NB_BUTTON_PRESSED
#define BUTTON2_PRESSED NB_MOUSE_MASK(2, NB_BUTTON_PRESSED)
#define BUTTON3_PRESSED NB_MOUSE_MASK(3, NB_BUTTON_PRESSED)
#define BUTTON4_PRESSED NB_MOUSE_MASK(4, NB_BUTTON_PRESSED)
#define BUTTON5_PRESSED NB_MOUSE_MASK(5, NB_BUTTON_PRESSED)
#define BUTTON1_PRESSED NB_MOUSE_MASK(1, NB_BUTTON_PRESSED)