office-gobmx/svtools/source/contnr/imivctl2.cxx
Stephan Bergmann c68afc22fe Work around Mac GCC error
Change-Id: I7fcd84e923c0971f420cfd3f298e5a1d0b111d1a
2012-07-19 09:21:51 +02:00

782 lines
22 KiB
C++

/* -*- Mode: C++; tab-width: 4; indent-tabs-mode: nil; c-basic-offset: 4 -*- */
/*************************************************************************
*
* DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
*
* Copyright 2000, 2010 Oracle and/or its affiliates.
*
* OpenOffice.org - a multi-platform office productivity suite
*
* This file is part of OpenOffice.org.
*
* OpenOffice.org is free software: you can redistribute it and/or modify
* it under the terms of the GNU Lesser General Public License version 3
* only, as published by the Free Software Foundation.
*
* OpenOffice.org is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU Lesser General Public License version 3 for more details
* (a copy is included in the LICENSE file that accompanied this code).
*
* You should have received a copy of the GNU Lesser General Public License
* version 3 along with OpenOffice.org. If not, see
* <http://www.openoffice.org/license.html>
* for a copy of the LGPLv3 License.
*
************************************************************************/
#include "imivctl.hxx"
IcnCursor_Impl::IcnCursor_Impl( SvxIconChoiceCtrl_Impl* pOwner )
{
pView = pOwner;
pCurEntry = 0;
nDeltaWidth = 0;
nDeltaHeight= 0;
nCols = 0;
nRows = 0;
}
IcnCursor_Impl::~IcnCursor_Impl()
{
}
sal_uInt16 IcnCursor_Impl::GetSortListPos( SvxIconChoiceCtrlEntryPtrVec& rList, long nValue,
int bVertical )
{
sal_uInt16 nCount = rList.size();
if( !nCount )
return 0;
sal_uInt16 nCurPos = 0;
long nPrevValue = LONG_MIN;
while( nCount )
{
const Rectangle& rRect = pView->GetEntryBoundRect( rList[nCurPos] );
long nCurValue;
if( bVertical )
nCurValue = rRect.Top();
else
nCurValue = rRect.Left();
if( nValue >= nPrevValue && nValue <= nCurValue )
return (sal_uInt16)nCurPos;
nPrevValue = nCurValue;
nCount--;
nCurPos++;
}
return rList.size();
}
void IcnCursor_Impl::ImplCreate()
{
pView->CheckBoundingRects();
DBG_ASSERT(pColumns==0&&pRows==0,"ImplCreate: Not cleared");
SetDeltas();
pColumns.reset(new IconChoiceMap);
pRows.reset(new IconChoiceMap);
size_t nCount = pView->aEntries.size();
for( size_t nCur = 0; nCur < nCount; nCur++ )
{
SvxIconChoiceCtrlEntry* pEntry = pView->aEntries[ nCur ];
// const Rectangle& rRect = pView->GetEntryBoundRect( pEntry );
Rectangle rRect( pView->CalcBmpRect( pEntry,0 ) );
short nY = (short)( ((rRect.Top()+rRect.Bottom())/2) / nDeltaHeight );
short nX = (short)( ((rRect.Left()+rRect.Right())/2) / nDeltaWidth );
// capture rounding errors
if( nY >= nRows )
nY = sal::static_int_cast< short >(nRows - 1);
if( nX >= nCols )
nX = sal::static_int_cast< short >(nCols - 1);
SvxIconChoiceCtrlEntryPtrVec& rColEntry = (*pColumns)[nX];
sal_uInt16 nIns = GetSortListPos( rColEntry, rRect.Top(), sal_True );
rColEntry.insert( rColEntry.begin() + nIns, pEntry );
SvxIconChoiceCtrlEntryPtrVec& rRowEntry = (*pRows)[nY];
nIns = GetSortListPos( rRowEntry, rRect.Left(), sal_False );
rRowEntry.insert( rRowEntry.begin() + nIns, pEntry );
pEntry->nX = nX;
pEntry->nY = nY;
}
}
void IcnCursor_Impl::Clear()
{
if( pColumns )
{
pColumns.reset();
pRows.reset();
pCurEntry = 0;
nDeltaWidth = 0;
nDeltaHeight = 0;
}
}
SvxIconChoiceCtrlEntry* IcnCursor_Impl::SearchCol(sal_uInt16 nCol, sal_uInt16 nTop, sal_uInt16 nBottom,
sal_uInt16, bool bDown, bool bSimple )
{
DBG_ASSERT(pCurEntry, "SearchCol: No reference entry");
IconChoiceMap::iterator mapIt = pColumns->find( nCol );
if ( mapIt == pColumns->end() )
return 0;
SvxIconChoiceCtrlEntryPtrVec const & rList = mapIt->second;
const sal_uInt16 nCount = rList.size();
