import numpy as np
import cv2


WINDOW_NAME = 'program'
cv2.namedWindow(WINDOW_NAME, cv2.WINDOW_NORMAL)
cv2.setWindowProperty(WINDOW_NAME, cv2.WND_PROP_FULLSCREEN,
                      cv2.WINDOW_GUI_EXPANDED)

while True:
    # Simplified image acquisition.
    frame = (np.random.rand(1080, 1920, 3)*255).astype(np.uint8)

    cv2.imshow(WINDOW_NAME, frame)

    while True:
        pressed_key_code = cv2.pollKey()
        if pressed_key_code == -1:
            print('no key')
            break
        if pressed_key_code == ord('q'):
            exit()
        elif pressed_key_code == ord('p'):
            print('moving action')