add hg and python

1 files changed, 28 insertions, 0 deletions

diff --git a/sys/src/cmd/python/Demo/tkinter/matt/subclass-existing-widgets.py b/sys/src/cmd/python/Demo/tkinter/matt/subclass-existing-widgets.py
new file mode 100644
index 000000000..0e08f9206
--- /dev/null
+++ b/sys/src/cmd/python/Demo/tkinter/matt/subclass-existing-widgets.py
@@ -0,0 +1,28 @@
+from Tkinter import *
+
+# This is a program that makes a simple two button application
+
+
+class New_Button(Button):
+    def callback(self):
+        print self.counter
+        self.counter = self.counter + 1
+
+def createWidgets(top):
+    f = Frame(top)
+    f.pack()
+    f.QUIT = Button(f, text='QUIT', foreground='red', command=top.quit)
+
+    f.QUIT.pack(side=LEFT, fill=BOTH)
+
+    # a hello button
+    f.hi_there = New_Button(f, text='Hello')
+    # we do this on a different line because we need to reference f.hi_there
+    f.hi_there.config(command=f.hi_there.callback)
+    f.hi_there.pack(side=LEFT)
+    f.hi_there.counter = 43
+
+
+root = Tk()
+createWidgets(root)
+root.mainloop()