gtk 0.6.0

// Copyright 2013-2015, 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 libc::c_int;

use glib::translate::*;
use ffi;

use glib::object::IsA;
use gdk::RGBA;
use gdk_ffi;
use ColorChooser;
use Orientation;

pub trait ColorChooserExtManual: 'static {
    fn add_palette(&self, orientation: Orientation, colors_per_line: i32, colors: &[RGBA]);
}

impl<O: IsA<ColorChooser>> ColorChooserExtManual for O {
    fn add_palette(&self, orientation: Orientation, colors_per_line: i32, colors: &[RGBA]) {
        unsafe {
            ffi::gtk_color_chooser_add_palette(self.as_ref().to_glib_none().0,
                                               orientation.to_glib(),
                                               colors_per_line,
                                               colors.len() as c_int,
                                               colors.as_ptr() as *mut gdk_ffi::GdkRGBA)
        }
    }
}