[gtk/matthiasc/for-master: 3/3] dropdown: Add an icon the search entry

[Matthias Clasen <matthiasc src gnome org>]

commit 3a08706e4034d0bf4ddfc7516a178a63287e2120
Author: Matthias Clasen <mclasen redhat com>
Date:   Thu Oct 22 14:33:41 2020 -0400

    dropdown: Add an icon the search entry
    
    A small detail for #3291.

 gtk/gtkdropdown.c | 10 ++++++++++
 1 file changed, 10 insertions(+)
---
diff --git a/gtk/gtkdropdown.c b/gtk/gtkdropdown.c
index 80dc7a1ae6..d33f1e9524 100644
--- a/gtk/gtkdropdown.c
+++ b/gtk/gtkdropdown.c
@@ -251,6 +251,8 @@ gtk_drop_down_dispose (GObject *object)
 {
   GtkDropDown *self = GTK_DROP_DOWN (object);
 
+  gtk_widget_unparent (gtk_widget_get_first_child (self->search_entry));
+
   g_clear_pointer (&self->popup, gtk_widget_unparent);
   g_clear_pointer (&self->button, gtk_widget_unparent);
 
@@ -594,11 +596,19 @@ set_default_factory (GtkDropDown *self)
 static void
 gtk_drop_down_init (GtkDropDown *self)
 {
+  GtkWidget *icon;
+
   g_type_ensure (GTK_TYPE_BUILTIN_ICON);
   g_type_ensure (GTK_TYPE_LIST_ITEM_WIDGET);
 
   gtk_widget_init_template (GTK_WIDGET (self));
 
+  icon = g_object_new (GTK_TYPE_IMAGE,
+                       "accessible-role", GTK_ACCESSIBLE_ROLE_NONE,
+                       "icon-name", "system-search-symbolic",
+                       NULL);
+  gtk_widget_insert_after (icon, self->search_entry, NULL);
+
   set_default_factory (self);
 }