NSResponder
E900206
NSResponder is a fundamental Cocoa class that defines the event-handling and responder chain behavior for user interface objects in macOS applications.
All labels observed (1)
| Label | Occurrences |
|---|---|
| NSResponder canonical | 1 |
How this entity was disambiguated
This entity first appeared as the object of triple T11016466 — resolving that mention is where its identity was fixed. The disambiguator weighed these candidate entities and picked the highlighted one (or “None”, minting a new entity). This is how homonymy is resolved: the same surface form can point to different entities.
NED1
Entity disambiguation (via context triple)
gpt-5-mini-2025-08-07
Target entity: NSResponder Context triple: [Application Kit, coreClass, NSResponder]
-
A.
NSView
NSView is the fundamental visual building block for user interfaces in macOS applications, representing a rectangular region responsible for drawing and event handling.
-
B.
NSObject
NSObject is the root base class in Objective-C from which most classes in Cocoa and Cocoa Touch inherit, providing fundamental object behavior such as memory management and message sending.
-
C.
UIApplicationDelegate
UIApplicationDelegate is an iOS application lifecycle protocol that defines methods for responding to app-level events such as launch, termination, and state transitions.
-
D.
NSRunLoop
NSRunLoop is a Core Foundation and Cocoa class that manages event processing loops for threads, scheduling input sources and timers so an application can respond to user actions and system events.
-
E.
macOS Cocoa
macOS Cocoa is Apple’s native object-oriented application framework for building graphical user interfaces on macOS.
- F. None of above. chosen
- G. Unsure - the case is ambiguous/there is not enough information to decide.
NED2
Entity disambiguation (via description)
gpt-5-mini-2025-08-07
Target entity: NSResponder Target entity description: NSResponder is a fundamental Cocoa class that defines the event-handling and responder chain behavior for user interface objects in macOS applications.
-
A.
NSView
NSView is the fundamental visual building block for user interfaces in macOS applications, representing a rectangular region responsible for drawing and event handling.
-
B.
NSObject
NSObject is the root base class in Objective-C from which most classes in Cocoa and Cocoa Touch inherit, providing fundamental object behavior such as memory management and message sending.
-
C.
UIApplicationDelegate
UIApplicationDelegate is an iOS application lifecycle protocol that defines methods for responding to app-level events such as launch, termination, and state transitions.
-
D.
NSRunLoop
NSRunLoop is a Core Foundation and Cocoa class that manages event processing loops for threads, scheduling input sources and timers so an application can respond to user actions and system events.
-
E.
macOS Cocoa
macOS Cocoa is Apple’s native object-oriented application framework for building graphical user interfaces on macOS.
- F. None of above. chosen
Statements (65)
| Predicate | Object |
|---|---|
| instanceOf |
AppKit class
ⓘ
Cocoa class ⓘ Objective-C class ⓘ |
| availableIn | Swift via AppKit bridging ⓘ |
| conformsTo |
NSCoding
NERFINISHED
ⓘ
NSObject NERFINISHED ⓘ NSSecureCoding NERFINISHED ⓘ |
| definedIn | AppKit.framework NERFINISHED ⓘ |
| handles |
action messages
ⓘ
keyboard events ⓘ mouse events ⓘ touch events ⓘ |
| hasMethod |
-acceptsFirstResponder
ⓘ
-becomeFirstResponder ⓘ -doCommandBySelector: ⓘ -flagsChanged: ⓘ -interpretKeyEvents: ⓘ -keyDown: ⓘ -keyUp: ⓘ -mouseDown: ⓘ -mouseDragged: ⓘ -mouseMoved: ⓘ -mouseUp: ⓘ -nextResponder ⓘ -noResponderFor: ⓘ -otherMouseDown: ⓘ -otherMouseUp: ⓘ -performKeyEquivalent: ⓘ -resignFirstResponder ⓘ -rightMouseDown: ⓘ -rightMouseUp: ⓘ -scrollWheel: ⓘ -setNextResponder: ⓘ -touchesBeganWithEvent: ⓘ -touchesCancelledWithEvent: ⓘ -touchesEndedWithEvent: ⓘ -touchesMovedWithEvent: ⓘ -tryToPerform:with: ⓘ -undoManager ⓘ -validateUserInterfaceItem: ⓘ |
| hasProperty |
menu
ⓘ
nextResponder ⓘ undoManager ⓘ |
| headerFile | <AppKit/NSResponder.h> ⓘ |
| introducedBy | Apple Inc. NERFINISHED ⓘ |
| language | Objective-C NERFINISHED ⓘ |
| participatesIn | responder chain ⓘ |
| partOf |
AppKit framework
NERFINISHED
ⓘ
Cocoa NERFINISHED ⓘ |
| platform | macOS ⓘ |
| primaryRole |
event handling
ⓘ
responder chain participation ⓘ |
| superclassOf |
NSApplication
NERFINISHED
ⓘ
NSMenu NERFINISHED ⓘ NSMenuItem NERFINISHED ⓘ NSView NERFINISHED ⓘ NSViewController ⓘ NSWindow NERFINISHED ⓘ NSWindowController NERFINISHED ⓘ |
| supports |
first responder status
ⓘ
key event interpretation ⓘ menu item validation ⓘ undo management integration ⓘ |
| usedFor | user interface objects ⓘ |
| usedIn | macOS applications ⓘ |
How these facts were elicited
The pipeline generated the facts above by prompting gpt-5.1 with this entity's name + description and the instruction below.
Instruction
You are a knowledge base construction expert. Given a subject entity and a description of it, return factual statements that you know for the subject as a JSON list of dictionaries(triples), where keys must be "subject", "predicate" and "object". The number of facts may be very high, between 25 to 50 or more, for very popular subjects. For less popular subjects, the number of facts can be very low, like 5 or 10. # Requirements - If you don't know the subject at all, return an empty list. - If the subject is not a named entity, return an empty list. - Include at least one triple where predicate is "instanceOf". - Do not get too wordy. - Separate several objects into multiple triples with one object.
Input
Subject: NSResponder Description of subject: NSResponder is a fundamental Cocoa class that defines the event-handling and responder chain behavior for user interface objects in macOS applications.
Referenced by (1)
Full triples — surface form annotated when it differs from this entity's canonical label.