X-Git-Url: http://git.code-monkey.de/?a=blobdiff_plain;f=pv%2Fview%2Ftracegroup.h;h=a9f5558f4a381893dcae3d05c9bf36d9a9742243;hb=a5d93c27b5bd6b95000e29c6cddac56ab254b289;hp=297afa82eaec28c1002bc79cbbd33a4ee47466e4;hpb=722930c167711a4b59b4f4d5a9bab20d88b3f535;p=pulseview.git

diff --git a/pv/view/tracegroup.h b/pv/view/tracegroup.h
index 297afa8..a9f5558 100644
--- a/pv/view/tracegroup.h
+++ b/pv/view/tracegroup.h
@@ -31,6 +31,10 @@ class TraceGroup : public RowItem, public RowItemOwner
 {
 	Q_OBJECT
 
+private:
+	static const int Padding;
+	static const int Width;
+
 public:
 	/**
 	 * Virtual destructor
@@ -62,6 +66,12 @@ public:
 	 */
 	virtual const pv::view::View* view() const;
 
+	/**
+	 * Computes the vertical extents of the contents of this row item.
+	 * @return A pair containing the minimum and maximum y-values.
+	 */
+	std::pair<int, int> v_extents() const;
+
 	/**
 	 * Paints the signal label.
 	 * @param p the QPainter to paint into.
@@ -77,7 +87,7 @@ public:
 	 * 	area.
 	 * @return Returns the rectangle of the signal label.
 	 */
-	QRectF label_rect(int right);
+	QRectF label_rect(int right) const;
 
 	/**
 	 * Determines if a point is in the header label rect.