On 04/10/2009, at 4:35 AM, PCWiz wrote:
I want to create a NSBox or an NSView (doesn't matter which one)
that has rounded corners. Now I know about NSBox's setCornerRadius
method, and using NSBezierPath in an NSView subclass to draw a
rounded rect. The problem with these 2 methods is that even though
the rounded corners are drawn, anything inside the view (e.g. a
table view) does not have rounded corners, only the view itself
does. Is there any workaround for this?
Views are defined by their frame/bounds rectangles. But there's
nothing to stop you from setting a round-cornered clipping path at the
start of your view's drawRect method to clip the view's content to a
round-cornered rect. Since the view draws nothing by default, the fact
that the "real" edge is a rectangle will not be apparent.
- (void) drawRect:(NSRect) updateRect
{
[NSGraphicsContext saveGraphicsContext];
NSBezierPath* roundRectPath = [NSBezierPath bezierPathWithRoundedRect:
[self bounds] xRadius:16 yRadius:16];
[roundRectPath addClip];
// draw the rest of the view's content
[NSGraphicsContext restoreGraphicsState];
}
(warning: typed into Mail)
--Graham
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