X-Git-Url: http://git.code-monkey.de/?a=blobdiff_plain;f=pv%2Fview%2Fviewport.cpp;h=3b06cf9e85e0bc31a5c8f4e7edba38be8aaaa119;hb=744905d4ec6a05b53c17efb393a0ef907d95ebe2;hp=e9a1442217d7bc1bd600f6432e0002c7ed0543e3;hpb=819f4c25391a9c74d3d2f528d462142d5c4aad4d;p=pulseview.git

diff --git a/pv/view/viewport.cpp b/pv/view/viewport.cpp
index e9a1442..3b06cf9 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