from tkinter import *

class MouseDetails( Frame ):
   def __init__( self ):
      Frame.__init__( self )
      self.pack( expand = YES, fill = BOTH )
      self.master.title( "Mouse clicks and buttons" )
      self.master.geometry( "350x150" )

      self.mousePosition = StringVar()
      positionLabel = Label( self, textvariable = self.mousePosition )
      self.mousePosition.set( "Mouse not clicked" )
      positionLabel.pack( side = BOTTOM )

      self.bind( "<Button-1>", self.leftClick )

   def leftClick( self, event ):
      self.showPosition( event.x, event.y )
      self.master.title( "Clicked with left mouse button" )

   def showPosition( self, x, y ):
      self.mousePosition.set( "Pressed at [ " + str( x ) + ", " +
         str( y ) + " ]" )     

def main():
   MouseDetails().mainloop()

if __name__ == "__main__":
   main()