Re: best practice with ArrayHandle

[Yann Leydier <yann leydier info>]

Thanks a lot.

I'm looking forward to C++0x's initializer lists, this will greatly 
simplify things !

On 21/02/11 19:17, Krzesimir Nowak wrote:
> On Mon, 2011-02-21 at 16:53 +0100, Yann Leydier wrote:
> > Hi,
> >
> > I'm currently preparing my code to be Windows-friendly. I wrote the
> > following lines to enable Windows-style buttons ordering in a dialog and
> > I wondered if there is a simplest way to do it :
> >
> > dial.add_button(Gtk::Stock::CANCEL, Gtk::RESPONSE_CANCEL);
> > dial.add_button(Gtk::Stock::ADD, Gtk::RESPONSE_ACCEPT);
> > int altbut[] = { Gtk::RESPONSE_ACCEPT, Gtk::RESPONSE_CANCEL };
> > dial.set_alternative_button_order_from_array(Glib::ArrayHandle<int>(altbut,
> > 2, Glib::OWNERSHIP_NONE));
>
> Best practice with ArrayHandle is "Just don't use it explicitly" - it is
> just a helper type to handle memory management and is convertible from C
> arrays to std::{vector,list,deque} and vice versa. It is meant to be
> used only by wrappers like glibmm or gtkmm - not by users of these
> wrappers. So your code should look like this:
>
> dial.add_button(Gtk::Stock::CANCEL, Gtk::RESPONSE_CANCEL);
> dial.add_button(Gtk::Stock::ADD, Gtk::RESPONSE_ACCEPT);
>
> std::vector<int>  altbut;
>
> altbut.reserve(2);
> altbut.push_back(Gtk::RESPONSE_ACCEPT);
> altbut.push_back(Gtk::RESPONSE_CANCEL);
> dial.set_alternative_button_order_from_array(altbut);