Added decoder stack item deletion

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

diff --git a/pv/view/cursorpair.h b/pv/view/cursorpair.h
index b152b8083a2db4ff0db7932569e7ae08c836abc3..815276e24c0ca997faf2af5e780da632cb6108eb 100644 (file)
--- a/pv/view/cursorpair.h
+++ b/pv/view/cursorpair.h
@@ -23,6 +23,8 @@
 
 #include "cursor.h"
 
+#include <boost/shared_ptr.hpp>
+
 #include <QPainter>
 
 class QPainter;
@@ -32,34 +34,29 @@ namespace view {
 
 class CursorPair
 {
+private:
+       static const int DeltaPadding;
+
 public:
        /**
         * Constructor.
         * @param view A reference to the view that owns this cursor pair.
         */
-       CursorPair(const View &view);
-
-       /**
-        * Returns a reference to the first cursor.
-        */
-       Cursor& first();
+       CursorPair(View &view);
 
        /**
-        * Returns a reference to the first cursor.
+        * Returns a pointer to the first cursor.
         */
-       const Cursor& first() const;
+       boost::shared_ptr<Cursor> first() const;
 
        /**
-        * Returns a reference to the second cursor.
+        * Returns a pointer to the second cursor.
         */
-       Cursor& second();
-
-       /**
-        * Returns a reference to the second cursor.
-        */
-       const Cursor& second() const;
+       boost::shared_ptr<Cursor> second() const;
 
 public:
+       QRectF get_label_rect(const QRect &rect) const;
+
        void draw_markers(QPainter &p,
                const QRect &rect, unsigned int prefix);
 
@@ -67,11 +64,15 @@ public:
 
        void draw_viewport_foreground(QPainter &p, const QRect &rect);
 
+       void compute_text_size(QPainter &p, unsigned int prefix);
+
        std::pair<float, float> get_cursor_offsets() const;
 
 private:
-       Cursor _first, _second;
+       boost::shared_ptr<Cursor> _first, _second;
        const View &_view;
+
+       QSizeF _text_size;
 };
 
 } // namespace view