X-Git-Url: https://sigrok.org/gitweb/?a=blobdiff_plain;f=pv%2Fview%2Frowitem.h;h=161e828917aec9ea8acb98ad8550898fd252c7c8;hb=7ccd5a64548bccac7c172f9d5649f936044a5fa1;hp=fb09edaa3cc76b52e00f3bca94c613efc7de8fbe;hpb=bd9a1f175057487cff3cb3cc62bc9595e19945be;p=pulseview.git

diff --git a/pv/view/rowitem.h b/pv/view/rowitem.h
index fb09edaa..161e8289 100644
--- a/pv/view/rowitem.h
+++ b/pv/view/rowitem.h
@@ -30,6 +30,8 @@ class RowItemOwner;
 
 class RowItem : public SelectableItem
 {
+	Q_OBJECT
+
 public:
 	/**
 	 * Constructor.
@@ -106,11 +108,14 @@ public:
 	 * 	area.
 	 * @return Returns the rectangle of the signal label.
 	 */
-	virtual QRectF label_rect(int right) = 0;
+	virtual QRectF label_rect(int right) const = 0;
 
 public:
 	virtual void hover_point_changed();
 
+Q_SIGNALS:
+	void appearance_changed();
+
 protected:
 	pv::view::RowItemOwner *_owner;