Key action: Shift Pressed and Released
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-Shift_L>", self.shiftPressed )
self.master.bind( "<KeyRelease-Shift_L>", self.shiftReleased )
def shiftPressed( self, event ):
self.message1.set( "Shift pressed" )
self.message2.set( "This key is left shift" )
def shiftReleased( self, event ):
self.message1.set( "Shift released" )
self.message2.set( "This key is left shift" )
def main():
KeyDemo().mainloop()
if __name__ == "__main__":
main()
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