[gedit/wip/redesignsidebar] Show the right title for the sidebar headerbar

[Ignacio Casal Quinteiro <icq src gnome org>]

commit a94d4486e0f0b86e473c1d5b25f91bd0c6244f5b
Author: Ignacio Casal Quinteiro <icq gnome org>
Date:   Thu Nov 7 10:01:19 2013 +0100

    Show the right title for the sidebar headerbar

 gedit/gedit-panel.c  |   45 +++++++++++++++++++++++++++++++--------------
 gedit/gedit-window.c |    5 +++++
 2 files changed, 36 insertions(+), 14 deletions(-)
---
diff --git a/gedit/gedit-panel.c b/gedit/gedit-panel.c
index eb750df..5561198 100644
--- a/gedit/gedit-panel.c
+++ b/gedit/gedit-panel.c
@@ -67,7 +67,8 @@ struct _GeditPanelItem
 /* Properties */
 enum {
        PROP_0,
-       PROP_ORIENTATION
+       PROP_ORIENTATION,
+       PROP_ACTIVE_ITEM_LABEL
 };
 
 /* Signals */
@@ -104,6 +105,21 @@ gedit_panel_get_property (GObject    *object,
                case PROP_ORIENTATION:
                        g_value_set_enum (value, panel->priv->orientation);
                        break;
+               case PROP_ACTIVE_ITEM_LABEL:
+               {
+                       GtkWidget *item;
+                       gint page_num;
+                       GeditPanelItem *data;
+
+                       page_num = gtk_notebook_get_current_page (GTK_NOTEBOOK (panel->priv->notebook));
+                       item = gtk_notebook_get_nth_page (GTK_NOTEBOOK (panel->priv->notebook), page_num);
+                       g_return_if_fail (item != NULL);
+
+                       data = (GeditPanelItem *)g_object_get_data (G_OBJECT (item),
+                                                                   PANEL_ITEM_KEY);
+                       g_value_set_string (value, data ? data->display_name : "");
+                       break;
+               }
                default:
                        G_OBJECT_WARN_INVALID_PROPERTY_ID (object, prop_id, pspec);
                        break;
@@ -264,6 +280,15 @@ gedit_panel_class_init (GeditPanelClass *klass)
                                                            G_PARAM_CONSTRUCT_ONLY |
                                                            G_PARAM_STATIC_STRINGS));
 
+       g_object_class_install_property (object_class,
+                                        PROP_ACTIVE_ITEM_LABEL,
+                                        g_param_spec_string ("active-item-label",
+                                                             "Active item label",
+                                                             "Active item label",
+                                                             NULL,
+                                                             G_PARAM_READABLE |
+                                                             G_PARAM_STATIC_STRINGS));
+
        signals[ITEM_ADDED] =
                g_signal_new ("item_added",
                              G_OBJECT_CLASS_TYPE (klass),
@@ -322,15 +347,7 @@ notebook_page_changed (GtkNotebook *notebook,
                        guint        page_num,
                        GeditPanel  *panel)
 {
-       GtkWidget *item;
-       GeditPanelItem *data;
-
-       item = gtk_notebook_get_nth_page (notebook, page_num);
-       g_return_if_fail (item != NULL);
-
-       data = (GeditPanelItem *)g_object_get_data (G_OBJECT (item),
-                                                   PANEL_ITEM_KEY);
-       g_return_if_fail (data != NULL);
+       g_object_notify (G_OBJECT (panel), "active-item-label");
 }
 
 static void
@@ -398,10 +415,10 @@ build_notebook_for_panel (GeditPanel *panel)
 
        gtk_widget_show (GTK_WIDGET (panel->priv->notebook));
 
-       g_signal_connect (panel->priv->notebook,
-                         "switch-page",
-                         G_CALLBACK (notebook_page_changed),
-                         panel);
+       g_signal_connect_after (panel->priv->notebook,
+                               "switch-page",
+                               G_CALLBACK (notebook_page_changed),
+                               panel);
 }
 
 static void
diff --git a/gedit/gedit-window.c b/gedit/gedit-window.c
index 176572f..5704bb0 100644
--- a/gedit/gedit-window.c
+++ b/gedit/gedit-window.c
@@ -3226,6 +3226,11 @@ gedit_window_init (GeditWindow *window)
                                window->priv->side_headerbar,
                                "visible",
                                G_BINDING_DEFAULT | G_BINDING_SYNC_CREATE);
+       g_object_bind_property (window->priv->side_panel,
+                               "active-item-label",
+                               window->priv->side_headerbar,
+                               "title",
+                               G_BINDING_DEFAULT);
        g_object_bind_property (window->priv->titlebar_paned,
                                "position",
                                window->priv->hpaned,