[gtk/wip/baedert/for-master: 3/5] fixed: Implement dispose()

[Timm Bäder <baedert src gnome org>]

commit f6b576e0aed0b3fd1d9b538dd6c5154ada4371cd
Author: Timm Bäder <mail baedert org>
Date:   Thu Oct 3 11:50:06 2019 +0200

    fixed: Implement dispose()

 gtk/gtkfixed.c | 21 +++++++++++++++++++++
 1 file changed, 21 insertions(+)
---
diff --git a/gtk/gtkfixed.c b/gtk/gtkfixed.c
index 8049b70e43..984693aaea 100644
--- a/gtk/gtkfixed.c
+++ b/gtk/gtkfixed.c
@@ -92,12 +92,33 @@ typedef struct {
 
 G_DEFINE_TYPE_WITH_PRIVATE (GtkFixed, gtk_fixed, GTK_TYPE_CONTAINER)
 
+static void
+gtk_fixed_dispose (GObject *object)
+{
+  GtkWidget *child;
+
+  child = gtk_widget_get_first_child (GTK_WIDGET (object));
+  while (child)
+    {
+      GtkWidget *next = gtk_widget_get_next_sibling (child);
+
+      gtk_widget_unparent (child);
+
+      child = next;
+    }
+
+  G_OBJECT_CLASS (gtk_fixed_parent_class)->dispose (object);
+}
+
 static void
 gtk_fixed_class_init (GtkFixedClass *klass)
 {
+  GObjectClass *object_class = G_OBJECT_CLASS (klass);
   GtkContainerClass *container_class = GTK_CONTAINER_CLASS (klass);
   GtkWidgetClass *widget_class = GTK_WIDGET_CLASS (klass);
 
+  object_class->dispose = gtk_fixed_dispose;
+
   container_class->add = gtk_fixed_add;
   container_class->remove = gtk_fixed_remove;
   container_class->forall = gtk_fixed_forall;