Hi Stefan,

you're absolutely right with your report. I've opened a bug report for 
this issue.
-> http://bugzilla.qooxdoo.org/show_bug.cgi?id=1833

Thanks for reporting this one!

cheers,
   Alex

Stefan Volbers wrote:
> Hi there,
> 
> I'm using quite a few textfields in an app, most of which are 
> informational and therefore need to be setEnabled(false).
> 
> They work lovely as long as I don't open the app in IE 6 or 7:
> moving the mouse over a disabled textfield causes unhandled exceptions 
> for mouseover and mouseout, * if the widget has a text value !="" *; I 
> double checked by manipulating a textfield in a close-to-original 
> skeleton app with a timer upon it, switching it from disabled to enabled.
> The same is true for DateFields and PasswordFields, but not for buttons 
> or labels (althought they all inherit .setEnabled() from 
> qx.ui.core.Widget, AFAICS).
> 
> Firefox 2, 3 and Opera 9.52 stay calm.
> 
> The error reads:
> --------------------------------snip---------------------------------
> 005219 No dispatcher can handle event of type mousemove on [object]
> 005235 Assertion error! Could not fire event 'mouseover' on target 
> 'null': Invalid event target.: Expected value not to be null but found 
> null!
> 005235 Stack trace: 
> qx.core.AssertionError:constructor,qx.core.AssertionError:constructor 
> wrapper,function(condition, comment, msg),function(value, 
> msg),function(target, type, clazz, 
> args),qx.event.handler.Mouse:__fireEvent,qx.event.handler.Mouse:_onMoveEvent,function(event)
>  
> 
> 006500 Assertion error! Could not fire event 'mouseout' on target 
> 'null': Invalid event target.: Expected value not to be null but found 
> null!
> 006500 Stack trace: 
> qx.core.AssertionError:constructor,qx.core.AssertionError:constructor 
> wrapper,function(condition, comment, msg),function(value, 
> msg),function(target, type, clazz, 
> args),qx.event.handler.Mouse:__fireEvent,qx.event.handler.Mouse:_onMoveEvent,function(event)
>  
> 
> --------------------------------snip--------------------------------
> 
> Default question: am I doing something wrong?
> I'd be happy about any enlightenment.
> 
> Bye,
> Stefan

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