Category : C Source Code
Archive   : DFPP03.ZIP
Filename : SCROLBAR.H

// -------- scrolbar.h

#ifndef SCROLBAR_H
#define SCROLBAR_H

#include "dfwindow.h"

class TextBox;

/* ------------- scroll bar characters ------------ */
const unsigned char UPSCROLLBOX = '\x1e';
const unsigned char DOWNSCROLLBOX = '\x1f';
const unsigned char LEFTSCROLLBOX = '\x11';
const unsigned char RIGHTSCROLLBOX = '\x10';
const unsigned char SCROLLBARCHAR = 176 ;
const unsigned char SCROLLBOXCHAR = 178;

enum BarPlane { HORIZONTAL, VERTICAL };

class ScrollBar : public DFWindow {
int scrollbox; // position of scroll box
Bool sliding; // True while siding the scroll box
BarPlane plane; // HORIZONTAL or VERTICAL
void ParentSized(int xdif, int ydif);
protected:
public:
ScrollBar(BarPlane Plane, TextBox *par);
// -------- ScrollBar API messages
void Paint();
Bool SetFocus();
void LeftButton(int mx, int my);
void MouseMoved(int mx, int my);
void ButtonReleased(int mx, int my);
void TextPosition(int TxPct);
void MoveScrollBox(int sb);
};

#endif