Sharing Information Between Event-Handler Functions
from Tkinter import *
class MyApp:
def __init__(self, parent):
self.myLastButtonInvoked = None
self.myParent = parent
self.myContainer1 = Frame(parent)
self.myContainer1.pack()
self.yellowButton = Button(self.myContainer1, command=self.yellowButtonClick)
self.yellowButton.configure(text="YELLOW")
self.yellowButton.pack(side=LEFT)
self.redButton = Button(self.myContainer1, command=self.redButtonClick)
self.redButton.configure(text="RED")
self.redButton.pack(side=LEFT)
self.whiteButton = Button(self.myContainer1, command=self.whiteButtonClick)
self.whiteButton.configure(text="WHITE")
self.whiteButton.pack(side=LEFT)
def redButtonClick(self):
print "RED button clicked. Previous button invoked was", self.myLastButtonInvoked ### 2
self.myLastButtonInvoked = "RED"
def yellowButtonClick(self):
print "YELLOW button clicked. Previous button invoked was", self.myLastButtonInvoked ### 2
self.myLastButtonInvoked = "YELLOW"
def whiteButtonClick(self):
print "WHITE button clicked. Previous button invoked was", self.myLastButtonInvoked ### 2
self.myLastButtonInvoked = "WHITE"
root = Tk()
myapp = MyApp(root)
root.mainloop()
Related examples in the same category
