office-gobmx/include/editeng/ESelection.hxx
Tomaž Vajngerl 5d579ddc04 editeng: simplify and clean-up ESelection
Change-Id: I8c0ee3f6b0f4e20277e006c15fddbda6ba9c05e6
Reviewed-on: https://gerrit.libreoffice.org/c/core/+/161340
Tested-by: Jenkins
Reviewed-by: Tomaž Vajngerl <quikee@gmail.com>
2023-12-28 04:21:25 +01:00

98 lines
3.3 KiB
C++

/* -*- 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
struct ESelection
{
sal_Int32 nStartPara = 0;
sal_Int32 nStartPos = 0;
sal_Int32 nEndPara = 0;
sal_Int32 nEndPos = 0;
ESelection() = default;
ESelection(sal_Int32 _nStartPara, sal_Int32 _nStartPos, sal_Int32 _nEndPara, sal_Int32 _nEndPos)
: nStartPara(_nStartPara)
, nStartPos(_nStartPos)
, nEndPara(_nEndPara)
, nEndPos(_nEndPos)
{
}
ESelection(sal_Int32 nPara, sal_Int32 nPos)
: nStartPara(nPara)
, nStartPos(nPos)
, nEndPara(nPara)
, nEndPos(nPos)
{
}
void Adjust()
{
if (nStartPara > nEndPara || (nStartPara == nEndPara && nStartPos > nEndPos))
{
std::swap(nStartPara, nEndPara);
std::swap(nStartPos, nEndPos);
}
}
bool operator==(const ESelection& rSelection) const
{
return nStartPara == rSelection.nStartPara && nStartPos == rSelection.nStartPos
&& nEndPara == rSelection.nEndPara && nEndPos == rSelection.nEndPos;
}
bool operator!=(const ESelection& rSelection) const = default;
bool operator<(const ESelection& rSelection) const
{
// The selection must be adjusted.
// => Only check if end of 'this' < Start of rS
return nEndPara < rSelection.nStartPara
|| (nEndPara == rSelection.nStartPara && nEndPos < rSelection.nStartPos
&& operator!=(rSelection));
}
bool operator>(const ESelection& rSelection) const
{
// The selection must be adjusted.
// => Only check if end of 'this' < Start of rS
return nStartPara > rSelection.nEndPara
|| (nStartPara == rSelection.nEndPara && nStartPos > rSelection.nEndPos
&& operator!=(rSelection));
}
bool IsZero() const
{
return nStartPara == 0 && nStartPos == 0 && nEndPara == 0 && nEndPos == 0;
}
bool HasRange() const { return nStartPara != nEndPara || nStartPos != nEndPos; }
};
template <typename charT, typename traits>
inline std::basic_ostream<charT, traits>& operator<<(std::basic_ostream<charT, traits>& stream,
ESelection const& rSelection)
{
return stream << "ESelection(" << rSelection.nStartPara << ',' << rSelection.nStartPos << ","
<< rSelection.nEndPara << "," << rSelection.nEndPos << ")";
}
/* vim:set shiftwidth=4 softtabstop=4 expandtab: */