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Cocoa is Apple's native object-oriented application programming interface (API) for its desktop operating system macOS.. Cocoa consists of the Foundation Kit, Application Kit, and Core Data frameworks, as included by the Cocoa.h header file, and the libraries and frameworks included by those, such as the C standard library and the Objective-C runtime.
RubyCocoa will import the Objective-C classes into the Ruby world on demand. For example, when you access OSX::NSTableView for the very first time in your code, RubyCocoa will retrieve all the necessary information regarding this class from the Objective-C runtime and create a Ruby class of the same name that will act as a proxy.
Grapher is a Cocoa application which takes advantage of Mac OS X APIs. It also supports multiple equations in one graph, exporting equations to LaTeX format, and comes with several pre-made equation examples.
AppKit (formally Application Kit) [1] is a graphical user interface toolkit. It initially served as the UI framework for NeXTSTEP. [2] Along with Foundation and Display PostScript, it became one of the core parts of the OpenStep specification of APIs. Later, AppKit and Foundation became part of Cocoa, the Objective-C API framework of macOS.
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The Cocoa text system (formerly known simply by the primary class name NSText) is the linked network of classes, protocols, interfaces and objects that provide typography and text field editing capabilities and to Cocoa applications on Apple's macOS, where it is the primary text-handling system. [1]
MacRuby supported Interface Builder and shipped with a core library called HotCocoa to simplify Cocoa programming. MacRuby was also used as an embedded scripting language for Objective-C applications. [3] In May 2012, Laurent Sansonetti announced RubyMotion, a port of MacRuby for iOS, OS X and Android. [4]
The application's main event loop asks the Event Manager for an event using GetNextEvent. If there is an event in the queue, the Event Manager passes it back to the application, where it is handled, otherwise it returns immediately. This behavior is called "busy-waiting", running the event loop unnecessarily. Busy-waiting reduces the amount of ...