[gnome-weather] Window: show the yr.no attribution the about dialog

[Giovanni Campagna <gcampagna src gnome org>]

commit f93c00de0ac99352a68c09a57e4f85677fa211d8
Author: Giovanni Campagna <gcampagna src gnome org>
Date:   Wed Mar 18 13:39:28 2015 -0700

    Window: show the yr.no attribution the about dialog
    
    We need to show it somewhere, and the about dialog seems the
    ideal place for it.

 src/app/window.js |   13 ++++++++++++-
 1 files changed, 12 insertions(+), 1 deletions(-)
---
diff --git a/src/app/window.js b/src/app/window.js
index d634c83..95ac1ec 100644
--- a/src/app/window.js
+++ b/src/app/window.js
@@ -206,13 +206,16 @@ const MainWindow = new Lang.Class({
                         'davharuk',
                         'Tech Haven Ministries',
                         'Jim Pennucci' ];
+
+        let copyright = 'Copyright 2013-2015 The Weather Developers';
+        let attribution = this._cityView.info ? this._cityView.info.get_attribution() : '';
+        let copyright = copyright + (attribution ? '\n' + attribution : '');
         let aboutDialog = new Gtk.AboutDialog(
             { artists: artists,
               authors: [ 'Giovanni Campagna <gcampagna src gnome org>' ],
               translator_credits: _("translator-credits"),
               program_name: _("Weather"),
               comments: _("A weather application"),
-              copyright: 'Copyright 2013 The Weather Developers',
               license_type: Gtk.License.GPL_2_0,
               logo_icon_name: 'org.gnome.Weather.Application',
               version: pkg.version,
@@ -223,6 +226,14 @@ const MainWindow = new Lang.Class({
               use_header_bar: true
             });
 
+        // HACK: we need to poke into gtkaboutdialog internals
+        // to set the copyright with markup like attribution requires
+        // FIXME: file a gtk+ bug
+
+        let copyrightLabel = aboutDialog.get_template_child(Gtk.AboutDialog, 'copyright_label');
+        copyrightLabel.set_markup('<span size="small">' + copyright + '</span>');
+        copyrightLabel.show();
+
         aboutDialog.show();
         aboutDialog.connect('response', function() {
             aboutDialog.destroy();