPointerEvent.AdvancedPointerEvent() ;
+        index = tadvp->PointerNumber() ;
+    }
+#endif
+*/
+    index = platPointerEvent.m_pointerNumber;
+    return index;
+}
+
+void QStm_StateMachine::createHwEvent(QStm_HwEvent& event, const QStm_PlatformPointerEvent& platPointerEvent, void* target, const QTime& time)
+{
+/*  should be set by this moment by CStateEngine with that index in CStateEngine::initEvent()
+    aEvent.iPointerNumber = PointerIndex(aPointerEvent);
+*/
+    event.m_target = target ;
+    event.m_time = time;
+    // Change to screen coordinates here while the window is still existing....
+    event.m_position = screenCoordinates(platPointerEvent.m_position, target) ;
+    switch (platPointerEvent.m_type)
+    {
+    case QStm_PlatformPointerEvent::EButton1Down:
+    case QStm_PlatformPointerEvent::EButton2Down:
+    case QStm_PlatformPointerEvent::EButton3Down:
+    {
+        event.m_type = qstmUiEventEngine::EDown ;
+        break ;
+    }
+    case QStm_PlatformPointerEvent::EButton1Up:
+    case QStm_PlatformPointerEvent::EButton2Up:
+    case QStm_PlatformPointerEvent::EButton3Up:
+    {
+        if (m_capacitiveup)
+        {
+            event.m_type = qstmUiEventEngine::ECapacitiveUP ;   // How could this be checked automatically?
+        }
+        else
+        {
+            event.m_type = qstmUiEventEngine::EResistiveUP ;    // How could this be checked automatically?
+        }
+
+        break ;
+    }
+    case QStm_PlatformPointerEvent::EDrag:
+    {
+        event.m_type = qstmUiEventEngine::EDrag ;
+        break ;
+    }
+    }
+}
+
+
+void QStm_StateMachine::startholdTimer(int pointerNumber)
+{
+    if (!m_holdTimer[pointerNumber]->isActive())
+    {
+        m_holdTimer[pointerNumber]->start();
+    }
+}
+
+
+void QStm_StateMachine::handleholdTimer(int pointerNumber)
+{
+    QStm_StateEngine* engine = m_impl[pointerNumber];
+    createTimerEvent(engine->initEvent(), qstmUiEventEngine::EHoldTimer) ;
+    engine->handleStateEvent() ;
+}
+
+
+void QStm_StateMachine::cancelholdTimer(int pointerNumber)
+{
+    m_holdTimer[pointerNumber]->stop();
+}
+
+
+void QStm_StateMachine::startsuppressTimer(int pointerNumber)
+{
+    m_suppressTimer[pointerNumber]->start();
+}
+
+void QStm_StateMachine::handlesuppressTimer(int pointerNumber)
+{
+    QStm_StateEngine* engine = m_impl[pointerNumber];
+    createTimerEvent(engine->initEvent(), qstmUiEventEngine::ESuppressTimer) ;
+    engine->handleStateEvent() ;
+}
+
+
+void QStm_StateMachine::cancelsuppressTimer(int pointerNumber)
+{
+    m_suppressTimer[pointerNumber]->stop();
+}
+
+
+void QStm_StateMachine::starttouchTimer(int pointerNumber)
+{
+    if (!m_touchTimer[pointerNumber]->isActive())
+    {
+        m_touchTimer[pointerNumber]->start();
+    }
+}
+
+void QStm_StateMachine::handletouchTimer(int pointerNumber)
+{
+    QStm_StateEngine* engine = m_impl[pointerNumber];
+    createTimerEvent(engine->initEvent(), qstmUiEventEngine::ETouchTimer) ;
+    engine->handleStateEvent() ;
+}
+
+void QStm_StateMachine::canceltouchTimer(int pointerNumber)
+{
+    if (m_touchTimer[pointerNumber]->isActive())
+    {
+        m_touchTimer[pointerNumber]->stop();
+    }
+}
+
+void QStm_StateMachine::createTimerEvent(QStm_HwEvent& event, QStm_StateMachineEvent eventCode)
+{
+    event.m_type = eventCode ;
+    // m_hwe.iPosition = TPos(0, 0) ;       // should we just leave the previous pos
+    event.m_time = QTime::currentTime() ;
+}
+
+
+bool QStm_StateMachine::handleX11PlatformEvent(const XEvent* platEvent)
+{
+    bool isPointerEvent = false;
+#if defined(Q_WS_X11)
+    QStm_PlatformPointerEvent platPointerEvent;
+    switch (platEvent->type) {
