# -*- coding: utf-8 -*-
from Tkinter import *
class MainWindow():
    def __init__(self, master=None):
        self.MainWindow = Tk()
        self.createWidgets()
        self.MainWindow.mainloop()
    def scrEnt(event, *L):
        
        if event == 'scroll':
                direction = L[0]
                discontinuity = L[1]
                self.ent.xview_scroll(direction, discontinuity)
        elif event == 'moveto':
                direction = L[0]
                self.ent.xview_moveto(direction)
    def createWidgets(self):
        self.scr = Scrollbar(self.MainWindow, orient = HORIZONTAL, command = self.scrEnt)
        self.ent = Entry(self.MainWindow, font='Arial 12', xscrollcommand = self.scr.set)
        self.ent.pack()
        self.scr.pack(fill = BOTH)
mw = MainWindow()

# -*- coding: utf-8 -*-
from Tkinter import *
def scrEnt(event, *L):
    
    if event == 'scroll':
            direction = L[0]
            discontinuity = L[1]
            ent.xview_scroll(direction, discontinuity)
    elif event == 'moveto':
            direction = L[0]
            ent.xview_moveto(direction)
MainWindow = Tk()
scr = Scrollbar(MainWindow, orient = HORIZONTAL, command = scrEnt)
ent = Entry(MainWindow, font='Arial 12', xscrollcommand = scr.set)
ent.pack()
scr.pack(fill = BOTH)
MainWindow.mainloop()

def scrEnt(self, event, *L):

# . . .
class MainWindow():
    def __init__(self, master=None):
        self.MainWindow = Tk()
        self.createWidgets()
        self.MainWindow.mainloop()
    def scrEnt(self, event, *L):
        if event == 'scroll':
                direction = L[0]
                discontinuity = L[1]
                self.ent.xview_scroll(direction, discontinuity)
        elif event == 'moveto':
                direction = L[0]
                self.ent.xview_moveto(direction)
# . . .

from Tkinter import *

class MainWindow():
    def __init__(self, master=None):
        self.MainWindow = Tk()
        self.createWidgets()
        self.MainWindow.mainloop()