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#import "CustomDelegate.h"
#import <objc/runtime.h>
// part of your application
extern void forward_load_message(const char * filename);
@implementation GLFWCustomDelegate
+ (void)load{
static dispatch_once_t onceToken;
dispatch_once(&onceToken, ^{
Class class = objc_getClass("GLFWApplicationDelegate");
[GLFWCustomDelegate swizzle:class src:@selector(application:openFile:) tgt:@selector(swz_application:openFile:)];
[GLFWCustomDelegate swizzle:class src:@selector(application:openFiles:) tgt:@selector(swz_application:openFiles:)];
});
}
+ (void) swizzle:(Class) original_c src:(SEL)original_s tgt:(SEL)target_s{
Class target_c = [GLFWCustomDelegate class];
Method originalMethod = class_getInstanceMethod(original_c, original_s);
Method swizzledMethod = class_getInstanceMethod(target_c, target_s);
BOOL didAddMethod =
class_addMethod(original_c,
original_s,
method_getImplementation(swizzledMethod),
method_getTypeEncoding(swizzledMethod));
if (didAddMethod) {
class_replaceMethod(original_c,
target_s,
method_getImplementation(originalMethod),
method_getTypeEncoding(originalMethod));
} else {
method_exchangeImplementations(originalMethod, swizzledMethod);
}
}
- (BOOL)swz_application:(NSApplication *)sender openFile:(NSString *)filename{
forward_load_message(filename.UTF8String);
return YES;
}
- (void)swz_application:(NSApplication *)sender openFiles:(NSArray<NSString *> *)filenames{
forward_load_message(filenames.firstObject.UTF8String);
}
@end
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