1 /****************************************************************************

     2 **

     3 ** Copyright (C) 2008-2010 Nokia Corporation and/or its subsidiary(-ies).

     4 ** All rights reserved.

     5 ** Contact: Nokia Corporation (developer.feedback@nokia.com)

     6 **

     7 ** This file is part of the HbPlugins module of the UI Extensions for Mobile.

     8 **

     9 ** GNU Lesser General Public License Usage

    10 ** This file may be used under the terms of the GNU Lesser General Public

    11 ** License version 2.1 as published by the Free Software Foundation and

    12 ** appearing in the file LICENSE.LGPL included in the packaging of this file.

    13 ** Please review the following information to ensure the GNU Lesser General

    14 ** Public License version 2.1 requirements will be met:

    15 ** http://www.gnu.org/licenses/old-licenses/lgpl-2.1.html.

    16 **

    17 ** In addition, as a special exception, Nokia gives you certain additional

    18 ** rights.  These rights are described in the Nokia Qt LGPL Exception

    19 ** version 1.1, included in the file LGPL_EXCEPTION.txt in this package.

    20 **

    21 ** If you have questions regarding the use of this file, please contact

    22 ** Nokia at developer.feedback@nokia.com.

    23 **

    24 ****************************************************************************/

    25 #ifndef HB_INPUT_PREDICTION_HANDLER_PRIVATE

    26 #define HB_INPUT_PREDICTION_HANDLER_PRIVATE

    27 

    28 #include "hbinputmodehandler_p.h"

    29 

    30 class HbPredictionEngine;

    31 QT_BEGIN_NAMESPACE

    32 class QStringList;

    33 class QInputMethodEvent;

    34 QT_END_NAMESPACE

    35 

    36 class HbInputPredictionHandlerPrivate :public HbInputModeHandlerPrivate

    37 {

    38     Q_DECLARE_PUBLIC(HbInputPredictionHandler)

    39 public:

    40     HbInputPredictionHandlerPrivate();

    41     virtual ~HbInputPredictionHandlerPrivate();

    42 

    43     // data members

    44     void mouseHandler(int cursorPosition, QMouseEvent* mouseEvent);

    45     void init();

    46     bool filterEvent(const QKeyEvent * event);

    47     void keyHandlerUnicode(const QChar& character);

    48     void reset();

    49     void commit();

    50     void commit(const QString& string,bool addToUsedWordDict = false, bool isAsync = false);

    51     void commit(QInputMethodEvent & event,bool addToUsedWordDict = false);

    52     void candidatePopupClosed(int closingKey, const QString& activatedText);

    53     void commitAndAppendCharacter(QChar character);

    54     virtual void deleteOneCharacter();

    55     void commitExactWord();

    56     void handleEmptyCandidateList();

    57     void showExactWordPopupIfNeeded();

    58     QList<HbKeyPressProbability> probableKeypresses();

    59 public:

    60     HbPredictionEngine  *mEngine;

    61     QStringList         *mCandidates;

    62     int                 mBestGuessLocation;

    63     bool                mShowTail;

    64     bool                mTailShowing;

    65     bool                mAutoAddedSpace;

    66     bool                mCanContinuePrediction;

    67     bool                mShowTooltip;

    68     Qt::KeyboardModifiers mModifiers;

    69 

    70 public:

    71     bool selectWord(bool selectFromLeft = true);

    72     void updateEditor();

    73 };

    74 

    75 #endif //HB_INPUT_PREDICTION_HANDLER_PRIVATE