importPySimpleGUIassgfrommatplotlib.backends.backend_tkaggimportFigureCanvasTkAgg,NavigationToolbar2Tkimportmatplotlib.pyplotaspltimportmatplotlibasmplclassPlotData:def__init__(self,m_canvas_x,m_canvas_y):self.canvas_x=m_canvas_xself.canvas_y=m_canvas_ydefplot(self,x,y,fig):dpi=plt.gcf().get_dpi()print(f"{dpi=}")iffig:plt.close(fig)fig,ax=plt.subplots(1,1)fig=plt.gcf()fig.set_size_inches(self.canvas_x/float(dpi),self.canvas_y/float(dpi))print(f"{fig.get_size_inches()=}")fig.set_tight_layout(True)plt.margins(x=0)ax.plot(x,y,label="a legend entry")ax.set_xlabel("X ordinate")ax.set_ylabel("Y ordinate")plt.title("Title",loc="left")returnfig# if this next line is there, and you're using matplotlib 3.5.1,#  the plot grows when you press "plot" multiple times.#  matplotlib v3.4.3 works fine.#  What does this line do? If dpi_awarenes is not None, then the following is activated in PySimpleGUI#         if running_windows():#             if platform.release() == "7":#                 ctypes.windll.user32.SetProcessDPIAware()#             elif platform.release() == "8" or platform.release() == "10":#                 ctypes.windll.shcore.SetProcessDpiAwareness(1)sg.set_options(dpi_awareness=True)canvas_x=600canvas_y=300plot=PlotData(canvas_x,canvas_y)figure=Nonefigure_agg=Nonex_data= [1,2,3,4,5]y_data= [[2,6,4,7,9], [7,3,7,3,5]]# https://github.com/PySimpleGUI/PySimpleGUI/blob/master/DemoPrograms/Demo_Matplotlib_Embedded_Toolbar.py# https://github.com/PySimpleGUI/PySimpleGUI/issues/3989#issuecomment-794005240defdraw_figure_w_toolbar(canvas,figure,canvas_toolbar):print(f"{canvas.winfo_width()=},{canvas.winfo_height()=}")ifcanvas.children:forchildincanvas.winfo_children():child.destroy()ifcanvas_toolbar.children:forchildincanvas_toolbar.winfo_children():child.destroy()figure_canvas_agg=FigureCanvasTkAgg(figure,master=canvas)figure_canvas_agg.draw()toolbar=Toolbar(figure_canvas_agg,canvas_toolbar)toolbar.update()figure_canvas_agg.get_tk_widget().pack(side='right',fill='both',expand=1)returnfigure_canvas_agg# https://github.com/PySimpleGUI/PySimpleGUI/blob/master/DemoPrograms/Demo_Matplotlib_Embedded_Toolbar.pyclassToolbar(NavigationToolbar2Tk):def__init__(self,*args,**kwargs):super(Toolbar,self).__init__(*args,**kwargs)layout= \    [        [sg.Button("Plot",key="plot_data"),sg.Button("Exit",key="exit")],        [sg.Column(layout=[[sg.Canvas(size=(canvas_x,canvas_y),key="single_plot",expand_x=True,expand_y=True)]],pad=(0,0),expand_x=True,expand_y=True)],        [sg.Sizer(v_pixels=60),sg.Canvas(key="single_matplotlib_controls")]    ]defgui()->None:globalfigure,figure_aggwindow=sg.Window("Data plotter",layout,finalize=True,resizable=True)print(f"{mpl.__version__=}")i=0whileTrue:event,values=window.read()i+=1print(f"{i=}")ifeventin (None,"exit"):breakelifevent=="plot_data":figure=plot.plot(x_data,y_data[i%2],figure)figure_agg=draw_figure_w_toolbar(window["single_plot"].TKCanvas,figure,window["single_matplotlib_controls"].TKCanvas)if__name__=="__main__":gui()