X-Git-Url: https://sigrok.org/gitweb/?a=blobdiff_plain;f=pv%2Fview%2Fviewport.cpp;h=145f040fc93be7413d23458e6383c971304073a8;hb=27e8df221014d1a8c7769866773e8dbb0486eea8;hp=8cf97ff58020594b2e6c82290589a70112b260e0;hpb=fe08b6e8a85c80ae738757f7d85aa38ef7c4bdc3;p=pulseview.git

diff --git a/pv/view/viewport.cpp b/pv/view/viewport.cpp
index 8cf97ff5..145f040f 100644
--- a/pv/view/viewport.cpp
+++ b/pv/view/viewport.cpp
@@ -42,6 +42,9 @@ Viewport::Viewport(View &parent) :
 	setAutoFillBackground(true);
 	setBackgroundRole(QPalette::Base);
 
+	connect(&_view.session(), SIGNAL(signals_changed()),
+		this, SLOT(on_signals_changed()));
+
 	connect(&_view, SIGNAL(signals_moved()),
 		this, SLOT(on_signals_moved()));
 }
@@ -108,6 +111,16 @@ void Viewport::mouseMoveEvent(QMouseEvent *event)
 	}
 }
 
+void Viewport::mouseDoubleClickEvent(QMouseEvent *event)
+{
+	assert(event);
+
+	if (event->buttons() & Qt::LeftButton)
+		_view.zoom(2.0, event->x());
+	else if (event->buttons() & Qt::RightButton)
+		_view.zoom(-2.0, event->x());
+}
+
 void Viewport::wheelEvent(QWheelEvent *event)
 {
 	assert(event);
@@ -123,6 +136,16 @@ void Viewport::wheelEvent(QWheelEvent *event)
 	}
 }
 
+void Viewport::on_signals_changed()
+{
+	const vector< shared_ptr<Trace> > traces(_view.get_traces());
+	BOOST_FOREACH(shared_ptr<Trace> t, traces) {
+		assert(t);
+		connect(t.get(), SIGNAL(visibility_changed()),
+			this, SLOT(update()));
+	}
+}
+
 void Viewport::on_signals_moved()
 {
 	update();