Re: [gtkmm] TreeModel::foreach_iter

[Martin Schulze <martin-ml hippogriff de>]

Am 24.08.2004 18:16:30 schrieb(en) David Jensen:
> David Jensen wrote:
> > Martin Schulze wrote:
> >
> > > I don't understand! What changes did you make your original code   
> > > working:
> > >
> > > > void
> > > > DirList::Config_Update()
> > > > {
> > > >     ls->foreach_iter(sigc::mem_fun(*this, &DirList::slot_update));
> > > > }
> > > >
> > > > bool
> > > > DirList::slot_update(const Gtk::TreeModel::iterator& iter)
> > > > {
> > > >     (*iter)[ls->dlc.color] = Color[(*iter)[ls->dlc.type]];
> > > >     return TRUE;
> > > > }
>
> SORRY, i'm still stepping in it!
>
> DirList::slot_update(const Gtk::TreeModel::iterator& iter)
> {
>      (*iter)[ls->dlc.color] = Color[(*iter)[ls->dlc.type]];
>      return FALSE;
> }
>
> TRUE wont work!!  it quits after one iter

Well,
  
http://www.gtkmm.org/docs/gtkmm-2.4/docs/reference/html/classGtk_1_1TreeModel.html#a7

explicitely states that:

 'If the callback function returns true, then the tree ceases to be  
walked, and foreach() returns.'

Regards,

 Martin