[MacRuby-devel] HotCocoa subclassing NSView

[Matt Aimonetti]

I ported the round transparent sample to a 100% HotCocoa solution:
http://github.com/mattetti/hotocoa-roundtransparentwindow/tree/without-nib

As you can see there:
http://github.com/mattetti/hotocoa-roundtransparentwindow/blob/9f9717f96e77bfa0b40b2650d71fbbe41f3bd483/lib/application.rb
I followed your advise, created 2 modules and extended the mapped instances.

I'd like having the option to extend a mapped instance at creation time,
that's pretty cool even tho in my example, I would still need to extend an
instance manually:
http://github.com/mattetti/hotocoa-roundtransparentwindow/blob/9f9717f96e77bfa0b40b2650d71fbbe41f3bd483/lib/application.rb#L29

Thanks for our help.

- Matt


On Sat, Feb 21, 2009 at 10:29 AM, Richard Kilmer <rich at infoether.com> wrote:

> Matt,
> You can subclass an NSView on the fly, I don't think a CustomView is
> needed:
>
> v = view :frame => [10,10,100,100]
> def v.drawRect(rect)
>   #custom stuff here
> end
>
> Since you can just redefine methods in ruby this works great.
>
> Maybe we should add a syntax similar to the rails associations proxies and
> enable this:
>
> module MyCustomBehaviors
>   def drawRect(rect)
>     #custom stuff here
>   end
> end
>
> view :frame => [10,10,100,100], :extend => MyCustomBehaviors
>
> Thoughts?
>
> Rich
>
> On Feb 21, 2009, at 1:36 AM, Matt Aimonetti wrote:
>
> Oops, I guess the email sent from my iphone never left my 'holy' device.
>
> Rich, what do you think about adding a new HotCocoa CustomView mapping
> since subclassing NSView seems to be pretty common.
>
> - Matt
>
> On Tue, Feb 17, 2009 at 10:47 AM, 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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>>>> http://lists.macosforge.org/mailman/listinfo.cgi/macruby-devel
>>>>
>>>
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