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// BlackView.m
//
// You may freely copy, distribute, and reuse the code in this example.
// NeXT disclaims any warranty of any kind, expressed or implied, as
// to its fitness for any particular use.
#import <libc.h>
#import "BlackView.h"
@implementation BlackView
// This is a really simple View that makes the screen totally black
// BackSpace wasn't really designed for this, so oneStep still gets
// invoked. By sleeping, we insure that this doesn't suck too
// many cycles. Has to wake often enough to remain moderately
// responsive to events.
- oneStep
{
usleep(1000000 * 1/2); // sleep a while (yuck!)
// this time should be short enough that BackSpace remains
// somewhat responsive if an event does occur. Unfortunately,
// waking up keeps BackSpace hotter than I would prefer (ie paged in)
return self;
}
- drawSelf:(const NXRect *) rects :(int) rectCount
{
// Actually, this method doesn't have to do anything at all since
// the view is placed in a black window...
return self;
}
- (BOOL) isBoringScreenSaver { return YES; }
@end
These are the contents of the former NiCE NeXT User Group NeXTSTEP/OpenStep software archive, currently hosted by Netfuture.ch.