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textview.h

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/*
 * textview.h
 *
 * Turbo Vision - Version 2.0
 *
 * Copyright (c) 1994 by Borland International
 * All Rights Reserved.
 *
 * Modified by Sergio Sigala <sergio@sigala.it>
 */

#if defined( Uses_TTextDevice ) && !defined( __TTextDevice )
#define __TTextDevice

#include <iostream.h>

class TRect;
class TScrollBar;

class TTextDevice : public TScroller
{
public:
    TTextDevice( const TRect& bounds,
                 TScrollBar *aHScrollBar,
                 TScrollBar *aVScrollBar
               );
    virtual int do_sputn( const char *s, int count ) = 0;
};

#endif  // Uses_TTextDevice

#if defined( Uses_TTerminal ) && !defined( __TTerminal )
#define __TTerminal

class TRect;
class TScrollBar;

class TTerminal: public TTextDevice
{
public:
    TTerminal( const TRect& bounds,
               TScrollBar *aHScrollBar,
               TScrollBar *aVScrollBar,
               ushort aBufSize
             );
    ~TTerminal();
    virtual int do_sputn( const char *s, int count );
    void bufInc( ushort& val );
    Boolean canInsert( ushort amount );
    short calcWidth();
    virtual void draw();
    ushort nextLine( ushort pos );
    ushort prevLines( ushort pos, ushort lines );
    Boolean queEmpty();
protected:
    ushort bufSize;
    char *buffer;
    ushort queFront;
    ushort queBack;
    void bufDec(ushort& val);
#ifndef __UNPATCHED

    ushort curLineWidth;   // Added horizontal cursor tracking
#endif
};

#endif  // Uses_TTerminal

#if defined( Uses_otstream ) && !defined( __otstream )
#define __otstream

class ostream;

#include <iostream.h>

class TerminalBuf: public streambuf
{
protected:
    TTerminal *term;
public:
    TerminalBuf(TTerminal *tt);
    virtual int overflow( int c = EOF );
    virtual int sync();
};

class otstream : public ostream
{
protected:
    TerminalBuf buf;
public:
    otstream( TTerminal *tt );
};

#endif

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