UILabel+LockFonts.m

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SameBoy	Accurate GB/GBC emulator
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iOS/UILabel+LockFonts.m

      1 #import "UILabel+LockFonts.h"
      2 #import <objc/runtime.h>
      3 
      4 @implementation UILabel (LockFonts)
      5 
      6 - (void)setLocksFonts:(bool)locksFont
      7 {
      8     objc_setAssociatedObject(self, @selector(locksFonts), @(locksFont), OBJC_ASSOCIATION_RETAIN);
      9 }
     10 
     11 - (bool)locksFonts
     12 {
     13     return [objc_getAssociatedObject(self, _cmd) boolValue];
     14 }
     15 
     16 - (void)setFontHook:(UIFont *)font
     17 {
     18     if (self.locksFonts) return;
     19     [self setFontHook:font];
     20 }
     21 
     22 + (void)load
     23 {
     24     method_exchangeImplementations(class_getInstanceMethod(self, @selector(setFontHook:)),
     25                                    class_getInstanceMethod(self, @selector(setFont:)));
     26     
     27 }
     28 
     29 @end

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