X-Git-Url: https://sigrok.org/gitweb/?a=blobdiff_plain;f=pv%2Fview%2Ftracegroup.cpp;h=9d0465fc3c863421f69bec5eaf5740b7629e83f2;hb=e57ee799a5512ce13460b733e7ca08de8f1277cf;hp=2c49ae430642ba965f634fc1cc1c36355eba4350;hpb=722930c167711a4b59b4f4d5a9bab20d88b3f535;p=pulseview.git

diff --git a/pv/view/tracegroup.cpp b/pv/view/tracegroup.cpp
index 2c49ae43..9d0465fc 100644
--- a/pv/view/tracegroup.cpp
+++ b/pv/view/tracegroup.cpp
@@ -29,6 +29,9 @@ using std::shared_ptr;
 namespace pv {
 namespace view {
 
+const int TraceGroup::Padding = 8;
+const int TraceGroup::Width = 12;
+
 TraceGroup::~TraceGroup()
 {
 	_owner = nullptr;
@@ -72,10 +75,15 @@ void TraceGroup::paint_label(QPainter &p, int right, bool hover)
 	(void)hover;
 }
 
-QRectF TraceGroup::label_rect(int right)
+QRectF TraceGroup::label_rect(int right) const
 {
-	(void)right;
-	return QRectF();
+	QRectF rect;
+	for (const shared_ptr<RowItem> r : child_items())
+		if (r)
+			rect = rect.united(r->label_rect(right));
+
+	return QRectF(rect.x() - Width - Padding, rect.y(),
+		Width, rect.height());
 }
 
 bool TraceGroup::pt_in_label_rect(int left, int right, const QPoint &point)