Andreas Höschler wrote:
While preparing the stripped down application I figured out that this
has nothing to do with event handling but is indeed a drawing problem.
The stripped down version (subclass of NSView) worked perfectly also
under GNUstep. My ObjectBrowserView was actually a subclass or
NSImageView since I wanted to have a background image. :-) Now this
NSImageView was setup with [_platformObject
setImageScaling:NSScaleToFit]. This turned out to be the problem. After
adding
#ifndef __APPLE__
- (void)setImageScaling:(NSImageScaling)image
{
[super setImageScaling:NSScaleNone];
}
#endif
to my NSImageView subclass the performance problem was gone. Now I have
a rather ugly blue frame around the image but I can at least reasonably
select objects now which is much more important.
On MacOSX (10.2.8) I see no performance problem even with NSScaleToFit.
However, I can live with this solution.
Could you please provide the image in question and the amount to which
you are scaling it up or down (that is the cell size). That way I will
be able to reproduce this problem.
I expect that you are using the art backend on your usual Solaris
machine. Could you please try it once with the xlib backend?
Fred
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