X-Git-Url: https://sigrok.org/gitweb/?p=pulseview.git;a=blobdiff_plain;f=pv%2Fview%2Fheader.cpp;h=a7902521216a90655ba708669ab5b36b2886f52b;hp=ca5df96fca250dc23666bbdcf59f644a07083139;hb=8bd26d8b9c831b509ee3241ea4dac6f50c023622;hpb=d7c0ca4a965c5f9cb2ae9aea584bb2547f4baca1

diff --git a/pv/view/header.cpp b/pv/view/header.cpp
index ca5df96f..a7902521 100644
--- a/pv/view/header.cpp
+++ b/pv/view/header.cpp
@@ -36,8 +36,11 @@
 
 #include <pv/widgets/popup.h>
 
-using namespace boost;
-using namespace std;
+using boost::shared_ptr;
+using std::max;
+using std::make_pair;
+using std::pair;
+using std::vector;
 
 namespace pv {
 namespace view {
@@ -56,6 +59,10 @@ Header::Header(View &parent) :
 
 	connect(&_view, SIGNAL(signals_moved()),
 		this, SLOT(on_signals_moved()));
+
+	// Trigger the initial event manually. The default device has signals
+	// which were created before this object came into being
+	on_signals_changed();
 }
 
 QSize Header::sizeHint() const