mainDraw.java Source code

Introduction

Here is the source code for mainDraw.java

Source

import java.awt.Color;
import java.awt.Dimension;
import java.awt.Graphics;
import java.awt.event.KeyEvent;
import java.awt.event.KeyListener;

import javax.swing.JComponent;
import javax.swing.JFrame;

class mainDraw extends JComponent {

    public int x = 50;
    public int y = 50;

    public void paintComponent(Graphics g) {
        super.paintComponent(g);
        g.drawRect(x, y, 50, 50);
        g.fillRect(x, y, 50, 50);
        g.setColor(Color.BLACK);
    }

    public void moveRight() {
        x = x + 5;
        repaint();
    }

    public void moveLeft() {
        x = x - 5;
        repaint();
    }

    public void moveDown() {
        y = y + 5;
        repaint();
    }

    public void moveUp() {
        y = y - 5;
        repaint();
    }
}

public class Main extends JFrame implements KeyListener {
    private mainDraw draw;

    public void keyPressed(KeyEvent e) {
        System.out.println("keyPressed");
    }

    public void keyReleased(KeyEvent e) {
        if (e.getKeyCode() == KeyEvent.VK_RIGHT)
            draw.moveRight();
        else if (e.getKeyCode() == KeyEvent.VK_LEFT)
            draw.moveLeft();
        else if (e.getKeyCode() == KeyEvent.VK_DOWN)
            draw.moveDown();
        else if (e.getKeyCode() == KeyEvent.VK_UP)
            draw.moveUp();

    }

    public void keyTyped(KeyEvent e) {
        System.out.println("keyTyped");
    }

    public Main() {
        this.draw = new mainDraw();
        addKeyListener(this);
        setFocusable(true);
        setFocusTraversalKeysEnabled(false);
    }

    public static void main(String[] args) {
        Main frame = new Main();
        frame.setResizable(false);
        frame.setSize(600, 600);
        frame.setMinimumSize(new Dimension(600, 600));
        frame.setDefaultCloseOperation(JFrame.EXIT_ON_CLOSE);
        frame.getContentPane().add(frame.draw);
        frame.pack();
        frame.setVisible(true);
    }
}