X-Git-Url: https://sigrok.org/gitweb/?p=pulseview.git;a=blobdiff_plain;f=pv%2Fview%2Fviewport.cpp;h=96111875570ee7e53bf0e9773285686acb01e8a8;hp=7d844d27bccadd71a287f5aeb784f9d5f1ad5f85;hb=0720481923d46cde06148c8a4aec2f96def66643;hpb=fdf5ff04d8687ac67767267e9b440a2b5d37defd;ds=sidebyside

diff --git a/pv/view/viewport.cpp b/pv/view/viewport.cpp
index 7d844d27..96111875 100644
--- a/pv/view/viewport.cpp
+++ b/pv/view/viewport.cpp
@@ -41,18 +41,21 @@ Viewport::Viewport(View &parent) :
 	setMouseTracking(true);
 	setAutoFillBackground(true);
 	setBackgroundRole(QPalette::Base);
+
+	connect(&_view, SIGNAL(signals_moved()),
+		this, SLOT(on_signals_moved()));
 }
 
 int Viewport::get_total_height() const
 {
-	int height = 0;
+	int h = 0;
 	BOOST_FOREACH(const shared_ptr<Signal> s,
 		_view.session().get_signals()) {
 		assert(s);
-		height += View::SignalHeight;
+		h = max(s->get_v_offset() + View::SignalHeight, h);
 	}
 
-	return height;
+	return h;
 }
 
 void Viewport::paintEvent(QPaintEvent *event)
@@ -142,5 +145,10 @@ void Viewport::draw_cursors_foreground(QPainter &p)
 	cursors.second.paint(p, r);
 }
 
+void Viewport::on_signals_moved()
+{
+	update();
+}
+
 } // namespace view
 } // namespace pv