cog/Window/TimeField.m

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//
// TimeField.m
// Cog
//
// Created by Vincent Spader on 2/22/09.
// Copyright 2009 __MyCompanyName__. All rights reserved.
//
#import "TimeField.h"
static NSString *kTimerModeKey = @"timerShowTimeRemaining";
NSString *formatTimer(long minutes, long seconds, unichar prefix, int padding) {
NSString *paddingChar = [NSString stringWithFormat:@"%C", (unichar)0x2007]; // Digit-width space
NSString *paddingString = [@"" stringByPaddingToLength:padding withString:paddingChar startingAtIndex:0];
return [NSString localizedStringWithFormat:@"%@%C%lu:%02lu", paddingString, prefix, minutes, seconds];
}
@implementation TimeField {
BOOL showTimeRemaining;
NSDictionary *fontAttributes;
}
- (void)awakeFromNib {
CGFloat fontSize = 11.0;
if(@available(macOS 10.14, *)) {
fontSize = 13.0;
}
showTimeRemaining = [[NSUserDefaults standardUserDefaults] boolForKey:kTimerModeKey];
NSFontDescriptor *fontDesc = [[NSFont systemFontOfSize:fontSize] fontDescriptor];
NSDictionary *fontFeatureSettings = @{ NSFontFeatureTypeIdentifierKey: @(kNumberSpacingType),
NSFontFeatureSelectorIdentifierKey: @(kMonospacedNumbersSelector) };
NSDictionary *fontFeatureAttributes = @{ NSFontFeatureSettingsAttribute: @[fontFeatureSettings] };
fontDesc = [fontDesc fontDescriptorByAddingAttributes:fontFeatureAttributes];
NSFont *font = [NSFont fontWithDescriptor:fontDesc size:fontSize];
fontAttributes = @{ NSFontAttributeName: font };
[self update];
}
static int _log10(long minutes) {
int ret = 1;
while(minutes >= 10) {
minutes /= 10;
ret++;
}
return ret;
}
- (void)update {
NSString *text;
if(showTimeRemaining == NO) {
long sec = self.currentTime;
long sectotal = self.duration;
int minutedigits = _log10(sec / 60);
int otherminutedigits = _log10(sectotal / 60) + 1; // Plus hyphen
int padding = MAX(0, otherminutedigits - minutedigits);
text = formatTimer(sec / 60, sec % 60, 0x200B, padding); // Zero-width space
} else {
long sec = MAX(0, self.duration - self.currentTime);
long sectotal = self.duration;
int minutedigits = _log10(sec / 60) + 1; // Plus hyphen
int otherminutedigits = _log10(sectotal / 60) + 1; // Also plus hyphen
int padding = MAX(0, otherminutedigits - minutedigits);
text = formatTimer(sec / 60, sec % 60, 0x2212, padding); // Minus
}
NSAttributedString *string = [[NSAttributedString alloc] initWithString:text
attributes:fontAttributes];
[self setAttributedStringValue:string];
}
- (void)mouseDown:(NSEvent *)theEvent {
showTimeRemaining = !showTimeRemaining;
[[NSUserDefaults standardUserDefaults] setBool:showTimeRemaining forKey:kTimerModeKey];
[self update];
}
- (void)setCurrentTime:(NSInteger)currentTime {
_currentTime = currentTime;
[self update];
}
@end