+        case ButtonPress:
+        {
+            switch (platEvent->xbutton.button) {
+                case Button1:
+                {
+                    platPointerEvent.m_type = QStm_PlatformPointerEvent::EButton1Down;
+                    break;
+                }
+                case Button2:
+                {
+                    platPointerEvent.m_type = QStm_PlatformPointerEvent::EButton2Down;
+                    break;
+                }
+                case Button3:
+                {
+                    platPointerEvent.m_type = QStm_PlatformPointerEvent::EButton3Down;
+                    break;
+                }
+            }
+            isPointerEvent = true;
+            break;
+        }
+        case ButtonRelease:
+        {
+            switch (platEvent->xbutton.button) {
+                case Button1:
+                {
+                    platPointerEvent.m_type = QStm_PlatformPointerEvent::EButton1Up;
+                    break;
+                }
+                case Button2:
+                {
+                    platPointerEvent.m_type = QStm_PlatformPointerEvent::EButton2Up;
+                    break;
+                }
+                case Button3:
+                {
+                    platPointerEvent.m_type = QStm_PlatformPointerEvent::EButton3Up;
+                    break;
+                }
+            }
+            isPointerEvent = true;
+            break;
+        }
+        case MotionNotify:
+        {
+            platPointerEvent.m_type = QStm_PlatformPointerEvent::EMove;
+            isPointerEvent = true;
+            break;
+        }
+    }
+
+    if (isPointerEvent) {
+        QWidget* widget = QWidget::find((WId)platEvent->xany.window);
+
+        platPointerEvent.m_target = widget;
+        int mds = platEvent->xbutton.time;
+        int msec = mds % 1000;
+        int sec =  (mds / 1000) % 60;
+        int hr = mds / (1000 * 3600);
+        int min = (mds % (1000 * 3600)) / 60000;
+
+        platPointerEvent.m_time = QTime(hr, min, sec, msec);
+        platPointerEvent.m_pointerNumber = 0;
+        platPointerEvent.m_position = QPoint(platEvent->xbutton.x,
+                                             platEvent->xbutton.y);
+
+        handleStateEvent(platPointerEvent);
+    }
+#endif // Q_WS_X11
+    return isPointerEvent;
+}
+
+bool QStm_StateMachine::handleSymbianPlatformEvent(const QSymbianEvent* platEvent)
+{
+    bool ret = false;
+#ifdef Q_OS_SYMBIAN
+	const TWsEvent* wse = platEvent->windowServerEvent();
+
+	if (wse) {
+		CCoeControl* ctrl = REINTERPRET_CAST(CCoeControl*, wse->Handle());
+		
+		QStm_PlatformPointerEvent platPointerEvent;
+		
+		if (wse->Type() == EEventPointer) {
+		    QWidget* widget = QWidget::find(ctrl);
+		    ret = (widget != NULL);
+			TPointerEvent* tpe = wse->Pointer(); 
+			 // For Symbian it's one-to-one correspondence
+			platPointerEvent.m_type = static_cast<QStm_PlatformPointerEvent::PEType>(tpe->iType); 
+			platPointerEvent.m_modifiers = tpe->iModifiers;
+			platPointerEvent.m_position = QPoint(tpe->iPosition.iX, tpe->iPosition.iY); 
+			platPointerEvent.m_pointerNumber = 0;
+			
+#if defined(ADVANCED_POINTER_EVENTS)
+		    if (tpe->IsAdvancedPointerEvent()) {
+		        const TAdvancedPointerEvent* tadvp = tpe->AdvancedPointerEvent() ;
+		        platPointerEvent.m_pointerNumber = tadvp->PointerNumber() ;
+		    }
+#endif
+		    platPointerEvent.m_target = widget;
+		    int h = wse->Time().DateTime().Hour();
+		    int m = wse->Time().DateTime().Minute();
+		    int s = wse->Time().DateTime().Second();
+		    int ms = wse->Time().DateTime().MicroSecond() / 1000;
+		    QTime time(h, m, s, ms);
