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List:       gtkmm
Subject:    Re: creatring Glib::RefPtr from plain pointer
From:       Murray Cumming <murrayc () murrayc ! com>
Date:       2015-01-22 11:13:00
Message-ID: 1421925180.26911.2.camel () murrayc ! com
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On Thu, 2015-01-22 at 00:25 +0000, test_account@tutanota.de wrote:
> Hi, I need someone to explain this:
> 
> this is correct:
> Glib::RefPtr<Gtk::Menu> pMenuPopup = Gtk::manage(new Gtk::Menu(menu));

No, and I doubt it would compile.

> it this correct to? if not why not?
> Glib::RefPtr<Gtk::Menu> pMenuPopup = Glib::RefPtr<Gtk::Menu>(new
> Gtk::Menu(menu));

You shouldn't use RefPtr<> with widgets (such as Gtk::Menu). If
something needs to use RefPtr<> then you'd generally get the RefPtr<>
from a method such as create(), get_something(), or get_default().

-- 
Murray Cumming
murrayc@murrayc.com
www.murrayc.com


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