Header: Keep a shared_ptr of the clicked item

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

diff --git a/pv/view/selectableitem.h b/pv/view/selectableitem.h
index 69204b29478b901ec703ee858ab3ba457ad318ec..d815bc7007507a2bbdb2d58fc675221cd5918cb0 100644 (file)
--- a/pv/view/selectableitem.h
+++ b/pv/view/selectableitem.h
@@ -23,23 +23,33 @@
 
 #include <list>
 
-#include <QObject>
+#include <QPen>
 
 class QAction;
+class QMenu;
+class QWidget;
 
 namespace pv {
+
+namespace widgets {
+class Popup;
+}
+
 namespace view {
 
 class SelectableItem : public QObject
 {
        Q_OBJECT
 
+private:
+       static const int HighlightRadius;
+
 public:
        SelectableItem();
 
 public:
        /**
-        * Returns true if the signal has been selected by the user.
+        * Returns true if the item has been selected by the user.
         */
        bool selected() const;
 
@@ -48,8 +58,47 @@ public:
         */
        void select(bool select = true);
 
+       /**
+        * Returns true if the item is being dragged.
+        */
+       bool dragging() const;
+
+       /**
+        * Retunrns the current drag point.
+        */
+       QPoint drag_point() const;
+
+       /**
+        * Sets this item into the dragged state.
+        */
+       void drag();
+
+       /**
+        * Sets this item into the un-dragged state.
+        */
+       void drag_release();
+
+       /**
+        * Get the drag point.
+        */
+       virtual QPoint point() const = 0;
+
+public:
+       virtual QMenu* create_context_menu(QWidget *parent);
+
+       virtual pv::widgets::Popup* create_popup(QWidget *parent) = 0;
+
+       virtual void delete_pressed();
+
+protected:
+       static QPen highlight_pen();
+
+protected:
+       QWidget *_context_parent;
+
 private:
        bool _selected;
+       QPoint _drag_point;
 };
 
 } // namespace view