Tinkering with Tkinter

simple_gui.py

from Tkinter import *

class MyApp:
	def callback(self):
		print self.inputValue.get()

	def key(self, event):
		# print "debug: pressed char {}".format(repr(event.char))
		if event.char == "\r":
			self.myParent.destroy()
			# print "debug: close"

	def __init__(self, parent):
		self.heading = Label(text="hoi wereld")
		self.heading.pack()

		self.myParent = parent
		self.container = Frame(parent)
		self.container.pack()

		self.inputValue = StringVar()

		self.input = Entry(parent, textvariable=self.inputValue)
		self.input.pack()

		self.input.bind("<Key>", self.key)

		self.input.focus()

		self.getInputButton = Button(self.container, text="Print Input", background="white", height=4, width=16, command=self.callback)
		self.getInputButton.pack(side=LEFT)

		
root = Tk()
myapp = MyApp(root)
root.mainloop()