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    41 

    42 #ifndef QCOEFEPINPUTCONTEXT_P_H

    43 #define QCOEFEPINPUTCONTEXT_P_H

    44 

    45 //

    46 //  W A R N I N G

    47 //  -------------

    48 //

    49 // This file is not part of the Qt API.  It exists purely as an

    50 // implementation detail.  This header file may change from version to

    51 // version without notice, or even be removed.

    52 //

    53 // We mean it.

    54 //

    55 

    56 #ifndef QT_NO_IM

    57 

    58 #include "qinputcontext.h"

    59 #include <qhash.h>

    60 #include <qtimer.h>

    61 #include <private/qcore_symbian_p.h>

    62 #include <private/qt_s60_p.h>

    63 

    64 #include <fepbase.h>

    65 #include <aknedsts.h>

    66 

    67 QT_BEGIN_NAMESPACE

    68 

    69 class QCoeFepInputContext : public QInputContext,

    70                             public MCoeFepAwareTextEditor,

    71                             public MCoeFepAwareTextEditor_Extension1,

    72                             public MObjectProvider

    73 {

    74     Q_OBJECT

    75 

    76 public:

    77     QCoeFepInputContext(QObject *parent = 0);

    78     ~QCoeFepInputContext();

    79 

    80     QString identifierName() { return QLatin1String("coefep"); }

    81     QString language();

    82 

    83     void reset();

    84     void update();

    85 

    86     bool filterEvent(const QEvent *event);

    87     void mouseHandler( int x, QMouseEvent *event);

    88     bool isComposing() const { return !m_preeditString.isEmpty(); }

    89 

    90     void setFocusWidget(QWidget * w);

    91     void widgetDestroyed(QWidget *w);

    92 

    93     TCoeInputCapabilities inputCapabilities();

    94 

    95 protected:

    96     void timerEvent(QTimerEvent *timerEvent);

    97 

    98 private:

    99     void commitCurrentString(bool cancelFepTransaction);

   100     void updateHints(bool mustUpdateInputCapabilities);

   101     void applyHints(Qt::InputMethodHints hints);

   102     void applyFormat(QList<QInputMethodEvent::Attribute> *attributes);

   103     void queueInputCapabilitiesChanged();

   104     bool needsInputPanel();

   105     void commitTemporaryPreeditString();

   106 

   107 private Q_SLOTS:

   108     void ensureInputCapabilitiesChanged();

   109 

   110     // From MCoeFepAwareTextEditor

   111 public:

   112     void StartFepInlineEditL(const TDesC& aInitialInlineText, TInt aPositionOfInsertionPointInInlineText,

   113             TBool aCursorVisibility, const MFormCustomDraw* aCustomDraw,

   114             MFepInlineTextFormatRetriever& aInlineTextFormatRetriever,

   115             MFepPointerEventHandlerDuringInlineEdit& aPointerEventHandlerDuringInlineEdit);

   116     void UpdateFepInlineTextL(const TDesC& aNewInlineText, TInt aPositionOfInsertionPointInInlineText);

   117     void SetInlineEditingCursorVisibilityL(TBool aCursorVisibility);

   118     void CancelFepInlineEdit();

   119     TInt DocumentLengthForFep() const;

   120     TInt DocumentMaximumLengthForFep() const;

   121     void SetCursorSelectionForFepL(const TCursorSelection& aCursorSelection);

   122     void GetCursorSelectionForFep(TCursorSelection& aCursorSelection) const;

   123     void GetEditorContentForFep(TDes& aEditorContent, TInt aDocumentPosition, TInt aLengthToRetrieve) const;

   124     void GetFormatForFep(TCharFormat& aFormat, TInt aDocumentPosition) const;

   125     void GetScreenCoordinatesForFepL(TPoint& aLeftSideOfBaseLine, TInt& aHeight, TInt& aAscent,

   126             TInt aDocumentPosition) const;

   127 private:

   128     void DoCommitFepInlineEditL();

   129     MCoeFepAwareTextEditor_Extension1* Extension1(TBool& aSetToTrue);

   130     void ReportAknEdStateEvent(MAknEdStateObserver::EAknEdwinStateEvent aEventType);

   131 

   132     // From MCoeFepAwareTextEditor_Extension1

   133 public:

   134     void SetStateTransferingOwnershipL(MCoeFepAwareTextEditor_Extension1::CState* aState, TUid aTypeSafetyUid);

   135     MCoeFepAwareTextEditor_Extension1::CState* State(TUid aTypeSafetyUid);

   136 

   137     // From MObjectProvider

   138 public:

   139     TTypeUid::Ptr MopSupplyObject(TTypeUid id);

   140     MObjectProvider *MopNext();

   141 

   142 private:

   143     QSymbianControl *m_parent;

   144     CAknEdwinState *m_fepState;

   145     QString m_preeditString;

   146     Qt::InputMethodHints m_lastImHints;

   147     TUint m_textCapabilities;

   148     bool m_inDestruction;

   149     bool m_pendingInputCapabilitiesChanged;

   150     int m_cursorVisibility;

   151     int m_inlinePosition;

   152     MFepInlineTextFormatRetriever *m_formatRetriever;

   153     MFepPointerEventHandlerDuringInlineEdit *m_pointerHandler;

   154     int m_cursorPos;

   155     QBasicTimer m_tempPreeditStringTimeout;

   156     bool m_hasTempPreeditString;

   157 };

   158 

   159 QT_END_NAMESPACE

   160 

   161 #endif // QT_NO_IM

   162 

   163 #endif // QCOEFEPINPUTCONTEXT_P_H