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POHow do I convert a complex C++ XCode project to a Cocoa app?
 

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  1. POHow do I convert a complex C++ XCode project to a Cocoa app?
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    <p>I have the source code to a relatively complex C++ application that involves lots of libraries, dependencies, etc. I am trying to take it and add a Cocoa GUI to it. I have failed so far at the following :</p> <ul> <li>Create a new Cocoa xcodeproj and try to move all the libraries, etc. into the Cocoa app. I just can't get it to build. Thousands of errors no matter what I do. My skill here is just not good enough to figure out what's going on.</li> </ul> <p>So, I am thinking that an easier method must be to make the appropriate changes to the C++ xcodeproj in order to make the main() function launch an NSApplication instead of whatever it is doing right now.</p> <p>Does anyone know what I would have to do, precisely, to make this happen? I am new to Cocoa so I am unsure of what I would have to add. For reference, the main.cpp of the C++ app is actually really simple:</p> <pre><code>int main() { ofSetupOpenGL(320,300, OF_WINDOW); ofRunApp(new testApp()); } </code></pre> <p>What I'd like to do is make all the right changes so this can be:</p> <pre><code>#import &lt;Cocoa/Cocoa.h&gt; int main(int argc, char *argv[]) { return NSApplicationMain(argc, (const char **) argv); } </code></pre> <p>And have the old xcodeproj compile with all the "stuff" still in it, and then when it is run, open up the Cocoa window.</p> <p>It should be noted that the C++ xcodeproj appears to have absolutely nothing Cocoa-related, or even Objective-C related in it, so we'll have to add everything that is relevant and make all relevant changes.</p> <p>Any ideas?</p> <p>(Or, alternatively, if you know how I might easily get all the stuff from the C++ xcodeproj to build in a squeaky clean Cocoa xcodeproj, let me know, but this seems more complex to me at the moment.)</p> <p>Thanks!</p>
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    1. COAdded Xcode tag for relevance.
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    2. CO@MikeC8, are you using Objective-C++ ??? If not, then nothing is going to work. If you are using Obj-C++, then you need to change your files over to `.mm` instead of `.cpp`. Also, try this reading material [here](http://en.wordpress.com/tag/cvsobjc/) there's really no good guides on Obj-C++.
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      1. POHow do I convert a complex C++ XCode project to a Cocoa app?
      1. USStephen Furlani
    3. COI don't care what I use, I just want to get these C++ functions into a Cocoa app :)
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