/*
 * To change this license header, choose License Headers in Project Properties.
 * To change this template file, choose Tools | Templates
 * and open the template in the editor.
 */
package mobileapplication10;

import javax.microedition.lcdui.*;

public class MyCanvas extends Canvas implements CommandListener {

    Midlet midlet;
    int xPos;
    int yPos;
    int rColor;
    int gColor;
    int bColor;
    boolean key_command[];

    public MyCanvas(Midlet _midlet) {
        midlet = _midlet;
        key_command = new boolean[4];
        for (int i = 0; i < 4; i++) {
            key_command[i] = false;
        }
        addCommand(new Command("Koniec", Command.EXIT, 0));
        setCommandListener(this);

        xPos = getWidth() / 2;
        yPos = getHeight() / 2;

        rColor = 10;
        gColor = 10;
        bColor = 255;

    }

    protected void paint(Graphics g) {

        g.setColor(0xffffff);
        int screenWidth = getWidth();
        int screenHeight = getHeight();

        g.fillRect(0, 0, screenWidth, screenHeight);

        g.setColor(rColor, gColor, bColor);
        g.fillRect(xPos, yPos, 32, 32);
        System.out.println("repaint");

    }

    protected void keyPressed(int keyCode) {
        moveRectangle(keyCode);
    }

    protected void keyRepeated(int keyCode) {
        moveRectangle(keyCode);
    }

    public void commandAction(Command c, Displayable d) {
        switch (c.getCommandType()) {
            case Command.EXIT:
                midlet.destroyApp(false);
                midlet.notifyDestroyed();
                break;
        }
    }

    private void moveRectangle(int keyCode) {
        switch (keyCode) {
            case KEY_NUM2:
                --yPos;
                rColor = 255;
                gColor = 10;
                bColor = 10;
                break;
            case KEY_NUM8:
                ++yPos;
                rColor = 10;
                gColor = 255;
                bColor = 10;
                break;
            case KEY_NUM4:
                --xPos;
                rColor = 255;
                gColor = 255;
                bColor = 10;
                break;
            case KEY_NUM6:
                ++xPos;
                rColor = 10;
                gColor = 255;
                bColor = 255;
                break;
        }
        repaint();
        serviceRepaints();
    }
}