X-Git-Url: https://sigrok.org/gitweb/?p=pulseview.git;a=blobdiff_plain;f=pv%2Fview%2Fviewitem.hpp;h=a4eb6aef30423a79beefa6fa616357cdb8f3a483;hp=ac404ceaa415c21c72a55834633569c99eb57e85;hb=7352be721b90b630efd742b53e1a0ea16bb834b8;hpb=365ae4e6452a57b18438a66a0238d08d8045872b

diff --git a/pv/view/viewitem.hpp b/pv/view/viewitem.hpp
index ac404cea..a4eb6aef 100644
--- a/pv/view/viewitem.hpp
+++ b/pv/view/viewitem.hpp
@@ -68,6 +68,11 @@ public:
 	 */
 	virtual void select(bool select = true);
 
+	/**
+	 * Returns true if the item may be dragged/moved.
+	 */
+	virtual bool is_draggable() const;
+
 	/**
 	 * Returns true if the item is being dragged.
 	 */
@@ -99,8 +104,9 @@ 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.
@@ -108,7 +114,7 @@ public:
 	 * @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;
+	virtual QRectF hit_box_rect(const ViewItemPaintParams &pp) const;
 
 	/**
 	 * Paints the signal label.
@@ -122,21 +128,21 @@ public:
 	 * Paints the background layer of the item with a QPainter
 	 * @param p the QPainter to paint into.
 	 * @param pp the painting parameters object to paint with.
-	 **/
+	 */
 	virtual void paint_back(QPainter &p, const ViewItemPaintParams &pp);
 
 	/**
 	 * Paints the mid-layer of the item with a QPainter
 	 * @param p the QPainter to paint into.
 	 * @param pp the painting parameters object to paint with.
-	 **/
+	 */
 	virtual void paint_mid(QPainter &p, const ViewItemPaintParams &pp);
 
 	/**
 	 * Paints the foreground layer of the item with a QPainter
 	 * @param p the QPainter to paint into.
 	 * @param pp the painting parameters object to paint with.
-	 **/
+	 */
 	virtual void paint_fore(QPainter &p, const ViewItemPaintParams &pp);
 
 public: