path: root/src/gui/kernel/qapplication_s60.cpp

/****************************************************************************
**
** Copyright (C) 2009 Nokia Corporation and/or its subsidiary(-ies).
** Contact: Nokia Corporation (qt-info@nokia.com)
**
** This file is part of the QtGui of the Qt Toolkit.
**
** $QT_BEGIN_LICENSE:LGPL$
** No Commercial Usage
** This file contains pre-release code and may not be distributed.
** You may use this file in accordance with the terms and conditions
** contained in the either Technology Preview License Agreement or the
** Beta Release License Agreement.
**
** GNU Lesser General Public License Usage
** Alternatively, this file may be used under the terms of the GNU Lesser
** General Public License version 2.1 as published by the Free Software
** Foundation and appearing in the file LICENSE.LGPL included in the
** packaging of this file.  Please review the following information to
** ensure the GNU Lesser General Public License version 2.1 requirements
** will be met: http://www.gnu.org/licenses/old-licenses/lgpl-2.1.html.
**
** In addition, as a special exception, Nokia gives you certain
** additional rights. These rights are described in the Nokia Qt LGPL
** Exception version 1.0, included in the file LGPL_EXCEPTION.txt in this
** package.
**
** GNU General Public License Usage
** Alternatively, this file may be used under the terms of the GNU
** General Public License version 3.0 as published by the Free Software
** Foundation and appearing in the file LICENSE.GPL included in the
** packaging of this file.  Please review the following information to
** ensure the GNU General Public License version 3.0 requirements will be
** met: http://www.gnu.org/copyleft/gpl.html.
**
** If you are unsure which license is appropriate for your use, please
** contact the sales department at http://qt.nokia.com/contact.
** $QT_END_LICENSE$
**
****************************************************************************/

#include "qapplication_p.h"
#include "qsessionmanager.h"
#include "qevent.h"
#include "qeventdispatcher_s60_p.h"
#include "qwidget.h"
#include "qdesktopwidget.h"
#include "private/qbackingstore_p.h"
#include "qt_s60_p.h"
#include "private/qevent_p.h"
#include "qstring.h"
#include "qdebug.h"
#include "qimage.h"
#include "private/qkeymapper_p.h"
#include "private/qfont_p.h"
#ifndef QT_NO_STYLE_S60
#include "private/qs60style_p.h"
#endif
#include "private/qwindowsurface_s60_p.h"
#include "qpaintengine.h"
#include "private/qmenubar_p.h"

#include "apgwgnam.h" // For CApaWindowGroupName
#include <MdaAudioTonePlayer.h>     // For CMdaAudioToneUtility

#if !defined(QT_NO_IM) && defined(Q_WS_S60)
#include "qinputcontext.h"
#include <private/qcoefepinputcontext_p.h>
#endif // !defined(QT_NO_IM) && defined(Q_WS_S60)

#include "private/qstylesheetstyle_p.h"

QT_BEGIN_NAMESPACE

#if defined(QT_DEBUG)
static bool        appNoGrab        = false;        // Grabbing enabled
#endif
static bool        app_do_modal        = false;        // modal mode
Q_GLOBAL_STATIC(QS60Data, qt_s60Data);

extern bool qt_sendSpontaneousEvent(QObject*,QEvent*);
extern QWidgetList *qt_modal_stack;              // stack of modal widgets
extern QDesktopWidget *qt_desktopWidget; // qapplication.cpp

QWidget *qt_button_down = 0;                     // widget got last button-down

QS60Data* qGlobalS60Data()
{
    return qt_s60Data();
}

bool qt_nograb()                                // application no-grab option
{
#if defined(QT_DEBUG)
    return appNoGrab;
#else
    return false;
#endif
}

// Modified from http://www3.symbian.com/faq.nsf/0/0F1464EE96E737E780256D5E00503DD1?OpenDocument
class QS60Beep : public CBase, public MMdaAudioToneObserver
{
public:
    static QS60Beep* NewL(TInt aFrequency,  TTimeIntervalMicroSeconds iDuration);
    void Play();
    ~QS60Beep();
private:
    void ConstructL(TInt aFrequency,  TTimeIntervalMicroSeconds iDuration);
    void MatoPrepareComplete(TInt aError);
    void MatoPlayComplete(TInt aError);
private:
    typedef enum
        {
        EBeepNotPrepared,
        EBeepPrepared,
        EBeepPlaying
        } TBeepState;
private:
    CMdaAudioToneUtility* iToneUtil;
    TBeepState iState;
    TInt iFrequency;
    TTimeIntervalMicroSeconds iDuration;
};

QS60Beep::~QS60Beep()
{
    delete iToneUtil;
}

QS60Beep* QS60Beep::NewL(TInt aFrequency, TTimeIntervalMicroSeconds aDuration)
{
    QS60Beep* self=new (ELeave) QS60Beep();
    CleanupStack::PushL(self);
    self->ConstructL(aFrequency, aDuration);
    CleanupStack::Pop();
    return self;
};

void QS60Beep::ConstructL(TInt aFrequency, TTimeIntervalMicroSeconds aDuration)
{
    iToneUtil=CMdaAudioToneUtility::NewL(*this);
    iState=EBeepNotPrepared;
    iFrequency=aFrequency;
    iDuration=aDuration;
    iToneUtil->PrepareToPlayTone(iFrequency,iDuration);
}

void QS60Beep::Play()
{
    if(iState!=EBeepNotPrepared){
        if(iState==EBeepPlaying) {
            iToneUtil->CancelPlay();
            iState=EBeepPrepared;
        }
    }

    iToneUtil->Play();
    iState=EBeepPlaying;
}

void QS60Beep::MatoPrepareComplete(TInt aError)
{
    if(aError==KErrNone) {
        iState=EBeepPrepared;
    }
}

void QS60Beep::MatoPlayComplete(TInt aError)
{
    Q_UNUSED(aError);
    iState=EBeepPrepared;
}


