Return to BlackView.m CVS log

Up to [NeXTSTEP 3.3 examples] / Examples / AppKit / Backspace

Annotation of Examples/AppKit/Backspace/BlackView.m, revision 1.1

1.1     ! root        1: //  BlackView.m
        !             2: //
        !             3: //  You may freely copy, distribute, and reuse the code in this example.
        !             4: //  NeXT disclaims any warranty of any kind, expressed or  implied, as to its
        !             5: //  fitness for any particular use.
        !             6: 
        !             7: 
        !             8: #import "BlackView.h"
        !             9: #import <math.h>
        !            10: #import <libc.h>
        !            11: #import <dpsclient/wraps.h>
        !            12: 
        !            13: @implementation BlackView
        !            14: 
        !            15: // This is a really simple View that makes the screen totally black
        !            16: // BackSpace wasn't really designed for this, so oneStep still gets
        !            17: // invoked.  By sleeping, we insure that this doesn't suck too
        !            18: // many cycles.  Has to wake often enough to remain moderately
        !            19: // responsive to events.
        !            20: 
        !            21: - oneStep
        !            22: {
        !            23:        usleep(1000000 * 1/2 );                 //sleep a while (yuck!)
        !            24:        // this time should be short enough that BackSpace remains
        !            25:        // somewhat responsive if an event does occur.  Unfortunately,
        !            26:        // waking up keeps BackSpace hotter than I would prefer (ie paged in)
        !            27: 
        !            28:        return self;
        !            29: }
        !            30: 
        !            31: - drawSelf:(const NXRect *)rects :(int)rectCount
        !            32: {
        !            33:        //Actually, this method doesn't have to do anything at all since
        !            34:        // the view is placed in a black window...
        !            35: 
        !            36:        return self;
        !            37: }
        !            38: 
        !            39: - (BOOL)isBoringScreenSaver
        !            40: {
        !            41:        return YES;
        !            42: }
        !            43: 
        !            44: @end

This archive runs on limited infrastructure. Preserving old code on modern bandwidth. Automated agents are requested to crawl responsibly.