refs #325, supporting class to make parent dock widget and info area available to a component.

By that, the component has access to "isWidgetVisible", "isFloating" etc.

src/blackgui/components/dockwidgetinfoareacomponent.cpp

@@ -0,0 +1,56 @@
+/* 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.
+ */
+
+#include "dockwidgetinfoareacomponent.h"
+
+namespace BlackGui
+{
+    namespace Components
+    {
+
+        CDockWidgetInfoAreaComponent::CDockWidgetInfoAreaComponent(QWidget *parent)
+        {
+            // it the parent is already an info area at this time, we keep it
+            CDockWidgetInfoArea *ia = dynamic_cast<CDockWidgetInfoArea *>(parent);
+            if (ia)
+            {
+                this->m_parentDockableInfoArea = ia;
+            }
+        }
+
+        const CInfoArea *CDockWidgetInfoAreaComponent::getParentInfoArea() const
+        {
+            Q_ASSERT(this->m_parentDockableInfoArea);
+            if (!this->m_parentDockableInfoArea) return nullptr;
+            return this->m_parentDockableInfoArea->getParentInfoArea();
+        }
+
+        CInfoArea *CDockWidgetInfoAreaComponent::getParentInfoArea()
+        {
+            Q_ASSERT(this->m_parentDockableInfoArea);
+            if (!this->m_parentDockableInfoArea) return nullptr;
+            return this->m_parentDockableInfoArea->getParentInfoArea();
+        }
+
+        bool CDockWidgetInfoAreaComponent::isParentDockWidgetFloating() const
+        {
+            Q_ASSERT(this->m_parentDockableInfoArea);
+            if (!this->m_parentDockableInfoArea) return false;
+            return this->m_parentDockableInfoArea->isFloating();
+        }
+
+        bool CDockWidgetInfoAreaComponent::isVisibleWidget() const
+        {
+            Q_ASSERT(this->m_parentDockableInfoArea);
+            if (!this->m_parentDockableInfoArea) return false;
+            return this->m_parentDockableInfoArea->isVisibleWidget();
+        }
+
+    } // namespace
+} // namespace

src/blackgui/components/dockwidgetinfoareacomponent.h

@@ -0,0 +1,60 @@
+/* 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.
+ */
+
+//! \file
+
+#ifndef BLACKGUI_DOCKWIDGETINFOAREACOMPONENT_H
+#define BLACKGUI_DOCKWIDGETINFOAREACOMPONENT_H
+
+#include "../dockwidgetinfoarea.h"
+#include "../infoarea.h"
+#include <QWidget>
+
+namespace BlackGui
+{
+    namespace Components
+    {
+
+        //! Component is residing in an dockable widget. This helper class provides access to
+        //! to its info area and dockable widget.
+        class CDockWidgetInfoAreaComponent
+        {
+        public:
+            //! Corresponding dockable widget in info area
+            BlackGui::CDockWidgetInfoArea *getDockWidget() { return m_parentDockableInfoArea; }
+
+            //! Corresponding dockable widget in info area
+            const BlackGui::CDockWidgetInfoArea *getDockWidget() const { return m_parentDockableInfoArea; }
+
+            //! Corresponding dockable widget in info area
+            void setParentDockableWidget(BlackGui::CDockWidgetInfoArea *parentDockableWidget) { m_parentDockableInfoArea = parentDockableWidget; }
+
+            //! The parent info area
+            const CInfoArea *getParentInfoArea() const;
+
+            //! The parent info area
+            CInfoArea *getParentInfoArea();
+
+            //! Is the parent dockable widget floating?
+            bool isParentDockWidgetFloating() const;
+
+            //! \copydoc CDockWidgetInfoArea::isVisibleWidget
+            bool isVisibleWidget() const;
+
+        protected:
+            //! Constructor
+            CDockWidgetInfoAreaComponent(QWidget *parent);
+
+        private:
+            BlackGui::CDockWidgetInfoArea *m_parentDockableInfoArea = nullptr; //!< my parent dockable widget
+        };
+    }
+} // namespace
+
+#endif // guard