X-Git-Url: https://main.carlh.net/gitweb/?a=blobdiff_plain;f=gtk2_ardour%2Fselectable.h;h=51fc5da027bafb62d5013dc336d0215e22b5558b;hb=185be4e841e182bbe7cb7820f9cb6371ebebe15d;hp=fdd6f7ff9f1fc298a29e45ae60aab8f4cbede3cc;hpb=209d967b1bb80a9735d690d8f4f0455ecb9970ca;p=ardour.git

diff --git a/gtk2_ardour/selectable.h b/gtk2_ardour/selectable.h
index fdd6f7ff9f..51fc5da027 100644
--- a/gtk2_ardour/selectable.h
+++ b/gtk2_ardour/selectable.h
@@ -15,13 +15,14 @@
     along with this program; if not, write to the Free Software
     Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
 
-    $Id$
 */
 
 #ifndef __ardour_gtk_selectable_h__
 #define __ardour_gtk_selectable_h__
 
-class Selectable 
+#include <sigc++/signal.h>
+
+class Selectable : public virtual sigc::trackable
 {
   public:
 	Selectable() {
@@ -30,10 +31,20 @@ class Selectable
 
 	virtual ~Selectable() {}
 
-	virtual void set_selected (bool) {
-		_selected = true;
+	virtual void set_selected (bool yn) {
+		if (yn != _selected) {
+			_selected = yn;
+			Selected (_selected); /* EMIT_SIGNAL */
+		}
+	}
+
+	bool get_selected() const {
+		return _selected;
 	}
 
+	/** Emitted when the selected status of this Selectable changes */
+	sigc::signal<void, bool> Selected ;
+
   protected:
 	bool _selected;
 };