From bbd29b69c6cc917c2827939855c27c9653d3be1f Mon Sep 17 00:00:00 2001
From: Robert Fewell <14uBobIT@gmail.com>
Date: Sun, 23 Jul 2017 11:36:05 +0100
Subject: [PATCH] Fix critical error when Gnucash closes with report pages open

Prior to Gtk version 3.20, when using gtk_container_remove the removed
widget was required to be the direct child of the container.
---
 src/html/gnc-html-webkit2.c | 7 +++++++
 1 file changed, 7 insertions(+)

diff --git a/src/html/gnc-html-webkit2.c b/src/html/gnc-html-webkit2.c
index 70badc6969..a5ae409622 100644
--- a/src/html/gnc-html-webkit2.c
+++ b/src/html/gnc-html-webkit2.c
@@ -245,8 +245,15 @@ gnc_html_webkit_dispose( GObject* obj )
 
      if ( priv->web_view != NULL )
      {
+         // In Gtk Version 3.20 they relaxed the fact that the widget should be a
+         // direct child of the container otherwise it would be a critical error
+#if GTK_CHECK_VERSION(3,20,0)
           gtk_container_remove( GTK_CONTAINER(priv->base.container),
                                 GTK_WIDGET(priv->web_view) );
+#else
+          GtkWidget *parent = gtk_widget_get_parent(GTK_WIDGET(priv->web_view));
+          gtk_container_remove( GTK_CONTAINER(priv->base.container), parent);
+#endif
           priv->web_view = NULL;
      }