QHash<TInt, TUint> QApplicationPrivate::scanCodeCache;

static Qt::KeyboardModifiers mapToQtModifiers(TUint s60Modifiers)
{
    Qt::KeyboardModifiers result = Qt::NoModifier;

    if (s60Modifiers & EModifierKeypad)
        result |= Qt::KeypadModifier;
    if (s60Modifiers & EModifierShift || s60Modifiers & EModifierLeftShift
            || s60Modifiers & EModifierRightShift)
        result |= Qt::ShiftModifier;
    if (s60Modifiers & EModifierCtrl || s60Modifiers & EModifierLeftCtrl
            || s60Modifiers & EModifierRightCtrl)
        result |= Qt::ControlModifier;
    if (s60Modifiers & EModifierAlt || s60Modifiers & EModifierLeftAlt
            || s60Modifiers & EModifierRightAlt)
        result |= Qt::AltModifier;

    return result;
}

static void mapS60MouseEventTypeToQt(QEvent::Type *type, Qt::MouseButton *button, const TPointerEvent *pEvent)
{
    switch (pEvent->iType) {
    case TPointerEvent::EButton1Down:
        *type = QEvent::MouseButtonPress;
        *button = Qt::LeftButton;
        break;
    case TPointerEvent::EButton1Up:
        *type = QEvent::MouseButtonRelease;
        *button = Qt::LeftButton;
        break;
    case TPointerEvent::EButton2Down:
        *type = QEvent::MouseButtonPress;
        *button = Qt::MidButton;
        break;
    case TPointerEvent::EButton2Up:
        *type = QEvent::MouseButtonRelease;
        *button = Qt::MidButton;
        break;
    case TPointerEvent::EButton3Down:
        *type = QEvent::MouseButtonPress;
        *button = Qt::RightButton;
        break;
    case TPointerEvent::EButton3Up:
        *type = QEvent::MouseButtonRelease;
        *button = Qt::RightButton;
        break;
    case TPointerEvent::EDrag:
        *type = QEvent::MouseMove;
        *button = Qt::NoButton;
        break;
    case TPointerEvent::EMove:
        // Qt makes no distinction between move and drag
        *type = QEvent::MouseMove;
        *button = Qt::NoButton;
        break;
    default:
        *type = QEvent::None;
        *button = Qt::NoButton;
        break;
    }
    if (pEvent->iModifiers & EModifierDoubleClick){
        *type = QEvent::MouseButtonDblClick;
    }

    if (*type == QEvent::MouseButtonPress || *type == QEvent::MouseButtonDblClick)
        QApplicationPrivate::mouse_buttons = QApplicationPrivate::mouse_buttons | (*button);
    else if (*type == QEvent::MouseButtonRelease)
        QApplicationPrivate::mouse_buttons = QApplicationPrivate::mouse_buttons &(~(*button));

    QApplicationPrivate::mouse_buttons = QApplicationPrivate::mouse_buttons & Qt::MouseButtonMask;
}

//### Can be replaced with CAknLongTapDetector if animation is required.
//NOTE: if CAknLongTapDetector is used make sure it gets variated out of 3.1 and 3.2,.
//also MLongTapObserver needs to be changed to MAknLongTapDetectorCallBack if CAknLongTapDetector is used.
class QLongTapTimer : public CTimer
{
public:
    static QLongTapTimer* NewL(QAbstractLongTapObserver *observer);
    QLongTapTimer(QAbstractLongTapObserver *observer);
    void ConstructL();
public:
    void PointerEventL(const TPointerEvent &event);
    void RunL();
protected:
private:
    QAbstractLongTapObserver *m_observer;
    TPointerEvent m_event;
    QPoint m_pressedCoordinates;
    int m_dragDistance;
};

QLongTapTimer* QLongTapTimer::NewL(QAbstractLongTapObserver *observer)
{
    QLongTapTimer* self = new QLongTapTimer(observer);
    self->ConstructL();
    return self;
}
void QLongTapTimer::ConstructL()
{
    CTimer::ConstructL();
}

QLongTapTimer::QLongTapTimer(QAbstractLongTapObserver *observer):CTimer(CActive::EPriorityHigh)
{
    m_observer = observer;
    m_dragDistance = qApp->startDragDistance();
    CActiveScheduler::Add(this);
}

void QLongTapTimer::PointerEventL(const TPointerEvent& event)
{
    if ( event.iType == TPointerEvent::EDrag || event.iType == TPointerEvent::EButtonRepeat)
    {
        QPoint diff(QPoint(event.iPosition.iX,event.iPosition.iY) - m_pressedCoordinates);
        if (diff.manhattanLength() < m_dragDistance)
            return;
    }
    Cancel();
    m_event = event;
    if (event.iType == TPointerEvent::EButton1Down)
    {
        m_pressedCoordinates = QPoint(event.iPosition.iX,event.iPosition.iY);
        // must be same as KLongTapDelay in aknlongtapdetector.h
        After(800000);
    }
}
void QLongTapTimer::RunL()
{
    if (m_observer)
        m_observer->HandleLongTapEventL(m_event.iPosition, m_event.iParentPosition);
}

