Matt's examples

Demo/tkinter/matt/radiobutton-simple.py

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+from Tkinter import *
+
+# This is a demo program that shows how to 
+# create radio buttons and how to get other widgets to 
+# share the information in a radio button. 
+# 
+# There are other ways of doing this too, but 
+# the "variable" option of radiobuttons seems to be the easiest.
+#
+# note how each button has a value it sets the variable to as it gets hit.
+
+
+class Test(Frame):
+    def printit(self):
+	print "hi"
+
+    def createWidgets(self):
+
+	self.flavor = StringVar()
+	self.flavor.set("chocolate")
+
+	self.radioframe = Frame(self)
+	self.radioframe.pack()
+
+	# 'text' is the label
+	# 'variable' is the name of the variable that all these radio buttons share
+	# 'value' is the value this variable takes on when the radio button is selected
+	# 'anchor' makes the text appear left justified (default is centered. ick)
+	self.radioframe.choc = Radiobutton (self.radioframe, {"text" : "Chocolate Flavor", 
+							      "variable" : self.flavor,
+							      "value" : "chocolate",
+							      "anchor" : "w", 
+							      Pack : {"side" : "top", "fill" : "x"}})
+
+	self.radioframe.straw = Radiobutton (self.radioframe, {"text" : "Strawberry Flavor", 
+							       "variable" : self.flavor,
+							      "anchor" : "w", 
+							       "value" : "strawberry", 
+							       Pack : {"side" : "top", "fill" : "x"}})
+
+	self.radioframe.lemon = Radiobutton (self.radioframe, {"text" : "Lemon Flavor", 
+							      "anchor" : "w", 
+							       "variable" : self.flavor,
+							       "value" : "lemon", 
+							       Pack : {"side" : "top", "fill" : "x"}})
+
+	
+	# this is a text entry that lets you type in the name of a flavor too.
+	self.entry = Entry(self, {"textvariable" : self.flavor, 
+				  Pack : {"side" : "top", "fill" : "x"}})
+	self.QUIT = Button(self, {'text': 'QUIT', 
+				  'fg': 'red', 
+				  'command': self.quit})
+	
+	self.QUIT.pack({'side': 'bottom', 'fill': 'both'})
+
+
+
+    def __init__(self, master=None):
+	Frame.__init__(self, master)
+	Pack.config(self)
+	self.createWidgets()
+
+test = Test()
+
+test.mainloop()