// $Revision: 1.3 $
//Copyright (c) 1994-1995 Taligent, Inc.  All rights reserved.

#ifndef TaligentSamples_KEYINPUTINTERACTOR
#define TaligentSamples_KEYINPUTINTERACTOR

#ifndef TaligentSamples_KEYINPUTVIEW
#include "KeyInputView.h"
#endif

#ifndef Taligent_KEYBOARDINPUT
#include <Taligent/KeyboardInput.h>
#endif

#ifndef Taligent_STANDARDTEXT
#include <Taligent/StandardText.h>
#endif

#ifndef Taligent_TYPINGCONFIGURATION
#include <Taligent/TypingConfiguration.h>
#endif

#ifndef Taligent_VIEWHANDLE
#include <Taligent/ViewHandle.h>
#endif

// Once the interactor is started, it will intercept key events until a it encounters
// a sequence that matches the string, at which point it will execute MatchedString and call
// SetDone(true).  MatchedString calls protocol on the TKeyInputView that started the
// interactor.

// A view handle is used so that we can be robust in cases where the view is deleted
// while the interactor is still active.

class TKeyInputInteractor : public TInteractor, public MKeyEventHandler {
public:
    VersionDeclarationsMacro(TKeyInputInteractor);
    
                                TKeyInputInteractor(TKeyInputView*, const TText&);
                                TKeyInputInteractor(const TKeyInputInteractor&);
    virtual                     ~TKeyInputInteractor();
    TKeyInputInteractor&        operator=(const TKeyInputInteractor&);
    
    virtual TStream&            operator>>=(TStream&) const;
    virtual TStream&            operator<<=(TStream&);

    virtual bool                KeyDown(TKeyDownEvent& event);
    
    virtual short               GetState() const;
    virtual void                SetState(short);

protected:
                                TKeyInputInteractor();

    virtual void                HandleDeactivate();

    virtual void                MatchedString();
    
private:
    TViewHandle                 fViewHandle;
    short                       fState;
    TStandardText               fString;
    TTypingConfigurationHandle  fTypingConfiguration;
    
    enum EVersion { kOriginalVersion };
};

#endif // TaligentSamples_KEYINPUTINTERACTOR