[pygtk] Not possible to drag-n-drop in a treeview after a set_sort_column_id

[Lionel Dricot]

Oups, sorry. I just realized that I was not connecting the signal. Sorry for
the noise but I wanted to say, for the record, that it works.

On Tue, Jan 27, 2009 at 11:21 PM, Lionel Dricot <zeploum at gmail.com> wrote:

> Thanks for the reply. Now, I can drag n drop in the treeview but, for a
> completely unknown reason, the signals are not emitted anymore !
>
> What could block row-changed and row-deleted signal ?
>
>
> On Tue, Jan 27, 2009 at 7:04 PM, Karl Ostmo <kostmo at gmail.com> wrote:
>
>> On Tue, Jan 27, 2009 at 8:56 AM, Lionel Dricot <zeploum at gmail.com> wrote:
>>
>>> Hello,
>>>
>>> I'm displaying a TreeStore in a TreeView and I want to allow the user to
>>> re-organize its data by drag-n-dropping.
>>>
>>> ( If you want to try, the code is available with "bzr branch lp:gtg" in
>>> taskbrowser/browser.py. I will specify the line.
>>>  If I give you a given rev. number $X, type, after branching, "bzr revert
>>> -r $X"  use "./debug.sh" to launch the soft with a dummy data set )
>>>
>>> In order to handle drag-n-drop, I connect to the row-changed and
>>> row-deleted signal to the function that will update my datas to reflect the
>>> change (rev.123,li 675)
>>>
>>>
>>> It was working fine until my co-coder fixed some sorting bugs (typically,
>>> we display strings but we want to sort them as integer or date).
>>>
>>> Between rev. 108 and rev. 109, drag-n-dropping stopped working. The tree
>>> just refuses you to drag-n-drop.
>>>
>>> I've looked and found that commenting one line added during this commit
>>> was causing the problem :
>>>
>>> self.treestore.set_sort_column_id (2, gtk.SORT_ASCENDING (rev.109,li 113)
>>>
>>> Commenting this line restore drag-n-drop. Re-enabling it break the
>>> feature.
>>>
>>> So, why such a behaviour ? I'm sure there's something I don't understand
>>> about drag-n-drop and sorting. Can anyone explain to me how I can keep this
>>> line and restore drag-n-drop functionnality ?
>>>
>>> Thanks in advance,
>>>
>>> Lionel
>>>
>>>
>>> PS: in rev.123 this line is now in taskbrowser/treetools.py, li 19
>>>
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>>>
>>
>>
>> http://faq.pygtk.org/index.py?req=show&file=faq13.049.htp
>>
>> HTH,
>> Karl
>>
>> --
>> Code or be coded.
>>
>
>
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