text: import tkinter.filedialog
  from tkinter import ttk 
  import os
  import eosim.gui.helpwindow as helpwindow
  from eosim import config
  import logging
  
  logger = logging.getLogger(__name__)
  class WelcomeFrame(ttk.Frame):
  
      def __init__(self, parent, controller):
          ttk.Frame.__init__(self, parent)
          self.controller = controller
  
          ''' REV_TEST
          self.columnconfigure(0,weight=1)
          self.columnconfigure(1,weight=1)
          self.columnconfigure(2,weight=1)
          self.columnconfigure(3,weight=1)
  
          self.rowconfigure(0,weight=1)
          self.rowconfigure(1,weight=1)
          '''
  
          self.columnconfigure(0,weight=1)
          self.rowconfigure(0,weight=1)
          self.rowconfigure(1,weight=2)
          self.rowconfigure(2,weight=2)
  
          welcomenote1 = ttk.Label(self, text="Welcome to the EOSIM Application!", wraplength=400, justify="center")
          welcomenote1.config(font=("Times", "30", "bold"))
          welcomenote1.grid(row=0, column=0, pady=(20,10))        
          
  
          text = "Click on Sim->New to define and start a new simulation, or click on Sim->Open to re-run a previous configuration."
          welcomenote2 = ttk.Label(self, text=text, wraplength=500, justify="left", font="Arial 12")
          welcomenote2.grid(row=1, column=0, pady=10) 
  
          text = "Navigate to the 'examples' folder if you wish to open an example"
          welcomenote3 = ttk.Label(self, text=text, wraplength=500, justify="left", font="Arial 12")
          welcomenote3.grid(row=2, column=0, pady=10)
  
          
          ''' REV_TEST
          new_btn = ttk.Button(self, text="New", command=self.click_new_sim, width=15)       
          new_btn.bind('<Enter>',lambda event, widget_id="new": helpwindow.update_help_window(event, widget_id)) 
          help_btn = ttk.Button(self, text="Help", width=15, command=lambda: helpwindow.click_help(self))
          help_btn.bind('<Enter>',lambda event, widget_id="main": helpwindow.update_help_window(event, widget_id))
          open_btn = ttk.Button(self, text="Open", width=15)
          open_btn.bind('<Enter>',lambda event, widget_id="open": helpwindow.update_help_window(event, widget_id))
          ex_btn = ttk.Button(self, text="Examples", width=15)
          
          new_btn.grid(row=1, column=0, ipady=30, pady=(20,30))
          open_btn.grid(row=1, column=1, ipady=30, pady=(20,30))
          ex_btn.grid(row=1, column=2, ipady=30, pady=(20,30))
          help_btn.grid(row=1, column=3, ipady=30, pady=(20,30))
          '''
  
      ''' REV_TEST
      def click_new_sim(self):      
          sim_dir_path = tkinter.filedialog.askdirectory(initialdir=os.getcwd(), title="Please select an empty folder:")  
          config.out_config.set_user_dir(sim_dir_path+"/")
      '''
  
  
  
          
          