freesimplegui and matplotlib

freesimplegui_matplotlib_simple_plot.py

#https://github.com/PySimpleGUI/PySimpleGUI/blob/master/DemoPrograms/Demo_Matplotlib_Browser.py

# !/usr/bin/env python
import FreeSimpleGUI as sg
import matplotlib
matplotlib.use('TkAgg')
from matplotlib.backends.backend_tkagg import FigureCanvasTkAgg

import numpy as np
import matplotlib.pyplot as plt


def PyplotSimple():
    # matplotlib drawing function

    # evenly sampled time .2 intervals
    #t = np.arange(0., 5., 0.2)  # go from 0 to 5 using .2 intervals
    hydro_hp = [100, 90, 90,80,55,22,12,10,10,10, 7, 6, 5, 5,5,2,0]
    igni_hp  = [100,100,100,80,80,80,70,44,44,44,44,22,22,22,5,5,5]

    # red dashes, blue squares and green triangles
    #plt.plot(t, t, 'r--', t, t ** 2, 'bs', t, t ** 3, 'g^')

    plt.plot(list(range(1,len(hydro_hp)+1)), hydro_hp, 'r--')
    plt.plot(list(range(1,len(igni_hp) +1)), igni_hp,  'g--')
    #    plt.plot(turn, igni_hp[turn], 'r--')


    fig = plt.gcf()  # get the figure to show

    return fig



#  The magic function that makes it possible.... glues together tkinter and pyplot using Canvas Widget
def draw_figure(canvas, figure):
    if not hasattr(draw_figure, 'canvas_packed'):
        draw_figure.canvas_packed = {}
    figure_canvas_agg = FigureCanvasTkAgg(figure, canvas)
    figure_canvas_agg.draw()
    widget = figure_canvas_agg.get_tk_widget()
    if widget not in draw_figure.canvas_packed:
        draw_figure.canvas_packed[widget] = figure
        widget.pack(side='top', fill='both', expand=1)
    return figure_canvas_agg


def delete_figure_agg(figure_agg):
    figure_agg.get_tk_widget().forget()
    try:
        draw_figure.canvas_packed.pop(figure_agg.get_tk_widget())
    except Exception as e:
        print(f'Error removing {figure_agg} from list', e)
    plt.close('all')


# -------------------------------- GUI Starts Here -------------------------------#
# fig = your figure you want to display.  Assumption is that 'fig' holds the      #
#       information to display.                                                   #
# --------------------------------------------------------------------------------#


sg.theme('LightGreen')

figure_w, figure_h = 650, 650



layout = [[sg.Text('Matplotlib Plot Test', font=('current 18'))],
          [sg.Canvas(size=(figure_w, figure_h), key='-CANVAS-')],
          [sg.Button("OK"),sg.Button("Exit"),],
          ]


# create the form and show it without the plot
# make sure that FINALIZE = TRUE !!!
window = sg.Window('Demo Application - Embedding Matplotlib In PySimpleGUI', layout, grab_anywhere=False, finalize=True)
# create matplotlib diagram (only works after finalize is True)
fig = PyplotSimple()  # function call
figure_agg = draw_figure(window['-CANVAS-'].TKCanvas, fig)  # draw the figure

# The GUI Event Loop
while True:
    event, values = window.read()
    # print(event, values)                  # helps greatly when debugging
    if event in (sg.WIN_CLOSED, 'Exit'):  # if user closed window or clicked Exit button
        break
    #if figure_agg:
    if event == "OK":
        # delete the figure
        delete_figure_agg(figure_agg)
        # draw new figure:
        #try:
        #    #fig = func()  # call function to get the figure
        #    fig = PyplotSimple() # function call
        #    figure_agg = draw_figure(window['-CANVAS-'].TKCanvas, fig)  # draw the figure
        #except Exception as e:
        #    print('Exception in function', e)
window.close()