1 files changed, 59 insertions, 0 deletions
diff --git a/include/vcl/waitobj.hxx b/include/vcl/waitobj.hxx
new file mode 100644
index 000000000..682153a1e
--- /dev/null
+++ b/include/vcl/waitobj.hxx
@@ -0,0 +1,59 @@
+/* -*- 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/.
+ *
+ * This file incorporates work covered by the following license notice:
+ *
+ *   Licensed to the Apache Software Foundation (ASF) under one or more
+ *   contributor license agreements. See the NOTICE file distributed
+ *   with this work for additional information regarding copyright
+ *   ownership. The ASF licenses this file to you under the Apache
+ *   License, Version 2.0 (the "License"); you may not use this file
+ *   except in compliance with the License. You may obtain a copy of
+ *   the License at http://www.apache.org/licenses/LICENSE-2.0 .
+ */
+
+#ifndef INCLUDED_VCL_WAITOBJ_HXX
+#define INCLUDED_VCL_WAITOBJ_HXX
+
+#include <vcl/dllapi.h>
+#include <vcl/window.hxx>
+
+#include <stack>
+#include <vector>
+
+namespace weld { class Widget; }
+
+class VCL_DLLPUBLIC WaitObject
+{
+private:
+    VclPtr<vcl::Window>  mpWindow;
+public:
+                WaitObject( vcl::Window* pWindow )
+                {
+                    mpWindow = pWindow;
+                    if ( mpWindow )
+                        mpWindow->EnterWait();
+                }
+                ~WaitObject();
+};
+
+class VCL_DLLPUBLIC TopLevelWindowLocker
+{
+private:
+    std::stack<std::vector<VclPtr<vcl::Window>>> m_aBusyStack;
+public:
+    // lock all toplevels, except the argument
+    void incBusy(const weld::Widget* pIgnore);
+    // unlock previous lock
+    void decBusy();
+    bool isBusy() const { return !m_aBusyStack.empty(); }
+};
+
+#endif // INCLUDED_VCL_WAITOBJ_HXX
+
+/* vim:set shiftwidth=4 softtabstop=4 expandtab: */