ViewItem: Added a default label_rect implementation

[pulseview.git] / pv / view / viewitem.hpp

diff --git a/pv/view/viewitem.hpp b/pv/view/viewitem.hpp
index b408ec2f5fbcf5a740b65900003e4329b91a8499..32b9f995fedb642783964b6287e68fbe36c9e131 100644 (file)
--- a/pv/view/viewitem.hpp
+++ b/pv/view/viewitem.hpp
@@ -66,7 +66,7 @@ public:
        /**
         * Selects or deselects the signal.
         */
-       void select(bool select = true);
+       virtual void select(bool select = true);
 
        /**
         * Returns true if the item is being dragged.
@@ -99,8 +99,9 @@ public:
         * Computes the outline rectangle of a label.
         * @param rect the rectangle of the header area.
         * @return Returns the rectangle of the signal label.
+        * @remarks The default implementation returns an empty rectangle.
         */
-       virtual QRectF label_rect(const QRectF &rect) const = 0;
+       virtual QRectF label_rect(const QRectF &rect) const;
 
        /**
         * Computes the outline rectangle of the viewport hit-box.