[gnome-software] Make category name sorting case insensitive

[Robert Ancell <rancell src gnome org>]

commit 101da4b3ec219ede691e6d6b754b5590b05a8afd
Author: Robert Ancell <robert ancell canonical com>
Date:   Mon Jan 22 16:47:12 2018 +1300

    Make category name sorting case insensitive

 src/gs-category-page.c |    9 ++++++++-
 1 files changed, 8 insertions(+), 1 deletions(-)
---
diff --git a/src/gs-category-page.c b/src/gs-category-page.c
index beea2ed..1a01bf2 100644
--- a/src/gs-category-page.c
+++ b/src/gs-category-page.c
@@ -187,6 +187,8 @@ gs_category_page_sort_flow_box_sort_func (GtkFlowBoxChild *child1,
        GsApp *app1 = gs_app_tile_get_app (GS_APP_TILE (gtk_bin_get_child (GTK_BIN (child1))));
        GsApp *app2 = gs_app_tile_get_app (GS_APP_TILE (gtk_bin_get_child (GTK_BIN (child2))));
        SubcategorySortType sort_type;
+       g_autofree gchar *casefolded_name1 = NULL;
+       g_autofree gchar *casefolded_name2 = NULL;
 
        if (!GS_IS_APP (app1) || !GS_IS_APP (app2))
                return 0;
@@ -201,7 +203,12 @@ gs_category_page_sort_flow_box_sort_func (GtkFlowBoxChild *child1,
                if (rating_app1 < rating_app2)
                        return 1;
        }
-       return g_strcmp0 (gs_app_get_name (app1), gs_app_get_name (app2));
+
+       if (gs_app_get_name (app1) != NULL)
+               casefolded_name1 = g_utf8_casefold (gs_app_get_name (app1), -1);
+       if (gs_app_get_name (app2) != NULL)
+               casefolded_name2 = g_utf8_casefold (gs_app_get_name (app2), -1);
+       return g_strcmp0 (casefolded_name1, casefolded_name2);
 }
 
 static void