[libhandy] preferences-group: Exclude hidden groups from search

[Adrien Plazas <aplazas src gnome org>]

commit 06730c156726ac5cdaac26c0c310f06659261645
Author: Alexander Mikhaylenko <alexm gnome org>
Date:   Wed Jul 29 22:14:49 2020 +0500

    preferences-group: Exclude hidden groups from search
    
    Signed-off-by: Alexander Mikhaylenko <alexm gnome org>

 src/hdy-preferences-group.c | 3 +++
 1 file changed, 3 insertions(+)
---
diff --git a/src/hdy-preferences-group.c b/src/hdy-preferences-group.c
index 672c114e..82c6d788 100644
--- a/src/hdy-preferences-group.c
+++ b/src/hdy-preferences-group.c
@@ -435,5 +435,8 @@ hdy_preferences_group_add_preferences_to_model (HdyPreferencesGroup *self,
   g_return_if_fail (HDY_IS_PREFERENCES_GROUP (self));
   g_return_if_fail (G_IS_LIST_STORE (model));
 
+  if (!gtk_widget_get_visible (GTK_WIDGET (self)))
+    return;
+
   gtk_container_foreach (GTK_CONTAINER (priv->listbox), (GtkCallback) add_preferences_to_model, model);
 }