43 lines
1.3 KiB
Objective-C
43 lines
1.3 KiB
Objective-C
#import <AppKit/AppKit.h>
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#import <objc/runtime.h>
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@interface NSImageRep(PrivateAPI)
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@property(setter=_setAppearanceName:) NSString *_appearanceName;
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@end
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static NSImage * (*imageNamed)(Class self, SEL _cmd, NSString *name);
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@implementation NSImage(DarkHooks)
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+ (NSImage *)imageNamedWithDark:(NSImageName)name
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{
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NSImage *light = imageNamed(self, _cmd, name);
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if (@available(macOS 10.14, *)) {
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NSImage *dark = imageNamed(self, _cmd, [name stringByAppendingString:@"~dark"]);
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if (!dark) {
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return light;
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}
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NSImage *ret = [[NSImage alloc] initWithSize:light.size];
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for (NSImageRep *rep in light.representations) {
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[rep _setAppearanceName:NSAppearanceNameAqua];
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[ret addRepresentation:rep];
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}
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for (NSImageRep *rep in dark.representations) {
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[rep _setAppearanceName:NSAppearanceNameDarkAqua];
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[ret addRepresentation:rep];
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}
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return ret;
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}
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return light;
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}
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+(void)load
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{
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if (@available(macOS 10.14, *)) {
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imageNamed = (void *)[self methodForSelector:@selector(imageNamed:)];
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method_setImplementation(class_getClassMethod(self, @selector(imageNamed:)),
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[self methodForSelector:@selector(imageNamedWithDark:)]);
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}
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}
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@end
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