I recently discovered a very interesting event type:
kEventAppearanceScrollBarVariantChanged.
We use it when the user has modified the scrollbar type in in the
preferences, and this event helps us to update in runtime the frame
containing a scrollbar. Really usefull :-)
Now,I have two questions:
First,do other kEventAppearance(whatever) events exist ? I have
grep'ed all the doc , all headers, and so far, .. if found
nothing :-/
No, there are no other Carbon events, but there are AppleEvents; see
the top of Appearance.h.
As summary: we know how read the color we need, but how retrieve the
information when the "Contrast Color" has been modified ? A
kEventAppearance_something would be ... perfect :-)
I think you can use an AppleEvent handler for kAppearanceEventClass/
kAEAppearanceChanged.
-eric
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