refactor: Rename blackgui to swift::gui

src/gui/windowfinder.h

@@ -0,0 +1,34 @@
+// SPDX-FileCopyrightText: Copyright (C) 2014 swift Project Community / Contributors
+// SPDX-License-Identifier: GPL-3.0-or-later OR LicenseRef-swift-pilot-client-1
+
+//! \file
+
+#ifndef SWIFT_GUI_WINDOWFINDER_H
+#define SWIFT_GUI_WINDOWFINDER_H
+
+#include "gui/swiftguiexport.h"
+#include <QString>
+
+class QWindow;
+
+namespace swift::gui
+{
+    //! Finder for foreign windows
+    class SWIFT_GUI_EXPORT IWindowFinder
+    {
+    public:
+        //! Constructor
+        IWindowFinder() {}
+
+        //! Destructor
+        virtual ~IWindowFinder() {}
+
+        //! Find and return a foreign window owned by another process
+        virtual QWindow *findForeignWindow(const QString &windowName, const QString &className) = 0;
+
+        //! Factory method
+        static IWindowFinder *create();
+    };
+}
+
+#endif // guard