Kyle Sluder (kyle.slu...@gmail.com) on 2010-07-23 20:20 said:

>On Fri, Jul 23, 2010 at 4:39 PM, Sean McBride <cwat...@cam.org> wrote:
>> What you've missed is that this is something Carbon can do that Cocoa
>> cannot. :( If you launch IB and create a new Carbon window, add a Box,
>> then you can change its type to 'popup'.
>
>There's no reason you can't do this in Cocoa. It's just that NSBox
>doesn't give you API to do it in one step.

Yup. My reply was in regards to the HIG.  As I quoted, Eric said "It
seems strange that the HIG would say this is ok, but then have the NSBox
API not support it".  The reason for that, I suspect, is that the other
major GUI API, Carbon, does/did support this "in one step", as you say.

>> You could maybe make a custom NSView that uses HITheme APIs to draw.
>> Perhaps HIThemeDrawGroupBox() is the right one...
>
>And re-implement the entirety of NSPopUpButtonā€¦ at which point you
>might as well have used NSPopUpButtonCell.

Yup.  Just giving the OP options... There might be something useful in
the .h around HIThemeDrawGroupBox().

Sean
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