from __future__ import print_function

import matplotlib
#matplotlib.use("WxAgg")
#matplotlib.use("TkAgg")
#matplotlib.use("GTKAgg")
#matplotlib.use("Qt4Agg")
#matplotlib.use("MacOSX")
import matplotlib.pyplot as plt

#print("***** TESTING WITH BACKEND: %s"%matplotlib.get_backend() + " *****")


def OnClick(event):
    if event.dblclick:
        print("DBLCLICK", event)
    else:
        print("DOWN    ", event)


def OnRelease(event):
    print("UP      ", event)


fig = plt.gcf()
cid_up = fig.canvas.mpl_connect('button_press_event', OnClick)
cid_down = fig.canvas.mpl_connect('button_release_event', OnRelease)

plt.gca().text(0.5, 0.5, "Click on the canvas to test mouse events.",
               ha="center", va="center")

plt.show() 

• 2023/03/29 Ver=1.03 Python 3.11.2 で確認
• 2020/10/30 Ver=1.01 Python 3.7.8 で確認
• 2018/11/25 Ver=1.01 初版リリース

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