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<!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Strict//EN" "http://www.w3.org/TR/xhtml1/DTD/xhtml1-strict.dtd">
<html xmlns="http://www.w3.org/1999/xhtml" lang="en" xml:lang="en">
<head>
<title>RandomApp with Nib File</title>
<meta http-equiv="content-type" content="text/html; charset=utf-8" />
<meta content="37.444542, -122.161050" name="ICBM" />
<link media="all" href="/stylesheets/nu.css" type ="text/css" rel="stylesheet" />
</head>
<body>
<div id="container">
<div id="header">
<div style="float:left; margin-right:10px">
<img src="/files/recycle-s.png" height="50" alt="recycling symbol" />
</div>
<div style="float:left">
<h1><a href="/">Programming Nu</a></h1>
<h3><a href="https://github.com/programming-nu">github.com/programming-nu</a></h3>
</div>
</div>
<div id="content">
<div class="atomentry">
<div class="content" style="margin-bottom:10px">
<p><img src="/files/randomapp.png" alt="screen shot" /></p>
<h1>RandomAppWithNibFile</h1>
<h2>Aaron Hillegass' RandomApp using a Nib File</h2>
</div>
<div class="extended">
<p>Here is another version of the RandomApp program from Aaron Hillegass'
<a href="http://www.rubycocoa.com/book_review/cocoa-programming-for-mac-os-x">Cocoa Programming for Mac <span class="caps">OS X</span></a>. Instead of constructing the user interface directly in Nu, it loads it from a Nib file.</p>
<p>If you already have Nu installed, you can find it in /usr/local/share/examples/RandomAppWithNibFile.</p>
<p>From inside the example directory, build and run the example with <code>nuke run</code>. It will load a nib file containing a window definition; that definition includes the two buttons and text field that make the RandomApp interface. The button actions are set in the nib file to the <strong>seed:</strong> and <strong>generate:</strong> methods, which are implemented in the Nu source, and the text field is connected to the textField outlet, which is declared in the Nu source as an instance variable (ivar) of the RandomAppWindowController class.</p>
<p>All the Nu code for the application fits in one file and is listed below.</p>
<pre>
;; main.nu
;; Aaron Hillegass' RandomApp example, the nib way.
;; a how-to for cooking with Nu and Cocoa.
;;
;; Copyright (c) 2007 Tim Burks, Neon Design Technology, Inc.
(load "Nu:nu") ;; basics
(load "Nu:cocoa") ;; cocoa definitions
;; the window controller loads and manages the window.
;; you can have as many of these running at the same
;; time as you want.
(class RandomAppWindowController is NSWindowController
;; you need this to complete the outlet connection in the nib.
(ivar (id) textField)
(imethod (id) init is
(self initWithWindowNibName:"Random")
((self window) makeKeyAndOrderFront:self)
self)
(imethod (void) seed: (id) sender is
(NuMath srandom:
((NSCalendarDate calendarDate) timeIntervalSince1970))
(@textField setStringValue:"generator seeded"))
(imethod (void) generate: (id) sender is
(@textField setIntValue:(NuMath random))))
;; the application delegate sets up your app once Cocoa
;; has finished initializing itself.
(class ApplicationDelegate is NSObject
(imethod (void) applicationDidFinishLaunching: (id) sender is
(set $windows (NSMutableArray array))
(10 times:
(do (i)
(let ((controller
((RandomAppWindowController alloc) init)))
((controller window) setTitle:
"#{(+ i 1)}. Yes, I can load nibs with Nu.")
($windows << controller))))))
;; install the delegate and keep a reference to it since the
;; application won't retain it.
((NSApplication sharedApplication) setDelegate:
(set delegate ((ApplicationDelegate alloc) init)))
;; this makes the application window take focus when we've
;; started it from the terminal (with "nuke run", for example).
