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// -*- c++ -*-
#ifndef VDR_TEXT2SKIN_SCROLLER_H
#define VDR_TEXT2SKIN_SCROLLER_H
#include "common.h"
#include <vdr/font.h>
class cText2SkinScreen;
class cText2SkinScroller {
private:
cText2SkinScreen *mScreen;
const cFont *mFont;
int mLeft;
int mTop;
int mWidth;
int mHeight;
int mOffset;
int mShown;
tColor mColorFg;
tColor mColorBg;
cTextWrapper mWrapper;
public:
cText2SkinScroller(cText2SkinScreen *Screen, int Left, int Top, int Width, int Height,
const char *Text, const cFont *Font, tColor ColorFg, tColor ColorBg);
void Set(cText2SkinScreen *Screen, int Left, int Top, int Width, int Height, const char *Text,
const cFont *Font, tColor ColorFg, tColor ColorBg);
void DrawText(void);
void Reset(void);
int Left(void) { return mLeft; }
int Top(void) { return mTop; }
int Width(void) { return mWidth; }
int Height(void) { return mHeight; }
int Total(void) { return mWrapper.Lines(); }
int Offset(void) { return mOffset; }
int Shown(void) { return mShown; }
bool CanScrollUp(void) { return mOffset > 0; }
bool CanScrollDown(void) { return mOffset + mShown < Total(); }
bool CanScroll(void) { return CanScrollUp() || CanScrollDown(); }
void Scroll(bool Up, bool Page);
};
#endif // VDR_TEXT2SKIN_SCROLLER_H
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