X-Git-Url: https://sigrok.org/gitweb/?p=pulseview.git;a=blobdiff_plain;f=pv%2Fsignal.h;h=b4c4244ca3fc438f7a71441bfc0a7de80fec0674;hp=8faff77c6a11ba1dc5550b4be9cb23527724f900;hb=ed6f0f4f84a26aadacfd4d3a745a8d7f1094efc5;hpb=a29bb7fb6aa3665c21da1e06a3d3c4ca80f4437f

diff --git a/pv/signal.h b/pv/signal.h
index 8faff77c..b4c4244c 100644
--- a/pv/signal.h
+++ b/pv/signal.h
@@ -65,21 +65,25 @@ public:
 
 	/**
 	 * Determines if a point is in the header label rect.
-	 * @param p the QPainter to paint into.
 	 * @param rect the rectangular area to draw the label into.
 	 * @param point the point to test.
 	 */
-	bool pt_in_label_rect(QPainter &p, const QRect &rect,
-		const QPoint &point);
+	bool pt_in_label_rect(const QRect &rect, const QPoint &point);
 
 private:
+
+	/**
+	 * Computes an caches the size of the label text.
+	 */
+	void compute_text_size(QPainter &p);
+
 	/**
 	 * Computes the outline rectangle of a label.
 	 * @param p the QPainter to lay out text with.
 	 * @param rect The rectangle of the signal header.
 	 * @return Returns the rectangle of the signal label.
 	 */
-	virtual QRectF get_label_rect(QPainter &p, const QRect &rect);
+	QRectF get_label_rect(const QRect &rect);
 
 protected:
 	/**
@@ -95,6 +99,7 @@ protected:
 
 protected:
 	QString _name;
+	QSizeF _text_size;
 };
 
 } // namespace pv