if( !nCount )
return 0;
const Rectangle& rRefRect = pView->GetEntryBoundRect(pCurEntry);
if( bSimple )
{
SvxIconChoiceCtrlEntryPtrVec::const_iterator it = std::find( rList.begin(), rList.end(), pCurEntry );
DBG_ASSERT( it != rList.end(), "Entry not in Col-List" );
if( bDown )
{
while( ++it != rList.end() )
{
SvxIconChoiceCtrlEntry* pEntry = *it;
const Rectangle& rRect = pView->GetEntryBoundRect( pEntry );
if( rRect.Top() > rRefRect.Top() )
return pEntry;
}
return 0;
}
else
{
SvxIconChoiceCtrlEntryPtrVec::const_reverse_iterator it2(it);
while (it2 != rList.rend())
{
SvxIconChoiceCtrlEntry* pEntry = *it2;
const Rectangle& rRect = pView->GetEntryBoundRect( pEntry );
if( rRect.Top() < rRefRect.Top() )
return pEntry;
++it2;
}
return 0;
}
}
if( nTop > nBottom )
{
sal_uInt16 nTemp = nTop;
nTop = nBottom;
nBottom = nTemp;
}
long nMinDistance = LONG_MAX;
SvxIconChoiceCtrlEntry* pResult = 0;
for( sal_uInt16 nCur = 0; nCur < nCount; nCur++ )
{
SvxIconChoiceCtrlEntry* pEntry = rList[ nCur ];
if( pEntry != pCurEntry )
{
sal_uInt16 nY = pEntry->nY;
if( nY >= nTop && nY <= nBottom )
{
const Rectangle& rRect = pView->GetEntryBoundRect( pEntry );
long nDistance = rRect.Top() - rRefRect.Top();
if( nDistance < 0 )
nDistance *= -1;
if( nDistance && nDistance < nMinDistance )
{
nMinDistance = nDistance;
pResult = pEntry;
}
}
}
}
return pResult;
}
SvxIconChoiceCtrlEntry* IcnCursor_Impl::SearchRow(sal_uInt16 nRow, sal_uInt16 nLeft, sal_uInt16 nRight,
sal_uInt16, bool bRight, bool bSimple )
{
DBG_ASSERT(pCurEntry,"SearchRow: No reference entry");
IconChoiceMap::iterator mapIt = pRows->find( nRow );
if ( mapIt == pRows->end() )
return 0;
SvxIconChoiceCtrlEntryPtrVec const & rList = mapIt->second;
const sal_uInt16 nCount = rList.size();
if( !nCount )
return 0;
const Rectangle& rRefRect = pView->GetEntryBoundRect(pCurEntry);
if( bSimple )
{
SvxIconChoiceCtrlEntryPtrVec::const_iterator it = std::find( rList.begin(), rList.end(), pCurEntry );
DBG_ASSERT( it != rList.end(), "Entry not in Row-List" );
if( bRight )
{
while( ++it != rList.end() )
{
SvxIconChoiceCtrlEntry* pEntry = *it;
const Rectangle& rRect = pView->GetEntryBoundRect( pEntry );
if( rRect.Left() > rRefRect.Left() )
return pEntry;
}
return 0;
}
else
{
SvxIconChoiceCtrlEntryPtrVec::const_reverse_iterator it2(it);
while (it2 != rList.rend())
{
SvxIconChoiceCtrlEntry* pEntry = *it2;
const Rectangle& rRect = pView->GetEntryBoundRect( pEntry );
if( rRect.Left() < rRefRect.Left() )
return pEntry;
++it2;
}
return 0;
}
}
if( nRight < nLeft )
{
sal_uInt16 nTemp = nRight;
nRight = nLeft;
nLeft = nTemp;
}
long nMinDistance = LONG_MAX;
SvxIconChoiceCtrlEntry* pResult = 0;
for( sal_uInt16 nCur = 0; nCur < nCount; nCur++ )
{
SvxIconChoiceCtrlEntry* pEntry = rList[ nCur ];
if( pEntry != pCurEntry )
{
sal_uInt16 nX = pEntry->nX;
if( nX >= nLeft && nX <= nRight )
{
const Rectangle& rRect = pView->GetEntryBoundRect( pEntry );
long nDistance = rRect.Left() - rRefRect.Left();
if( nDistance < 0 )
nDistance *= -1;
if( nDistance && nDistance < nMinDistance )
{
nMinDistance = nDistance;
pResult = pEntry;
}
}
}
}
return pResult;
}
/*
Searches, starting from the passed value, the next entry to the left/to the
right. Example for bRight = sal_True:
c
b c
a b c
S 1 1 1 ====> search direction
a b c
b c
c
S : starting position
1 : first searched rectangle
a,b,c : 2nd, 3rd, 4th searched rectangle
*/
SvxIconChoiceCtrlEntry* IcnCursor_Impl::GoLeftRight( SvxIconChoiceCtrlEntry* pCtrlEntry, sal_Bool bRight )
{
SvxIconChoiceCtrlEntry* pResult;
pCurEntry = pCtrlEntry;
Create();
sal_uInt16 nY = pCtrlEntry->nY;
sal_uInt16 nX = pCtrlEntry->nX;
DBG_ASSERT(nY< nRows,"GoLeftRight:Bad column");
DBG_ASSERT(nX< nCols,"GoLeftRight:Bad row");
// neighbor in same row?
