RE: TGListTree Checked() Signal

Hi Boris,

You are welcome.

Cheers,
Bertrand.

-----Original Message-----
From: owner-roottalk_at_pcroot.cern.ch
[mailto:owner-roottalk_at_pcroot.cern.ch] On Behalf Of Boris Iven Sent: Monday, July 23, 2007 4:39 PM
To: ROOT Talk Mailing List
Subject: Re: [ROOT] TGListTree Checked() Signal

Hi Bertrand,

this really helped! Thank you very much for the fast answer.

Best regards,

Boris

Bertrand Bellenot wrote:
> Hi Boris,
>
> The object received in MyMainFrame::OnTreeChecked( TObject* entry,
> Bool_t on ) is in fact the real object associated to the
> TGListTreeItem:
> void *fUserData; // pointer to user data structure
> In your case, it is always 0 because you didn't assign any object to
> your TGListTreeItem.
>
> If you change your code as following:
>
> TGListTreeItem *item = fTree->AddItem(0, "Item1", 0, 0, kTRUE);
> item->SetUserData(AnyObject);
>
> Or:
>
> fTree->AddItem(0, "Item1", AnyObject, 0, 0, kTRUE);
>
> Then the object received will be the _Real_ object (AnyObject)
> assigned to the ListTree item.
>
> Cheers,
> Bertrand.
>
> -----Original Message-----
> From: owner-roottalk_at_pcroot.cern.ch
> [mailto:owner-roottalk_at_pcroot.cern.ch] On Behalf Of Boris Iven
> Sent: Monday, July 23, 2007 1:17 PM
> To: ROOT Talk Mailing List
> Subject: Re: [ROOT] TGListTree Checked() Signal
>
> Hi Bertrand,
>
> i made a little script "checkbox.C" showing the problem.
>
> Thanks for your help!
>
> Regards,
>
> Boris
>
>
> Bertrand Bellenot wrote:
>
>> Hi Boris,
>>
>> Could you send a short working script showing the problem, please ?
>>
>> Cheers,
>> Bertrand.
>>
>> -----Original Message-----
>> From: owner-roottalk_at_pcroot.cern.ch
>> [mailto:owner-roottalk_at_pcroot.cern.ch] On Behalf Of Boris Iven
>> Sent: Monday, July 23, 2007 11:54 AM
>> To: roottalk_at_pcroot.cern.ch
>> Subject: [ROOT] TGListTree Checked() Signal
>>
>> Dear ROOT users and developers,
>>
>> i am using ROOT 5.16.00 on a IA32 SLC 4 machine. I want to use the
>> Checked() Signal emitted by TGListTree:Checked(TObject* obj, Bool_t
>> check) to perform operations on the currently checked/unchecked
>> TGListItem but the TObject Pointer obj is always 0.
>>
>> Other signals like TGListTree::DoubleClicked(TGListTreeItem* entry,
>> int_t btn) work fine, i get the correct reference to the desired
item.
>>
>> I was wondering why there is no corresponding
>> TGListTree:Checked(TGListTreeItem* entry, Bool_t check) method that
>> emits the Checked() signal with "TGListTreeItem* entry" as a
>>
> parameter.
>
>> Is this currently under development or is there another designated
>> way
>>
>
>
>> to get a reference to currently checked item?
>>
>> Kind regards,
>>
>> Boris Iven
>>
>>
>>
>>
>
>
>
Received on Mon Jul 23 2007 - 17:31:11 CEST