X-Git-Url: https://sigrok.org/gitweb/?p=pulseview.git;a=blobdiff_plain;f=signal.h;h=ee051dca62d315ebe307ea1d51ce520c4a5858b5;hp=47e1dc915b4e50b873b58b6540c748d105e87cff;hb=e3f65ace22c6bcd371967302f8d01d0769e3a23f;hpb=f556bc6a4d1798e59f6d0276cdb0d55b5ffab476

diff --git a/signal.h b/signal.h
index 47e1dc91..ee051dca 100644
--- a/signal.h
+++ b/signal.h
@@ -19,7 +19,11 @@
  */
 
 #include <boost/shared_ptr.hpp>
+
+#include <QGLWidget>
+#include <QRect>
 #include <QString>
+
 #include <stdint.h>
 
 class SignalData;
@@ -32,6 +36,8 @@ protected:
 public:
 	QString get_name() const;
 
+	virtual void paint(QGLWidget &widget, const QRect &rect) = 0;
+
 protected:
 	QString _name;
 	boost::shared_ptr<SignalData> _data;