X-Git-Url: http://sigrok.org/gitweb/?a=blobdiff_plain;f=pv%2Fdata%2Fdecode%2Frow.cpp;h=f1895ae4ef7c71bb100c46d645fc356cc4d78b57;hb=38b77a3ba1738aebf516491cc95e25219938a877;hp=72a6869f94250abcbe731a75d5ebcaffc3b028a2;hpb=6a26fc4417798ab21654197e105e707a14d462f0;p=pulseview.git

diff --git a/pv/data/decode/row.cpp b/pv/data/decode/row.cpp
index 72a6869f..f1895ae4 100644
--- a/pv/data/decode/row.cpp
+++ b/pv/data/decode/row.cpp
@@ -17,6 +17,8 @@
  * along with this program; if not, see <http://www.gnu.org/licenses/>.
  */
 
+#include <cassert>
+
 #include "decoder.hpp"
 #include "row.hpp"
 
@@ -75,11 +77,17 @@ const QString Row::description() const
 
 vector<AnnotationClass*> Row::ann_classes() const
 {
+	assert(decoder_);
+
 	vector<AnnotationClass*> result;
 
-	if (!srd_row_)
+	if (!srd_row_) {
+		if (index_ == 0) {
+			// When operating as the fallback row, all annotation classes belong to it
+			return decoder_->ann_classes();
+		}
 		return result;
-	assert(decoder_);
+	}
 
 	for (GSList *l = srd_row_->ann_classes; l; l = l->next) {
 		size_t class_id = (size_t)l->data;
@@ -104,6 +112,15 @@ void Row::set_visible(bool visible)
 	visible_ = visible;
 }
 
+bool Row::has_hidden_classes() const
+{
+	for (const AnnotationClass* c : ann_classes())
+		if (!c->visible)
+			return true;
+
+	return false;
+}
+
 bool Row::operator<(const Row& other) const
 {
 	return (decoder_ < other.decoder_) ||