All Questions
Tagged with objective-c cocoa
18,436
questions
0
votes
1
answer
27
views
Override NSManagedObject getter/setter to modify data
I have an NSManagedObject class that stores, among other things, a JSON string that comes from a WkWebView form. The form in the web view allows the user to add images to the form; when the form is ...
- 2,522
0
votes
1
answer
22
views
NSTableView Loses Focus After Calling editColumn [duplicate]
I have an NSTableView where the user clicks a button to add a new row. This goes to an IBAction that inserts an object in the NSArrayController and then uses editColumn:row:withEvent:select: to put ...
- 119
1
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0
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73
views
uncaughtExceptionHandler failed to catch exceptions in objective-c on Mac OS
Hi and I'm working on handling exceptions in an app.
My exception handler code is as below.
In AppDelegate.h
@interface AppDelegate : NSObject <NSApplicationDelegate>
static void ...
- 35
-2
votes
1
answer
66
views
Is it possible to change behavior and attributes of the window of an NSPopover? [closed]
I am sorry - I do not understand what is missing in my question. I think it is fully loaded with all the needed details - but I'll try to appease the moderator here with more info.
MacOS Cocoa app ...
- 2,170
0
votes
1
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58
views
How to open file with a specific Application Bundle?
I wrote an application in Qt for macOS & Windows. Now we want to communicate with that app from the browser using custom protocols. As it seems not possible to add this to Qt I tried to build a ...
- 12.1k
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44
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MacOS App: How do we launch bundled helper program from main application?
I would like to achieve simple thing but struggling for the whole day. :(
I made a simple macOS app. In AppDelegate, applicationDidFinishLaunching, I would like to execute a helper program which is ...
- 23
1
vote
1
answer
52
views
In what context can we use an unqualified #selector() expression in Swift?
The Swift equivalent of Objective-C's @selector() expression, is #selector(). In Xcode, the Objective-C, @selector() expression will offer autocompletions for all available selectors and the selector ...
- 13
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51
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I would like to know why I’m not getting IBOutlets connected in an App’s window
The results are pretty easy to replicate.
Create a new Xcode project called TestWindow.
XIB not storyboard.
Objective-C
Set the project’s scheme to turn off Metal API validation.
Set Build Options to ...
- 31
0
votes
1
answer
28
views
initialization order with delegates and multiple view controllers is not working
I am trying to build a program where the MainController uses a delegate to pass data into a table inside TableViewController. I think I've initialized it correctly but LoadSN() does not trigger the ...
- 129
0
votes
1
answer
40
views
Delegate does not trigger method
I've looked at other delegate questions but there weren't any good existing answers. Everything should be set up properly, I can see my slider will change value in logs. For some reason, the delegate ...
- 129
0
votes
1
answer
68
views
No file access permission for Cocoa app but works with command line app
If I create a command line tool project and run something like:
NSError *error = nil;
NSFileManager *fileManager = [NSFileManager defaultManager];
if(![fileManager createDirectoryAtPath:@"/vault/...
- 129
1
vote
0
answers
39
views
NSOpenPanel allows a file's selection on the first invocation but not the second possibly due to an inode change
I have a java swing app that calls NSOpenPanel two times. The first time, it allows a file to be selected. When NSOpenPanel's [Open] button is clicked, the app changes the file that was selected such ...
- 3,200
5
votes
3
answers
224
views
How to prevent automatic State Restoration if the app was launched to open specific documents?
I have implemented State Restoration in my AppKit (Cocoa) app. That works.
However: If the user opens the app by double clicking a document file saved by the app, then I want the app not to restore ...
- 11.8k
1
vote
0
answers
106
views
How can I tell NSOpenPanel to respect the ⌘A (select all items) key binding?
MacVim is a macOS application with a file open dialog that calls NSOpenPanel with a simple view to show hidden files (see MMAppController.m's fileOpen method and Miscellaneous.m's showHiddenFilesView ...
- 3,200
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0
answers
87
views
sharingType property for NSWindow works but property value is not updated correctly
I am trying to cut off my window from the screenshot on macOS. It is working perfectly fine.
But when I am trying to get its value, which I was setting for sharingType (NSWindowSharingNone or ...
- 1,057