Hi Christian,
OK, I see. Yes, it's quite easy to add
in a way you suggested. Be done asap.
Regards. Valeriy
> Dear Valeriy
>
> Your example is a TGComboBox, but I mean TGListBox.
> Assume, that the vertical size of TGListBox has space for
> ten entries, but it does only contain 4 entries. Clicking on
> one entry selects this entry, but clicking in the empty space
> below the entries deselects the selected entry. In this case
> Selected() should emit -1.
>
> Best regards
> Christian
>
> Valeriy Onuchin wrote:
>
> > Hi Christian,
> >this question is not clear for me. Check HTML listbox
> >("Modified within the last:") in
> >http://carrot.cern.ch/CarrotExamples/FormTest.C
> >it has an empty entry for deselecting items. Is this effect what
> >you talking about?
> >
> >Thanks. Regards. Valeriy
> >
> >
> >
> >
> >>Dear Rooters
> >>
> >>I would like to enable a button only, when I select an item in
> >>TGListBox, but disable the button when deselecting all items
> >>by clicking in the white space.
> >>Sorrowly, the signal TGListBox::Selected() is only emitted,
> >>when an item is selected. Is there a way to deselect the button?
> >>
> >>I am not sure but maybe adding the following in TGListBox::
> >>ProcessMessage() could help:
> >> if(entry)
> >> ......
> >> Selected((Int_t) parm1);
> >> else
> >> Selected((Int_t) -1);
> >>
> >>Thank you in advance
> >>Best regards
> >>Christian
> >>_._._._._._._._._._._._._._._._
> >>C.h.i.s.t.i.a.n S.t.r.a.t.o.w.a
> >>V.i.e.n.n.a A.u.s.t.r.i.a
> >>_._._._._._._._._._._._._._._._
> >>
> >>
> >>
> >>
> >>
> >
> >
> >
> >
> >
>
>
>
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