[gnome-flashback] desktop: include dummy icon in forall as internal child

[Alberts Muktupāvels <muktupavels src gnome org>]

commit 0beab2aa42b34e6071064ab81e2260f9153fb7e2
Author: Alberts Muktupāvels <alberts muktupavels gmail com>
Date:   Sun Dec 1 15:01:23 2019 +0200

    desktop: include dummy icon in forall as internal child

 gnome-flashback/libdesktop/gf-icon-view.c | 23 +++++++++++++++++++++++
 1 file changed, 23 insertions(+)
---
diff --git a/gnome-flashback/libdesktop/gf-icon-view.c b/gnome-flashback/libdesktop/gf-icon-view.c
index f161a15..40944e5 100644
--- a/gnome-flashback/libdesktop/gf-icon-view.c
+++ b/gnome-flashback/libdesktop/gf-icon-view.c
@@ -2543,6 +2543,25 @@ gf_icon_view_popup_menu (GtkWidget *widget)
   return FALSE;
 }
 
+static void
+gf_icon_view_forall (GtkContainer *container,
+                     gboolean      include_internals,
+                     GtkCallback   callback,
+                     gpointer      callback_data)
+{
+  GfIconView *self;
+
+  self = GF_ICON_VIEW (container);
+
+  GTK_CONTAINER_CLASS (gf_icon_view_parent_class)->forall (container,
+                                                           include_internals,
+                                                           callback,
+                                                           callback_data);
+
+  if (include_internals)
+    (* callback) (self->dummy_icon, callback_data);
+}
+
 static void
 install_signals (void)
 {
@@ -2681,10 +2700,12 @@ gf_icon_view_class_init (GfIconViewClass *self_class)
 {
   GObjectClass *object_class;
   GtkWidgetClass *widget_class;
+  GtkContainerClass *container_class;
   GtkBindingSet *binding_set;
 
   object_class = G_OBJECT_CLASS (self_class);
   widget_class = GTK_WIDGET_CLASS (self_class);
+  container_class = GTK_CONTAINER_CLASS (self_class);
 
   object_class->dispose = gf_icon_view_dispose;
   object_class->finalize = gf_icon_view_finalize;
@@ -2692,6 +2713,8 @@ gf_icon_view_class_init (GfIconViewClass *self_class)
   widget_class->draw = gf_icon_view_draw;
   widget_class->popup_menu = gf_icon_view_popup_menu;
 
+  container_class->forall = gf_icon_view_forall;
+
   install_signals ();
 
   binding_set = gtk_binding_set_by_class (widget_class);