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/* -*- 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 .
*/
#pragma once
#include <rtl/ustring.hxx>
#include <unordered_map>
// definition
namespace framework
{
/**
can be used to map key identifier to the
corresponding key codes ...
*/
class KeyMapping
{
// const, types
private:
/** @short is used to map a key code
to the right key identifier, which is
used to make the xml file "human readable"
*/
struct KeyIdentifierInfo
{
sal_Int16 Code;
const char* Identifier;
};
/** @short hash structure to map identifier to key codes. */
typedef std::unordered_map<OUString, sal_Int16> Identifier2CodeHash;
/** @short hash structure to map key codes to identifier. */
typedef std::unordered_map<sal_Int16, OUString> Code2IdentifierHash;
// member
private:
static KeyIdentifierInfo const KeyIdentifierMap[];
/** @short hash to map identifier to key codes. */
Identifier2CodeHash m_lIdentifierHash;
/** @short hash to map key codes to identifier. */
Code2IdentifierHash m_lCodeHash;
// interface
public:
KeyMapping();
static KeyMapping & get();
/** @short return a suitable key code
for the specified key identifier.
@param sIdentifier
string value, which describe the key.
@return [css::awt::KeyEvent]
the corresponding key code as
short value.
@throw [css::lang::IllegalArgumentException]
if the given identifier does not describe
a well known key code.
*/
sal_uInt16 mapIdentifierToCode(const OUString& sIdentifier);
/** @short return a suitable key identifier
for the specified key code.
@param nCode
short value, which describe the key.
@return The corresponding string identifier.
*/
OUString mapCodeToIdentifier(sal_uInt16 nCode);
// helper
private:
/** @short check if the given string describe a numeric
value ... and convert it.
@param sIdentifier
the string value, which should be converted.
@param rCode
contains the converted code, but is defined only
if this method returns sal_True!
@return [boolean]
sal_True if conversion was successful.
*/
bool impl_st_interpretIdentifierAsPureKeyCode(std::u16string_view sIdentifier,
sal_uInt16& rCode );
};
} // namespace framework
/* vim:set shiftwidth=4 softtabstop=4 expandtab: */
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