[gtk+/wip/emoji/preview: 5/5] Emoji: Make search case-insensitive

[Matthias Clasen <matthiasc src gnome org>]

commit 729b423613f565393e898501ad93c772b88237d8
Author: Matthias Clasen <mclasen redhat com>
Date:   Sun Aug 27 17:10:28 2017 -0400

    Emoji: Make search case-insensitive
    
    Translated names are inevitable going to have some capitalization,
    so be prepared to ignore it when searching.

 gtk/gtkemojichooser.c |   13 ++++++++++---
 1 files changed, 10 insertions(+), 3 deletions(-)
---
diff --git a/gtk/gtkemojichooser.c b/gtk/gtkemojichooser.c
index f2d11c5..ad6f7d5 100644
--- a/gtk/gtkemojichooser.c
+++ b/gtk/gtkemojichooser.c
@@ -459,13 +459,15 @@ filter_func (GtkFlowBoxChild *child,
   GVariant *emoji_data;
   const char *text;
   const char *name;
-  const char *translated;
+  char *cf_text;
+  char *cf_name;
   gboolean res;
 
   res = TRUE;
 
   chooser = GTK_EMOJI_CHOOSER (gtk_widget_get_ancestor (GTK_WIDGET (child), GTK_TYPE_EMOJI_CHOOSER));
   text = gtk_entry_get_text (GTK_ENTRY (chooser->search_entry));
+
   emoji_data = (GVariant *) g_object_get_data (G_OBJECT (child), "emoji-data");
 
   if (text[0] == 0)
@@ -475,8 +477,13 @@ filter_func (GtkFlowBoxChild *child,
     goto out;
 
   g_variant_get_child (emoji_data, 1, "&s", &name);
-  translated = g_dpgettext2 (GETTEXT_PACKAGE, "emoji name", name);
-  res = strstr (translated, text) != NULL;
+  name = g_dpgettext2 (GETTEXT_PACKAGE, "emoji name", name);
+
+  cf_text = g_utf8_casefold (text, -1);
+  cf_name = g_utf8_casefold (name, -1);
+  res = strstr (cf_name, cf_text) != NULL;
+  g_free (cf_text);
+  g_free (cf_name);
 
 out:
   if (res)