QSymbianControl::QSymbianControl(QWidget *w)
    : CCoeControl(), qwidget(w), m_ignoreFocusChanged(false)
{
}

void QSymbianControl::ConstructL(bool topLevel, bool desktop)
{
    if (!desktop)
    {
        if (topLevel)
            CreateWindowL(S60->windowGroup());

        SetFocusing(true);
        m_longTapDetector = QLongTapTimer::NewL(this);
    }
}

QSymbianControl::~QSymbianControl()
{
    S60->appUi()->RemoveFromStack(this);
    delete m_longTapDetector;
}

void QSymbianControl::setWidget(QWidget *w)
{
    qwidget = w;
}
void QSymbianControl::HandleLongTapEventL( const TPoint& aPenEventLocation, const TPoint& aPenEventScreenLocation )
{
    QWidget *alienWidget;
    QPoint widgetPos = QPoint(aPenEventLocation.iX, aPenEventLocation.iY);
    QPoint globalPos = QPoint(aPenEventScreenLocation.iX,aPenEventScreenLocation.iY);
    alienWidget = qwidget->childAt(widgetPos);
    if (!alienWidget)
        alienWidget = qwidget;
    QApplicationPrivate::mouse_buttons = QApplicationPrivate::mouse_buttons &(~Qt::LeftButton);
    QApplicationPrivate::mouse_buttons = QApplicationPrivate::mouse_buttons | Qt::RightButton;
    QMouseEvent mEvent(QEvent::MouseButtonPress, alienWidget->mapFrom(qwidget, widgetPos), globalPos,
        Qt::RightButton, QApplicationPrivate::mouse_buttons, Qt::NoModifier);
    
    bool res = sendMouseEvent(alienWidget, &mEvent);

#if !defined(QT_NO_CONTEXTMENU)
    QContextMenuEvent e2(QContextMenuEvent::Mouse, widgetPos, globalPos, mEvent.modifiers());
#endif     
    
    m_previousEventLongTap = true;
}

void QSymbianControl::HandlePointerEventL(const TPointerEvent& pEvent)
{
    m_longTapDetector->PointerEventL(pEvent);
    QT_TRYCATCH_LEAVING(HandlePointerEvent(pEvent));  
}

void QSymbianControl::HandlePointerEvent(const TPointerEvent& pEvent)
{
    //### refactor me, getting too complex
    QMouseEvent::Type type;
    Qt::MouseButton button;
    mapS60MouseEventTypeToQt(&type, &button, &pEvent);

    if (m_previousEventLongTap)
        if (type == QEvent::MouseButtonRelease){
            button = Qt::RightButton;
            QApplicationPrivate::mouse_buttons = QApplicationPrivate::mouse_buttons & ~Qt::RightButton;
            m_previousEventLongTap = false;
        }
    if (type == QMouseEvent::None)
        return;

    // store events for later sending/saving
    QWidget *alienWidget;
    typedef QPair<QWidget*,QMouseEvent> Event;
    QList<Event > events;

    QPoint widgetPos = QPoint(pEvent.iPosition.iX, pEvent.iPosition.iY);
    TPoint controlScreenPos = PositionRelativeToScreen();
    QPoint globalPos = QPoint(controlScreenPos.iX, controlScreenPos.iY) + widgetPos;

    if (type == QEvent::MouseButtonPress || type == QEvent::MouseButtonDblClick)
    {
        // get the button press target
        alienWidget = qwidget->childAt(widgetPos);
        if (!alienWidget)
            alienWidget = qwidget;
        S60->mousePressTarget = alienWidget;
        //pointer grab
        SetGloballyCapturing(ETrue);
        SetPointerCapture(ETrue);
    }
    else if (type == QEvent::MouseButtonRelease)
    {
        //release pointer grab
        SetGloballyCapturing(EFalse);
        SetPointerCapture(EFalse);
    }
    alienWidget = S60->mousePressTarget;

    if (alienWidget != S60->lastPointerEventTarget)
        if (type == QEvent::MouseButtonPress || type == QEvent::MouseButtonDblClick || type == QEvent::MouseMove)
        {
            //moved to another widget, create enter and leave events
            if (S60->lastPointerEventTarget)
            {
                QMouseEvent mEventLeave(QEvent::Leave, S60->lastPointerEventTarget->mapFromGlobal(S60->lastCursorPos), S60->lastCursorPos,
                    button, QApplicationPrivate::mouse_buttons, mapToQtModifiers(pEvent.iModifiers));
                events.append(Event(S60->lastPointerEventTarget,mEventLeave));
            }
            QMouseEvent mEventEnter(QEvent::Enter, alienWidget->mapFromGlobal(globalPos), globalPos,
                button, QApplicationPrivate::mouse_buttons, mapToQtModifiers(pEvent.iModifiers));

