Re: GtkListStore usage



Thanks. That's enough for me.

On Mon, Feb 17, 2003 at 07:33:08PM -0500, Havoc Pennington wrote:
> On Wed, Feb 12, 2003 at 09:11:38PM +0700, pclouds wrote:
> > Hello
> > 
> > I would like to use GtkListStore in this way:
> >  - Create GtkListStore with 1 column (G_TYPE_POINTER) 
> >  - Register two functions get_value and set_value. When 
> >    gtk_list_store_{get,set}_value is called, my {get,set}_value will be
> >    called, returning a value from the object in column 1 (or generate
> >    a value from the object), and set a value in the object, respectively.
> >    "Registering" may be connecting to signal or setting a function pointer
> >    in GtkListStore struct, ..
> > 
> >  * Or we can create GtkListStore with n+1 columns, and let GtkListStore
> >    check data types instead of {get,set}_value.
> >  - {get,set}_value contain a lot of switches to control each column data.
> > 
> > Is there a way to do this without modifying GtkListStore or implementing
> > a new GtkTreeModel?
> > 
> > BTW, Gtk(2.0) uses gtktreedatalist to store a row. It would be better if 
> > GtkListStore allows developer to use another type instead of gtktreedatalist
> > when they want.
> 
> I don't understand this question - you're asking how to modify
> GtkListStore or implement a custom model, without modifying
> GtkListStore or implementing a custom model. As far as I can tell. ;-)
> 
> Maybe what you want to do is stuff a lot of structs in the list store
> then have accessor functions to get at the fields in the structs, see 
> gtk-demo for an example of doing that. The "stock browser" example may
> do it if the tree view example doesn't.
> 
> Havoc

-- 
Bi Cờ Lao



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