+#ifdef WORKAROUND_WINDOWS_GTK2_GLWIDGET
+ui::GLArea TextureBrowser_getGLWidget();
+#endif // WORKAROUND_WINDOWS_GTK2_GLWIDGET
+
+#ifdef WORKAROUND_MACOS_GTK2_GLWIDGET
+void TextureBrowser_showGLWidget();
+void TextureBrowser_hideGLWidget();
+#endif // WORKAROUND_MACOS_GTK2_GLWIDGET