[gnome-software] details page: Sort the items in the Source drop down

[Kalev Lember <klember src gnome org>]

commit 8fc50d5ed6c01a804405790760160e1a530b1ba5
Author: Kalev Lember <klember redhat com>
Date:   Tue Mar 5 10:36:46 2019 +0100

    details page: Sort the items in the Source drop down

 src/gs-details-page.c | 17 ++++++++++++++++-
 1 file changed, 16 insertions(+), 1 deletion(-)
---
diff --git a/src/gs-details-page.c b/src/gs-details-page.c
index eda83dd5..05fdf693 100644
--- a/src/gs-details-page.c
+++ b/src/gs-details-page.c
@@ -2,7 +2,7 @@
  *
  * Copyright (C) 2013-2017 Richard Hughes <richard hughsie com>
  * Copyright (C) 2013 Matthias Clasen <mclasen redhat com>
- * Copyright (C) 2014-2018 Kalev Lember <klember redhat com>
+ * Copyright (C) 2014-2019 Kalev Lember <klember redhat com>
  *
  * SPDX-License-Identifier: GPL-2.0+
  */
@@ -2013,6 +2013,18 @@ gs_details_page_reload (GsPage *page)
                gs_details_page_load_stage1 (self);
 }
 
+static gint
+origin_popover_list_sort_func (GtkListBoxRow *a,
+                               GtkListBoxRow *b,
+                               gpointer user_data)
+{
+       GsApp *a1 = gs_origin_popover_row_get_app (GS_ORIGIN_POPOVER_ROW (a));
+       GsApp *a2 = gs_origin_popover_row_get_app (GS_ORIGIN_POPOVER_ROW (b));
+
+       return g_strcmp0 (gs_app_get_origin_ui (a1),
+                         gs_app_get_origin_ui (a2));
+}
+
 static void
 origin_popover_row_activated_cb (GtkListBox *list_box,
                                  GtkListBoxRow *row,
@@ -2597,6 +2609,9 @@ gs_details_page_setup (GsPage *page,
                          G_CALLBACK (gs_details_page_activate_link_cb),
                          self);
        origin_popover_list_box = GTK_WIDGET (gtk_builder_get_object (self->builder, 
"origin_popover_list_box"));
+       gtk_list_box_set_sort_func (GTK_LIST_BOX (origin_popover_list_box),
+                                   origin_popover_list_sort_func,
+                                   NULL, NULL);
        gtk_list_box_set_header_func (GTK_LIST_BOX (origin_popover_list_box),
                                      list_header_func,
                                      NULL, NULL);