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/****************************************************************************
**
** Copyright (C) 2012 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.
**
** $QT_BEGIN_LICENSE:LGPL$
** GNU Lesser General Public License Usage
** 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.
**
** 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.
**
** Other Usage
** Alternatively, this file may be used in accordance with the terms and
** conditions contained in a signed written agreement between you and Nokia.
**
**
**
**
**
** $QT_END_LICENSE$
**
****************************************************************************/
#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>
#include <eikccpu.h>
QT_BEGIN_NAMESPACE
class QCoeFepInputMaskHandler
{
public:
QCoeFepInputMaskHandler(const QString &mask);
~QCoeFepInputMaskHandler();
bool canPasteClipboard(const QString &text);
private:
bool isValidInput(QChar key, QChar mask) const;
private:
struct MaskInputData {
enum Casemode { NoCaseMode, Upper, Lower };
QChar maskChar;
bool separator;
Casemode caseMode;
};
int m_maxLength;
QChar m_blank;
MaskInputData *m_maskData;
};
class Q_AUTOTEST_EXPORT QCoeFepInputContext : public QInputContext,
public MCoeFepAwareTextEditor,
public MCoeFepAwareTextEditor_Extension1,
public MObjectProvider,
public MEikCcpuEditor
{
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();
void resetSplitViewWidget(bool keepInputWidget = false);
void ensureFocusWidgetVisible(QWidget *widget);
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();
bool isWidgetVisible(QWidget *widget, int offset = 0);
bool isPartialKeyboardSupported();
private Q_SLOTS:
void ensureInputCapabilitiesChanged();
void translateInputWidget();
void ensureWidgetVisibility();
// 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);
void enableSymbianCcpuSupport();
void changeCBA(bool showCopyAndOrPaste);
void copyOrCutTextToClipboard(const char *operation);
void getScreenCoordinatesForFepX(TPoint& aLeftSideOfBaseLine, TInt& aHeight, TInt& aAscent,
TInt aDocumentPosition) const;
//From MEikCcpuEditor interface
public:
TBool CcpuIsFocused() const;
TBool CcpuCanCut() const;
void CcpuCutL();
TBool CcpuCanCopy() const;
void CcpuCopyL();
TBool CcpuCanPaste() const;
void CcpuPasteL();
TBool CcpuCanUndo() const;
void CcpuUndoL();
private slots:
void copy();
void paste();
// 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;
bool m_pendingTransactionCancel;
int m_cursorVisibility;
int m_inlinePosition;
MFepInlineTextFormatRetriever *m_formatRetriever;
MFepPointerEventHandlerDuringInlineEdit *m_pointerHandler;
QBasicTimer m_tempPreeditStringTimeout;
bool m_hasTempPreeditString;
QString m_cachedPreeditString;
int m_cachedCursorAndAnchorPosition;
int m_splitViewResizeBy;
Qt::WindowStates m_splitViewPreviousWindowStates;
QRectF m_transformation;
QGraphicsItem *m_splitViewPreviousFocusItem; //can't use QPointer<> since QGraphicsItem is not a QObject.
CAknCcpuSupport *m_ccpu;
QAction *m_copyAction;
QAction *m_pasteAction;
QPointer<QWidget> m_lastFocusedEditor;
QPointer<QObject> m_lastFocusedObject;
friend class tst_QInputContext;
};
Q_GUI_EXPORT void qt_s60_setPartialScreenInputMode(bool enable);
Q_GUI_EXPORT void qt_s60_setPartialScreenAutomaticTranslation(bool enable);
Q_GUI_EXPORT void qt_s60_setEditorFlags(int flags);
QT_END_NAMESPACE
#endif // QT_NO_IM
#endif // QCOEFEPINPUTCONTEXT_P_H
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