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/* -*- C++ -*- */
// $Id$
// ============================================================================
//
// = LIBRARY
// EventComm
//
// = FILENAME
// Input_Handler.h
//
// = DESCRIPTION
// Handle input from the keyboard.
//
// = AUTHOR
// Douglas C. Schmidt (schmidt@cs.wustl.edu)
//
// ============================================================================
#if !defined (_INPUT_HANDLER_H)
#define _INPUT_HANDLER_H
#include "ace/Service_Config.h"
#if defined (ACE_HAS_ORBIX)
// Forward declaration.
class Notifier_Handler;
class Input_Handler : public ACE_Service_Object
// = TITLE
// Handles input events generated from a keyboard.
//
// = DESCRIPTION
// The events are currently framed and forwarded to
// all Consumers. In the future, we will need to
// be more selective and only send to those Consumers
// whose filtering criteria matches!
{
public:
Input_Handler (Notifier_Handler *, ACE_HANDLE = 0); // Use stdin by default.
virtual int handle_input (ACE_HANDLE);
// Frame input events and notify <Consumers>.
virtual int handle_close (ACE_HANDLE = ACE_INVALID_HANDLE,
ACE_Reactor_Mask = ACE_Event_Handler::NULL_MASK);
// Close down the handler.
protected:
virtual ACE_HANDLE get_handle (void) const;
ACE_HANDLE handle_;
// ACE_HANDLE where the input comes from.
Notifier_Handler *notifier_;
// Pointer to a <Notifier_Handler> that's used to inform
// Consumers that events of interest have occurred.
FILE *fp_;
// Pointer to an input ACE_FILE.
private:
~Input_Handler (void);
// Ensure dynamic allocation.
};
#endif /* ACE_HAS_ORBIX */
#endif /* _INPUT_HANDLER_H */
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