Callbacks (sigh :-)

Davide Varvello d.varvello at quinary.com
Wed Feb 8 08:28:34 UTC 2006


Hi Alain,
  I'm happy to hear you.

On 7 Feb 2006, at 21:21, Alain Fischer wrote:

> Hi Davide,
>
> First, you must test that the Squeak callback process is running.
> You could test that by running the tests in ObjcBridgeTest.
> You must have: "16 run, 16 passed, 0 failed, 0 errors".
>

All passed.

> But I don't think this is the cause of your problem.
>
> Has I read your exemple, "[aSqueakObject description];" will not  
> write anything in the Transcript
> because "description" is a NSObject message and is sent at the  
> Objective-C SqueakProxy and not
> forwarded to Squeak.
>

No, really!!!!! I'm unlucky


> Try to:
> - rename MyObj>>description as MyObj>>myDescription
> - in printSomethingTo: send: "[aSqueakObject myDescription];"
>

I'll try and feedback you.
Thanks a lot.
Davide

> Hope this will help you.
> Alain
>
>
> Le 7 févr. 06, à 14:51, Davide Varvello a écrit :
>
>> Hi All,
>>  I need again some help from you. The context is always squeak/ 
>> bluetooth/objective-c, but now I'm trying to reduce the scope to  
>> better understand how things are working. So, as probably my  
>> problems are coming from asynchronous communication between squeak  
>> and objective-c, now I include below two snippets of code:
>>
>>
>> Squeak object with two methods
>>
>> MyObj >> run
>> | bundle delegate |
>> bundle _ NSBundle bundleWithPath:'/Users/davide/TransferDelegate/ 
>> build/TransferDelegate.framework'.
>> bundle load.
>>
>> delegate _ (bundle classNamed:'TransferDelegate') new.
>> delegate printSomethingTo:self.
>>
>>
>> MyObj >> description
>> Transcript show:'someone called me'.
>>
>> ----------------
>>
>> Objective-c file named TransferDelegate.m
>>
>>
>>
>> #import "TransferDelegate.h"
>>
>>
>> @implementation TransferDelegate
>>
>>
>> - (void) printSomethingTo: (NSObject *) aSqueakObject
>> {
>> 	[aSqueakObject description];
>> }
>>
>>
>> @end
>> -------------------
>>
>> Ok, now from squeak I evaluate:
>> MyObj new asObjcProxy async run.
>>
>> and I expect "someone called me" on Transcript, but unfortunately  
>> nothing appears.
>> I know the method printSomethingTo is called because I added some  
>> code to it that prints a string on a file.
>> Can you help me to solve this enigma :-) ?
>> Thanks
>>  Davide
>>
>
>




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