import java.applet.Applet;
import java.awt.event.*;
import java.awt.*;
import java.awt.geom.*;

/*This is a basic class for a rectangular integer entry button*/

public class SelectReal {
    double x,y,w,h;
    String S;
    int on; 
    Font FONT;


    /*rectangle*/

    public SelectReal(double x,double y,double w,double h,double val) {
	this.x=x;
	this.y=y;
	this.w=w;
	this.h=h;
	Double temp=new Double(val);
	S=temp.toString();
	this.on=0;  
        this.FONT=new Font("Helvetica",Font.PLAIN,11);
    }

    public int inside(Point p) {
        int test=0;
	if((p.x>x)&&(p.x<x+w)&&(p.y>y)&&(p.y<y+h)) test=1;
	return(test);
    }

    /* drawing methods */

    public void render(Graphics g,Color C1,Color C2,Color C3,Color C4) {
	g.setColor(C1);
	g.fillRect((int)(x),(int)(y),(int)(w),(int)(h));
	if(on==0) g.setColor(C2);
	if(on==1) g.setColor(C3);
	g.drawRect((int)(x),(int)(y),(int)(w),(int)(h));
	g.setColor(C4);
	g.setFont(FONT);
	g.drawString(S,(int)(x+3),(int)(y+h-5));
    }

    public double getValue() {
	try{
	  Double D=new Double(S);
	  double d=D.doubleValue();
	  return(d);
	}
	catch(Exception e) {
	    System.out.println("bad double "+"X"+S+"X");
	   return(1.0);
	}
    }

    public void grabValue(double d) {
	Double D=new Double(d);
	S=D.toString();
	if(S.length()>10) S=S.substring(0,9);
    }

    public void modify(KeyEvent e) {
        if(e.getKeyChar()==KeyEvent.VK_BACK_SPACE) {
	    int L=S.length();
	    if(L>0) S=S.substring(0,L-1);
        }
	else {
          char[] ch={e.getKeyChar()};
	  if(S.length()<10) S=S+new String(ch);
	}
    }

}