PDP-8-E-Simulator/Utilities/PaperTapeProgressIndicator.m
2018-05-26 15:52:10 +12:00

83 lines
1.8 KiB
Objective-C

/*
* PDP-8/E Simulator
*
* Copyright © 1994-2015 Bernhard Baehr
*
* PaperTapeProgressIndicator.m - Progress indicator for the paper tape reader and punch
*
* This file is part of PDP-8/E Simulator.
*
* PDP-8/E Simulator is free software: you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by
* the Free Software Foundation, either version 3 of the License, or
* (at your option) any later version.
*
* This program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with this program. If not, see <http://www.gnu.org/licenses/>.
*/
#import <Cocoa/Cocoa.h>
#import "PaperTapeProgressIndicator.h"
@interface NSProgressIndicator (HeartBeat)
- (void) heartBeat:(id)sender; // Apple internal method for the animation
@end
@implementation PaperTapeProgressIndicator
- (void) animateForSeconds:(NSTimeInterval)seconds
{
[self startAnimation:self];
if (stopAnimationTimer)
[stopAnimationTimer
setFireDate:[NSDate dateWithTimeIntervalSinceNow:seconds]];
else
stopAnimationTimer = [NSTimer scheduledTimerWithTimeInterval:seconds
target:self selector:@selector(stopAnimation:) userInfo:nil repeats:NO];
}
- (void) incrementAndAnimate
{
[self incrementBy:1];
[self animateForSeconds:1];
}
- (void) startAnimation:(id)sender
{
isAnimating = YES;
[super startAnimation:sender];
}
- (void) stopAnimation:(id)sender
{
isAnimating = NO;
[stopAnimationTimer invalidate];
stopAnimationTimer = nil;
[super stopAnimation:sender];
}
- (void) heartBeat:(id)sender
{
if (isAnimating)
[super heartBeat:sender];
}
@end