It seems that bitmapImageRepForCachingDisplayInRect does not include
the focus ring (I am using bitmapImageRepForCachingDisplayInRect on an
NSView that encloses other views including the currently
firstResponder NSTextField, so the focus ring is displayed on screen
and is well within the bounds of the view passed to
bitmapImageRepForCachingDisplayInRect. The NSTextField is included in
the resulting image with the text highlighted in blue, so it knows it
is the active first responder. But for some reason, the focus ring
does not display.
I get the same results with another custom view that draws the focus
ring with
NSSetFocusRingStyle( NSFocusRingOnly );
[[NSBezierPath bezierPathWithRect:focusRect] fill];
and the view shows up, selected and highlighted, but the focus ring
does not show up.
Has anyone got a work around for this. I'm not even sure if this is
working as designed or a bug in bitmapImageRepForCachingDisplayInRect
(it seems odd that it displays the views selected but somehow avoids
the drawn focus ring).
Thanks,
Peter.
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