I've just started using CoreAnimation for fading views and simple things like
that but now I've run across a problem with NSScroller.
In a view which is layer backed (setWantsLayer is on) I have a NSScrollView
with a custom NSScroller subclass which performs drawing in drawRect:. When the
root views setWantsLayer is on the drawRect: method of the NSScroller subclass
is never called. The docs did say drawRect: will not be invoked in layer backed
views but I'm confused because another NSView subclass in the same layer backed
view is getting drawRect: invoked.
Either way, from what I know about CoreAnimation I probably need to make a
CALayer to replace the layer which (presumably) NSScroller is using since
drawRect: is not being invoked. However, making a new CALayer (setting it to
the NSScroller with setLayer) and overriding drawInContext: is not replacing
the original NSScroller drawing.
Does anyone know how I can acheive custom drawing of the NSScroller in the
layer backed view?
Thanks for any ideas you may have.
Regards,
Ryan Joseph
thealchemistguild.com
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