add new window that contains OpenGL context

Change-Id: I81ce3581942d03785809d728b6b54b570899bcdc

include/vcl/openglwin.hxx

+/* -*- Mode: C++; tab-width: 4; indent-tabs-mode: nil; c-basic-offset: 4 -*- */
+/*
+ * This file is part of the LibreOffice project.
+ *
+ * This Source Code Form is subject to the terms of the Mozilla Public
+ * License, v. 2.0. If a copy of the MPL was not distributed with this
+ * file, You can obtain one at http://mozilla.org/MPL/2.0/.
+ */
+
+#ifndef INCLUDED_VCL_OPENGLWIN_HXX
+#define INCLUDED_VCL_OPENGLWIN_HXX
+
+#include <vcl/syschild.hxx>
+#include <vcl/opengl/OpenGLContext.hxx>
+
+class OpenGLWindow : public SystemChildWindow
+{
+public:
+    OpenGLWindow(Window* pParent);
+    OpenGLContext& getContext();
+
+private:
+    OpenGLContext maContext;
+};
+
+#endif
+
+/* vim:set shiftwidth=4 softtabstop=4 expandtab: */

vcl/Library_vclopengl.mk

@@ -40,6 +40,7 @@ $(eval $(call gb_Library_use_libraries,vclopengl,\
 $(eval $(call gb_Library_add_exception_objects,vclopengl,\
     vcl/source/opengl/OpenGLContext \
     vcl/source/opengl/OpenGLHelper \
+    vcl/source/window/openglwin \
 ))
 
 ifeq ($(strip $(OS)),WNT)

vcl/source/window/openglwin.cxx

+/* -*- Mode: C++; tab-width: 4; indent-tabs-mode: nil; c-basic-offset: 4 -*- */
+/*
+ * This file is part of the LibreOffice project.
+ *
+ * This Source Code Form is subject to the terms of the Mozilla Public
+ * License, v. 2.0. If a copy of the MPL was not distributed with this
+ * file, You can obtain one at http://mozilla.org/MPL/2.0/.
+ */
+
+#include <vcl/openglwin.hxx>
+
+OpenGLWindow::OpenGLWindow(Window* pParent):
+    SystemChildWindow(pParent, 0)
+{
+}
+
+OpenGLContext& OpenGLWindow::getContext()
+{
+    return maContext;
+}
+
+/* vim:set shiftwidth=4 softtabstop=4 expandtab: */