X-Git-Url: http://git.code-monkey.de/?a=blobdiff_plain;f=pv%2Fview%2Fviewport.cpp;h=03b07fdf13351d3ceab1e8720af701f503046335;hb=3868e5fa3081573891ff2ae5b9dd67eb4a6afa4b;hp=96111875570ee7e53bf0e9773285686acb01e8a8;hpb=69dd2b030f0bf289fe3132cf3c0f3725c578a916;p=pulseview.git

diff --git a/pv/view/viewport.cpp b/pv/view/viewport.cpp
index 9611187..03b07fd 100644
--- a/pv/view/viewport.cpp
+++ b/pv/view/viewport.cpp
@@ -49,8 +49,9 @@ Viewport::Viewport(View &parent) :
 int Viewport::get_total_height() const
 {
 	int h = 0;
-	BOOST_FOREACH(const shared_ptr<Signal> s,
-		_view.session().get_signals()) {
+	const vector< shared_ptr<Signal> > sigs(
+		_view.session().get_signals());
+	BOOST_FOREACH(const shared_ptr<Signal> s, sigs) {
 		assert(s);
 		h = max(s->get_v_offset() + View::SignalHeight, h);
 	}
@@ -60,8 +61,8 @@ int Viewport::get_total_height() const
 
 void Viewport::paintEvent(QPaintEvent *event)
 {
-	const vector< shared_ptr<Signal> > &sigs =
-		_view.session().get_signals();
+	const vector< shared_ptr<Signal> > sigs(
+		_view.session().get_signals());
 
 	QPainter p(this);
 	p.setRenderHint(QPainter::Antialiasing);