            events.append(Event(alienWidget,mEventEnter));
        }
    S60->lastCursorPos = globalPos;
    S60->lastPointerEventPos = widgetPos;
    S60->lastPointerEventTarget = alienWidget;
    if (alienWidget)
    {
        QMouseEvent mEvent(type, alienWidget->mapFromGlobal(globalPos), globalPos,
            button, QApplicationPrivate::mouse_buttons, mapToQtModifiers(pEvent.iModifiers));
        events.append(Event(alienWidget,mEvent));
        QEventDispatcherS60 *dispatcher;
        // It is theoretically possible for someone to install a different event dispatcher.
        if ((dispatcher = qobject_cast<QEventDispatcherS60 *>(alienWidget->d_func()->threadData->eventDispatcher)) != 0) {
            if (dispatcher->excludeUserInputEvents()) {
                for (int i=0;i < events.count();++i)
                {
                    Event next = events[i];
                    dispatcher->saveInputEvent(this, next.first, new QMouseEvent(next.second));
                }
                return;
            }
        }
    }
    for (int i=0;i < events.count();++i)
    {
        Event next = events[i];
        sendMouseEvent(next.first, &(next.second));
    }
}

bool QSymbianControl::sendMouseEvent(QWidget *widget, QMouseEvent *mEvent)
{
    return qt_sendSpontaneousEvent(widget, mEvent);
}

TKeyResponse QSymbianControl::OfferKeyEventL(const TKeyEvent& keyEvent, TEventCode type)
{
    TKeyResponse r = EKeyWasNotConsumed;
    QT_TRYCATCH_LEAVING(r = OfferKeyEvent(keyEvent, type));
    return r;
}

TKeyResponse QSymbianControl::OfferKeyEvent(const TKeyEvent& keyEvent, TEventCode type)
{
    switch (type) {
    //case EEventKeyDown: // <-- Intentionally left out. See below.
    case EEventKeyUp:
    case EEventKey:
    {
        // S60 has a confusing way of delivering key events. There are three types of
        // events: EKeyEvent, EKeyEventDown and EKeyEventUp. When a key is pressed, the
        // two first events are generated. When releasing the key, the last one is
        // generated.
        // Because S60 does not generate keysyms for EKeyEventDown and EKeyEventUp events,
        // we need to do some special tricks to map it to the Qt way. First, we completely
        // discard EKeyEventDown events, since they are redundant. Second, since
        // EKeyEventUp does not give us a keysym, we need to cache the keysyms from
        // the EKeyEvent events. This is what resolveS60ScanCode does.


        // ### hackish way to send Qt application to background when pressing right softkey
        /*
        if( keyEvent.iScanCode == EStdKeyDevice1 ) {
            S60->window_group->SetOrdinalPosition(-1);
            qApp->setActiveWindow(0);
            return EKeyWasNotConsumed;
        }
        */

        TUint s60Keysym = QApplicationPrivate::resolveS60ScanCode(keyEvent.iScanCode,
                keyEvent.iCode);
        int keyCode;
        if (s60Keysym >= 0x20 && s60Keysym < ENonCharacterKeyBase) {
            // Normal characters keys.
            keyCode = s60Keysym;
        } else {
            // Special S60 keys.
            keyCode = qt_keymapper_private()->mapS60KeyToQt(s60Keysym);
        }
        Qt::KeyboardModifiers mods = mapToQtModifiers(keyEvent.iModifiers);
        QKeyEventEx qKeyEvent(type == EEventKeyUp ? QEvent::KeyRelease : QEvent::KeyPress, keyCode,
                mods, qt_keymapper_private()->translateKeyEvent(keyCode, mods),
                false, 1, keyEvent.iScanCode, s60Keysym, mods);
//        WId wid = reinterpret_cast<RWindowGroup *>(keyEvent.Handle())->Child();
//        if (!wid)
//             Could happen if window isn't shown yet.
//            return EKeyWasNotConsumed;
        QWidget *widget;
        widget = QWidget::keyboardGrabber();
        if (!widget) {
            if (QApplicationPrivate::popupWidgets != 0) {
                widget = QApplication::activePopupWidget()->focusWidget();
                if (!widget) {
                    widget = QApplication::activePopupWidget();
                }
            } else {
                widget = QApplicationPrivate::focus_widget;
                if (!widget) {
                    widget = qwidget;
                }
            }
        }

        QEventDispatcherS60 *dispatcher;
        // It is theoretically possible for someone to install a different event dispatcher.
        if ((dispatcher = qobject_cast<QEventDispatcherS60 *>(widget->d_func()->threadData->eventDispatcher)) != 0) {
            if (dispatcher->excludeUserInputEvents()) {
                dispatcher->saveInputEvent(this, widget, new QKeyEventEx(qKeyEvent));
                return EKeyWasConsumed;
            }
        }
        return sendKeyEvent(widget, &qKeyEvent);
    }
    }
    return EKeyWasNotConsumed;
}

void QSymbianControl::sendInputEvent(QWidget *widget, QInputEvent *inputEvent)
{
    switch (inputEvent->type()) {
    case QEvent::KeyPress:
    case QEvent::KeyRelease:
        sendKeyEvent(widget, static_cast<QKeyEvent *>(inputEvent));
        break;
    case QEvent::MouseButtonDblClick:
    case QEvent::MouseButtonPress:
    case QEvent::MouseButtonRelease:
    case QEvent::MouseMove:
        sendMouseEvent(widget, static_cast<QMouseEvent *>(inputEvent));
        break;
    default:
        // Shouldn't get here.
        Q_ASSERT_X(0 == 1, "QSymbianControl::sendInputEvent()", "inputEvent->type() is unknown");
        break;
    }
}

