NewRadioButton.java

import java.awt.*;
import java.awt.image.*;
import java.applet.*;
import java.util.*;

public class NewRadioButton extends Control
{
	private static	Font	helvFont = new Font("Helvetica", Font.BOLD, 12);
	private			int		TitleWidth, TitleHeight;
	
	public NewRadioButton()
	{
		super();
	}
	
	protected void SetSize()
	{
		FontMetrics	fm;
		int			minWidth,minHeight;
		
		theWindow.graphicsPortGC.setFont(helvFont);
		fm = theWindow.graphicsPortGC.getFontMetrics(theWindow.graphicsPortGC.getFont());

		TitleWidth = fm.stringWidth(Title);
		minWidth = TitleWidth + 17;
		TitleHeight = fm.getMaxAscent() + fm.getMaxDescent();
		minHeight = TitleHeight;

		if (width < minWidth) width = minWidth;
		if (height < minHeight) height = minHeight;
	}
	
	public void SetControlValue(int theValue)
	{
		Enumeration	e;
		Control		TempControl;
		
		if (theValue != 0 & value == 0)
		{
			e = theWindow.theControls.elements();
			while (e.hasMoreElements())
			{
				TempControl = (Control)e.nextElement();
				if (TempControl instanceof NewRadioButton)
				{
					if (TempControl.maxValue == this.maxValue & TempControl != this)
					{
						TempControl.value=0;
						TempControl.DrawIt();
					}
				}
			}
			value = theValue;
			Draw();
		}
		else
		{
			if (theValue == 0 & value != 0)
			{
				value = theValue;
				Draw();
			}
		}
	}
	
	protected void DrawIt()
	{
		if (hiliteState == 255) theWindow.graphicsPortGC.setColor(Color.black);
		else theWindow.graphicsPortGC.setColor(Color.gray);
		theWindow.graphicsPortGC.setFont(helvFont);

		theWindow.graphicsPortGC.drawOval(xPos,yPos+1,11,11);
		theWindow.graphicsPortGC.drawString(Title, xPos+17, yPos+11);
		
		if (value != 0)
		{
			theWindow.graphicsPortGC.fillOval(xPos+3,yPos+4,6,6);
		}
		else
		{
			theWindow.graphicsPortGC.setColor(Color.white);
			theWindow.graphicsPortGC.fillOval(xPos+3,yPos+4,6,6);
		}
	}
	
	public int TrackControl(Point location)
	{
		int		x,y;
		boolean	pushed;
		
		pushed = false;
		
		do
		{
			x = location.x;
			y = location.y;
			if (x >= xPos & x < xPos+width & y >= yPos & y < yPos+height)
			{
				if (!pushed)
				{
					push();
					pushed = true;
				}
			}
			else
			{
				if (pushed)
				{
					pull();
					pushed = false;
				}
			} 
			location.x = theWindow.AFC.xMousePos;
			location.y = theWindow.AFC.yMousePos;
			location = theWindow.GlobalToLocal(location);
		}
		while (!theWindow.AFC.WaitMouseUp());
		
		if (pushed)
		{
			pull();
			return 11;
		}
		else return 0;
	}

	public void push()
	{
		theWindow.graphicsPortGC.setColor(Color.black);	
		theWindow.graphicsPortGC.drawOval(xPos+1,yPos+2,9,9);
		theWindow.UpdateGraphicsPort();
	}

	public void pull()
	{
		theWindow.graphicsPortGC.setColor(Color.white);	
		theWindow.graphicsPortGC.drawOval(xPos+1,yPos+2,9,9);
		theWindow.UpdateGraphicsPort();
	}
}