Python 键盘和鼠标事件

#!/usr/bin/env python
# !_*_ coding:utf-8 _*_

import os
import cv2 as cv
import numpy as np
import sys


def keyboard_demo():
    continue_flag = True
    single_flag = False
    while True:
        while continue_flag:
            mouse_demo()
            for filename in dir_list:
                path = os.path.join('imgs', filename)
                # print(path)
                image = cv.imread(path)
                cv.imshow("Contuinue", image)
                key = cv.waitKey(500)
                if key == ord('s'):
                    continue_flag = False
                    single_flag = True
                    cv.destroyAllWindows()
                    break
                if key & 0xFF == 27:
                    sys.exit()
        while single_flag:
            for filename in dir_list:
                path = os.path.join('imgs', filename)
                # print(path)
                image = cv.imread(path)
                cv.imshow("Single", image)
                key = cv.waitKey(0)
                if key == ord('c'):
                    continue_flag = True
                    single_flag = False
                    cv.destroyAllWindows()
                    break
                if key & 0xFF == 27:
                    sys.exit()


def tempstop(event, x, y, flags, para):
    if event == cv.EVENT_LBUTTONDOWN:
        print("stop")
        cv.waitKey(0)
    elif event == cv.EVENT_MOUSEMOVE:
        print("Mouse move")
        cv.waitKey(1000)


def mouse_demo():
    cv.namedWindow("Contuinue", cv.WINDOW_AUTOSIZE)
    cv.setMouseCallback("Contuinue", tempstop)


if __name__ == '__main__':
    dir_list = os.listdir('./imgs')
    # print(dir_list)
    # mouse_demo()
    keyboard_demo()

照片连续显示，

鼠标移至图像上面 ，图像暂停

按 “c” ，图像连续显示，按 “s”,图像单个显示