Trace View: Allow context menu to show basic options in empty area

[pulseview.git] / pv / views / trace / view.cpp

diff --git a/pv/views/trace/view.cpp b/pv/views/trace/view.cpp
index a7b483a7830555515700eb6e56597a40b0e45516..d4d0c5a81bca4c06fef1114147c3ca20d7837c1d 100644 (file)
--- a/pv/views/trace/view.cpp
+++ b/pv/views/trace/view.cpp
@@ -1594,10 +1594,22 @@ void View::contextMenuEvent(QContextMenuEvent *event)
        QPoint pos = event->pos() - QPoint(0, ruler_->sizeHint().height());
 
        const shared_ptr<ViewItem> r = viewport_->get_mouse_over_item(pos);
-       if (!r)
-               return;
 
-       QMenu *menu = r->create_view_context_menu(this, pos);
+       QMenu* menu = nullptr;
+
+       if (!r) {
+               context_menu_x_pos_ = pos.x();
+
+               // No view item under cursor, use generic menu
+               menu = new QMenu(this);
+
+               QAction *const create_marker_here = new QAction(tr("Create marker here"), this);
+               connect(create_marker_here, SIGNAL(triggered()), this, SLOT(on_create_marker_here()));
+               menu->addAction(create_marker_here);
+       } else {
+               menu = r->create_view_context_menu(this, pos);
+       }
+
        if (menu)
                menu->popup(event->globalPos());
 }
@@ -2067,6 +2079,13 @@ void View::on_segment_changed(int segment)
        }
 }
 
+void View::on_create_marker_here()
+{
+       const QPoint p = ruler_->mapFrom(this, QPoint(context_menu_x_pos_, 0));
+
+       add_flag(ruler_->get_absolute_time_from_x_pos(p.x()));
+}
+
 void View::on_settingViewTriggerIsZeroTime_changed(const QVariant new_value)
 {
        (void)new_value;