The GtkRadiant sources as originally released under the GPL license.

radiant/groupdialog.h

@@ -0,0 +1,48 @@
+/*
+Copyright (C) 1999-2006 Id Software, Inc. and contributors.
+For a list of contributors, see the accompanying CONTRIBUTORS file.
+
+This file is part of GtkRadiant.
+
+GtkRadiant is free software; you can redistribute it and/or modify
+it under the terms of the GNU General Public License as published by
+the Free Software Foundation; either version 2 of the License, or
+(at your option) any later version.
+
+GtkRadiant is distributed in the hope that it will be useful,
+but WITHOUT ANY WARRANTY; without even the implied warranty of
+MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+GNU General Public License for more details.
+
+You should have received a copy of the GNU General Public License
+along with GtkRadiant; if not, write to the Free Software
+Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA  02110-1301  USA
+*/
+
+#if !defined(INCLUDED_GROUPDIALOG_H)
+#define INCLUDED_GROUPDIALOG_H
+
+#include "generic/callback.h"
+
+typedef struct _GtkWidget GtkWidget;
+typedef struct _GtkWindow GtkWindow;
+
+void GroupDialog_Construct();
+void GroupDialog_Destroy();
+
+void GroupDialog_constructWindow(GtkWindow* main_window);
+void GroupDialog_destroyWindow();
+GtkWindow* GroupDialog_getWindow();
+void GroupDialog_show();
+
+inline void RawStringExport(const char* string, const StringImportCallback& importer)
+{
+  importer(string);
+}
+typedef ConstPointerCaller1<char, const StringImportCallback&, RawStringExport> RawStringExportCaller;
+GtkWidget* GroupDialog_addPage(const char* tabLabel, GtkWidget* widget, const StringExportCallback& title);
+
+void GroupDialog_showPage(GtkWidget* page);
+void GroupDialog_updatePageTitle(GtkWidget* page);
+
+#endif