Binding keys to keyboard events. : Key Event « Tkinker « Python Tutorial

1. Python Tutorial
2. Tkinker
3. Key Event

from Tkinter import *

class KeyDemo( Frame ):
   def __init__( self ):
      Frame.__init__( self )
      self.pack( expand = YES, fill = BOTH )
      self.master.title( "Demonstrating Keystroke Events" )
      self.master.geometry( "350x50" )

      self.message1 = StringVar()
      self.line1 = Label( self, textvariable = self.message1 )
      self.message1.set( "Type any key or shift" )
      self.line1.pack()

      self.message2 = StringVar()
      self.line2 = Label( self, textvariable = self.message2 )
      self.message2.set( "" )
      self.line2.pack()

      self.master.bind( "<KeyPress>", self.keyPressed )
      self.master.bind( "<KeyRelease>", self.keyReleased )

      self.master.bind( "<KeyPress-Shift_L>", self.shiftPressed )
      self.master.bind( "<KeyRelease-Shift_L>",
         self.shiftReleased )

   def keyPressed( self, event ):
      self.message1.set( "Key pressed: " + event.char )

   def keyReleased( self, event ):
      self.message1.set( "Key released: " + event.char )
   
   def shiftPressed( self, event ):
      self.message1.set( "Shift pressed" )

   def shiftReleased( self, event ):
      self.message1.set( "Shift released" )
   
KeyDemo().mainloop()

18.16.Key Event
	18.16.1.	Get key code
	18.16.2.	Up arrow key
	18.16.3.	Enter key event
	18.16.4.	Bind key action to button
	18.16.5.	Entry components and event binding demonstration.
	18.16.6.	Binding keys to keyboard events.