X-Git-Url: http://git.code-monkey.de/?p=pulseview.git;a=blobdiff_plain;f=pv%2Fview%2Fviewitem.hpp;h=ee77c4ae5610ef915578eac82de0e13e7ae95723;hp=eb0823e47e8f1b55b897597a0c8bf14a0b960742;hb=7a01bd3654ed046216308fa64edfd79be7cd525f;hpb=23e75650eba0491b2636de3cef87f893e38ae6f3

diff --git a/pv/view/viewitem.hpp b/pv/view/viewitem.hpp
index eb0823e..ee77c4a 100644
--- a/pv/view/viewitem.hpp
+++ b/pv/view/viewitem.hpp
@@ -18,8 +18,8 @@
  * Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA  02110-1301 USA
  */
 
-#ifndef PULSEVIEW_PV_VIEWITEM_H
-#define PULSEVIEW_PV_VIEWITEM_H
+#ifndef PULSEVIEW_PV_VIEWITEM_HPP
+#define PULSEVIEW_PV_VIEWITEM_HPP
 
 #include <list>
 
@@ -100,6 +100,14 @@ public:
 	 */
 	virtual QRectF label_rect(const QRectF &rect) const = 0;
 
+	/**
+	 * Computes the outline rectangle of the viewport hit-box.
+	 * @param rect the rectangle of the viewport area.
+	 * @return Returns the rectangle of the hit-box.
+	 * @remarks The default implementation returns an empty hit-box.
+	 */
+	virtual QRectF hit_box_rect(const QRectF &rect) const;
+
 	/**
 	 * Paints the signal label.
 	 * @param p the QPainter to paint into.
@@ -159,4 +167,4 @@ private:
 } // namespace view
 } // namespace pv
 
-#endif // PULSEVIEW_PV_VIEWITEM_H
+#endif // PULSEVIEW_PV_VIEWITEM_HPP