Initial revision
diff --git a/Demo/tkinter/guido/listtree.py b/Demo/tkinter/guido/listtree.py
new file mode 100755
index 0000000..5b5984c
--- /dev/null
+++ b/Demo/tkinter/guido/listtree.py
@@ -0,0 +1,36 @@
+# Print a remote app's widget tree (names and classes only)
+
+import sys
+import string
+
+from Tkinter import *
+
+def listtree(master, app):
+ list = Listbox(master, {'name': 'list',
+ Pack: {'expand': 1, 'fill': 'both'}})
+ listnodes(list, app, '.', 0)
+ return list
+
+def listnodes(list, app, widget, level):
+ klass = list.send(app, 'winfo', 'class', widget)
+## i = string.rindex(widget, '.')
+## list.insert('end', '%s%s (%s)' % ((level-1)*'. ', widget[i:], klass))
+ list.insert('end', '%s (%s)' % (widget, klass))
+ children = list.tk.splitlist(
+ list.send(app, 'winfo', 'children', widget))
+ for c in children:
+ listnodes(list, app, c, level+1)
+
+def main():
+ if not sys.argv[1:]:
+ sys.stderr.write('Usage: listtree appname\n')
+ sys.exit(2)
+ app = sys.argv[1]
+ tk = Tk()
+ tk.minsize(1, 1)
+ f = Frame(tk, {'name': 'f', Pack: {'expand': 1, 'fill': 'both'}})
+ list = listtree(f, app)
+ tk.mainloop()
+
+if __name__ == '__main__':
+ main()