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();
+        }
+    }
+}