basic_pysimplegui.py

import asyncio
from bleak import BleakScanner


import matplotlib
import PySimpleGUI as sg

from matplotlib.backends.backend_tkagg import FigureCanvasTkAgg
import numpy as np
import matplotlib.pyplot as plt


import time

import json
import os


import threading
import logging

import win32gui
import win32api



def draw_figure(canvas, figure):
    figure_canvas_agg = FigureCanvasTkAgg(figure, canvas)
    figure_canvas_agg.draw()
    figure_canvas_agg.get_tk_widget().pack(side="left",  expand=1)
    return figure_canvas_agg


gui_timetout = 100  #ms


if __name__ == "__main__":
    format = "%(asctime)s.%(msecs)03d: %(message)s"
    logging.basicConfig(format=format, level=logging.INFO,
                        datefmt="%H:%M:%S")
   
    
    logging.info("Main    : Started program")




    sg.theme('SystemDefaultForReal') 


    menu_def = [['File', ['Exit']],            
            ['Help', 'About...'], ]      

    column1 = [
        [sg.Text("Text")],
        [sg.Listbox(values=[1,2,3],  size=(30, 6), key='listbox_1'),],
        [sg.Text("Input text: "),sg.Input(key='input_1',size=(10,1), enable_events=True),
         sg.Button("Set", key='btn_set')],
        [sg.Canvas(key="-CANVAS-", size=(320, 240)) ],
        
    ]
    column2 = [
        [sg.Text("Text 2")],
        [sg.Frame(layout=[ 
            [ sg.Text("More text", key='text_velocity'),],
        ], title='Layout title')],
        
        [sg.Text("Text and buttong"),sg.Button("Refresh", key='btn_refresh_devices')],
 
 
        [sg.Button("Play", key='btn_play'),sg.Button("Stop", key='btn_stop'), 
            sg.StatusBar( text=f'Stopped', size=(10,1), justification='left', visible=True, key='play_status_bar' )]
    ]

    # Define the window layout
    layout = [
        [sg.Menu(menu_def, tearoff=True)],  
        [sg.Column(column1),sg.VerticalSeparator(), sg.Column(column2)],
        [sg.StatusBar( text=f'', size=(50,1), justification='left', visible=True, key='status_bar' )],
 
        # [sg.OK(), sg.Cancel()]
    ]


    # icon_base64 = 
    # Create the form and show it without the plot
    title_window = "Application title"
    window = sg.Window(
        title_window,
        layout,
        location=(0, 0),
        finalize=True,
        element_justification="center",
        icon = sg.DEFAULT_BASE64_ICON,

    )
    window['status_bar'].expand(expand_x=True, expand_y=True)


    if 0:
        # initialize plot    
        fig_canvas, ax = plt.subplots(1,1, figsize=(4,2))
        t = np.linspace(0,2, 100)
        y = np.sin(2*np.pi*10*t)
        plt.plot(t,y)

        plt.xlabel('t [s]')
        plt.ylabel('A')

        plt.subplots_adjust(hspace=0.4, left=0.20, bottom=0.25)

        window["-CANVAS-"].set_tooltip('Plot canvas')
        agg_figure = draw_figure(window["-CANVAS-"].TKCanvas, fig_canvas)





    while True:             
        event, values = window.read(timeout=gui_timetout)

        
        # if event == sg.WIN_CLOSED or event == 'Exit':
        if event == sg.WIN_CLOSED or event in ('Exit', None, 'Cancel'):
            logging.info("Main    : Exiting")

            break


        # Refresh plot
        if 0:
            axes = fig_canvas.axes
            # clar first axis
            ax = axes[0]
            ax.cla()

            t = np.linspace(0,2, 100)
            y = np.random.rand(len(t))
            ax.plot(t,y)

            ax.set_xlabel('x')
            ax.set_ylabel('y')

            agg_figure.draw()