import java.awt.*;
import java.awt.event.*;
//import java.applet.*;

public class AppWindow extends Frame {
    String keymsg = "This is a test";
    String mousemsg = "";
    int mouseX = 30, mouseY = 30;

    public AppWindow() {
        addKeyListener(new MyKeyAdapter(this));
        addMouseListener(new MyMouseAdapter(this));
        addWindowListener(new MyWindowAdapter());
    }

    public void paint(Graphics g) {
        int xpoints[] = {30, 200, 30, 200, 30};
        int ypoints[] = {30, 30, 200, 200, 30};
        int nums = 5;
        g.drawPolygon(xpoints, ypoints, nums);
        g.drawString(keymsg, 10, 40);
        g.drawString(mousemsg, mouseX, mouseY);
        g.drawLine(0, 0, 100, 100);
        g.drawRect(20, 20, 50, 60);
        g.drawRect(100, 20, 50, 60);
        g.fillRect(200, 20, 50, 60);
        g.fillRoundRect(100, 100, 100, 50, 34, 23);
    }

    public static void main(String args[]) {
        AppWindow appwin = new AppWindow();

        appwin.setSize(new Dimension(300, 250));
        appwin.setTitle("AWT app");
        appwin.setVisible(true);
    }
}

class MyKeyAdapter extends KeyAdapter {
    AppWindow appwindow;
    public MyKeyAdapter(AppWindow appwindow) {
        this.appwindow = appwindow;
    }

    public void keyTyped(KeyEvent ke) {
        appwindow.keymsg += ke.getKeyChar();
        appwindow.repaint();
    }
}

class MyMouseAdapter extends MouseAdapter {
    final int inc = 25;
    int max = 500;
    int min = 250;
    Dimension d;
    AppWindow appwindow;

    public MyMouseAdapter(AppWindow appwindow) {
        this.appwindow = appwindow;
    }

    public void mouseReleased(MouseEvent me) {
        int w = (d.width + inc) > max ? min : (d.width + inc);
        int h = (d.height + inc) > max ? min : (d.height + inc);
        d.setSize(new Dimension(w, h));
    }

    public void mousePressed(MouseEvent me) {
        appwindow.mouseX = me.getX();
        appwindow.mouseY = me.getY();
        appwindow.mousemsg = "Mouse down at " + appwindow.mouseX + " "
        + appwindow.mouseY;
        appwindow.repaint();
    }
}

class MyWindowAdapter extends WindowAdapter {
    public void windowClosing(WindowEvent we) {
        System.exit(0);
    }
}