--- /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 ;
+}
+
+