Don't show decoders with probes in the Stack Decoder menu

This fixes #333

diff --git a/pv/widgets/decodermenu.cpp b/pv/widgets/decodermenu.cpp
index 23c74a0ac70abe3f1e25db3e871b9a5291349fdf..ff687e4cb85a6d279d5a532b73c9ba35cebbb92d 100644 (file)
--- a/pv/widgets/decodermenu.cpp
+++ b/pv/widgets/decodermenu.cpp
@@ -36,7 +36,8 @@ DecoderMenu::DecoderMenu(QWidget *parent, bool first_level_decoder) :
                const srd_decoder *const d = (srd_decoder*)l->data;
                assert(d);
 
-               if (!first_level_decoder || d->probes || d->opt_probes) {
+               const bool have_probes = (d->probes || d->opt_probes) != 0;
+               if (first_level_decoder == have_probes) {
                        QAction *const action =
                                addAction(QString::fromUtf8(d->name));
                        action->setData(qVariantFromValue(l->data));