X-Git-Url: https://sigrok.org/gitweb/?p=pulseview.git;a=blobdiff_plain;f=pv%2Fview%2Fviewport.cpp;h=3b06cf9e85e0bc31a5c8f4e7edba38be8aaaa119;hp=e9a1442217d7bc1bd600f6432e0002c7ed0543e3;hb=9f46d9058be2cc2b11ccecb0ba4c4f61d55bec1a;hpb=819f4c25391a9c74d3d2f528d462142d5c4aad4d

diff --git a/pv/view/viewport.cpp b/pv/view/viewport.cpp
index e9a14422..3b06cf9e 100644
--- a/pv/view/viewport.cpp
+++ b/pv/view/viewport.cpp
@@ -49,6 +49,10 @@ Viewport::Viewport(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();
 }
 
 int Viewport::get_total_height() const