TKeyResponse QSymbianControl::sendKeyEvent(QWidget *widget, QKeyEvent *keyEvent)
{
#if !defined(QT_NO_IM) && defined(Q_WS_S60)
    if (widget && widget->isEnabled() && widget->testAttribute(Qt::WA_InputMethodEnabled)) {
        QInputContext *qic = widget->inputContext();
        if(qic && qic->filterEvent(keyEvent))
            return EKeyWasConsumed;
    }
#endif // !defined(QT_NO_IM) && defined(Q_WS_S60)

    if (widget && qt_sendSpontaneousEvent(widget, keyEvent))
        if (keyEvent->isAccepted())
            return EKeyWasConsumed;

    return EKeyWasNotConsumed;
}

#if !defined(QT_NO_IM) && defined(Q_WS_S60)
TCoeInputCapabilities QSymbianControl::InputCapabilities() const
{
    QWidget *w = 0;

    if(qwidget->hasFocus()) {
        w = qwidget;
    } else {
        w = qwidget->focusWidget();
    }

    QCoeFepInputContext *ic;
    if (w && w->isEnabled() && w->testAttribute(Qt::WA_InputMethodEnabled)
            && (ic = qobject_cast<QCoeFepInputContext *>(w->inputContext()))) {
        return ic->inputCapabilities();
    } else {
        return TCoeInputCapabilities(TCoeInputCapabilities::ENone, 0, 0);
    }
}
#endif

void QSymbianControl::Draw(const TRect& r) const
{
    QWindowSurface *surface = qwidget->windowSurface();
    if (!surface)
        return;

    QPaintEngine *engine = surface->paintDevice()->paintEngine();
    if (!engine)
        return;
    if (engine->type() == QPaintEngine::Raster) {
        QS60WindowSurface *s60Surface = static_cast<QS60WindowSurface *>(qwidget->windowSurface());
        CFbsBitmap *bitmap = s60Surface->symbianBitmap();
        CWindowGc &gc = SystemGc();
        if (qwidget->d_func()->isOpaque)
            gc.SetDrawMode(CGraphicsContext::EDrawModeWriteAlpha);
        gc.BitBlt(r.iTl, bitmap, r);
    } else {
        surface->flush(qwidget, QRegion(qt_TRect2QRect(r)), QPoint());
    }
}

void QSymbianControl::SizeChanged()
{
    CCoeControl::SizeChanged();

    QSize oldSize = qwidget->size();
    QSize newSize(Size().iWidth, Size().iHeight);

    if (oldSize != newSize) {
        QRect cr = qwidget->geometry();
        cr.setSize(newSize);
        qwidget->data->crect = cr;
        if (qwidget->isVisible()) {
            QTLWExtra *tlwExtra = qwidget->d_func()->maybeTopData();
            bool slowResize = qgetenv("QT_SLOW_TOPLEVEL_RESIZE").toInt();
            if (!slowResize && tlwExtra)
                tlwExtra->inTopLevelResize = true;
            QResizeEvent e(newSize, oldSize);
            qt_sendSpontaneousEvent(qwidget, &e);
            if (!qwidget->testAttribute(Qt::WA_StaticContents))
                qwidget->d_func()->syncBackingStore();
            if (!slowResize && tlwExtra)
                tlwExtra->inTopLevelResize = false;
        }
    }
}

void QSymbianControl::PositionChanged()
{
    CCoeControl::PositionChanged();

    QPoint oldPos = qwidget->geometry().topLeft();
    QPoint newPos(Position().iX, Position().iY);

    if (oldPos != newPos) {
        QRect cr = qwidget->geometry();
        cr.moveTopLeft(newPos);
        qwidget->data->crect = cr;
        QTLWExtra *top = qwidget->d_func()->maybeTopData();
        if (top)
            top->normalGeometry = cr;
        if (qwidget->isVisible()) {
            QMoveEvent e(newPos, oldPos);
            qt_sendSpontaneousEvent(qwidget, &e);
        } else {
            QMoveEvent * e = new QMoveEvent(newPos, oldPos);
            QApplication::postEvent(qwidget, e);
        }
    }
}

void QSymbianControl::FocusChanged(TDrawNow /* aDrawNow */)
{
    if (m_ignoreFocusChanged)
        return;

    // Popups never get focused, but still receive the FocusChanged when they are hidden.
    if (QApplicationPrivate::popupWidgets != 0
            || (qwidget->windowType() & Qt::Popup) == Qt::Popup)
        return;

    QEvent *deferredFocusEvent = new QEvent(QEvent::SymbianDeferredFocusChanged);
    QApplication::postEvent(qwidget, deferredFocusEvent);
}

void QSymbianControl::HandleResourceChange(int resourceType)
{
    switch (resourceType) {
    case KInternalStatusPaneChange:
        qwidget->d_func()->setWindowIcon_sys(true);
        break;
    case KUidValueCoeFontChangeEvent:
        // font change event
        break;
#ifdef Q_WS_S60
    case KEikDynamicLayoutVariantSwitch:
    {
        if (qwidget->isFullScreen()) {
            SetExtentToWholeScreen();
        } else if (qwidget->isMaximized()) {
            TRect r = static_cast<CEikAppUi*>(S60->appUi())->ClientRect();
            SetExtent(r.iTl, r.Size());
        }
        break;
    }
#endif
    default:
        break;
    }

