@Override
	public void keyPressed(KeyEvent e) {

		int keyCode = e.getKeyCode();
		
		switch (keyCode) {
		case VK_E:
			drawEdges = !drawEdges;
            break;
		case VK_L:
			break;
		case VK_F:
			break;
		case VK_PAGE_UP:
			break;
		case VK_PAGE_DOWN:
			break;
		case VK_UP:
			break;
		case VK_DOWN:
			break;
		case VK_LEFT:
			break;
		case VK_RIGHT:
			break;
		}

	}