From d398fae121af7e46c9a3fa996ff596867a61cfdc Mon Sep 17 00:00:00 2001
From: Alex Merry <dev@randomguy3.me.uk>
Date: Sun, 24 Mar 2013 16:46:00 +0000
Subject: GTK: highlight the bad symbol on parse errors

---
 tikzit/src/gtk/gtkhelpers.m | 8 ++++++++
 1 file changed, 8 insertions(+)

(limited to 'tikzit/src/gtk/gtkhelpers.m')

diff --git a/tikzit/src/gtk/gtkhelpers.m b/tikzit/src/gtk/gtkhelpers.m
index b3a3cf7..e6b1aef 100644
--- a/tikzit/src/gtk/gtkhelpers.m
+++ b/tikzit/src/gtk/gtkhelpers.m
@@ -243,4 +243,12 @@ void widget_clear_error (GtkWidget *widget) {
     gtk_widget_modify_base (widget, GTK_STATE_NORMAL, NULL);
 }
 
+void text_buffer_clear_tag (GtkTextBuffer *buffer, GtkTextTag *tag) {
+    GtkTextIter start;
+    GtkTextIter end;
+    gtk_text_buffer_get_start_iter (buffer, &start);
+    gtk_text_buffer_get_end_iter (buffer, &end);
+    gtk_text_buffer_remove_tag (buffer, tag, &start, &end);
+}
+
 // vim:ft=objc:ts=8:et:sts=4:sw=4
-- 
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