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Today's Topics:

  1. Re: MacRuby on Mavericks (Robert Carl Rice)


----------------------------------------------------------------------

Message: 1
Date: Sun, 10 Nov 2013 01:16:12 -0500
From: Robert Carl Rice <rice.audio@pobox.com>
To: "MacRuby development discussions."
<macruby-devel@lists.macosforge.org>
Subject: Re: [MacRuby-devel] MacRuby on Mavericks
Message-ID: <8E18A9E4-8EB5-4C0C-8627-7D4C758DC6E2@pobox.com>
Content-Type: text/plain; charset="us-ascii"


On Nov 7, 2013, at 9:07 AM, Joshua Ballanco <jballanc@gmail.com> wrote:

* MacRuby integration with Xcode relies on rb-nibtool, but the Xcode team has repeatedly signaled (not so subtly) that they are not interested in keeping this shim working.

I assume that rb-nibtool scans rb files to identify possible IBOutlet and IBAction targets. If this is it's only function then I would not miss it if it goes away. I have discovered that it is easy to define IBOutlet and IBAction targets in Objective-C files without recoding any ruby code into Objective-C. The results are much better because the linkage and error messages are very fast while the scanning of ruby files gets very slow on a large project.

To avoid adding a lot of files, I created a single Objective-C .h and .m file for each of my nib files, including the main, giving it a corresponding name.

//  MainWindow.h
//  RiceCNC
//
//  Created by Robert Rice on 11/9/13.
//  Copyright (c) 2013 Robert Rice. All rights reserved.
//

#import <Foundation/Foundation.h>

@interface AppDelegate : NSObject

@property (weak) IBOutlet id template_menu;
@property (weak) IBOutlet id example_menu;

- (IBAction)makeNewMachine:(id)sender;
- (IBAction)makeNewEngine:(id)sender;

@end

//  MainWindow.m
//  RiceCNC
//
//  Created by Robert Rice on 11/9/13.
//  Copyright (c) 2013 Robert Rice. All rights reserved.
//

#import "MainWindow.h"

@implementation AppDelegate

@synthesize template_menu;
@synthesize example_menu;

- (IBAction)makeNewMachine:(id)sender {};
- (IBAction)makeNewEngine:(id)sender {};

@end

The IBActions are easy. I simply define empty methods for my actions. MacRuby will replace the empty methods with the ruby methods.

For each IBOutlet, I define a C property, remove the attr_writer or attr_accessor from my ruby class, then reference the property from my ruby class using the dot syntax.

For this example, I changed @template_menu to self.template_menu and @example_menu to self.example_menu:

# AppDelegate.rb
# MacCNC
#
# Created by Robert Rice on 3/10/12.
# Copyright 2012 Rice Audio. All rights reserved.

class AppDelegate
# attr_writer :template_menu, :example_menu

def init
if super
# ErrorLog.instance.debug( "AppDelegate init" )
end
@pdf_window_controller = nil
@mail_bridge_window_controller = nil

self
end

def awakeFromNib
# ErrorLog.instance.debug( "AppDelegate awakeFromNib" )
bundle = NSBundle.mainBundle

engines = bundle.pathsForResourcesOfType( "engine", inDirectory:"Templates" )
engines.each do | path |
title = path.split( '/' ).last.split( '.' ).first
item = self.template_menu.addItemWithTitle( title, action:"open_engine_template:", keyEquivalent:"" )
item.setTarget( self )
end

examples = bundle.pathsForResourcesOfType( "cnc", inDirectory:"Examples" )
examples.each do | path |
title = path.split( '/' ).last.split( '.' ).first
item = self.example_menu.addItemWithTitle( title, action:"open_document_template:", keyEquivalent:"" )
item.setTarget( self )
end
end

def makeNewMachine( sender )
makeNewDocument( "Machine" )
end

def makeNewEngine( sender )
makeNewDocument( "Engine" )
end

def makeNewDocument( type )
ErrorLog.instance.warn( "makeNewDocument #{ type }" )

nserror = Pointer.new( :object )
controller = NSDocumentController.sharedDocumentController
document = controller.makeUntitledDocumentOfType( type, error:nserror )
if document
controller.addDocument( document )
document.makeWindowControllers
document.showWindows

else
ErrorLog.instance.error( "Error creating new #{ type } Document" )
end

document
end

def open_engine_template( sender )
open_file( NSBundle.mainBundle.pathForResource( sender.title, ofType:"engine", inDirectory:"Templates" ) )
end

def open_machine_template( sender )
open_file( NSBundle.mainBundle.pathForResource( sender.title, ofType:"machine", inDirectory:"Templates" ) )
end

def open_document_template( sender )
open_file( NSBundle.mainBundle.pathForResource( sender.title, ofType:"cnc", inDirectory:"Examples" ) )
end

def open_file( path )
url = NSURL.fileURLWithPath( path )
nserror = Pointer.new( :object )
NSDocumentController.sharedDocumentController.openDocumentWithContentsOfURL( url,
display:true, error:nserror )
end

end



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