Adding upstream version 4:7.4.7.upstream/4%7.4.7upstream

Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>

1 files changed, 91 insertions, 0 deletions

diff --git a/include/vcl/quickselectionengine.hxx b/include/vcl/quickselectionengine.hxx
new file mode 100644
index 000000000..87e1d09a9
--- /dev/null
+++ b/include/vcl/quickselectionengine.hxx
@@ -0,0 +1,91 @@
+/* -*- 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_QUICKSELECTIONENGINE_HXX
+#define INCLUDED_VCL_QUICKSELECTIONENGINE_HXX
+
+#include <rtl/ustring.hxx>
+#include <vcl/dllapi.h>
+#include <memory>
+
+class KeyEvent;
+
+
+namespace vcl
+{
+
+
+    typedef const void* StringEntryIdentifier;
+
+
+    //= ISearchableStringList
+
+    // TODO: consolidate this with vcl::IMnemonicEntryList
+    class SAL_NO_VTABLE VCL_DLLPUBLIC ISearchableStringList
+    {
+    public:
+        /** returns the current entry in the list of searchable strings.
+
+            Search operations will start with this entry.
+        */
+        virtual StringEntryIdentifier   CurrentEntry( OUString& _out_entryText ) const = 0;
+
+        /** returns the next entry in the list.
+
+            The implementation is expected to wrap around. That is, if the given entry denotes the last
+            entry in the list, then NextEntry should return the first entry.
+        */
+        virtual StringEntryIdentifier   NextEntry( StringEntryIdentifier _currentEntry, OUString& _out_entryText ) const = 0;
+
+        /** selects a given entry
+        */
+        virtual void                    SelectEntry( StringEntryIdentifier _entry ) = 0;
+
+    protected:
+        ~ISearchableStringList() {}
+    };
+
+
+    //= QuickSelectionEngine
+
+    struct QuickSelectionEngine_Data;
+    class VCL_DLLPUBLIC QuickSelectionEngine
+    {
+    public:
+        QuickSelectionEngine( ISearchableStringList& _entryList );
+        ~QuickSelectionEngine();
+
+        bool    HandleKeyEvent( const KeyEvent& _rKEvt );
+        void    Reset();
+
+    private:
+        ::std::unique_ptr< QuickSelectionEngine_Data >    m_pData;
+
+    private:
+        QuickSelectionEngine( const QuickSelectionEngine& ) = delete;
+        QuickSelectionEngine& operator=( const QuickSelectionEngine& ) = delete;
+    };
+
+
+} // namespace vcl
+
+
+#endif // INCLUDED_VCL_QUICKSELECTIONENGINE_HXX
+
+/* vim:set shiftwidth=4 softtabstop=4 expandtab: */