cocoa

问题 I can get the front most application, how do I get the path for the front most document? 回答1: There isn't a way to do this for any app. Apps don't always have documents. If an app supports the standard AppleScript document model, you can do it with AppleScript. For example, tell application "TextEdit" set foo to the path of the first document end tell 来源： https://stackoverflow.com/questions/5976152/cocoa-question-how-to-get-file-path-for-current-open-document-for-the-front-mos

问题 I'm writing simple swift command line tool application that automates some of my iOS Dev work. Everything is working except one thing - calling xcodebuild script. My method looks like this: func runTest(deviceName: String, os: String) { killAllSimulators() let sdk = "iphonesimulator" let destination = "platform=iOS Simulator,name=" + deviceName + ",OS=" + os let arguments = ["-workspace", workspace, "-scheme", scheme, "-sdk", sdk, "-destination", destination, "test"] executor.executeCommand(

问题 This question already has answers here : File write with [NSBundle mainBundle] fails (5 answers) Closed 6 years ago . When i try to write to file with this code: NSString *path = [[NSBundle mainBundle] pathForResource:@"default" ofType:@"txt"]; NSError *error = nil; NSString*s = @"some text"; BOOL successful = [s writeToFile:path atomically:YES encoding:NSUTF8StringEncoding error:&error]; NSLog(@"%@",error); NSLog(@"%d",successful); Nothing happens. NSLog says: (null) 1 回答1: That's because

问题 I'd like to make something like this (on the new iTunes): As you can see when the row is selected it's "highlight" state is a round cornered row. How can I achieve something like this? 回答1: You need to subclass NSTableview and override -highlightSelectionInClipRect: method. It can be done like this: Change your tableView's highlighting mode from regular to Source list in Attributes Inspector : And now subclass NSTableView like this: -(void)highlightSelectionInClipRect:(NSRect)theClipRect {

问题 I'm using an AFNetworking client object which makes an asynchronous request for an XML document and parses it. Also using NSNotificationCenter to post a notification when the document has finished parsing. Is there a way to wait for a notification to be posted without blocking the main thread? E.g code: -(void)saveConfiguration:(id)sender { TLHTTPClient *RESTClient = [TLHTTPClient sharedClient]; // Performs the asynchronous fetching....this works. [RESTClient fetchActiveUser:

问题 in a model like this: class Order : RLMObject { dynamic var orderId = "" // ... other fields } class Product: RLMObject { dynamic var productId = "" dynamic var productName = "" } // This class relates products to orders, so an order may have multiple products and // a product may appear in multiple orders class OrderedProduct : RLMObject { dynamic var order: Order dynamic var product: Product dynamic var quantity: 1 } Question: How do I select all products that are not part of an order? here

问题 I've had some trouble implementing some shortcuts in a document based application (i.e. Bold, Italic etc) available here: Connecting Menu Items in Document Based Applications The issue is that the method described disconnects the actual 'Bold' menu item from the Font Manager, and replaces it with my action I created (in this case, boldIt ). Because there can be only one sent action, it is replaced, not added. How can I overcome this? Very frustrating. If anyone can help me I would greatly

问题 I have a window like this, having 3 subviews, each one of them has button. On click of those- I need to show sheet. By using this code, sheet comes in centre of the window. - (IBAction)closeSubWindow:(id)sender{ [NSApp endSheet:self.subWindow]; [self.subWindow orderOut:nil]; } - (IBAction)showSubWindow:(id)sender { [NSApp beginSheet:self.subWindow modalForWindow:self.window modalDelegate:self didEndSelector:nil contextInfo:nil]; } Is there any option or way to show the sheet at specific co

问题 In iOS projects I do something like that: tableView.rowHeight = UITableViewAutomaticDimension tableView.estimatedRowHeight = 30 and have nicely resizing cells. What should I do to reproduce the same behaviour in macOS project? Ok, func tableView(_ tableView: NSTableView, heightOfRow row: Int) -> CGFloat . Should I configure my SubView (cell view) (that actually is NSView) twice... In both methods - heightOfRow and viewFor tableColumn ? I heard about reusing of cells, but can it be done

问题 In my Cocoa application I need to run another application with root permissions, but it doens't work! NSTask doesn't have needed rights. AuthorizationCreate section is where i get needed permissions. Running NSTask is the section where I running another application. myStatus returns errAuthorizationSuccess. Here is the code //Authorization Create AuthorizationRef myAuthorizationRef; OSStatus myStatus; myStatus = AuthorizationCreate (NULL, kAuthorizationEmptyEnvironment,