Home Original page

wxPython: wxGrid vs. wxListCtrl

RichH rich_NOSPAM_ at _NOSPAM_holmteam.net
Mon Jul 5 01:29:45 EDT 2004 
In article <f4dkr1-edd.ln1 at home.rogerbinns.com>, rogerb at rogerbinns.com 
says...
> RichH wrote:
> > I've built a grid in this way and it was slow as I was changing the
> > data in the table continuously.  Is there any way to tell the grid
> > that just a few cells have changed?  My program was redrawing the
> > whole grid (the visible portion of the grid) each time I changed
> > any cell.
> 
> When you send the wxGRIDTABLE_REQUEST_VIEW_GET_VALUES message the
> grid will end up requesting all visible values.  I couldn't
> see any way of doing just a subset of the values.
> 
> There are some ways of mitigating this.  The simplest would
> be to add an idle handler and have it check if the message
> should be sent.  That way you can continuously update the
> table values, but send far fewer messages about the updates.
> 
> I would also recommend you post your query on the wxPython-users
> mailing list as Robin and many other people respond there
> way quicker and in more detail than this group.
> 
> I would also recommend you have a sample program illustrating
> what you are trying to do and how you have coded it.  Robin
> usually requests one, and it helps other people to see what
> you are seeing.
> 
> Roger
> 
> 

Thanks for your response... I read the source and asked a 
question last year on wxPython-users.  Got a similar answer.

Cheers,
Rich
More information about the Python-list mailing list