Rename 'probe' to 'channel' (libsigrokdecode change).

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

diff --git a/pv/view/header.cpp b/pv/view/header.cpp
index b85b1bb1c0a03cc5ed11249d0e4dd96df2865d26..a7902521216a90655ba708669ab5b36b2886f52b 100644 (file)
--- a/pv/view/header.cpp
+++ b/pv/view/header.cpp
@@ -29,36 +29,53 @@
 #include <boost/foreach.hpp>
 
 #include <QApplication>
-#include <QColorDialog>
-#include <QInputDialog>
 #include <QMenu>
 #include <QMouseEvent>
 #include <QPainter>
 #include <QRect>
 
-using namespace boost;
-using namespace std;
+#include <pv/widgets/popup.h>
+
+using boost::shared_ptr;
+using std::max;
+using std::make_pair;
+using std::pair;
+using std::vector;
 
 namespace pv {
 namespace view {
 
+const int Header::Padding = 12;
+
 Header::Header(View &parent) :
        MarginWidget(parent),
-       _action_set_name(new QAction(tr("Set &Name..."), this)),
-       _action_set_colour(new QAction(tr("Set &Colour..."), this))
+       _dragging(false)
 {
+       setFocusPolicy(Qt::ClickFocus);
        setMouseTracking(true);
 
-       connect(_action_set_name, SIGNAL(triggered()),
-               this, SLOT(on_action_set_name_triggered()));
-       connect(_action_set_colour, SIGNAL(triggered()),
-               this, SLOT(on_action_set_colour_triggered()));
-
        connect(&_view.session(), SIGNAL(signals_changed()),
                this, SLOT(on_signals_changed()));
 
        connect(&_view, SIGNAL(signals_moved()),
                this, SLOT(on_signals_moved()));
+
+       // Trigger the initial event manually. The default device has signals
+       // which were created before this object came into being
+       on_signals_changed();
+}
+
+QSize Header::sizeHint() const
+{
+       int max_width = 0;
+
+       const vector< shared_ptr<Trace> > traces(_view.get_traces());
+       BOOST_FOREACH(shared_ptr<Trace> t, traces) {
+               assert(t);
+               max_width = max(max_width, (int)t->get_label_rect(0).width());
+       }
+
+       return QSize(max_width + Padding, 0);
 }
 
 shared_ptr<Trace> Header::get_mouse_over_trace(const QPoint &pt)
@@ -159,10 +176,28 @@ void Header::mousePressEvent(QMouseEvent *event)
 
 void Header::mouseReleaseEvent(QMouseEvent *event)
 {
+       using pv::widgets::Popup;
+
        assert(event);
        if (event->button() == Qt::LeftButton) {
+               if (_dragging)
+                       _view.normalize_layout();
+               else
+               {
+                       const shared_ptr<Trace> mouse_over_trace =
+                               get_mouse_over_trace(event->pos());
+                       if (mouse_over_trace) {
+                               Popup *const p =
+                                       mouse_over_trace->create_popup(&_view);
+                               p->set_position(mapToGlobal(QPoint(width(),
+                                       mouse_over_trace->get_y())),
+                                       Popup::Right);
+                               p->show();
+                       }
+               }
+
+               _dragging = false;
                _drag_traces.clear();
-               _view.normalize_layout();
        }
 }
 
@@ -171,8 +206,18 @@ void Header::mouseMoveEvent(QMouseEvent *event)
        assert(event);
        _mouse_point = event->pos();
 
+       if (!(event->buttons() & Qt::LeftButton))
+               return;
+
+       if ((event->pos() - _mouse_down_point).manhattanLength() <
+               QApplication::startDragDistance())
+               return;
+
        // Move the signals if we are dragging
-       if (!_drag_traces.empty()) {
+       if (!_drag_traces.empty())
+       {
+               _dragging = true;
+
                const int delta = event->pos().y() - _mouse_down_point.y();
 
                for (std::list<std::pair<boost::weak_ptr<Trace>,
@@ -209,44 +254,25 @@ void Header::contextMenuEvent(QContextMenuEvent *event)
 {
        const shared_ptr<Trace> t = get_mouse_over_trace(_mouse_point);
 
-       if (!t)
-               return;
-
-       QMenu menu(this);
-       menu.addAction(_action_set_name);
-       menu.addAction(_action_set_colour);
-
-       _context_trace = t;
-       menu.exec(event->globalPos());
-       _context_trace.reset();
-}
-
-void Header::on_action_set_name_triggered()
-{
-       bool ok = false;
-
-       shared_ptr<view::Trace> context_trace = _context_trace;
-       if (!context_trace)
-               return;
-
-       const QString new_label = QInputDialog::getText(this, tr("Set Name"),
-               tr("Name"), QLineEdit::Normal, context_trace->get_name(), &ok);
-
-       if (ok)
-               context_trace->set_name(new_label);
+       if (t)
+               t->create_context_menu(this)->exec(event->globalPos());
 }
 
-void Header::on_action_set_colour_triggered()
+void Header::keyPressEvent(QKeyEvent *e)
 {
-       shared_ptr<view::Trace> context_trace = _context_trace;
-       if (!context_trace)
-               return;
-
-       const QColor new_colour = QColorDialog::getColor(
-               context_trace->get_colour(), this, tr("Set Colour"));
+       assert(e);
 
-       if (new_colour.isValid())
-               context_trace->set_colour(new_colour);
+       switch (e->key())
+       {
+       case Qt::Key_Delete:
+       {
+               const vector< shared_ptr<Trace> > traces(_view.get_traces());
+               BOOST_FOREACH(const shared_ptr<Trace> t, traces)
+                       if (t->selected())
+                               t->delete_pressed();    
+               break;
+       }
+       }
 }
 
 void Header::on_signals_changed()
@@ -254,7 +280,12 @@ void Header::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(text_changed()), this, SLOT(update()));
+               connect(t.get(), SIGNAL(visibility_changed()),
+                       this, SLOT(update()));
+               connect(t.get(), SIGNAL(text_changed()),
+                       this, SLOT(on_trace_text_changed()));
+               connect(t.get(), SIGNAL(colour_changed()),
+                       this, SLOT(update()));
        }
 }
 
@@ -263,6 +294,11 @@ void Header::on_signals_moved()
        update();
 }
 
+void Header::on_trace_text_changed()
+{
+       update();
+       geometry_updated();
+}
 
 } // namespace view
 } // namespace pv