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gtk 0.4.1

Rust bindings for the GTK+ 3 library
Documentation 
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// Copyright 2016, The Gtk-rs Project Developers.
// See the COPYRIGHT file at the top-level directory of this distribution.
// Licensed under the MIT license, see the LICENSE file or <http://opensource.org/licenses/MIT>

use ffi;
use glib::object::Downcast;
use glib::translate::*;
use std::ptr;
use Dialog;
use DialogFlags;
use IsA;
use Widget;
use Window;
use auto::DialogExt;

impl Dialog {
    pub fn new_with_buttons<T: IsA<Window>>(title: Option<&str>, parent: Option<&T>,
            flags: DialogFlags, buttons: &[(&str, i32)]) -> Dialog {
        assert_initialized_main_thread!();
        let ret: Dialog = unsafe {
            Widget::from_glib_none(
                ffi::gtk_dialog_new_with_buttons(title.to_glib_none().0, parent.to_glib_none().0,
                    flags.to_glib(), ptr::null_mut()))
                .downcast_unchecked()
        };

        ret.add_buttons(buttons);
        ret
    }
}

pub trait DialogExtManual {
    fn add_buttons(&self, buttons: &[(&str, i32)]);
}

impl<O: DialogExt> DialogExtManual for O {
    fn add_buttons(&self, buttons: &[(&str, i32)]) {
        for &(text, id) in buttons {
            //FIXME: self.add_button don't work on 1.8
            O::add_button(self, text, id);
        }
    }
}