X-Git-Url: http://git.code-monkey.de/?a=blobdiff_plain;f=pv%2Fview%2Fruler.h;h=08a9c0e1fdf0128827bbc4c4c016fccd60d8fb2d;hb=9a5624cf59195fc63ab34addbcbd010f472ccb59;hp=7514aeca86672d849f82019b1c257232f6afba16;hpb=58864c5c5dffac4254f199356aaeb5eabd608630;p=pulseview.git

diff --git a/pv/view/ruler.h b/pv/view/ruler.h
index 7514aec..08a9c0e 100644
--- a/pv/view/ruler.h
+++ b/pv/view/ruler.h
@@ -21,44 +21,45 @@
 #ifndef PULSEVIEW_PV_VIEW_RULER_H
 #define PULSEVIEW_PV_VIEW_RULER_H
 
-#include <boost/weak_ptr.hpp>
+#include <memory>
 
 #include "marginwidget.h"
 
 namespace pv {
 namespace view {
 
-class TimeMarker;
-class View;
-
 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();
+	/**
+	 * Find a tick spacing and number formatting that does not cause
+	 * the values to collide.
+	 * @param p A QPainter used to determine the needed space for the values.
+	 * @param scale A pv::view::View's scale.
+	 * @param offset A pv::view::View's offset.
+	 *
+	 * @return The tick period to use in 'first' and the prefix in 'second'.
+	 */
+	static std::pair<double, unsigned int> calculate_tick_spacing(
+		QPainter& p, double scale, double offset);
 
-	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.
@@ -67,9 +68,6 @@ private:
 
 private slots:
 	void hover_point_changed();
-
-private:
-	boost::weak_ptr<TimeMarker> _grabbed_marker;
 };
 
 } // namespace view