- void setUp(bool val){
- _up = val;
- upChanged(_up);
- }
- void setDown(bool val){
- _down = val;
- downChanged(_down);
- }
- void setLeft(bool val){
- _left = val;
- leftChanged(_left);
- }
- void setRight(bool val){
- _right = val;
- rightChanged(_right);
- }
-