Re: [Rubycocoa-talk] actionForLayer:forKey not found

[Allison N. <dem...@ma...>]

The semi-colon in
>  def actionForLayer_forKey_(layer, key)
>  	return nil;
>  end

probably isn't helping...

Le 28 mai 09 à 11:11, Kei Takashima a écrit :

> Hi,
>
> I am using CoreAnimation from RubyCocoa.
>
> When I define actionForLayer_forKey_ method in my view class as a
> delegate of CALayer class, the following exception is thrown.
>
> RuntimeError: Ruby object `#<TestView:0x227388 class='TestView'
> id=0x53e140>' doesn't respond to the ObjC selector
> `actionForLayer:forKey:', the method either doesn't exist or is  
> private
>
> It seems like RubyCocoa is actually finding the method because if I
> omit the method, the program runs happily. Also when I call
> instanceRespondToSelector from Ruby side, it returns true, although I
> am not sure if this test is meaningful. The other clue is that
> EXC_BAD_ACCESS is occasionally thrown, so the RuntimeError above might
> be a just spurious of the EXC_BAD_ACCESS.
>
> I am using RubyCocoa version 0.13.2 on OSX 10.5.7.
>
> The following is the test code i am using:
>
> Thanks
> Kei
>
>
> require 'osx/cocoa'
> OSX.require_framework '/System/Library/Frameworks/
> ApplicationServices.framework/Versions/Current/Frameworks/
> ImageIO.framework'
> OSX.require_framework 'QuartzCore'
>
> class TestView <  OSX::NSView
>  include OSX
>
>  def initWithFrame(frame)
>    super_initWithFrame(frame)
>    return self
>  end
>
>  def drawRect(rect)
>  end
>
>  def actionForLayer_forKey_(layer, key)
>  	return nil;
>  end
>
>  def awakeFromNib
> 	thelayer = CALayer.layer
> 	setLayer thelayer
> 	setWantsLayer true
> 	thelayer.backgroundColor = black
> 	puts "rubycocoa version #{OSX::RUBYCOCOA_VERSION}"
> 	puts "instanceRespondTo:
> #{TestView.instancesRespondToSelector :actionForLayer_forKey_}"
> 	puts ("respond_to? #{self.respond_to? :actionForLayer_forKey_}")
> 	thelayer.delegate = self
> 	thelayer.opacity = 0.5
>  end
>
>  private
>  def black
> 	values = [0.0, 0.0, 0.0, 1.0]
> 	CGColorCreate(genericRGBSpace, values)
>  end
>
>  def genericRGBSpace
> 	CGColorSpaceCreateWithName KCGColorSpaceGenericRGB
>  end
> end
>
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