X-Git-Url: https://sigrok.org/gitweb/?a=blobdiff_plain;f=pv%2Fview%2Fruler.h;h=dc4e7bb73139530cf870dacb5f06010e7c432050;hb=77243b3e8c8a8b3c7742d4d4064ea236d1d81496;hp=f855185b904a75209ce521ec12c4399913bd6d5e;hpb=640d091b45b196cc586fbc6a7bec71c5c7d75544;p=pulseview.git

diff --git a/pv/view/ruler.h b/pv/view/ruler.h
index f855185b..dc4e7bb7 100644
--- a/pv/view/ruler.h
+++ b/pv/view/ruler.h
@@ -21,32 +21,61 @@
 #ifndef PULSEVIEW_PV_VIEW_RULER_H
 #define PULSEVIEW_PV_VIEW_RULER_H
 
-#include <QWidget>
+#include <boost/weak_ptr.hpp>
+
+#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();
+
+	static QString format_time(double t, unsigned int prefix,
+		unsigned precision = 0);
+
+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;
+	boost::weak_ptr<TimeMarker> _grabbed_marker;
+	QPoint _mouse_down_point;
+	bool _dragging;
 };
 
 } // namespace view