client.py 文件源码

def keyReleaseEvent(self, event):
        """Keyboard released event

        Effective key: W,A,S,D, ?,  ?,  ?,  ?
        Release a key on keyboard, the function will get an event, if the condition is met, call the function 
        run_action(). 

        Args:
            event, this argument will get when an event of keyboard release occured

        """
        # don't need autorepeat, while haven't pressed, just run once
        key_release = event.key()
        if not event.isAutoRepeat():
            if key_release == Qt.Key_Up:        # up
                run_action('camready')
            elif key_release == Qt.Key_Right:   # right
                run_action('camready')
            elif key_release == Qt.Key_Down:    # down
                run_action('camready')
            elif key_release == Qt.Key_Left:    # left
                run_action('camready')
            elif key_release == Qt.Key_W:       # W
                run_action('stop')
            elif key_release == Qt.Key_A:       # A
                run_action('fwstraight')
            elif key_release == Qt.Key_S:       # S
                run_action('stop')
            elif key_release == Qt.Key_D:       # D
                run_action('fwstraight')