X-Git-Url: https://sigrok.org/gitweb/?a=blobdiff_plain;f=pv%2Fview%2Fcursorpair.h;h=6c56dcd71dc89499dc8a5eceecd6593f43be1a85;hb=0dda6fe595932b2e340930104fad8ac4fc574895;hp=b152b8083a2db4ff0db7932569e7ae08c836abc3;hpb=199441e4fe68f1ee45f3d4b7617a7166a87c7926;p=pulseview.git

diff --git a/pv/view/cursorpair.h b/pv/view/cursorpair.h
index b152b808..6c56dcd7 100644
--- a/pv/view/cursorpair.h
+++ b/pv/view/cursorpair.h
@@ -23,6 +23,8 @@
 
 #include "cursor.h"
 
+#include <memory>
+
 #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;
+	std::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;
+	std::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;
+	std::shared_ptr<Cursor> _first, _second;
 	const View &_view;
+
+	QSizeF _text_size;
 };
 
 } // namespace view