On Jun 26, 2007, at 8:20 AM, Trenton Schulz wrote:
Hi everyone,
If I add an HIView that is hidden and it is not conveinent to
calculate its size constraints at that point (so its minimum and
maximum is then (0, 0)). However, at some point later on, I show
the HIView and it doesn't get any space on the HIToolbar. If I
resize the window, HIToolbar will ask for the size constraints
again and then it will get the space needs.
I guess this is OK in the sense that originally the view did say
that it didn't need any space. Aside from resizing the window, is
there a way to invalidate your size constraint(s) so that
HIToolbar will ask again or at least let it know it has changed?
I've hunted through the headers, but nothing is jumping out at me?
I don't think there's any way to let the HIToolbox know that your
size constraints have changed, but one trick you could use would be
to hide the toolbar and show it again, and wrap both operations in
DisableScreenUpdates/EnableScreenUpdates so that toolbar appears to
atomically resize.
Yes, that did the trick nicely. Thanks! :)
You could also file a bug requesting a better way to do this. In
Leopard, we have added a kEventControlOptimalBoundsChanged event
which the toolbar could handle (but doesn't currently) and if we
implemented that, then you could send the event from your view.
Hmm... yes, that was indeed what I was looking for. I've filed the
report here:
rdar://5297552
Thanks again,
-- Trenton
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