@Override
	public GUIEvent updateKeyboard(KeyEvent event) {

		if(event.isKeyDown(KeyEvent.TSK_SHIFT_DIREITA)||event.isKeyDown(KeyEvent.TSK_SHIFT_ESQUERDA)) {
			setModeShift(true);
			
			System.out.println("Shift true");
			return GUIEvent.UPDATE_MOUSE;
		}

		if(event.isKeyUp(KeyEvent.TSK_SHIFT_DIREITA)||event.isKeyUp(KeyEvent.TSK_SHIFT_ESQUERDA)) {
			setModeShift(false);
			
			System.out.println("Shift false");
			return GUIEvent.UPDATE_MOUSE;
		}

		//Eraser Growing
		if(event.isKeyDown(KeyEvent.TSK_IGUAL)) {
			if(mode==PaintMode.ERASER) {
				eraserSize+=2;
			}
		}
		else if(event.isKeyDown(KeyEvent.TSK_MENOS)) {
			if(mode==PaintMode.ERASER) {
				eraserSize-=2;
			}
		}

		return GUIEvent.NONE;
	}