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Cocotron For Mac카테고리 없음 2020. 2. 15. 16:10
Don't ask developer Christopher Lloyd about Back to the Future - that's the other guy. This Lloyd does have a mad-scientist-like devotion to the Mac platform's application programming interface (API), though, and he is sharing it through the open source Cocotron project, which developers can use to cross-compile Cocoa applications from the Mac for use on Windows, and eventually Linux. Lloyd's involvement in Cocoa actually predates Cocoa itself, going all the way back to his days writing mainframe apps for the operating system.
Jan 12, 2011 - cocotron could someone help me? I am currently using xcode 3.25 i double click install.sh and it opens it up in xcode. It just opens the file in.
When the specification came out, he says, he knew he would need a compatibility wrapper to migrate the NeXTSTEP code - so he wrote it himself. 'I was and still am pretty hooked on Objective-C,' he says. 'Java was really taking off then and OpenStep was one of the few things going for Objective-C at the time.' NeXT's OpenStep became Mac OS X's, which then eventually became Cocoa. All the while, Lloyd was tracking the changes and adding to his personal project.
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He took it public in December, naming it and putting in under the. 'I think the license is a strong point. It can be used in closed source systems and you can integrate closed source with it and never have to distribute changes. If you enjoy working with Cocoa on the Mac but would like to be on Windows someday, the Cocotron is a good place to start.' The implements two important Apple frameworks:. The Cocotron Web site also distributes a package called (CDT) containing gcc, some GNU utilities, and the utilities for Windows, all bundled for Apple's development environment.
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Using CDT, XCode can be set up to cross-compile existing Cocoa applications from the Mac for use on Windows. Lloyd decided to target Windows systems first, in an effort to appeal to more programmers. The platform-specific parts of Cocotron's AppKit implementation are still lagging for Linux, a situation Lloyd hopes will improve as additional developers discover the project and contribute code. Some have already discovered Cocotron, and want to know why Lloyd chose to go it alone rather than join the project.
Compiling Cocotron Foundation Framework for Ubuntu 12.04 February 20th, 2013 2 Comments Objective-C, Tutorials This article is an updated step by step guide on how to compile the Cocotron toolchain and Foundation framework for Ubuntu 12.04 (32 bit). Design of a multi-platform app using The Cocotron. April 21, 2010 by Matt Gallagher. You might also want to remove the custom button drawing that The Cocotron uses to simulate the different Mac OS button styles and instead revert to natively drawn buttons where appropriate.
The answer is two-fold. First, as part of the, GNUstep code is licensed under the GPL and LGPL. Lloyd wants to make his project attractive to commercial developers as well, so he licensed it under the MIT license, which makes sharing code between the two projects incompatible.
Second, although GNUstep does follow some of the changes to Apple's Cocoa, its primary goal is implementing the OpenStep specification. Cocotron exists to follow Cocoa as closely as possible. It is clear that in both cases, Lloyd's driving principle is making Cocotron bridge the gap between Mac OS X and Windows programmers.
'I am more interested in making Cocoa an approachable technology. One of the problems the Mac has is that it ends up with lame-o ports from Windows. If we can turn the situation around, where people are using Cocoa and then porting to Windows with Cocotron, then in a roundabout way make the Mac and Cocoa more acceptable technologies.' At this stage, Cocotron is far from complete. In fact, when I asked Lloyd what he would say to a Mac developer looking to port applications to Linux or Windows today, he readily admitted that GNUstep is the way to go.
But the fledgling (as Lloyd calls it) is focused on fleshing out the missing pieces of the framework so that it is useful for cross-platform developers. In the short term, Lloyd is putting his energy into porting existing open source Mac development tools to Cocoa - calling it a good way to iron out bugs and a good motivation for filling in blanks. In the long term, though, he hopes the project will open up new platforms for a generation of Cocoa developers currently writing their software only for Mac OS X.
I have doubts about cocotron. Its not clear from the cocotron website that cocotron is actually production ready yet. Id suspect that it would be possible to start new app development and use cocotron constantly to maintain and test windows builds on the go. But to retrofit it into an existing project might be a much larger task. There are also no alternatives to cocotron - other than perhaps gnustep. The practical approach to cross platform development involves developing the non gui components of your application, once, in C or C. And then using a cross platform GUI library like QT - which is VERY good at generating and using native UI where possible or faking it where not.
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Please DO go to qt.nokia.com and download the latest build of QTCreator for windows and mac - See how the same QT application looks and feels very convincingly native on both platforms. If QT doesn't provide a native enough solution, then you need to develop your GUI twice:- once in Cocoa, and once in Win32. The cocoa GUI would be in objective C of course, the Win32 GUI in C/C. Your non gui application code would - written in c - not be able to call Objective-C directly, but its not hard to write shim classes, implemented in.mm files - the provide a c interface, and wrap access to an objective c object or class. You are also going to have to come up with an alternative to CoreData on windows - perhaps sqlite? Given that XCode has integrated support for the sqlite framework, and testing multiple code paths is, well, more work - perhaps dropping CoreData in favor of a common layer is a better approach?