import java.awt.*;
import Parser;

public class paintType extends java.applet.Applet {

                final int KERN = 1;
                final int SAFETY = 1;
                int col, dec, row;                      //column width, decent and row size (pixels)
                int x = 0, y = 0;
		    boolean moved;

		    Parser p;

		    String buff = new String("");

                char[] d = new char[1]; // this is a buffer for the keyboard character
                Font Helvetica = new Font ("Helvetica", Font.PLAIN, 12);

                Dimension offDimension;
                Image offImage;
                Graphics offGraphics;

        public void init() {

                        d[0] = 0;
                        repaint();
				moved = false;
				p = new Parser();
				p.start();
                        
				System.out.println("finished init");
        }

        public void paint (Graphics g){

                update(g);

        }

        public void update (Graphics g) {

                Dimension dime = size();

                if ((offGraphics == null) ||
                        (dime.width != offDimension.width) ||
                        (dime.height != offDimension.height)) {

                                offDimension = dime;
                                offImage = createImage(dime.width, dime.height);
                                offGraphics = offImage.getGraphics(); 
					  offGraphics.setColor(Color.white);         
                                offGraphics.fillRect(0,0,dime.width,dime.height);

                                col = getFontMetrics(Helvetica).stringWidth("M") + 2*KERN;
                                dec = getFontMetrics(Helvetica).getDescent();
                                row = getFontMetrics(Helvetica).getHeight() + dec + 2*SAFETY;

					  System.out.println("cols: "+col);
					  System.out.println("row: "+row);

					  System.out.println("# cols: "+dime.width/col);
					  System.out.println("# row: "+dime.height/row);


                }

                offGraphics.setFont(Helvetica);
                offGraphics.setColor(Color.white);
                offGraphics.fillRect(x,y-row+dec+SAFETY,col,row);
                offGraphics.setColor(Color.black);
		    if(buff != null)
                    offGraphics.drawString(buff,x+KERN,y+SAFETY);

                g.drawImage(offImage, 0, 0, this);

		    //update the x and y according to the rules :)

                //x = x + col;


        }

        public boolean mouseMove (Event evt, int xclk, int yclk) {
		
		    int xnew = (int)(xclk/col)*col;
                int ynew = (int)(yclk/row)*row;

		    if(xnew != x || ynew != y)
		        moved = true;

                y = ynew;
                x = xnew;
                d[0]=0;

                return false;

        }

        public boolean keyDown (Event evt, int key ) {

                d[0]=(char)key;
		    buff = p.parse(new String(d));
                repaint();

                return true;

        }

}