[gnome-calendar] gcal-window: added cute close button

[Erick Pérez Castellanos <erickpc src gnome org>]

commit 2919eedc5fc008a16a9d316ffd52f1e80045224a
Author: Erick Pérez Castellanos <erick red gmail com>
Date:   Sat Jul 27 18:17:30 2013 -0400

    gcal-window: added cute close button

 src/gcal-window.c |   19 ++++++++++++++++++-
 1 files changed, 18 insertions(+), 1 deletions(-)
---
diff --git a/src/gcal-window.c b/src/gcal-window.c
index 0be8f4c..acc45d7 100644
--- a/src/gcal-window.c
+++ b/src/gcal-window.c
@@ -309,6 +309,10 @@ view_changed (GObject    *object,
 
   priv = gcal_window_get_instance_private (GCAL_WINDOW (user_data));
 
+  /* XXX: this is the destruction process */
+  if (!gtk_widget_get_visible (priv->views_stack))
+    return;
+
   eklass = g_type_class_ref (gcal_window_view_type_get_type ());
   eval = g_enum_get_value_by_nick (
              eklass,
@@ -606,6 +610,8 @@ gcal_window_constructed (GObject *object)
   GtkWidget *box;
   GtkWidget *search_button;
   GtkWidget *menu_button;
+  GtkWidget *separator;
+  GtkWidget *close_button;
 
   gint i;
 
@@ -653,10 +659,19 @@ gcal_window_constructed (GObject *object)
                               _("Settings"));
   gd_header_button_set_symbolic_icon_name (GD_HEADER_BUTTON (menu_button),
                                            "emblem-system-symbolic");
+
   gtk_header_bar_pack_end (GTK_HEADER_BAR (priv->header_bar), menu_button);
 
-  gtk_widget_set_hexpand (priv->header_bar, TRUE);
+  separator = gtk_separator_new (GTK_ORIENTATION_VERTICAL);
+  gtk_header_bar_pack_end (GTK_HEADER_BAR (priv->header_bar), separator);
+
+  close_button = gd_header_simple_button_new ();
+  gd_header_button_set_symbolic_icon_name (GD_HEADER_BUTTON (close_button),
+                                           "window-close-symbolic");
+  gtk_button_set_relief (GTK_BUTTON (close_button), GTK_RELIEF_NONE);
+  gtk_header_bar_pack_end (GTK_HEADER_BAR (priv->header_bar), close_button);
 
+  gtk_widget_set_hexpand (priv->header_bar, TRUE);
   gtk_window_set_titlebar (GTK_WINDOW (object), priv->header_bar);
 
   /* search_bar */
@@ -755,6 +770,8 @@ gcal_window_constructed (GObject *object)
 
   g_signal_connect_swapped (priv->new_button, "clicked",
                             G_CALLBACK (gcal_window_new_event), object);
+  g_signal_connect_swapped (close_button, "clicked",
+                            G_CALLBACK (gtk_window_close), GTK_WINDOW (object));
   for (i = 0; i < 4; ++i)
     {
       g_signal_connect (priv->views[i], "create-event",