    CCoeControl::HandleResourceChange(resourceType);

}
void QSymbianControl::CancelLongTapTimer()
{
    m_longTapDetector->Cancel();
}

TTypeUid::Ptr QSymbianControl::MopSupplyObject(TTypeUid id)
{
    if (id.iUid == ETypeId)
        return id.MakePtr(this);

    return CCoeControl::MopSupplyObject(id);
}

void qt_init(QApplicationPrivate * /* priv */, int)
{
#ifdef QT_NO_DEBUG
    if (!qgetenv("QT_S60_AUTO_FLUSH_WSERV").isEmpty())
#endif
        S60->wsSession().SetAutoFlush(ETrue);

    S60->updateScreenSize();


    TDisplayMode mode = S60->screenDevice()->DisplayMode();
    S60->screenDepth = TDisplayModeUtils::NumDisplayModeBitsPerPixel(mode);

    RProcess me;
    TSecureId securId = me.SecureId();
    S60->uid = securId.operator TUid();

/*
 ### Commented out for now as parameter handling not needed in SOS(yet). Code below will break testlib with -o flag
    int argc = priv->argc;
    char **argv = priv->argv;

    // Get command line params
    int j = argc ? 1 : 0;
    for (int i=1; i<argc; i++) {
        if (argv[i] && *argv[i] != '-') {
            argv[j++] = argv[i];
            continue;
        }

#if defined(QT_DEBUG)
        if (qstrcmp(argv[i], "-nograb") == 0)
            appNoGrab = !appNoGrab;
        else
#endif // QT_DEBUG
            ;
    }
*/
}

/*****************************************************************************
  qt_cleanup() - cleans up when the application is finished
 *****************************************************************************/
void qt_cleanup()
{
    QFontCache::cleanup(); // Has to happen now, since QFontEngineS60 has FBS handles
// S60 structure and window server session are freed in eventdispatcher destructor as they are needed there

    // It's important that this happens here, before the event dispatcher gets
    // deleted, because the input context needs the event loop one last time before
    // it dies.
    delete QApplicationPrivate::inputContext;
    QApplicationPrivate::inputContext = 0;
}

void QApplicationPrivate::initializeWidgetPaletteHash()
{
    // TODO: Implement QApplicationPrivate::initializeWidgetPaletteHash()
    // Possibly a task fot the S60Style guys
}

void QApplicationPrivate::createEventDispatcher()
{
    Q_Q(QApplication);
    eventDispatcher = new QEventDispatcherS60(q);
}

QString QApplicationPrivate::appName() const
{
    return QCoreApplicationPrivate::appName();
}

bool QApplicationPrivate::modalState()
{
    return app_do_modal;
}

void QApplicationPrivate::enterModal_sys(QWidget *widget)
{
    if (!qt_modal_stack)
        qt_modal_stack = new QWidgetList;
    qt_modal_stack->insert(0, widget);
    app_do_modal = true;    
}

void QApplicationPrivate::leaveModal_sys(QWidget *widget)
{
    if (qt_modal_stack && qt_modal_stack->removeAll(widget)) {
        if (qt_modal_stack->isEmpty()) {
            delete qt_modal_stack;
            qt_modal_stack = 0;
        }
    }
    app_do_modal = qt_modal_stack != 0;
}

void QApplicationPrivate::openPopup(QWidget *popup)
{
    if (!QApplicationPrivate::popupWidgets)
        QApplicationPrivate::popupWidgets = new QWidgetList;
    QApplicationPrivate::popupWidgets->append(popup);

    if (QApplicationPrivate::popupWidgets->count() == 1 && !qt_nograb()) {
        Q_ASSERT(popup->testAttribute(Qt::WA_WState_Created));
        WId id = popup->effectiveWinId();
        id->SetPointerCapture(true);
        id->SetGloballyCapturing(true);
    }

    // popups are not focus-handled by the window system (the first
    // popup grabbed the keyboard), so we have to do that manually: A
    // new popup gets the focus
    if (QApplication::focusWidget())
        static_cast<QSymbianControl*>(QApplication::focusWidget()->effectiveWinId())->CancelLongTapTimer();
    QWidget *fw = popup->focusWidget();
    if (fw) {
        fw->setFocus(Qt::PopupFocusReason);
    } else if (QApplicationPrivate::popupWidgets->count() == 1) { // this was the first popup
        fw = QApplication::focusWidget();
        if (fw) {
            QFocusEvent e(QEvent::FocusOut, Qt::PopupFocusReason);
            q_func()->sendEvent(fw, &e);
        }
    }
}

void QApplicationPrivate::closePopup(QWidget *popup)
{
    if (!QApplicationPrivate::popupWidgets)
        return;
    QApplicationPrivate::popupWidgets->removeAll(popup);

    if (QApplicationPrivate::popupWidgets->isEmpty()) { // this was the last popup
        delete QApplicationPrivate::popupWidgets;
        QApplicationPrivate::popupWidgets = 0;
        if (!qt_nograb()) {                        // grabbing not disabled
            Q_ASSERT(popup->testAttribute(Qt::WA_WState_Created));
            WId id = popup->effectiveWinId();
            id->SetPointerCapture(false);
            id->SetGloballyCapturing(false);
            if (QWidgetPrivate::mouseGrabber != 0)
                QWidgetPrivate::mouseGrabber->grabMouse();

            if (QWidgetPrivate::keyboardGrabber != 0)
                QWidgetPrivate::keyboardGrabber->grabKeyboard();

