Mutex protected SigSession::_signals

[pulseview.git] / pv / view / header.cpp

diff --git a/pv/view/header.cpp b/pv/view/header.cpp
index 744e4aff06b2072006c68fe4880b973f195e05d7..5f1de744a1d7e5642d6f364f66672f1020aa7a12 100644 (file)
--- a/pv/view/header.cpp
+++ b/pv/view/header.cpp
@@ -63,8 +63,8 @@ boost::shared_ptr<pv::view::Signal> Header::get_mouse_over_signal(
        const QPoint &pt)
 {
        const int w = width();
-       const vector< shared_ptr<Signal> > &sigs =
-               _view.session().get_signals();
+       const vector< shared_ptr<Signal> > sigs(
+               _view.session().get_signals());
 
        const int v_offset = _view.v_offset();
        BOOST_FOREACH(const shared_ptr<Signal> s, sigs)
@@ -85,8 +85,8 @@ boost::shared_ptr<pv::view::Signal> Header::get_mouse_over_signal(
 void Header::paintEvent(QPaintEvent *event)
 {
        const int w = width();
-       const vector< shared_ptr<Signal> > &sigs =
-               _view.session().get_signals();
+       const vector< shared_ptr<Signal> > sigs(
+               _view.session().get_signals());
 
        QPainter painter(this);
        painter.setRenderHint(QPainter::Antialiasing);
@@ -113,8 +113,8 @@ void Header::mousePressEvent(QMouseEvent *event)
 {
        assert(event);
 
-       const vector< shared_ptr<Signal> > &sigs =
-               _view.session().get_signals();
+       const vector< shared_ptr<Signal> > sigs(
+               _view.session().get_signals());
 
        if(event->button() & Qt::LeftButton) {
                _mouse_down_point = event->pos();