def __init__(self, root, nlists=2):
assert nlists >= 1
self.root = root
self.nlists = nlists
self.path = []
# create top
self.top = top = ListedToplevel(root)
top.protocol("WM_DELETE_WINDOW", self.close)
top.bind("<Escape>", self.close)
self.settitle()
# create frames and separators in between
self.frames = []
self.separators = []
last = top
for i in range(nlists - 1):
sepa = HSeparator(last)
self.separators.append(sepa)
frame, last = sepa.parts()
self.frames.append(frame)
self.frames.append(last)
# create labels and lists
self.labels = []
self.lists = []
for i in range(nlists):
frame = self.frames[i]
label = Label(frame,
text=self.subtitle(i),
relief="groove",
borderwidth=2)
label.pack(fill="x")
self.labels.append(label)
list = ScrolledList(frame,
width=self.width(i),
height=self.height(i))
self.lists.append(list)
list.on_select = \
lambda index, i=i, self=self: self.on_select(index, i)
list.on_double = \
lambda index, i=i, self=self: self.on_double(index, i)
# fill leftmost list (rest get filled on demand)
self.fill(0)
# XXX one after_idle isn't enough; two are...
top.after_idle(self.call_pack_propagate_1)
# One or more ScrolledLists with HSeparators between them.