        QWidget *fw = QApplicationPrivate::active_window ? QApplicationPrivate::active_window->focusWidget()
              : q_func()->focusWidget();
          if (fw) {
              if (fw != q_func()->focusWidget()) {
                  fw->setFocus(Qt::PopupFocusReason);
              } else {
                  QFocusEvent e(QEvent::FocusIn, Qt::PopupFocusReason);
                  q_func()->sendEvent(fw, &e);
              }
          }
        }
    } else {
        // popups are not focus-handled by the window system (the
        // first popup grabbed the keyboard), so we have to do that
        // manually: A popup was closed, so the previous popup gets
        // the focus.
        QWidget* aw = QApplicationPrivate::popupWidgets->last();
        if (QWidget *fw = QApplication::focusWidget()) {
            QFocusEvent e(QEvent::FocusOut, Qt::PopupFocusReason);
            q_func()->sendEvent(fw, &e);
        }
    }
}

QWidget * QApplication::topLevelAt(QPoint const& point)
{
    QWidget *found = 0;
    int lowestZ = INT_MAX;
    QWidgetList list = QApplication::topLevelWidgets();
    for (int i = 0; i < list.count(); ++i) {
        QWidget *widget = list.at(i);
        if (widget->isVisible() && !(widget->windowType() == Qt::Desktop)) {
            Q_ASSERT(widget->testAttribute(Qt::WA_WState_Created));
            if (widget->geometry().adjusted(0,0,1,1).contains(point)) {
                // At this point we know there is a Qt widget under the point.
                // Now we need to make sure it is the top most in the z-order.
                RDrawableWindow* rw = widget->d_func()->topData()->rwindow;
                int z = rw->OrdinalPosition();
                if (z < lowestZ) {
                    lowestZ = z;
                    found = widget;
                }
            }
            }
    }
    return found;
}

void QApplication::alert(QWidget * /* widget */, int /* duration */)
{
    // TODO: Implement QApplication::alert(QWidget *widget, int duration)
}

int QApplication::doubleClickInterval()
{
    TTimeIntervalMicroSeconds32 us;
    TInt distance;
    S60->wsSession().GetDoubleClickSettings(us, distance);
    return (us.Int() / 1000);
}

void QApplication::setDoubleClickInterval(int ms)
{
    TTimeIntervalMicroSeconds32 newUs( ms * 1000);
    TTimeIntervalMicroSeconds32 us;
    TInt distance;
    S60->wsSession().GetDoubleClickSettings(us, distance);
    if (us != newUs)
        S60->wsSession().SetDoubleClick(newUs, distance);
}

int QApplication::keyboardInputInterval()
{
    return QApplicationPrivate::keyboard_input_time;
}

void QApplication::setKeyboardInputInterval(int ms)
{
    QApplicationPrivate::keyboard_input_time = ms;
}

int QApplication::cursorFlashTime()
{
    return QApplicationPrivate::cursor_flash_time;
}

void QApplication::setCursorFlashTime(int msecs)
{
    QApplicationPrivate::cursor_flash_time = msecs;
}

void QApplication::beep()
{
    TInt frequency=440;
    TTimeIntervalMicroSeconds duration(500000);
    QS60Beep* beep=NULL;
    TRAPD(err, beep=QS60Beep::NewL(frequency, duration));
    if(!err) {
        beep->Play();
    }
    delete beep;
    beep=NULL;
}

int QApplication::s60ProcessEvent(TWsEvent *event)
{
    bool handled = s60EventFilter(event);
    if (handled)
        return 1;

    // Qt event handling. Handle some events regardless of if the handle is in our
    // widget map or not.
    CCoeControl* control = reinterpret_cast<CCoeControl*>(event->Handle());
    const bool controlInMap = QWidgetPrivate::mapper && QWidgetPrivate::mapper->contains(control);
    switch (event->Type()) {
#if !defined(QT_NO_IM) && defined(Q_WS_S60)
    case EEventKey:
    case EEventKeyUp:
    case EEventKeyDown:
    {
        // The control doesn't seem to be any of our widgets, so rely on the focused
        // widget instead. If the user needs the control, it can be found inside the
        // event structure.
        QWidget *w = qApp ? qApp->focusWidget() : 0;
        if (w) {
            QInputContext *ic = w->inputContext();
            if (ic && ic->s60FilterEvent(w, event)) {
                return 1;
            } else {
                return 0;
            }
        }
        break;
    }
#endif
    case EEventPointerEnter:
        if (controlInMap)
            return 1; // Qt::Enter will be generated in HandlePointerL
        break;
    case EEventPointerExit:
        if (controlInMap) {
            if (S60) {
                // mouseEvent outside our window, send leave event to last focused widget
                QMouseEvent mEvent(QEvent::Leave, S60->lastPointerEventPos, S60->lastCursorPos,
                    Qt::NoButton, QApplicationPrivate::mouse_buttons, Qt::NoModifier);
                if (S60->lastPointerEventTarget)
                    qt_sendSpontaneousEvent(S60->lastPointerEventTarget,&mEvent);
                S60->lastPointerEventTarget = 0;
            }
            return 1;
        }
        break;
    case EEventScreenDeviceChanged:
        if (S60)
            S60->updateScreenSize();
        if (qt_desktopWidget) {
            QSize oldSize = qt_desktopWidget->size();
            qt_desktopWidget->data->crect.setWidth(S60->screenWidthInPixels);
            qt_desktopWidget->data->crect.setHeight(S60->screenHeightInPixels);
            QResizeEvent e(qt_desktopWidget->size(), oldSize);
            QApplication::sendEvent(qt_desktopWidget, &e);
        }
        return 0; // Propagate to CONE
    case EEventWindowVisibilityChanged:
        if (controlInMap) {
            const TWsVisibilityChangedEvent *visChangedEvent = event->VisibilityChanged();
            QWidget *w = QWidgetPrivate::mapper->value(control);
            if (!w->d_func()->maybeTopData())
                break;
            if (visChangedEvent->iFlags & TWsVisibilityChangedEvent::ENotVisible) {
                delete w->d_func()->topData()->backingStore;
                w->d_func()->topData()->backingStore = 0;
            } else if ((visChangedEvent->iFlags & TWsVisibilityChangedEvent::EPartiallyVisible)
                       && !w->d_func()->maybeBackingStore()) {
                w->d_func()->topData()->backingStore = new QWidgetBackingStore(w);
                w->update();
            }
            return 1;
        }
        break;
    default:
        break;
    }

