X-Git-Url: https://sigrok.org/gitweb/?a=blobdiff_plain;f=pv%2Fview%2Fcursor.h;h=48bf7a0ee930ab49a7975af25d0ed8ba38588afc;hb=8b454527dc987d552b189099ee61cf699095aa7e;hp=ec51b81abdb4cfd495a358200eb543a1b9392069;hpb=3efda736308edc11468a4b59bdb28d5793902529;p=pulseview.git

diff --git a/pv/view/cursor.h b/pv/view/cursor.h
index ec51b81a..48bf7a0e 100644
--- a/pv/view/cursor.h
+++ b/pv/view/cursor.h
@@ -23,6 +23,10 @@
 
 #include "timemarker.h"
 
+#include <QSizeF>
+
+class QPainter;
+
 namespace pv {
 namespace view {
 
@@ -30,32 +34,52 @@ class Cursor : public TimeMarker
 {
 	Q_OBJECT
 
-private:
+public:
 	static const QColor LineColour;
 	static const QColor FillColour;
 	static const QColor HighlightColour;
+	static const QColor TextColour;
 
-	static const int Size;
 	static const int Offset;
 
+	static const int ArrowSize;
+
 public:
 	/**
 	 * Constructor.
-	 * @param colour A reference to the colour of this cursor.
+	 * @param view A reference to the view that owns this cursor pair.
 	 * @param time The time to set the flag to.
+	 * @param other A reference to the other cursor.
 	 */
-	Cursor(const View &view, double time);
+	Cursor(const View &view, double time, Cursor &other);
 
 public:
+	/**
+	 * Gets the marker label rectangle.
+	 * @param rect The rectangle of the ruler client area.
+	 * @return Returns the label rectangle.
+	 */
+	QRectF get_label_rect(const QRect &rect) const;
+
 	/**
 	 * Paints the cursor's label to the ruler.
 	 * @param p The painter to draw with.
 	 * @param rect The rectangle of the ruler client area.
+	 * @param prefix The index of the SI prefix to use.
 	 */
-	void paint_label(QPainter &p, const QRect &rect);
+	void paint_label(QPainter &p, const QRect &rect,
+		unsigned int prefix);
+
+private:
+	void compute_text_size(QPainter &p, unsigned int prefix);
+
+private:
+	const Cursor &_other;
+
+	QSizeF _text_size;
 };
 
 } // namespace view
 } // namespace pv
 
-#endif // PULSEVIEW_PV_VIEW_CURSOR_H
\ No newline at end of file
+#endif // PULSEVIEW_PV_VIEW_CURSOR_H