Re: Problem with disclosure triangle (resizing Cocoa view) in Logic
Re: Problem with disclosure triangle (resizing Cocoa view) in Logic
- Subject: Re: Problem with disclosure triangle (resizing Cocoa view) in Logic
- From: "B.J. Buchalter" <email@hidden>
- Date: Mon, 22 Aug 2005 14:59:08 -0400
on 8/22/05 2:06 PM, Michael Hopkins at email@hidden wrote:
> Christian,
>
> It's a bad idea for you to be resizing the window from your audio
> unit. Your audio unit does not own the window, the host does, and you
> should not change its size behind its back. The fact that it works in
> AU Lab means that you are getting lucky. Please don't do this or rely
> on that behavior.
>
> That being said, we will look into the feasibility of a mechanism
> whereby a view can request a new view size from the host. Remember it
> will still be up to the host to determine whether it wants to honor
> the request.
This is already part of the Carbon View Spec. I'm surprised that there is
not the equivalent functionality In the Coca View. If not, this is a pretty
serious oversight. Many, many plugins routinely resize their UI's in
response to user actions. While the host may not resize the window (e.g. if
the UI is embedded in another window), it must provide the ability for the
user to access the resized UI (e.g. place it in a scrolling pane). The host
cannot know a priori the proper size for the UI; it must adapt to what the
Plug-in requests (one way or another). This was a serious problem in number
of earlier plug-in specifications; AU got it right with Carbon view; let's
not mess it up with the Cocoa view.
In Carbon, you resize the root control that was passed in to you, and the
host receives the notification....
B.J. Buchalter
Metric Halo
5 Donovan Drive
Hopewell Junction, NY 12533 USA
tel +1 845 223-6112
fax +1 603 250-2451
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