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/*---------------------------------------------------------*/
/* */
/* Fileview.h: Header file for fileview.cpp. */
/* */
/*---------------------------------------------------------*/
/*
* Turbo Vision - Version 2.0
*
* Copyright (c) 1994 by Borland International
* All Rights Reserved.
*
*/
#if !defined( __FILEVIEW_H )
#define __FILEVIEW_H
#define Uses_TCollection
#define Uses_TScroller
#define Uses_TWindow
#include <tv.h>
const int hlChangeDir = cmChangeDir;
class TLineCollection : public TCollection
{
public:
TLineCollection(short lim, short delta) : TCollection(lim, delta) {}
virtual void freeItem(void *p) { delete[] (char *)p; }
private:
virtual void *readItem( ipstream& ) { return 0; }
virtual void writeItem( void *, opstream& ) {}
};
class TFileViewer : public TScroller
{
public:
char *fileName;
TCollection *fileLines;
Boolean isValid;
TFileViewer( const TRect& bounds,
TScrollBar *aHScrollBar,
TScrollBar *aVScrollBar,
const char *aFileName
);
~TFileViewer();
TFileViewer( StreamableInit ) : TScroller(streamableInit) { };
void draw();
void readFile( const char *fName );
void setState( ushort aState, Boolean enable );
void scrollDraw();
Boolean valid( ushort command );
private:
virtual const char *streamableName() const
{ return name; }
protected:
virtual void write( opstream& );
virtual void *read( ipstream& );
public:
static const char * const name;
static TStreamable *build();
};
class TFileWindow : public TWindow
{
public:
TFileWindow( const char *fileName );
};
// const int maxLineLength = 256; JASC, defined in editors.h
#endif
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