Re: [vrjuggler-devel] Determining the context from a mouse event

[Doug M. <mc...@ia...>]

Patrick Hartling wrote:
> Doug McCorkle wrote:
>   
>> Patrick Hartling wrote:
>>     
>>> Doug McCorkle wrote:
>>>   
>>>       
>>>> Hello Patrick,
>>>>
>>>> On Aug 9, 2009, at 8:35 PM, Doug McCorkle wrote:
>>>>
>>>> [snip]
>>>>
>>>>     
>>>>         
>>>>>>> Try r21120. It ended up being pretty easy to add.
>>>>>>>           
>>>>>>>               
>>>>>> Thanks Patrick! You beat me to the punch. We will give this a try  
>>>>>> with
>>>>>> what we are trying to do and report back. We should have results from
>>>>>> our testing on various hardware platforms by the end of next week.
>>>>>>
>>>>>>         
>>>>>>             
>>>>> This is working for our various hardware configurations. Thanks for
>>>>> adding this support.
>>>>>       
>>>>>           
>>>> I am using this code and am trying to determine if a window that is  
>>>> receiving input is an InputWindow or a display Window and I am unable  
>>>> to use a dynamic cast to do this. I am getting this compile error on  
>>>> Mac OS 10.5:
>>>>
>>>> error: cannot dynamic_cast ‘inputArea’ (of type ‘class  
>>>> gadget::InputArea*’) to type ‘class gadget::InputWindowCocoa*’ (source  
>>>> type is not polymorphic)
>>>> error: cannot dynamic_cast ‘inputAreaCocoa’ (of type ‘class  
>>>> gadget::InputAreaCocoa*’) to type ‘class  
>>>> vrj::opengl::WindowCocoa*’ (source type is not polymor
>>>>
>>>> Do you know why this would be the case? I am not understanding why I  
>>>> cannot dynamic cast to different Input Areas. Thanks for the help.
>>>>     
>>>>         
>>> vrj::opengl::WindowCocoa and gadget::InputWindowCocoa do not have a
>>> derived/base relationship; they are sibling types. Both derive from
>>> gadget::InputAreaCocoa, which in turn derives from gadget::InputArea.
>>>
>>>   
>>>       
>> Right, so it seems I should be able to dynamic cast an InputArea to an 
>> InputAreaCocoa and/or an InputWindowCocoa correct?
>>     
>
> If you have included gadget/Devices/KeyboardMouseDevice/InputAreaCocoa.h
> and/or gadget/Devices/KeyboardMouseDevice/InputWindowCocoa.h, then yes.
>   
I have but I still get the above error.

Doug