[news.eclipse.platform.rcp] Re: [jface.viewers] May CellLabelProvider.up

[Tom Schindl <tom.schindl@xxxxxxxxxxxxxxx>]

I would expect that a redraw leads to callbacks into the ownerdraw
listeners who call back to the update()-method.

IIRC the FocusManager or something in this pipeline also issues redraws
of certain parts of the viewer when you navigate from cell to cell.

Tom

Daniel Krügler schrieb:
> Tom Schindl wrote:
>> Hi,
>>
>> I'm not sure I got this completely. Are you asking whether you should
>> call CellLabelProvider.update() your own?
> 
> Yes, this seems natural, because the listener for MouseMove is already
> part of my CellLabelProvider.
> 
>> I don't think this should be done but rather you should force the
>> table/tree to redraw the "dirty" parts. Using
>> Table/Tree#redraw(int,int,int,int,boolean).
> 
> Interesting, could you please argue why?
> 
> And assuming I would do so, does that ensure that my hyperlink-capable
> StyledCellLabelProvider's update method is then indirectly called?
> Because otherwise I don't see how I could ensure that basically happens
> what my current StyledCellLabelProvider#update does except for the
> different font color?
> 
> Thanks again,
> 
> Daniel