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#ifndef _SAL_I18N_INPUTCONTEXT_HXX
#define _SAL_I18N_INPUTCONTEXT_HXX

#include <i18npool/lang.h>
#include "i18n_cb.hxx"

class SalI18N_InputContext
{

private:

    Bool    mbUseable; // system supports current locale ?  
    Bool    mbMultiLingual; // system supports iiimp ?  
    XIC		maContext;

    XIMStyle mnSupportedStatusStyle;
    XIMStyle mnSupportedPreeditStyle;
    XIMStyle mnStatusStyle;
    XIMStyle mnPreeditStyle;

    preedit_data_t maClientData;
    XIMCallback maPreeditStartCallback;
    XIMCallback maPreeditDoneCallback;
    XIMCallback maPreeditDrawCallback;
    XIMCallback maPreeditCaretCallback;
    XIMCallback maCommitStringCallback;
    XIMCallback maSwitchIMCallback;
    XIMCallback maDestroyCallback;

    XVaNestedList mpAttributes;
    XVaNestedList mpStatusAttributes;
    XVaNestedList mpPreeditAttributes;
        
    Bool 		 SupportInputMethodStyle( XIMStyles *pIMStyles );
    unsigned int GetWeightingOfIMStyle(   XIMStyle n_style ) const ;
    Bool 		 IsSupportedIMStyle(      XIMStyle n_style ) const ;

public:

    Bool UseContext() 		{ return mbUseable; }
    Bool IsMultiLingual() 	{ return mbMultiLingual; }
    Bool IsPreeditMode()	{ return maClientData.eState == ePreeditStatusActive; }
    XIC  GetContext() 		{ return maContext; }

    void ExtendEventMask(  XLIB_Window aFocusWindow );
    void SetICFocus( SalFrame* pFocusFrame );
    void UnsetICFocus( SalFrame* pFrame );
    void HandleDestroyIM();

    int  HandleKeyEvent( XKeyEvent *pEvent, SalFrame *pFrame ); // unused
    void EndExtTextInput( sal_uInt16 nFlags );						// unused
    int  CommitStringCallback( sal_Unicode* pText, sal_Size nLength );
    int  CommitKeyEvent( sal_Unicode* pText, sal_Size nLength );
    int  UpdateSpotLocation();

    void Map( SalFrame *pFrame );
    void Unmap( SalFrame* pFrame );

    void SetPreeditState(Bool aPreeditState);
    void SetLanguage(LanguageType aInputLanguage);

    SalI18N_InputContext( SalFrame *aFrame );
    ~SalI18N_InputContext();

private:

    SalI18N_InputContext(); // do not use this

};

#endif // _SAL_I18N_INPUTCONTEXT_HXX


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