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/****************************************************************************
**
** Copyright (C) 2011 Nokia Corporation and/or its subsidiary(-ies).
** All rights reserved.
** Contact: Nokia Corporation (qt-info@nokia.com)
**
** This file is part of the QtGui module 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 Technology Preview License Agreement accompanying
** this package.
**
** 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 1.1, included in the file LGPL_EXCEPTION.txt in this package.
**
** If you have questions regarding the use of this file, please contact
** Nokia at qt-info@nokia.com.
**
**
**
**
**
**
**
**
** $QT_END_LICENSE$
**
****************************************************************************/
#ifndef QCOEFEPINPUTCONTEXT_P_H
#define QCOEFEPINPUTCONTEXT_P_H
//
// W A R N I N G
// -------------
//
// This file is not part of the Qt API. It exists purely as an
// implementation detail. This header file may change from version to
// version without notice, or even be removed.
//
// We mean it.
//
#ifndef QT_NO_IM
#include "qinputcontext.h"
#include <qhash.h>
#include <qtimer.h>
#include <private/qcore_symbian_p.h>
#include <private/qt_s60_p.h>
#include <fepbase.h>
#include <aknedsts.h>
QT_BEGIN_NAMESPACE
class Q_AUTOTEST_EXPORT QCoeFepInputContext : public QInputContext,
public MCoeFepAwareTextEditor,
public MCoeFepAwareTextEditor_Extension1,
public MObjectProvider
{
Q_OBJECT
public:
QCoeFepInputContext(QObject *parent = 0);
~QCoeFepInputContext();
QString identifierName() { return QLatin1String("coefep"); }
QString language();
void reset();
void update();
bool filterEvent(const QEvent *event);
bool symbianFilterEvent(QWidget *keyWidget, const QSymbianEvent *event);
void mouseHandler( int x, QMouseEvent *event);
bool isComposing() const { return !m_preeditString.isEmpty(); }
void setFocusWidget(QWidget * w);
void widgetDestroyed(QWidget *w);
TCoeInputCapabilities inputCapabilities();
protected:
void timerEvent(QTimerEvent *timerEvent);
private:
void commitCurrentString(bool cancelFepTransaction);
void updateHints(bool mustUpdateInputCapabilities);
void applyHints(Qt::InputMethodHints hints);
void applyFormat(QList<QInputMethodEvent::Attribute> *attributes);
void queueInputCapabilitiesChanged();
bool needsInputPanel();
void commitTemporaryPreeditString();
private Q_SLOTS:
void ensureInputCapabilitiesChanged();
// From MCoeFepAwareTextEditor
public:
void StartFepInlineEditL(const TDesC& aInitialInlineText, TInt aPositionOfInsertionPointInInlineText,
TBool aCursorVisibility, const MFormCustomDraw* aCustomDraw,
MFepInlineTextFormatRetriever& aInlineTextFormatRetriever,
MFepPointerEventHandlerDuringInlineEdit& aPointerEventHandlerDuringInlineEdit);
void UpdateFepInlineTextL(const TDesC& aNewInlineText, TInt aPositionOfInsertionPointInInlineText);
void SetInlineEditingCursorVisibilityL(TBool aCursorVisibility);
void CancelFepInlineEdit();
TInt DocumentLengthForFep() const;
TInt DocumentMaximumLengthForFep() const;
void SetCursorSelectionForFepL(const TCursorSelection& aCursorSelection);
void GetCursorSelectionForFep(TCursorSelection& aCursorSelection) const;
void GetEditorContentForFep(TDes& aEditorContent, TInt aDocumentPosition, TInt aLengthToRetrieve) const;
void GetFormatForFep(TCharFormat& aFormat, TInt aDocumentPosition) const;
void GetScreenCoordinatesForFepL(TPoint& aLeftSideOfBaseLine, TInt& aHeight, TInt& aAscent,
TInt aDocumentPosition) const;
private:
void DoCommitFepInlineEditL();
MCoeFepAwareTextEditor_Extension1* Extension1(TBool& aSetToTrue);
void ReportAknEdStateEvent(MAknEdStateObserver::EAknEdwinStateEvent aEventType);
// From MCoeFepAwareTextEditor_Extension1
public:
void SetStateTransferingOwnershipL(MCoeFepAwareTextEditor_Extension1::CState* aState, TUid aTypeSafetyUid);
MCoeFepAwareTextEditor_Extension1::CState* State(TUid aTypeSafetyUid);
// From MObjectProvider
public:
TTypeUid::Ptr MopSupplyObject(TTypeUid id);
MObjectProvider *MopNext();
private:
QSymbianControl *m_parent;
CAknEdwinState *m_fepState;
QString m_preeditString;
Qt::InputMethodHints m_lastImHints;
TUint m_textCapabilities;
bool m_inDestruction;
bool m_pendingInputCapabilitiesChanged;
int m_cursorVisibility;
int m_inlinePosition;
MFepInlineTextFormatRetriever *m_formatRetriever;
MFepPointerEventHandlerDuringInlineEdit *m_pointerHandler;
QBasicTimer m_tempPreeditStringTimeout;
bool m_hasTempPreeditString;
friend class tst_QInputContext;
};
QT_END_NAMESPACE
#endif // QT_NO_IM
#endif // QCOEFEPINPUTCONTEXT_P_H
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