    if (!controlInMap)
        return -1;

    return 0;
}

bool QApplication::s60EventFilter(TWsEvent * /* aEvent */)
{
    return false;
}

/*!
    Handles commands which are typically handled by CAknAppUi::HandleCommandL()
    Qts Ui integration into Symbian is partially achieved by deriving from CAknAppUi.
    Currently, exit, menu and softkey commands are handled

    \sa s60EventFilter(), s60ProcessEvent()
*/
void QApplication::symbianHandleCommand(int command)
{
    switch (command) {
    case EEikCmdExit:
#ifdef Q_WS_S60
    case EAknSoftkeyExit:
#endif
        exit();
        break;
    default:
        if (command >= SOFTKEYSTART && command <= SOFTKEYEND) {
            int index= command-SOFTKEYSTART;
            QWidget *focused = QApplication::focusWidget();
            QWidget *softKeySource = focused ? focused : QApplication::activeWindow();
            const QList<QAction*>& softKeys = softKeySource->softKeys();
            Q_ASSERT(index < softKeys.count());
            softKeys.at(index)->activate(QAction::Trigger);
        }
#ifdef Q_WS_S60
        else
            QMenuBarPrivate::symbianCommands(command);
#endif
        break;
    }
}

void QApplication::symbianResourceChange(int type)
{
    switch (type) {
#ifdef Q_WS_S60
    case KEikDynamicLayoutVariantSwitch:
        {
        if (S60)
            S60->updateScreenSize();

#ifndef QT_NO_STYLE_S60
        QS60Style *s60Style = 0;

#ifndef QT_NO_STYLE_STYLESHEET
        QStyleSheetStyle *proxy = qobject_cast<QStyleSheetStyle*>(QApplication::style());
        if (proxy)
            s60Style = qobject_cast<QS60Style*>(proxy->baseStyle());
        else
#endif
            s60Style = qobject_cast<QS60Style*>(QApplication::style());

        if (s60Style)
            s60Style->d_func()->handleDynamicLayoutVariantSwitch();
#endif
        }
        break;

#ifndef QT_NO_STYLE_S60
    case KAknsMessageSkinChange:
        if (QS60Style *s60Style = qobject_cast<QS60Style*>(QApplication::style()))
            s60Style->d_func()->handleSkinChange();
        break;
#endif
#endif // Q_WS_S60
    default:
        break;
    }
}

#ifndef QT_NO_WHEELEVENT
int QApplication::wheelScrollLines()
{
    return QApplicationPrivate::wheel_scroll_lines;
}

void QApplication::setWheelScrollLines(int n)
{
    QApplicationPrivate::wheel_scroll_lines = n;
}
#endif //QT_NO_WHEELEVENT

bool QApplication::isEffectEnabled(Qt::UIEffect /* effect */)
{
    // TODO: Implement QApplication::isEffectEnabled(Qt::UIEffect effect)
    return false;
}

void QApplication::setEffectEnabled(Qt::UIEffect /* effect */, bool /* enable */)
{
    // TODO: Implement QApplication::setEffectEnabled(Qt::UIEffect effect, bool enable)
}

TUint QApplicationPrivate::resolveS60ScanCode(TInt scanCode, TUint keysym)
{
    if (keysym) {
        // If keysym is specified, cache it.
        scanCodeCache.insert(scanCode, keysym);
        return keysym;
    } else {
        // If not, retrieve the cached version.
        return scanCodeCache[scanCode];
    }
}


void QApplicationPrivate::initializeMultitouch_sys()
{ }
void QApplicationPrivate::cleanupMultitouch_sys()
{ }

#ifndef QT_NO_SESSIONMANAGER
QSessionManager::QSessionManager(QApplication * /* app */, QString & /* id */, QString& /* key */)
{

}

QSessionManager::~QSessionManager()
{

}

bool QSessionManager::allowsInteraction()
{
    return false;
}

void QSessionManager::cancel()
{

}
#endif //QT_NO_SESSIONMANAGER
QT_END_NAMESPACE