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       1             : /* -*- Mode: C++; tab-width: 4; indent-tabs-mode: nil; c-basic-offset: 4 -*- */
       2             : /*
       3             :  * This file is part of the LibreOffice project.
       4             :  *
       5             :  * This Source Code Form is subject to the terms of the Mozilla Public
       6             :  * License, v. 2.0. If a copy of the MPL was not distributed with this
       7             :  * file, You can obtain one at http://mozilla.org/MPL/2.0/.
       8             :  *
       9             :  * This file incorporates work covered by the following license notice:
      10             :  *
      11             :  *   Licensed to the Apache Software Foundation (ASF) under one or more
      12             :  *   contributor license agreements. See the NOTICE file distributed
      13             :  *   with this work for additional information regarding copyright
      14             :  *   ownership. The ASF licenses this file to you under the Apache
      15             :  *   License, Version 2.0 (the "License"); you may not use this file
      16             :  *   except in compliance with the License. You may obtain a copy of
      17             :  *   the License at http://www.apache.org/licenses/LICENSE-2.0 .
      18             :  */
      19             : 
      20             : #ifndef INCLUDED_VCL_QUICKSELECTIONENGINE_HXX
      21             : #define INCLUDED_VCL_QUICKSELECTIONENGINE_HXX
      22             : 
      23             : #include <rtl/ustring.hxx>
      24             : #include <vcl/dllapi.h>
      25             : #include <memory>
      26             : 
      27             : class KeyEvent;
      28             : 
      29             : 
      30             : namespace vcl
      31             : {
      32             : 
      33             : 
      34             :     typedef const void* StringEntryIdentifier;
      35             : 
      36             : 
      37             :     //= ISearchableStringList
      38             : 
      39             :     // TODO: consolidate this with vcl::IMnemonicEntryList
      40        3340 :     class SAL_NO_VTABLE VCL_DLLPUBLIC ISearchableStringList
      41             :     {
      42             :     public:
      43             :         /** returns the current entry in the list of searchable strings.
      44             : 
      45             :             Search operations will start with this entry.
      46             :         */
      47             :         virtual StringEntryIdentifier   CurrentEntry( OUString& _out_entryText ) const = 0;
      48             : 
      49             :         /** returns the next entry in the list.
      50             : 
      51             :             The implementation is expected to wrap around. That is, if the given entry denotes the last
      52             :             entry in the list, then NextEntry should return the first entry.
      53             :         */
      54             :         virtual StringEntryIdentifier   NextEntry( StringEntryIdentifier _currentEntry, OUString& _out_entryText ) const = 0;
      55             : 
      56             :         /** selects a given entry
      57             :         */
      58             :         virtual void                    SelectEntry( StringEntryIdentifier _entry ) = 0;
      59             : 
      60             :     protected:
      61        3336 :         ~ISearchableStringList() {}
      62             :     };
      63             : 
      64             : 
      65             :     //= QuickSelectionEngine
      66             : 
      67             :     struct QuickSelectionEngine_Data;
      68             :     class VCL_DLLPUBLIC QuickSelectionEngine
      69             :     {
      70             :     public:
      71             :         QuickSelectionEngine( ISearchableStringList& _entryList );
      72             :         ~QuickSelectionEngine();
      73             : 
      74             :         bool    HandleKeyEvent( const KeyEvent& _rKEvt );
      75             :         void    Reset();
      76             :         void SetEnabled( const bool& b );
      77             : 
      78             :     private:
      79             :         ::std::unique_ptr< QuickSelectionEngine_Data >    m_pData;
      80             :         bool bEnabled;
      81             : 
      82             :     private:
      83             :         QuickSelectionEngine( const QuickSelectionEngine& ) SAL_DELETED_FUNCTION;
      84             :         QuickSelectionEngine& operator=( const QuickSelectionEngine& ) SAL_DELETED_FUNCTION;
      85             :     };
      86             : 
      87             : 
      88             : } // namespace vcl
      89             : 
      90             : 
      91             : #endif // INCLUDED_VCL_QUICKSELECTIONENGINE_HXX
      92             : 
      93             : /* vim:set shiftwidth=4 softtabstop=4 expandtab: */