X-Git-Url: https://sigrok.org/gitweb/?a=blobdiff_plain;f=pv%2Fview%2Fview.cpp;h=e0fce889fe06431c6122c4eaad1ec2a9938b6d39;hb=5b7cf66c34d7beeef055b06b95d72f9d7a3de680;hp=c5465ff3c6ba19eef1cd68ba2082ba40d7f413c4;hpb=4b192962559bb212408a94f48a9a8efead024aa7;p=pulseview.git

diff --git a/pv/view/view.cpp b/pv/view/view.cpp
index c5465ff3..e0fce889 100644
--- a/pv/view/view.cpp
+++ b/pv/view/view.cpp
@@ -79,6 +79,9 @@ View::View(SigSession &session, QWidget *parent) :
 		this, SLOT(h_scroll_value_changed(int)));
 	connect(verticalScrollBar(), SIGNAL(valueChanged(int)),
 		this, SLOT(v_scroll_value_changed(int)));
+
+	connect(&_session, SIGNAL(signals_changed()),
+		this, SLOT(signals_changed()));
 	connect(&_session, SIGNAL(data_updated()),
 		this, SLOT(data_updated()));
 
@@ -170,7 +173,7 @@ const QPoint& View::hover_point() const
 
 void View::normalize_layout()
 {
-	vector< shared_ptr<Signal> > &sigs = _session.get_signals();
+	const vector< shared_ptr<Signal> > sigs(_session.get_signals());
 
 	int v_min = INT_MAX;
 	BOOST_FOREACH(const shared_ptr<Signal> s, sigs)
@@ -226,7 +229,7 @@ void View::update_scroll()
 void View::reset_signal_layout()
 {
 	int offset = SignalMargin;
-	vector< shared_ptr<Signal> > &sigs = _session.get_signals();
+	const vector< shared_ptr<Signal> > sigs(_session.get_signals());
 	BOOST_FOREACH(shared_ptr<Signal> s, sigs) {
 		s->set_v_offset(offset);
 		offset += SignalHeight + 2 * SignalMargin;
@@ -307,6 +310,11 @@ void View::v_scroll_value_changed(int value)
 	_viewport->update();
 }
 
+void View::signals_changed()
+{
+	reset_signal_layout();
+}
+
 void View::data_updated()
 {
 	// Get the new data length
@@ -326,9 +334,6 @@ void View::data_updated()
 
 	// Repaint the view
 	_viewport->update();
-
-	/// @todo: Call this only once when the signals are first created.
-	reset_signal_layout();
 }
 
 void View::marker_time_changed()