202 lines
2.6 KiB
C++
202 lines
2.6 KiB
C++
/*++
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Copyright (c) 1991 Microsoft Corporation
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Module Name:
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keyboard.hxx
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Abstract:
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This module contains the declaration for the KEYBOARD class.
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The KEYBOARD class is a derived from BUFFER_STREAM that provides
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methods to access the keyboard as a stream of bytes with read-only
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access.
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It also provides some methods that set/reset the keyboard mode.
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Author:
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Jaime Sasson (jaimes) 21-Mar-1991
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Environment:
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ULIB, User Mode
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--*/
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#if !defined( _KEYBOARD_ )
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#define _KEYBOARD_
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#include "bufstrm.hxx"
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DECLARE_CLASS( KEYBOARD );
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class KEYBOARD : public BUFFER_STREAM {
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public:
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ULIB_EXPORT
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DECLARE_CONSTRUCTOR( KEYBOARD );
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ULIB_EXPORT
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DECLARE_CAST_MEMBER_FUNCTION( KEYBOARD );
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NONVIRTUAL
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~KEYBOARD (
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);
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NONVIRTUAL
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ULIB_EXPORT
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BOOLEAN
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Initialize(
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IN BOOLEAN LineMode DEFAULT TRUE,
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IN BOOLEAN EchoMode DEFAULT TRUE
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);
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STATIC
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ULIB_EXPORT
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BOOLEAN
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DisableBreakHandling (
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);
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NONVIRTUAL
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BOOLEAN
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DisableEchoMode(
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);
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NONVIRTUAL
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ULIB_EXPORT
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BOOLEAN
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DisableLineMode(
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);
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STATIC
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ULIB_EXPORT
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BOOLEAN
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EnableBreakHandling (
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);
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NONVIRTUAL
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BOOLEAN
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EnableEchoMode(
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);
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NONVIRTUAL
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ULIB_EXPORT
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BOOLEAN
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EnableLineMode(
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);
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VIRTUAL
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BOOLEAN
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EndOfFile(
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) CONST;
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VIRTUAL
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BOOLEAN
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FillBuffer(
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IN PBYTE Buffer,
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IN ULONG BufferSize,
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OUT PULONG BytesRead
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);
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NONVIRTUAL
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ULIB_EXPORT
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BOOLEAN
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Flush(
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);
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STATIC
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ULIB_EXPORT
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BOOLEAN
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GotABreak (
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);
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NONVIRTUAL
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BOOLEAN
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IsEchoModeEnabled(
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) CONST;
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NONVIRTUAL
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ULIB_EXPORT
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BOOLEAN
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IsKeyAvailable(
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OUT PBOOLEAN Available
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) CONST;
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NONVIRTUAL
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BOOLEAN
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IsLineModeEnabled(
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) CONST;
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VIRTUAL
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STREAMACCESS
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QueryAccess(
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) CONST;
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NONVIRTUAL
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ULONG
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QueryDelay (
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) CONST;
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VIRTUAL
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HANDLE
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QueryHandle(
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) CONST;
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NONVIRTUAL
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ULONG
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QuerySpeed (
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) CONST;
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NONVIRTUAL
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BOOLEAN
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SetDelay (
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IN ULONG Delay
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) CONST;
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NONVIRTUAL
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BOOLEAN
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SetSpeed (
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IN ULONG Speed
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) CONST;
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NONVIRTUAL
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ULIB_EXPORT
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CONST
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PBOOL
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GetPFlagBreak (
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VOID
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) CONST;
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private:
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HANDLE _KeyboardHandle;
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ULONG _PreviousMode;
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BOOLEAN _FlagCtrlZ;
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STATIC BOOL _FlagBreak;
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NONVIRTUAL
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BOOLEAN
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CheckForAsciiKey(
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IN PINPUT_RECORD InputRecord,
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IN ULONG NumberOfInputRecords
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) CONST;
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STATIC
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BOOL
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BreakHandler (
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IN ULONG CtrlType
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);
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};
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#endif // _KEYBOARD_
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