Added cursors

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

diff --git a/pv/view/header.cpp b/pv/view/header.cpp
index aaa98ab85fb59ab6da9583ac277d758736850da3..1c7903dbc372d38d55366b771c49fe3854de9bdf 100644 (file)
--- a/pv/view/header.cpp
+++ b/pv/view/header.cpp
@@ -28,6 +28,9 @@
 
 #include <boost/foreach.hpp>
 
+#include <QInputDialog>
+#include <QMenu>
+#include <QMouseEvent>
 #include <QPainter>
 #include <QRect>
 
@@ -39,8 +42,13 @@ namespace view {
 
 Header::Header(View &parent) :
        QWidget(&parent),
-       _view(parent)
+       _view(parent),
+       _action_set_name(new QAction(tr("Set &Name..."), this))
 {
+       setMouseTracking(true);
+
+       connect(_action_set_name, SIGNAL(triggered()),
+               this, SLOT(on_action_set_name_triggered()));
 }
 
 void Header::paintEvent(QPaintEvent *event)
@@ -57,8 +65,11 @@ void Header::paintEvent(QPaintEvent *event)
        {
                assert(s);
 
-               const QRect label_rect(0, offset, w, View::SignalHeight);
-               s->paint_label(painter, label_rect);
+               const QRect signal_heading_rect(
+                       0, offset, w, View::SignalHeight);
+
+               s->paint_label(painter, signal_heading_rect,
+                       s->pt_in_label_rect(signal_heading_rect, _mouse_point));
 
                offset += View::SignalHeight;
        }
@@ -66,5 +77,60 @@ void Header::paintEvent(QPaintEvent *event)
        painter.end();
 }
 
+void Header::mouseMoveEvent(QMouseEvent *event)
+{
+       assert(event);
+       _mouse_point = event->pos();
+       update();
+}
+
+void Header::leaveEvent(QEvent *event)
+{
+       _mouse_point = QPoint(-1, -1);
+       update();
+}
+
+void Header::contextMenuEvent(QContextMenuEvent *event)
+{
+       const int w = width();
+       const vector< shared_ptr<Signal> > &sigs =
+               _view.session().get_signals();
+
+       int offset = -_view.v_offset();
+       BOOST_FOREACH(const shared_ptr<Signal> s, sigs)
+       {
+               assert(s);
+
+               const QRect signal_heading_rect(
+                       0, offset, w, View::SignalHeight);
+
+               if(s->pt_in_label_rect(signal_heading_rect, _mouse_point)) {
+                       QMenu menu(this);
+                       menu.addAction(_action_set_name);
+
+                       _context_signal = s;
+                       menu.exec(event->globalPos());
+                       _context_signal.reset();
+
+                       break;
+               }
+
+               offset += View::SignalHeight;
+       }
+}
+
+void Header::on_action_set_name_triggered()
+{
+       boost::shared_ptr<Signal> context_signal = _context_signal;
+       if(!context_signal)
+               return;
+
+       const QString new_label = QInputDialog::getText(this, tr("Set Name"),
+               tr("Name"), QLineEdit::Normal, context_signal->get_name());
+
+       if(!new_label.isEmpty())
+               context_signal->set_name(new_label);
+}
+
 } // namespace view
 } // namespace pv