((NSApplication sharedApplication) activateIgnoringOtherApps:YES)
;; run the main Cocoa event loop
(NSApplicationMain 0 nil)
</pre>
<p><a href="http://github.com/timburks/nu/tree/master/examples/RandomAppWithNibFile">View the source in the git archives.</a></p>
</div>
</div> <!-- atomentry -->
</div> <!-- content -->
<div id="sidebar">
<div class="sidebar-node">
<h2><a href="/about">About Nu</a></h2>
</div>
<div class="sidebar-node">
<h2><a href="http://groups.google.com/group/programming-nu/topics">Google Group:<br/>Programming Nu</a></h2>
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<h2><a href="/downloads">Download Nu</a></h2>
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<h2>Git Repositories</h2>
<ul>
<li><a href="http://github.com/programming-nu/nu">nu</a></li>
<li><a href="http://github.com/programming-nu/programming-nu">programming-nu</a></li>
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<h2><a href="/documentation">Documentation</a></h2>
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<div class="sidebar-node">
<h2><a href="/examples">Examples</a></h2>
<ul>
<li><a href="/randomapp">RandomApp</a></li>
<li><a href="/randomappwithnibfile">RandomAppWithNibFile</a></li>
<li><a href="/currencyconverter">Currency Converter</a></li>
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<h2><a href="/tools">Tools</a></h2>
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<li><a href="/nuke">nuke, a make utility</a></li>
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<h2><a href="/">Archives</a></h2>
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<li style="font-weight:bold; font-size:smaller; background:#eee; line-height:100%">July 2019</li>
<li>
<a href="/posts/2019/07/25/programming-nu-on-github">
Programming Nu on GitHub</a>
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<li style="font-weight:bold; font-size:smaller; background:#eee; line-height:100%">April 2013</li>
<li>
<a href="/posts/2013/04/14/Nu-2.1.0">
Nu-2.1.0</a>
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<li style="font-weight:bold; font-size:smaller; background:#eee; line-height:100%">September 2011</li>
<li>
<a href="/posts/2011/09/02/Nu-2.0.1">
Nu-2.0.1</a>
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<li style="font-weight:bold; font-size:smaller; background:#eee; line-height:100%">August 2011</li>
<li>
<a href="/posts/2011/08/25/Nu-2.0.0">
Nu-2.0.0</a>
</li>
<li style="font-weight:bold; font-size:smaller; background:#eee; line-height:100%">December 2009</li>
<li>
<a href="/posts/2009/12/09/stability">
Nu Seems Stable (by Jason Grossman)</a>
</li>
<li style="font-weight:bold; font-size:smaller; background:#eee; line-height:100%">November 2009</li>
<li>
<a href="/posts/2009/11/22/vi">
vi tips for Nu</a>
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<a href="/posts/2009/11/17/Nu-0.4.0">
Nu-0.4.0</a>
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<li style="font-weight:bold; font-size:smaller; background:#eee; line-height:100%">January 2009</li>
<li>
<a href="/posts/2009/01/02/macros">
Macros</a>
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<li style="font-weight:bold; font-size:smaller; background:#eee; line-height:100%">December 2008</li>
<li>
<a href="/posts/2008/12/03/Nu-0.3.3">
Nu-0.3.3</a>
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<li style="font-weight:bold; font-size:smaller; background:#eee; line-height:100%">June 2008</li>
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<li style="font-weight:bold; font-size:smaller; background:#eee; line-height:100%">May 2008</li>
<li>
<a href="/posts/2008/05/23/cocoa-programming-with-nu">
Cocoa Programming with Nu</a>
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<li style="font-weight:bold; font-size:smaller; background:#eee; line-height:100%">March 2008</li>
<li>
<a href="/posts/2008/03/24/Nu-0.3.1">
Nu-0.3.1</a>
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<li>
<a href="/posts/2008/03/21/announcing-nu">
Announcing Nu: The Video</a>
</li>
<li>
<a href="/posts/2008/03/18/nu-on-github">
Nu on github</a>
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<li>
<a href="/posts/2008/03/14/new-platforms">
Linux and the iPhone</a>
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<li>
<a href="/posts/2008/03/12/new-license">
Apache License, v. 2.0</a>
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<li style="font-weight:bold; font-size:smaller; background:#eee; line-height:100%">February 2008</li>
<li>
<a href="/posts/2008/02/13/Nu-0.3.0">
Nu-0.3.0</a>
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<li style="font-weight:bold; font-size:smaller; background:#eee; line-height:100%">December 2007</li>
<li>
<a href="/posts/2007/12/12/nupagepacker">
NuPagePacker</a>
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<a href="/posts/2007/12/12/Nu-0.2.4">
Nu-0.2.4</a>
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<a href="/posts/2007/12/07/Nu-0.2.3">
Nu-0.2.3</a>
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<li style="font-weight:bold; font-size:smaller; background:#eee; line-height:100%">November 2007</li>
<li>
<a href="/posts/2007/11/26/Nu-0.2.2">
Nu-0.2.2</a>
</li>
<li>
<a href="/posts/2007/11/25/a-delicious-nu-screencast">
A Delicious Nu Screencast</a>
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<li>
<a href="/posts/2007/11/12/Nu-0.2.1">
Nu-0.2.1</a>
</li>
<li style="font-weight:bold; font-size:smaller; background:#eee; line-height:100%">October 2007</li>
<li>
<a href="/posts/2007/10/17/new-literal-forms-in-nu">
New Literal Forms in Nu</a>
</li>
<li>
<a href="/posts/2007/10/17/escape-sequences-in-nu-strings">
Escape Sequences in Nu Strings</a>
</li>
<li>
<a href="/posts/2007/10/17/closures-in-nu">
Closures in Nu</a>
</li>
<li>
<a href="/posts/2007/10/17/Nu-0.2.0">
Nu-0.2.0</a>
</li>
<li>
<a href="/posts/2007/10/11/screen-savers-and-plugins">
Screen Savers and Plugins</a>
</li>
<li>
<a href="/posts/2007/10/10/markdown-in-nu">
Markdown in Nu</a>
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<li>
<a href="/posts/2007/10/05/functional-nu">
Functional Aspects of Nu</a>
</li>
<li>
<a href="/posts/2007/10/04/randomapp-with-nibfile">
New Example: Nib Files</a>
</li>
<li>
<a href="/posts/2007/10/01/welcome">
Welcome</a>
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</ul>
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<h2><a href="/legal">Legal Details</a></h2>
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