Replaced boost::shared_ptr with std::shared_ptr

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

diff --git a/pv/view/ruler.h b/pv/view/ruler.h
index f855185b904a75209ce521ec12c4399913bd6d5e..e7575db1d534fe8a37af3cde9f8f4f08ddef019b 100644 (file)
--- a/pv/view/ruler.h
+++ b/pv/view/ruler.h
@@ -21,32 +21,55 @@
 #ifndef PULSEVIEW_PV_VIEW_RULER_H
 #define PULSEVIEW_PV_VIEW_RULER_H
 
-#include <QWidget>
+#include <memory>
+
+#include "marginwidget.h"
 
 namespace pv {
 namespace view {
 
+class TimeMarker;
 class View;
 
-class Ruler : public QWidget
+class Ruler : public MarginWidget
 {
        Q_OBJECT
 
 private:
+       static const int RulerHeight;
        static const int MinorTickSubdivision;
        static const int ScaleUnits[3];
 
-       static const QString SIPrefixes[9];
-       static const int FirstSIPrefixPower;
+       static const int HoverArrowSize;
 
 public:
        Ruler(View &parent);
 
+       void clear_selection();
+
+public:
+       QSize sizeHint() const;
+
 private:
        void paintEvent(QPaintEvent *event);
 
+       void mouseMoveEvent(QMouseEvent *e);
+       void mousePressEvent(QMouseEvent *e);
+       void mouseReleaseEvent(QMouseEvent *);
+
+private:
+       /**
+        * Draw a hover arrow under the cursor position.
+        */
+       void draw_hover_mark(QPainter &p);
+
+private slots:
+       void hover_point_changed();
+
 private:
-       View &_view;
+       std::weak_ptr<TimeMarker> _grabbed_marker;
+       QPoint _mouse_down_point;
+       bool _dragging;
 };
 
 } // namespace view