[gtksourceview] Repopulate style schemes if they change

[Ignacio Casal Quinteiro <icq src gnome org>]

commit 49c13041cc9ac2f455f43d0814deaa7d56fa5c2a
Author: Ignacio Casal Quinteiro <icq gnome org>
Date:   Tue Dec 30 17:16:17 2014 +0100

    Repopulate style schemes if they change

 gtksourceview/gtksourcestyleschemechooserwidget.c |   28 +++++++++++++++++++++
 1 files changed, 28 insertions(+), 0 deletions(-)
---
diff --git a/gtksourceview/gtksourcestyleschemechooserwidget.c 
b/gtksourceview/gtksourcestyleschemechooserwidget.c
index f0e8a6d..a317ba7 100644
--- a/gtksourceview/gtksourcestyleschemechooserwidget.c
+++ b/gtksourceview/gtksourcestyleschemechooserwidget.c
@@ -114,9 +114,16 @@ gtk_source_style_scheme_chooser_widget_populate (GtkSourceStyleSchemeChooserWidg
        GtkSourceLanguageManager *lm;
        GtkSourceLanguage *lang;
        GtkSourceStyleSchemeManager *manager;
+       GtkSourceStyleScheme *selected_scheme;
        const gchar * const *scheme_ids;
        guint i;
 
+       selected_scheme = gtk_source_style_scheme_chooser_get_style_scheme (GTK_SOURCE_STYLE_SCHEME_CHOOSER 
(widget));
+
+       gtk_container_foreach (GTK_CONTAINER (priv->list_box),
+                              (GtkCallback)gtk_widget_destroy,
+                              NULL);
+
        manager = gtk_source_style_scheme_manager_get_default ();
        scheme_ids = gtk_source_style_scheme_manager_get_scheme_ids (manager);
 
@@ -131,14 +138,35 @@ gtk_source_style_scheme_chooser_widget_populate (GtkSourceStyleSchemeChooserWidg
                scheme = gtk_source_style_scheme_manager_get_scheme (manager, scheme_ids [i]);
                row = make_row (scheme, lang);
                gtk_container_add (GTK_CONTAINER (priv->list_box), GTK_WIDGET (row));
+
+               if (scheme == selected_scheme)
+               {
+                       gtk_list_box_select_row (priv->list_box, GTK_LIST_BOX_ROW (row));
+               }
        }
 }
 
 static void
+on_scheme_ids_changed (GtkSourceStyleSchemeManager       *manager,
+                       GParamSpec                        *pspec,
+                       GtkSourceStyleSchemeChooserWidget *widget)
+{
+       gtk_source_style_scheme_chooser_widget_populate (widget);
+}
+
+static void
 gtk_source_style_scheme_chooser_widget_constructed (GObject *object)
 {
+       GtkSourceStyleSchemeManager *manager;
+
        G_OBJECT_CLASS (gtk_source_style_scheme_chooser_widget_parent_class)->constructed (object);
 
+       manager = gtk_source_style_scheme_manager_get_default ();
+       g_signal_connect (manager,
+                         "notify::scheme-ids",
+                         G_CALLBACK (on_scheme_ids_changed),
+                         object);
+
        gtk_source_style_scheme_chooser_widget_populate (GTK_SOURCE_STYLE_SCHEME_CHOOSER_WIDGET (object));
 }