Thanks for the insight guys. Fortunately I've solved my problem by adding a 1 pixel bitmap. going down the rabbit-hole of trying to fix the underlying problem in the Cocoa widget is beyond my skill.
Stephen On Thu, 4 Dec 2014 at 11:48, Neil Van Dyke <n...@neilvandyke.org> wrote: > Antony Blakey wrote on 12/03/2014 10:09 PM: > > I'm responsible for the Native L&F for VisualWorks Smalltalk (which is > entirely synthetic), and it's a big deal for many of our customers. Even on > Windows. > > Very glad to see a VisualWorks person here! > > (Not everyone knows, but VisualWorks began pushing the envelope of > emulating native GUI look&feel starting circa 1990. IIRC, you could be > on your Sun workstation, and switch your VW image between different L&Fs > quickly -- a list something like Open Look, Motif, MS Windows, MacOS, > and the classic Smalltalk-80. VW was already doing this back when even > big-name technical workstation apps didn't even try, and just used a > look&feel specific to the app on every platform -- AutoCAD, Interleaf, > sorta FrameMaker, etc. Of course, as Antony says, native L&F is harder > nowadays, especially since users have become very sensitive to the > nuances.) > > Neil V. > > ____________________ > Racket Users list: > http://lists.racket-lang.org/users >
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