refactor: Rename blackgui to swift::gui

src/gui/dropbase.h

@@ -0,0 +1,59 @@
+// SPDX-FileCopyrightText: Copyright (C) 2015 swift Project Community / Contributors
+// SPDX-License-Identifier: GPL-3.0-or-later OR LicenseRef-swift-pilot-client-1
+
+#ifndef SWIFT_GUI_DROPBASE_H
+#define SWIFT_GUI_DROPBASE_H
+
+#include "gui/swiftguiexport.h"
+#include "misc/variant.h"
+#include <QList>
+#include <QFileInfo>
+#include <QMimeData>
+
+namespace swift::gui
+{
+    /*!
+     * Utilities for dropping swift value objects
+     */
+    class SWIFT_GUI_EXPORT CDropBase
+    {
+    public:
+        //! Dtor
+        virtual ~CDropBase();
+
+        //! Accepted ids
+        void setAcceptedMetaTypeIds(const QList<int> &ids);
+
+        //! Accepted ids
+        void addAcceptedMetaTypeId(int id);
+
+        //! Drop allowed?
+        virtual bool isDropAllowed() const { return m_allowDrop; }
+
+        //! File drop allowed?
+        virtual bool isJsonFileDropAllowed() const { return m_acceptJsonFile; }
+
+        //! Drop allowed
+        virtual void allowDrop(bool allowed) { m_allowDrop = allowed; }
+
+        //! Allow JSON file drop
+        virtual void allowFileDrop(bool allow) { m_acceptJsonFile = allow; }
+
+        //! Accept drop?
+        bool acceptDrop(const QMimeData *mime) const;
+
+        //! Mime data to CVariant (normally encapsulating a value object)
+        swift::misc::CVariant toCVariant(const QMimeData *mime) const;
+
+    protected:
+        //! Ctor
+        CDropBase();
+
+    private:
+        bool m_allowDrop = true; //!< dropping allowed?
+        bool m_acceptJsonFile = false; //!< accept JSON files
+        QList<int> m_acceptedMetaTypes; //!< accepted meta types
+    };
+} // ns
+
+#endif // guard