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/*
* Turbo Vision - Version 2.0
*
* Copyright (c) 1994 by Borland International
* All Rights Reserved.
*
Modified by Robert H”hne to be used for RHIDE.
*
*
*/
/* ---------------------------------------------------------------------- */
/* class TScroller */
/* */
/* Palette layout */
/* 1 = Normal text */
/* 2 = Selected text */
/* ---------------------------------------------------------------------- */
#if defined( Uses_TScroller ) && !defined( __TScroller )
#define __TScroller
class TRect;
class TScrollBar;
struct TEvent;
class CLY_EXPORT TScroller : public TView
{
public:
TScroller( const TRect& bounds,
TScrollBar *aHScrollBar,
TScrollBar *aVScrollBar
);
virtual void changeBounds( const TRect& bounds );
virtual TPalette& getPalette() const;
virtual void handleEvent( TEvent& event );
virtual void scrollDraw();
void scrollTo( int32 x, int32 y );
void setLimit( int32 x, int32 y );
virtual void setState( ushort aState, Boolean enable );
void checkDraw();
virtual void shutDown();
// How many lines we will scroll when the mouse wheel is used.
static int defaultWheelStep;
int wheelStep;
protected:
uchar drawLock;
Boolean drawFlag;
TScrollBar *hScrollBar;
TScrollBar *vScrollBar;
TPoint delta;
TPoint limit;
private:
void showSBar( TScrollBar *sBar );
#if !defined( NO_STREAM )
virtual const char *streamableName() const
{ return name; }
protected:
TScroller( StreamableInit );
virtual void write( opstream& );
virtual void *read( ipstream& );
public:
static const char * const name;
static TStreamable *build();
#endif // NO_STREAM
};
#if !defined( NO_STREAM )
inline ipstream& operator >> ( ipstream& is, TScroller& cl )
{ return is >> (TStreamable&)cl; }
inline ipstream& operator >> ( ipstream& is, TScroller*& cl )
{ return is >> (void *&)cl; }
inline opstream& operator << ( opstream& os, TScroller& cl )
{ return os << (TStreamable&)cl; }
inline opstream& operator << ( opstream& os, TScroller* cl )
{ return os << (TStreamable *)cl; }
#endif // NO_STREAM
#endif // Uses_TScroller
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