My experiments suggest that simply setting the current document view
in an NSScrollView to a new size results in the unexpected behaviour
(to me) of having all the content of the document view be scaled up or
down to fit the size of the NSClipView.
If you construct new views that are the appropriate size and then do
[myScrollView setDocumentView:newView], then everything is peachy: the
scroll view adapts to the size of the new new document view.
If you keep the document view, but change its content and resize it
accordingly, you get the weird scaling/zooming effect.
Presumably, one is _supposed_ to create a new document view and set it
into the NSScrollView when you want to change the content like this,
but I'm curious if one is simply "not allowed" to have the document
view change size, or if there's some magic plumbing that makes this
work (the documentation seems silent on the subject).
-- lwe
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