RowItem: Derrive from std::enable_shared_from_this

[pulseview.git] / pv / view / rowitem.h

diff --git a/pv/view/rowitem.h b/pv/view/rowitem.h
index 130904a2251e0d6da130a26fd7e11e2447496bfb..2133db878188ba906f17619d2d8a1c06fb250f06 100644 (file)
--- a/pv/view/rowitem.h
+++ b/pv/view/rowitem.h
@@ -21,6 +21,8 @@
 #ifndef PULSEVIEW_PV_VIEW_HEADERITEM_H
 #define PULSEVIEW_PV_VIEW_HEADERITEM_H
 
+#include <memory>
+
 #include "selectableitem.h"
 
 namespace pv {
@@ -28,8 +30,11 @@ namespace view {
 
 class RowItemOwner;
 
-class RowItem : public SelectableItem
+class RowItem : public SelectableItem,
+       public std::enable_shared_from_this<pv::view::RowItem>
 {
+       Q_OBJECT
+
 public:
        /**
         * Constructor.
@@ -51,6 +56,11 @@ public:
         */
        void set_v_offset(int v_offset);
 
+       /**
+        * Gets the owner this trace in the view trace hierachy.
+        */
+       pv::view::RowItemOwner* owner() const;
+
        /**
         * Sets the owner this trace in the view trace hierachy.
         * @param The new owner of the trace.
@@ -62,6 +72,11 @@ public:
         */
        int get_y() const;
 
+       /**
+        * Gets the drag point of the row item.
+        */
+       QPoint point() const;
+
        /**
         * Paints the background layer of the trace with a QPainter
         * @param p the QPainter to paint into.
@@ -101,11 +116,14 @@ 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;