import javax.microedition.lcdui.Canvas;
import javax.microedition.lcdui.Font;
import javax.microedition.lcdui.Graphics;
public class KeyCanvas extends Canvas {
private Font mFont;
private String mMessage = "[Press keys]";
public KeyCanvas() {
mFont = Font.getFont(Font.FACE_PROPORTIONAL, Font.STYLE_PLAIN, Font.SIZE_MEDIUM);
}
public void paint(Graphics g) {
int w = getWidth();
int h = getHeight();
// Clear the Canvas.
g.setGrayScale(255);
g.fillRect(0, 0, w - 1, h - 1);
g.setGrayScale(0);
g.drawRect(0, 0, w - 1, h - 1);
g.setFont(mFont);
int x = w / 2;
int y = h / 2;
g.drawString(mMessage, x, y, Graphics.BASELINE | Graphics.HCENTER);
}
protected void keyPressed(int keyCode) {
int gameAction = getGameAction(keyCode);
switch (gameAction) {
case UP:
mMessage = "UP";
break;
case DOWN:
mMessage = "DOWN";
break;
case LEFT:
mMessage = "LEFT";
break;
case RIGHT:
mMessage = "RIGHT";
break;
case FIRE:
mMessage = "FIRE";
break;
case GAME_A:
mMessage = "GAME_A";
break;
case GAME_B:
mMessage = "GAME_B";
break;
case GAME_C:
mMessage = "GAME_C";
break;
case GAME_D:
mMessage = "GAME_D";
break;
default:
mMessage = "";
break;
}
repaint();
}
}