Re: Search for lowest level widget

[Russell Shaw <rjshaw netspace net au>]

Peter Krueger wrote:
> On Mon, 10 May 2004, Russell Shaw wrote:
>
> > I have a GtkTable with cells filled with a widget that contains
> > another widget, and another. The lowest level widget in each cell
> > is a GtkEntry. Given the GtkTable, how can i get a pointer to the
> > lowest level GtkEntry in a cell?
>
> Hello Russell!
> First you have to find the widget that is directly attached to the table
> cell. There is no simple function call since a widget can span more than
> one cell in a table. You would need to access the GtkTableChild structure,
> but I'm not sure how to do this. You could try whether GtkTable->children
> really only stores GtkWidgets like the doc says, or if you're lucky it
> stores GtkTableChild's.
> When you found the top widget of the desired table cell you have to go
> down the tree until you find your GtkEntry. How this is done in detail
> depends on the type of widgets you pack between the table and the entry.
> GList*      gtk_container_get_children      (GtkContainer *container);
> and
> GtkWidget*  gtk_bin_get_child               (GtkBin *bin);
> can be used for that.
> Probably it's easier to store global pointers to the entry widgets you
> need to access later.
>
> Regards,
>                      Peter

Hi,
I thought of the gtk_container method too. Descsending down widget
hierarchies seems all too hard. I'll store pointers to each lowest
level widget in a NxN array that matches the GtkTable cells.
Thanks