Re: Callback to parent dialog

[John Taber <jtaber johntaber net>]

Thanks for info but I think I found an easier way by simply writing a 
small interface class to call back to the owner class.  Seems to work okay.

Nalin Singal wrote:
> If you are writing this code in a Gtk::something class
> or a class derived from one then you need to replace
> "this" with "this->gobj()". And GtkWidget is correct.
> Gtk::Widget is a Gtkmm object which is actually a
> class wrapped around the underlying GtkWidget.
> gtk_widget_toplevel() returns a GtkWidget* NOT a
> Gtk::Widget*.  Also gtk_widget_toplevel() takes a
> GtkWidget* not a Gtk::Widget*. This is the reason for
> replacing "this". As someone else pointed out you are
> mixing Gtk+ code and Gtkmm code (or C code and C++
> code).
> -Nalin
>
> --- John Taber <jtaber johntaber net> wrote:
>
>
> > Still having some trouble (btw GtkWidget needs to be
> > Gtk::Widget) - it 
> > doesn't like "this", etc.  Wondering if it would be
> > easier to just pass 
> > in a void pointer and then typecast it?
> >
> > Nalin Singal wrote:
> >
> > > Maybe you need to do something like this:
> > >
> > > GtkWidget* toplevel =
> >
> > gtk_widget_get_toplevel(this);
> >
> > > if(GTK_WIDGET_TOPLEVEL(toplevel)) {
> > >  Gtk::GtkWidget* wrappedTL = wrap(topLevel, t/f);
> > >  wrappedTL->editDialogWHATEVER);
> > > }
> > >
> > > There is a slight difference between gtk and
> >
> > gtkmm.
> >
> > > gtk objects can't be directly converted to gtkmm
> >
> > or
> >
> > > vice-versa. You need to call the wrap function to
> >
> > go
> >
> > > one way and gobj() function if you want to go the
> > > other way.
> > >
> > > -Nalin
> > >
> > > --- John Taber <jtaber johntaber net> wrote:
> > >
> > >
> > >
> > > > I've tried the following but it's not right. Can
> > > > someone help out - thks.
> > > >
> > > > Gtk::GtkWidget* toplevel =
> > > > gtk_widget_get_toplevel(this);
> > > > if (GTK_WIDGET_TOPLEVEL (toplevel)) {
> > > >  toplevel->editDialog(data);
> > > > }
> > > >
> > > >
> > > > _______________________________________________
> > > > gtkmm-list mailing list
> > > > gtkmm-list gnome org
> > > > http://mail.gnome.org/mailman/listinfo/gtkmm-list
> > >
> > >
> > >
> > >
> > > 		
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