GUI_OOP.py

'''
May 2017
@author: Burkhard
'''

import tkinter as tk
from tkinter import ttk
from tkinter import scrolledtext
from tkinter import Menu

class OOP():
    def __init__(self): 
        self.win = tk.Tk()         
        self.win.title("Python GUI")      
        self.createWidgets()

    def createWidgets(self):    
        tabControl = ttk.Notebook(self.win)     
        tab1 = ttk.Frame(tabControl)            
        tabControl.add(tab1, text='Tab 1')    
        tabControl.pack(expand=1, fill="both")  
        self.monty = ttk.LabelFrame(tab1, text=' Mighty Python ')
        self.monty.grid(column=0, row=0, padx=8, pady=4)        
        
        ttk.Label(self.monty, text="Enter a name:").grid(column=0, row=0, sticky='W')
        self.name = tk.StringVar()
        nameEntered = ttk.Entry(self.monty, width=12, textvariable=self.name)
        nameEntered.grid(column=0, row=1, sticky='W')

        self.action = ttk.Button(self.monty, text="Click Me!")   
        self.action.grid(column=2, row=1)
        
        ttk.Label(self.monty, text="Choose a number:").grid(column=1, row=0)
        number = tk.StringVar()
        numberChosen = ttk.Combobox(self.monty, width=12, textvariable=number)
        numberChosen['values'] = (42)
        numberChosen.grid(column=1, row=1)
        numberChosen.current(0)
   
        scrolW = 30; scrolH = 3
        self.scr = scrolledtext.ScrolledText(self.monty, width=scrolW, height=scrolH, wrap=tk.WORD)
        self.scr.grid(column=0, row=3, sticky='WE', columnspan=3)

        menuBar = Menu(tab1)
        self.win.config(menu=menuBar)
        fileMenu = Menu(menuBar, tearoff=0)
        menuBar.add_cascade(label="File", menu=fileMenu)
        helpMenu = Menu(menuBar, tearoff=0)
        menuBar.add_cascade(label="Help", menu=helpMenu)

        nameEntered.focus()     
#==========================
oop = OOP()
oop.win.mainloop()