custom NSSliderCell

Question

I\'ve sort of accomplised implementing a custom slider cell that can draw over using images for the scroll bar and knob. The only obstacle that is in the way now is this, wh

Answer 1

Ok, so it's figured out. apparently the slider was trying to be smart and draw only where the knob has been. so apparently I have to invalidate the rect all the time by overriding setNeedsDisplayInRect in the slider class.

#import "customSlider.h"

@implementation customSlider
-(void)setNeedsDisplayInRect:(NSRect)invalidRect{
    [super setNeedsDisplayInRect:[self bounds]];
}
@end