First version of CRadarComponent

src/blackgui/views/radarview.cpp

@@ -0,0 +1,48 @@
+/* Copyright (C) 2019
+ * swift Project Community / Contributors
+ *
+ * This file is part of swift Project. It is subject to the license terms in the LICENSE file found in the top-level
+ * directory of this distribution and at http://www.swift-project.org/license.html. No part of swift project,
+ * including this file, may be copied, modified, propagated, or distributed except according to the terms
+ * contained in the LICENSE file.
+ */
+
+#include "radarview.h"
+
+#include <QResizeEvent>
+#include <QWheelEvent>
+
+namespace BlackGui
+{
+    namespace Views
+    {
+        CRadarView::CRadarView(QWidget *parent)
+            : QGraphicsView(parent)
+        {
+            setHorizontalScrollBarPolicy(Qt::ScrollBarAlwaysOff);
+            setVerticalScrollBarPolicy(Qt::ScrollBarAlwaysOff);
+            setBackgroundBrush(Qt::black);
+            setRenderHint(QPainter::Antialiasing);
+        }
+
+        void CRadarView::resizeEvent(QResizeEvent *event)
+        {
+            emit radarViewResized();
+            QGraphicsView::resizeEvent(event);
+        }
+
+        void CRadarView::wheelEvent(QWheelEvent *event)
+        {
+            QPoint delta = event->angleDelta();
+            if (delta.y() > 0)
+            {
+                emit zoomEvent(true);
+            }
+            else
+            {
+                emit zoomEvent(false);
+            }
+            event->accept();
+        }
+    }
+}

src/blackgui/views/radarview.h

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+/* Copyright (C) 2019
+ * swift project Community / Contributors
+ *
+ * This file is part of swift project. It is subject to the license terms in the LICENSE file found in the top-level
+ * directory of this distribution and at http://www.swift-project.org/license.html. No part of swift project,
+ * including this file, may be copied, modified, propagated, or distributed except according to the terms
+ * contained in the LICENSE file.
+ */
+
+//! \file
+
+#ifndef BLACKGUI_RADARVIEW_H
+#define BLACKGUI_RADARVIEW_H
+
+#include "blackgui/blackguiexport.h"
+#include <QGraphicsView>
+
+namespace BlackGui
+{
+    namespace Views
+    {
+        //! Radar view
+        class BLACKGUI_EXPORT CRadarView : public QGraphicsView
+        {
+            Q_OBJECT
+
+        public:
+            //! Constructor
+            CRadarView(QWidget *parent = nullptr);
+
+        signals:
+            //! Signal emitted when the view is resized
+            void radarViewResized();
+
+            //! Signal emitted when the user zoomed in our out
+            void zoomEvent(bool zoomIn);
+
+        public:
+
+        protected:
+            //! \copydoc QWidget::resizeEvent
+            virtual void resizeEvent(QResizeEvent *event) override;
+
+            //! \copydoc QWidget::wheelEvent
+            virtual void wheelEvent(QWheelEvent *event) override;
+        };
+    }
+}
+
+#endif // guard