Handle C-strings as UTF-8

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

diff --git a/pv/view/viewport.cpp b/pv/view/viewport.cpp
index 8cf97ff58020594b2e6c82290589a70112b260e0..145f040fc93be7413d23458e6383c971304073a8 100644 (file)
--- 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();