refs #335, preparation for new cockpit

* allow nested info areas
* added cockpit info area
* fixed several finder methods to excluded nested info areas from child elements
* using QScopedPointer for ui
* placeholder GUI components for new cockpit

src/blackgui/components/cockpitcomcomponent.h

@@ -0,0 +1,47 @@
+/* Copyright (C) 2013
+ * 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.
+ */
+
+#ifndef BLACKGUI_COCKPITCOMCOMPONENT_H
+#define BLACKGUI_COCKPITCOMCOMPONENT_H
+
+#include "dockwidgetinfoareacomponent.h"
+#include <QFrame>
+#include <QScopedPointer>
+
+namespace Ui { class CCockpitMainComponent; }
+
+namespace BlackGui
+{
+    namespace Components
+    {
+        //! The main cockpit area
+        class CCockpitComComponent :
+            public QFrame,
+            public CDockWidgetInfoAreaComponent
+        {
+            Q_OBJECT
+
+        public:
+            //! Constructor
+            explicit CCockpitComComponent(QWidget *parent = nullptr);
+
+            //! Destructor
+            ~CCockpitComComponent();
+
+            //! \copydoc QWidget::paintEvent
+            virtual void paintEvent(QPaintEvent *event) override;
+
+        private:
+            QScopedPointer<Ui::CCockpitMainComponent> ui;
+        };
+
+    } // namespace
+} // namespace
+
+#endif // guard