/* -*- 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 .
*/
#include <sal/config.h>
#include <algorithm>
#include <hintids.hxx>
#include <editeng/lrspitem.hxx>
#include <osl/diagnose.h>
#include <colmgr.hxx>
#include <fmtfsize.hxx>
#include <swtypes.hxx>
// private methods
// set column width to current width
void FitToActualSize(SwFormatCol& rCol, sal_uInt16 nWidth)
{
const sal_uInt16 nCount = rCol.GetColumns().size();
for (sal_uInt16 i = 0; i < nCount; ++i)
{
const sal_uInt16 nTmp = rCol.CalcColWidth(i, nWidth);
auto& col = rCol.GetColumns()[i];
col.SetWishWidth(nTmp);
// If necessary, shrink borders (as equally as possible) to keep up the invariant that
// GetWishWidth() >= GetLeft() + GetRight():
sal_uInt32
const borders = col.GetLeft() + col.GetRight();
if (borders > nTmp)
{
auto const shrink = borders - nTmp;
auto const half = shrink / 2;
// rounds down
if (col.GetLeft() < col.GetRight())
{
auto const shrinkLeft = std::min(sal_uInt32(col.GetLeft()), half);
col.SetLeft(col.GetLeft() - shrinkLeft);
col.SetRight(col.GetRight() - (shrink - shrinkLeft));
}
else
{
auto const shrinkRight = std::min(sal_uInt32(col.GetRight()), half);
col.SetLeft(col.GetLeft() - (shrink - shrinkRight));
col.SetRight(col.GetRight() - shrinkRight);
}
}
}
rCol.SetWishWidth(nWidth);
}
// public methods
// set column quantity and Gutterwidth
void SwColMgr::SetCount(sal_uInt16 nCount, sal_uInt16 nGutterWidth)
{
m_aFormatCol.Init(nCount, nGutterWidth, m_nWidth);
m_aFormatCol.SetWishWidth(m_nWidth);
m_aFormatCol.SetGutterWidth(nGutterWidth, m_nWidth);
}
sal_uInt16 SwColMgr::GetGutterWidth(sal_uInt16 nPos)
const
{
sal_uInt16 nRet;
if (nPos == USHRT_MAX)
nRet = GetCount() > 1 ? m_aFormatCol.GetGutterWidth() : DEF_GUTTER_WIDTH;
else
{
OSL_ENSURE(nPos < GetCount() - 1,
"column overindexed");
const SwColumns& rCols = m_aFormatCol.GetColumns();
nRet = rCols[nPos].GetRight() + rCols[nPos + 1].GetLeft();
}
return nRet;
}
void SwColMgr::SetGutterWidth(sal_uInt16 nGutterWidth, sal_uInt16 nPos)
{
if (nPos == USHRT_MAX)
m_aFormatCol.SetGutterWidth(nGutterWidth, m_nWidth);
else
{
OSL_ENSURE(nPos < GetCount() - 1,
"column overindexed");
SwColumns& rCols = m_aFormatCol.GetColumns();
sal_uInt16 nGutterWidth2 = nGutterWidth / 2;
rCols[nPos].SetRight(nGutterWidth2);
rCols[nPos + 1].SetLeft(nGutterWidth2);
}
}
// height separation line
short SwColMgr::GetLineHeightPercent()
const
{
return static_cast<
short>(m_aFormatCol.GetLineHeight());
}
void SwColMgr::SetLineHeightPercent(
short nPercent)
{
OSL_ENSURE(nPercent <= 100,
"line height may be at most 100%");
m_aFormatCol.SetLineHeight(
static_cast<sal_uInt8>(nPercent));
}
// column width
sal_uInt16 SwColMgr::GetColWidth(sal_uInt16 nIdx)
const
{
OSL_ENSURE(nIdx < GetCount(),
"Column array overindexed.");
return m_aFormatCol.CalcPrtColWidth(nIdx, m_nWidth);
}
void SwColMgr::SetColWidth(sal_uInt16 nIdx, sal_uInt16 nWd)
{
OSL_ENSURE(nIdx < GetCount(),
"Column array overindexed.");
m_aFormatCol.GetColumns()[nIdx].SetWishWidth(nWd);
}
// newly set size
void SwColMgr::SetActualWidth(sal_uInt16 nW)
{
m_nWidth = nW;
::FitToActualSize(m_aFormatCol, nW);
}
// ctor
SwColMgr::SwColMgr(
const SfxItemSet& rSet)
: m_aFormatCol(rSet.Get(RES_COL))
{
m_nWidth = o3tl::narrowing<sal_uInt16>(rSet.Get(RES_FRM_SIZE).GetWidth());
if (m_nWidth < MINLAY)
m_nWidth = USHRT_MAX;
const SvxLRSpaceItem& rLR = rSet.Get(RES_LR_SPACE);
m_nWidth = m_nWidth - o3tl::narrowing<sal_uInt16>(rLR.ResolveLeft({}));
m_nWidth = m_nWidth - o3tl::narrowing<sal_uInt16>(rLR.ResolveRight({}));
::FitToActualSize(m_aFormatCol, m_nWidth);
}
SwColMgr::~SwColMgr() {}
void SwColMgr::SetLineWidthAndColor(SvxBorderLineStyle eStyle, sal_uLong nLWidth,
const Color& rCol)
{
m_aFormatCol.SetLineStyle(eStyle);
m_aFormatCol.SetLineWidth(nLWidth);
m_aFormatCol.SetLineColor(rCol);
}
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