[Laszlo-user] Bug in basefocusview

[Dmitry Kurochkin]

Thanks for a quick response!

I filed the bug as LPP-4553.

Regards,
  Dmitry

J Crowley wrote:
> Hey, Dmitry.
>
> Thanks for finding this and bringing it to our attention.  The best 
> way to log this and get it assigned and prioritized, and to keep it on 
> our radar, would be to file a bug in our JIRA bug database, which can 
> be found at http://jira.openlaszlo.org.
>
> We appreciate your contribution,
> J Crowley
>
> On Aug 22, 2007, at 1:25 PM, Dmitry Kurochkin wrote:
>
>> Hi OpenLaszlo developers!
>>
>> I have sent this email to dev list few weeks ago, but no one answered.
>> So resending to user list.
>>
>>
>> I've found a bug in basefocusview. Both 4.0.3 and 3.3.3 versions are
>> affected. I've tested swf8 runtime only.
>>
>> Steps to reproduce:
>>
>> 1. Create application with canvas width and height set to 100%. Compile
>> it with debug enabled.
>> 2. Set focus to some view.
>> 3. Run LzFocus.clearFocus() in debug window to clear focus.
>> 4. Resize browser window.
>>
>> Two warnings are printed:
>>
>> WARNING: base/basefocusview.lzx:234: reference to undefined property 
>> 'width'
>> WARNING: base/basefocusview.lzx:245: reference to undefined property
>> 'height'
>>
>> The problem is that setTarget method registers followWidth and
>> followHeight callbacks for canvas onwidth and onheight events.
>> followWidth and followHeight use target attribute and don't check for
>> null. But when focus is cleared target is null.
>>
>> I can not understand this logic. Why we register callbacks for canvas
>> events but use target width/height in the callbacks? There is a similar
>> followXY callback for onx and ony events, but it is registered not for
>> canvas, and is unregistered when focus is cleared. Should width and
>> height handling be done in a similar way?
>>
>> Regards,
>>   Dmitry
>
>