Using draggingEntered, draggingExited, concludeDragOperation, what's
the best way to draw a focus ring just inside the edge of my window
(content area)?
Here's my solution: I moved all my drag and drop functions from my
NSWindow subclass to an NSView subclass. I set up this class to be
the NSWindow's content view in IB.
In draggingEntered, draggingExited, concludeDragOperation I set a
state variable named 'drawFocusRing' as YES, NO, and NO, respectively
and then call -display on the view. Then in the drawRect in the view
I do:
if (drawFocusRing) {
NSSetFocusRingStyle(NSFocusRingOnly);
NSRectFill(rect);
}
}
Seems to work well enough.
Best,
Sanford
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