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- /*-------------------------------------------------------*/
- /* */
- /* Turbo Vision 1.0 */
- /* Turbo Vision Forms Demo */
- /* Copyright (c) 1991 by Borland International */
- /* */
- /* Fields.h: Header file for Fields.cpp */
- /* (Support header file for TVFORMS Demo) */
- /*-------------------------------------------------------*/
-
- #if !defined( __FIELDS_H )
- #define __FIELDS_H
-
- #define Uses_TInputLine
- #define Uses_TStreamable
- #include <tv.h>
-
- // Same as TInputLine, except invalid if empty
-
- class TKeyInputLine : public TInputLine
- {
-
- public:
-
- TKeyInputLine( const TRect&, int );
- virtual Boolean valid( ushort );
-
- protected:
-
- TKeyInputLine( StreamableInit ) : TInputLine( streamableInit ) {};
-
- private:
-
- virtual const char *streamableName() const
- { return name; }
-
- public:
-
- static const char * const name;
- static TStreamable *build();
-
- };
-
-
- inline ipstream& operator >> ( ipstream& is, TKeyInputLine& cl )
- { return is >> (TStreamable&)cl; }
- inline ipstream& operator >> ( ipstream& is, TKeyInputLine*& cl )
- { return is >> (void *&)cl; }
- inline opstream& operator << ( opstream& os, TKeyInputLine& cl )
- { return os << (TStreamable&)cl; }
- inline opstream& operator << ( opstream& os, TKeyInputLine* cl )
- { return os << (TStreamable *)cl; }
-
-
- // Accepts only valid numeric input between Min and Max
-
- class TNumInputLine : public TInputLine
- {
-
- public:
-
- TNumInputLine( const TRect&, int, long, long );
- virtual ushort dataSize();
- virtual void getData( void *);
- virtual void setData( void *);
- virtual Boolean valid( ushort );
- long min;
- long max;
-
- protected:
-
- TNumInputLine( StreamableInit ) : TInputLine( streamableInit ) {};
- virtual void write( opstream& );
- virtual void *read( ipstream& );
-
- private:
-
- virtual const char *streamableName() const
- { return name; }
-
- public:
-
- static const char * const name;
- static TStreamable *build();
-
- };
-
- inline ipstream& operator >> ( ipstream& is, TNumInputLine& cl )
- { return is >> (TStreamable&)cl; }
- inline ipstream& operator >> ( ipstream& is, TNumInputLine*& cl )
- { return is >> (void *&)cl; }
- inline opstream& operator << ( opstream& os, TNumInputLine& cl )
- { return os << (TStreamable&)cl; }
- inline opstream& operator << ( opstream& os, TNumInputLine* cl )
- { return os << (TStreamable *)cl; }
-
- #endif // __FIELDS_H
-