X-Git-Url: https://sigrok.org/gitweb/?p=pulseview.git;a=blobdiff_plain;f=pv%2Fview%2Ftracetreeitemowner.hpp;h=6d4b6d19ba733b2e3cf606b479941ad6309b254f;hp=cbb74427049af1db5b87eaeeb5d6ae0a31075a73;hb=752281db3591fe0eeb2590379b2055b8e05cd14f;hpb=a8743cd962b2d18082c6ddaeb554d56013919d95

diff --git a/pv/view/tracetreeitemowner.hpp b/pv/view/tracetreeitemowner.hpp
index cbb74427..6d4b6d19 100644
--- a/pv/view/tracetreeitemowner.hpp
+++ b/pv/view/tracetreeitemowner.hpp
@@ -97,6 +97,14 @@ public:
 	 */
 	std::pair<int, int> v_extents() const;
 
+	/*
+	 * Reassigns background color states to all its children, thereby
+	 * providing them with alternating backgrounds.
+	 * @param next_bgcolour_state First brightness state to use.
+	 * @return The next brightness state to use.
+	 */
+	bool reassign_bgcolour_states(bool next_bgcolour_state);
+
 public:
 	virtual void row_item_appearance_changed(bool label, bool content) = 0;