tweak "joined" buttons to have no border color

git-svn-id: svn://localhost/ardour2/branches/3.0@11460 d708f5d6-7413-0410-9779-e7cbd77b26cf

1 files changed, 9 insertions, 0 deletions

diff --git a/gtk2_ardour/ardour_button.cc b/gtk2_ardour/ardour_button.cc
index 538ab3a442..9ed7b98254 100644
--- a/gtk2_ardour/ardour_button.cc
+++ b/gtk2_ardour/ardour_button.cc
@@ -345,6 +345,7 @@ ArdourButton::set_colors ()
 	
 	if (edge_pattern) {
 		cairo_pattern_destroy (edge_pattern);
+		edge_pattern = 0;
 	}
 
 	if (_elements & Edge) {
@@ -369,6 +370,7 @@ ArdourButton::set_colors ()
 
 	if (fill_pattern) {
 		cairo_pattern_destroy (fill_pattern);
+		fill_pattern = 0;
 	}
 
 	if (_elements & Body) {
@@ -722,3 +724,10 @@ ArdourButton::set_rounded_corner_mask (int mask)
 	_corner_mask = mask;
 	queue_draw ();
 }
+
+void
+ArdourButton::set_elements (Element e)
+{
+	_elements = e;
+	set_colors ();
+}