cocoa

OSX application without storyboard or xib files using Swift

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if you don’t want to have the @NSApplicationMain attribute, do: have a file main.swift add following top-level code: import Cocoa let delegate = AppDelegate() //alloc main app’s delegate class NSApplication.shared.delegate = delegate //set as app’s delegate NSApplicationMain(CommandLine.argc, CommandLine.unsafeArgv) //start of run loop // Old versions: // NSApplicationMain(C_ARGC, C_ARGV) // NSApplicationMain(Process.argc, Process.unsafeArgv); the rest should be … Read more

How to get the width of an NSString?

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Here’s a relatively simple approach. Just create an NSAttributedString with the appropriate font and ask for its size: – (CGFloat)widthOfString:(NSString *)string withFont:(NSFont *)font { NSDictionary *attributes = [NSDictionary dictionaryWithObjectsAndKeys:font, NSFontAttributeName, nil]; return [[[NSAttributedString alloc] initWithString:string attributes:attributes] size].width; }

How does Apple update the Airport menu while it is open? (How to change NSMenu when it is already open)

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Menu mouse tracking is done in a special run loop mode (NSEventTrackingRunLoopMode). In order to modify the menu, you need to dispatch a message so that it will be processed in the event tracking mode. The easiest way to do this is to use this method of NSRunLoop: [[NSRunLoop currentRunLoop] performSelector:@selector(updateTheMenu:) target:self argument:yourMenu order:0 modes:[NSArray … Read more

How can I both stroke and fill with NSAttributedString w/ UILabel

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Yes, the key is to apply a Negative value to the NSStrokeWidthAttributeName If this value is positive you will only see the stroke and not the fill. Objective-C: self.label.attributedText=[[NSAttributedString alloc] initWithString:@”string to both stroke and fill” attributes:@{ NSStrokeWidthAttributeName: @-3.0, NSStrokeColorAttributeName:[UIColor yellowColor], NSForegroundColorAttributeName:[UIColor redColor] } ]; Thanks to @cacau below: See also Technical Q&A QA1531 Swift … Read more

Using MD5 hash on a string in cocoa? [duplicate]

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Noticed this in the Facebook Connect source code. Looks pretty solid, give it a shot. #import <CommonCrypto/CommonDigest.h> … + (NSString*)md5HexDigest:(NSString*)input { const char* str = [input UTF8String]; unsigned char result[CC_MD5_DIGEST_LENGTH]; CC_MD5(str, strlen(str), result); NSMutableString *ret = [NSMutableString stringWithCapacity:CC_MD5_DIGEST_LENGTH*2]; for(int i = 0; i<CC_MD5_DIGEST_LENGTH; i++) { [ret appendFormat:@”%02x”,result[i]]; } return ret; } …