[gtksourceview] Do not start interactive completion on non-editable parts of the buffer

[Jesse van den Kieboom <jessevdk src gnome org>]

commit 0107850e094251e6d1bc49ae57eabfa132064c9a
Author: Jesse van den Kieboom <jesse vandenkieboom epfl ch>
Date:   Sat Jan 2 12:02:08 2010 +0100

    Do not start interactive completion on non-editable parts of the buffer

 gtksourceview/gtksourcecompletion.c |    6 ++++++
 1 files changed, 6 insertions(+), 0 deletions(-)
---
diff --git a/gtksourceview/gtksourcecompletion.c b/gtksourceview/gtksourcecompletion.c
index 48ac4f0..470ba7c 100644
--- a/gtksourceview/gtksourcecompletion.c
+++ b/gtksourceview/gtksourcecompletion.c
@@ -1608,6 +1608,12 @@ update_interactive_completion (GtkSourceCompletion *completion,
                                GtkTextIter         *iter,
                                gboolean             start_completion)
 {
+	/* Only handle interactive completion in editable parts of the buffer */
+	if (!gtk_text_iter_editable (iter, gtk_text_view_get_editable (GTK_TEXT_VIEW (completion->priv->view))))
+	{
+		return;
+	}
+
 	if (completion->priv->context == NULL)
 	{
 		/* Schedule for interactive showing */