On Nov 12, 2010, at 11:47 AM, Eric Gorr wrote:
> I have changed the contentView of my NSWindow to be a NSView which return YES
> for isFlipped.
>
> If I place a NSButton in the contentView of a window, I can do the following:
>
> NSRect r = [view frame];
> NSPoint origin;
>
> origin = [view convertPoint:NSZeroPoint toView:[[view window]
> contentView]];
>
> The r.origin will say something like ( 20, 14 ) and, when I convert the
> point, I get back what one would expect ( 20, 14 ).
>
> The problem comes when I try to place a NSImageView in that same content view.
>
> The r.origin will say something like ( 20, 14 ), but, when I convert the
> point, I get back ( 20, 78 ). (The NSImageView is 64x64)
>
> I am confused as to why this would be happening. Anyone have an idea?
>
> I should be able to easily provide some sample code if that is required in
> this case.
I have answered my own question. This solves the problem:
NSPoint originPoint = NSZeroPoint;
if ( ![view isFlipped] )
{
originPoint.y = NSHeight( r );
}
origin = [view convertPoint:originPoint toView:[[view window]
contentView]];
It looks like the NSButton picks up the isFlipped property of the contentView,
but the NSImageView does not.
So, I need to take this into account before attempting to convert the point.
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