+		    
+		    platPointerEvent.m_time = time;
+		    handleStateEvent(platPointerEvent);
+		}
+	}
+#endif
+	return ret;
+}
+
+
+
+
+void QStm_StateMachine::startTouchTimer(int delay, int pointerNumber)
+{
+    m_touchTimer[pointerNumber]->setDelay(delay) ;
+    starttouchTimer(pointerNumber) ;
+}
+
+void QStm_StateMachine::cancelTouchTimer(int pointerNumber)
+{
+    canceltouchTimer(pointerNumber) ;
+}
+
+void QStm_StateMachine::startHoldTimer(int delay, int pointerNumber)
+{
+    m_holdTimer[pointerNumber]->setDelay(delay) ;
+    startholdTimer(pointerNumber) ;
+}
+
+void QStm_StateMachine::cancelHoldTimer(int pointerNumber)
+{
+    cancelholdTimer(pointerNumber) ;
+}
+
+void QStm_StateMachine::startSuppressTimer(int delay, int pointerNumber)
+{
+    m_suppressTimer[pointerNumber]->setDelay(delay) ;
+    startsuppressTimer(pointerNumber) ;
+}
+
+void QStm_StateMachine::cancelSuppressTimer(int pointerNumber)
+{
+    cancelsuppressTimer(pointerNumber) ;
+}
+
+
+QPoint QStm_StateMachine::screenCoordinates(const QPoint& pos, void* gestureTarget)
+{
+    QPoint newPos = pos ;
+    QWidget* widget = static_cast<QWidget*>(gestureTarget);
+    
+    if (!widget) {
+        widget = QApplication::activeModalWidget();
+    }
+    
+    if (!widget) {
+        widget = QApplication::activePopupWidget();
+    }
+    
+    if (widget) {    
+        if (widget->isWindow()) {
+            QPoint tp = widget->mapToGlobal(QPoint(0, 0)) ;
+        	newPos += tp ;
+            if (m_adjustYposition) {
+                QSize sz = widget->size() ;
+
+                // If we are running in capacitive touch device,
+                // adjust the point up about 3 mm unless we are
+                // near top or bottom of the window
+
+                // Y position in the window
+                int wY = newPos.y() - tp.y();
+                int edge = 2*m_3mminpixels;
+
+                if (wY >= 0 && wY <= (edge - 1)) {
+                    // close to the top we adjust suitably so that immediately at the top adjust is 0
+                    int adjust = wY / 2 ;
+                    newPos.setY(newPos.y() - adjust) ;
+                    if (m_loggingenabled) {
+                        LOGARG("adjustment: nY %d tY %d [3mm: %d  adj: %d]", newPos.y(), tp.y(), m_3mminpixels, adjust) ;
+                    }
+                }
+                else if (wY >= edge && wY <= (sz.height() - edge)) {
+                    int from = newPos.y() ;
+                    newPos.setY(newPos.y() - m_3mminpixels) ;
+                    if (m_loggingenabled) {
+                        LOGARG("adjustment: %d to %d [3mm: %d  middle]", from, newPos.y(), m_3mminpixels) ;
+                    }
+                }
+                else {
+                    // similarly at the bottom we adjust less the closer we get to the edge
+                    int adjust = (sz.height() - wY) / 2 ;
+                    newPos.setY(newPos.y() - adjust) ;
+                    if (m_loggingenabled) {
+                        LOGARG("adjustment: nY %d tY %d  sH %d [3mm: %d  adj: %d]",
+                                newPos.y(), tp.y(), sz.height(), m_3mminpixels, adjust) ;
+                    }
+
+                }
+            }
+        }
+        else  {
+            // if the target does not own a window how can we adjust to the screen?
+        }
+    }
+    return newPos ;
+}
+
+void QStm_StateMachine::enableCapacitiveUp(bool enable)
+{
+    m_capacitiveup = enable ;
+}
+
+void QStm_StateMachine::enableYadjustment(bool enable)
+{
+    m_adjustYposition = enable ;
+}
+
+int QStm_StateMachine::getNumberOfPointers()
+{
+    return KMaxNumberOfPointers ;
+}
+
+