[MacRuby-devel] HotCocoa subclassing NSView

[Matt Aimonetti]

Thanks for clarifying, since subclassing NSView seems to be pretty  
common and writing a mapping is a bit combersome, maybe we could add a  
CustomView + mapping.

What do you think?

-Matt

Sent from  my iPhone

On Feb 17, 2009, at 10:47, Richard Kilmer <rich at infoether.com> wrote:

> They do inherit constants, custom methods, etc (see lib/hotcocoa/ 
> mapper.rb, NOTE: ugly file right now, is a target for refactor)
>
> They are modules and those modules are mixed in.
>
> Best,
>
> Rich
>
> On Feb 17, 2009, at 12:46 PM, Matt Aimonetti wrote:
>
>> Thanks Rich, but if I do what you recommended, I guess I would not  
>> be able to use all the NSView extra stuff defined by the existing  
>> NSView mapping (constants, custom methods etc..).
>>
>> Wouldn't be better to make each mapping a mixin? That would allow  
>> us to reuse some default settings and subclassing a mapped class  
>> would give us all the mapping goodies.
>>
>> - Matt
>>
>>
>>
>> On Tue, Feb 17, 2009 at 4:33 AM, Richard Kilmer  
>> <rich at infoether.com> wrote:
>> This is how I would do it:
>>
>> class MyNewView < NSView
>>
>>  def drawRect(rect)
>>  end
>>
>> end
>>
>> HotCocoa::Mappings.map :my_new_view => :"MyNewView" do
>>  defaults :frame => DefaultEmptyRect, :layout => {}
>>
>>  def init_with_options(view, options)
>>    view.initWithFrame options.delete(:frame)
>>  end
>> end
>>
>> Then in your code you can just use it like any HotCocoa mapped class:
>>
>> my_new_view :frame => [0,0,10,10]
>>
>> etc.
>>
>> -rich
>>
>>
>>
>> On Feb 17, 2009, at 4:15 AM, Matt Aimonetti wrote:
>>
>> I'm working on a new HotCocoa sample and I need to subclass NSView  
>> to override drawRect and add few more methods.
>> I would like to be able to reuse all the goodies from HotCocoa and  
>> the view helper, what's the best way to do that?
>>
>> -Matt
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