# -*- coding: utf-8 -*-

"""

Created on Sat Apr 14 15:16:08 2018

@author: admin

"""

import sys

import Tkinter as Tk

import matplotlib

from numpy import arange, sin, pi

from matplotlib.backends.backend_tkagg import FigureCanvasTkAgg,NavigationToolbar2TkAgg

from matplotlib.backend_bases import key_press_handler

from matplotlib.figure import Figure

matplotlib.use('TkAgg')

root =Tk.Tk()

root.title("脚本之家测试 - matplotlib in TK")

#设置图形尺寸与质量

f =Figure(figsize=(5,4), dpi=100)

a = f.add_subplot(111)

t = arange(0.0,3,0.01)

s = sin(2*pi*t)

#绘制图形

a.plot(t, s)

#把绘制的图形显示到tkinter窗口上

canvas =FigureCanvasTkAgg(f, master=root)

canvas.show()

canvas.get_tk_widget().pack(side=Tk.TOP, fill=Tk.BOTH, expand=1)

#把matplotlib绘制图形的导航工具栏显示到tkinter窗口上

toolbar =NavigationToolbar2TkAgg(canvas, root)

toolbar.update()

canvas._tkcanvas.pack(side=Tk.TOP, fill=Tk.BOTH, expand=1)

#定义并绑定键盘事件处理函数

def on_key_event(event):

print('you pressed %s'% event.key)

key_press_handler(event, canvas, toolbar)

canvas.mpl_connect('key_press_event', on_key_event)

#按钮单击事件处理函数

def _quit():

#结束事件主循环，并销毁应用程序窗口

root.quit()

root.destroy()

button =Tk.Button(master=root, text='Quit', command=_quit)

button.pack(side=Tk.BOTTOM)

Tk.mainloop()