Added cursors

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

diff --git a/pv/view/view.h b/pv/view/view.h
index 6e5710fede733d2aa926236048d94247984dbd99..13dd766ce788d1aa5a536a837654bb7066f081c8 100644 (file)
--- a/pv/view/view.h
+++ b/pv/view/view.h
@@ -23,8 +23,12 @@
 
 #include <stdint.h>
 
+#include <utility>
+
 #include <QAbstractScrollArea>
 
+#include "cursor.h"
+
 namespace pv {
 
 class SigSession;
@@ -50,20 +54,50 @@ private:
 public:
        static const int SignalHeight;
 
+       static const QColor CursorAreaColour;
+
 public:
        explicit View(SigSession &session, QWidget *parent = 0);
 
        SigSession& session();
 
+       /**
+        * Returns the view time scale in seconds per pixel.
+        */
        double scale() const;
+
+       /**
+        * Returns the time offset of the left edge of the view in
+        * seconds.
+        */
        double offset() const;
        int v_offset() const;
 
        void zoom(double steps);
        void zoom(double steps, int offset);
 
+       /**
+        * Sets the scale and offset.
+        * @param scale The new view scale in seconds per pixel.
+        * @param offset The view time offset in seconds.
+        */
        void set_scale_offset(double scale, double offset);
 
+       /**
+        * Returns true if cursors are displayed. false otherwise.
+        */
+       bool cursors_shown() const;
+
+       /**
+        * Shows or hides the cursors.
+        */
+       void show_cursors(bool show = true);
+
+       /**
+        * Returns a reference to the pair of cursors.
+        */
+       std::pair<Cursor, Cursor>& cursors();
+
        const QPoint& hover_point() const;
 
 signals:
@@ -97,11 +131,17 @@ private:
 
        uint64_t _data_length;
 
+       /// The view time scale in seconds per pixel.
        double _scale;
+
+       /// The view time offset in seconds.
        double _offset;
 
        int _v_offset;
 
+       bool _show_cursors;
+       std::pair<Cursor, Cursor> _cursors;
+
        QPoint _hover_point;
 };