X-Git-Url: http://git.code-monkey.de/?a=blobdiff_plain;f=pv%2Fview%2Fruler.h;h=461ec05cfbd0e7ef97bb44de2ca0f579543b0424;hb=c23b29d67ed68c1a899000bf0049056fe9f51a62;hp=7eccc8cdda9d2222fc2c300fa0d971c9a3373d14;hpb=ccdd3ef548ce34f25c6c168598556a350831aa37;p=pulseview.git

diff --git a/pv/view/ruler.h b/pv/view/ruler.h
index 7eccc8c..461ec05 100644
--- a/pv/view/ruler.h
+++ b/pv/view/ruler.h
@@ -1,5 +1,5 @@
 /*
- * This file is part of the sigrok project.
+ * This file is part of the PulseView project.
  *
  * Copyright (C) 2012 Joel Holdsworth <joel@airwebreathe.org.uk>
  *
@@ -18,17 +18,18 @@
  * Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA  02110-1301 USA
  */
 
-#ifndef PV_VIEW_RULER_H
-#define PV_VIEW_RULER_H
+#ifndef PULSEVIEW_PV_VIEW_RULER_H
+#define PULSEVIEW_PV_VIEW_RULER_H
 
-#include <QWidget>
+#include "marginwidget.h"
 
 namespace pv {
 namespace view {
 
+class TimeMarker;
 class View;
 
-class Ruler : public QWidget
+class Ruler : public MarginWidget
 {
 	Q_OBJECT
 
@@ -39,17 +40,35 @@ private:
 	static const QString SIPrefixes[9];
 	static const int FirstSIPrefixPower;
 
+	static const int HoverArrowSize;
+
 public:
 	Ruler(View &parent);
 
+	static QString format_time(double t, unsigned int prefix,
+		unsigned precision = 0);
+
 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;
+	TimeMarker *_grabbed_marker;
 };
 
 } // namespace view
 } // namespace pv
 
-#endif // PV_VIEW_HEADER_H
+#endif // PULSEVIEW_PV_VIEW_RULER_H