Hi all, I Have an interesting little problem, thought I’d throw it out there and see if it stirs up any discussion…. Graphics app, wherein the user can draw stuff - arbitrary vectors on a canvas. My b

I have been using the following code to determine if a system is set to 12hr or 24hr time for sometime… NSString *formatStringForHours = [NSDateFormatter dateFormatFromTemplate:@"j" options:0 locale:[

I have a certain group of selectors that all follow a strict naming convention, -(Status)parseXYZ -(Status)parseRST All have one line that does the same thing and return a scalar (enum) as a result. E

The action name is part of the “view” layer in model-controller-view architecture. But most of the actual undoable ’stuff’ is in the model. So I usually set the action name at the top level action met

As usual, the answer was staring me in the face. The old code was synchronous, the new is asynchronous. I was restoring the view after the call to -dragImage… because that used to keep control until t

Hi all, I’m updating some legacy code that currently uses the ‘classic’ way to drag stuff, namely [NSView dragImage:at:offset:event:pasteboard:source:slideBack:]; This code has been deprecated forever

I need to determine whether I am drawing into a CGPDFContext or a different context at runtime. In AppKit, I can use [NSGraphicsContext currentContextDrawingToScreen], but this is code that is passed

I have a CoreData-based app where I am experimenting with inter-device synchronization using iCloudKit. At the moment, I am running in Development mode and am using an iPad and a MacCatalyst app as th

I needed to add many attributes to my CoreData model. Filling in these attributes will happen during migration of old docs, which means loading all the files that each asset points to. Since it can ta

macOS 15.4; Xcode Version 11.4 (11E146) I have a window with a WkWebView. This WkWebView should handle a special scheme. The only way to do this that I know of, is: @IBOutlet var wkWebView: WKWebView!

I've noticed that the vertical scrollbar in the scroll view for my collection view is wrong after app restoration. This happens if the full collection (via CoreData) has, say 1000 items in it, then I

I’m going through Chris Eidhof’s Core Data tutorial here https://www.objc.io/issues/4-core-data/full-core-data-application/ and noticed something that ends up creating a build error directly after cre

iOS 13+, Xcode 11.4.1, Storyboard-based application. I am using a navigation stack to manage some data edits. That is, • nav-controller root is a list of items. • tap on item to segue to a detail pane

Hi, I see that the old AppleScript list that was hosted by Apple is no more, does anyone know of an alternative? Thanks a lot Dave

I am getting a crash, but only in the release version. I get a very helpful "Error 1" if I try to debug the release version, and logging doesn't get me anything, as the crash prevents the log entry fr

Hi all, I have a problem with controls in a sheet-modal window. The button control’s target and action are set up to call a method in File’s Owner, which is a NSWindowController subclass that owns the

Can you take a look at this for me? I think I’ve been cooped up at home too long, because whatever is going on, I’m missing it. Context: I’m working on a data import function for a new app. It looks l

Kurt, The menu key equivalents are pulled out before -keyDown: is called. You can override that event in -performKeyEquivalent:, a methof of NSResponder (and therefore views, etc). You can probably ca

macOS 15.4 I have a SwiftUI ContentView, which contains a few vertically stacked Views. For one of these I need the following functionality: when the mouse moves inside the view, or when the view is c

Ran into an interesting issue today… Mac app Xcode 9.4.1, 32bit, 10.12 SDK, 10.6 Deployment Target non-sandboxed app I am opening an NSSavePanel to allow a user to save the results of a report that is