MOUSE_BUTTON2DOWN
MOUSE_BUTTON2DOWN,
MOUSE_BUTTON2DOWN | MOUSE_BUTTON4DOWN,
MOUSE_BUTTON2DOWN,
MOUSE_BUTTON2DOWN | MOUSE_BUTTON4DOWN,
MOUSE_BUTTON2DOWN,
MOUSE_BUTTON2DOWN | MOUSE_BUTTON3DOWN,
MOUSE_BUTTON1DOWN | MOUSE_BUTTON2DOWN,
MOUSE_BUTTON1DOWN | MOUSE_BUTTON2DOWN | MOUSE_BUTTON3DOWN
MOUSE_BUTTON2DOWN,
act->button = (act->obutton & (MOUSE_BUTTON2DOWN | MOUSE_BUTTON4DOWN))