if( bRight )
pResult = SearchRow(
nY, nX, sal::static_int_cast< sal_uInt16 >(nCols-1), nX, sal_True, sal_True );
else
pResult = SearchRow( nY, nX ,0, nX, sal_False, sal_True );
if( pResult )
return pResult;
long nCurCol = nX;
long nColOffs, nLastCol;
if( bRight )
{
nColOffs = 1;
nLastCol = nCols;
}
else
{
nColOffs = -1;
nLastCol = -1; // 0-1
}
sal_uInt16 nRowMin = nY;
sal_uInt16 nRowMax = nY;
do
{
SvxIconChoiceCtrlEntry* pEntry = SearchCol((sal_uInt16)nCurCol,nRowMin,nRowMax,nY,sal_True, sal_False);
if( pEntry )
return pEntry;
if( nRowMin )
nRowMin--;
if( nRowMax < (nRows-1))
nRowMax++;
nCurCol += nColOffs;
} while( nCurCol != nLastCol );
return 0;
}
SvxIconChoiceCtrlEntry* IcnCursor_Impl::GoPageUpDown( SvxIconChoiceCtrlEntry* pStart, sal_Bool bDown)
{
if( pView->IsAutoArrange() && !(pView->nWinBits & WB_ALIGN_TOP) )
{
const long nPos = (long)pView->GetEntryListPos( pStart );
long nEntriesInView = (pView->aOutputSize.Height() / pView->nGridDY);
nEntriesInView *=
((pView->aOutputSize.Width()+(pView->nGridDX/2)) / pView->nGridDX );
long nNewPos = nPos;
if( bDown )
{
nNewPos += nEntriesInView;
if( nNewPos >= (long)pView->aEntries.size() )
nNewPos = pView->aEntries.size() - 1;
}
else
{
nNewPos -= nEntriesInView;
if( nNewPos < 0 )
nNewPos = 0;
}
if( nPos != nNewPos )
return pView->aEntries[ (size_t)nNewPos ];
return 0;
}
long nOpt = pView->GetEntryBoundRect( pStart ).Top();
if( bDown )
{
nOpt += pView->aOutputSize.Height();
nOpt -= pView->nGridDY;
}
else
{
nOpt -= pView->aOutputSize.Height();
nOpt += pView->nGridDY;
}
if( nOpt < 0 )
nOpt = 0;
long nPrevErr = LONG_MAX;
SvxIconChoiceCtrlEntry* pPrev = pStart;
SvxIconChoiceCtrlEntry* pNext = GoUpDown( pStart, bDown );
while( pNext )
{
long nCur = pView->GetEntryBoundRect( pNext ).Top();
long nErr = nOpt - nCur;
if( nErr < 0 )
nErr *= -1;
if( nErr > nPrevErr )
return pPrev;
nPrevErr = nErr;
pPrev = pNext;
pNext = GoUpDown( pNext, bDown );
}
if( pPrev != pStart )
return pPrev;
return 0;
}
SvxIconChoiceCtrlEntry* IcnCursor_Impl::GoUpDown( SvxIconChoiceCtrlEntry* pCtrlEntry, sal_Bool bDown)
{
if( pView->IsAutoArrange() && !(pView->nWinBits & WB_ALIGN_TOP) )
{
sal_uLong nPos = pView->GetEntryListPos( pCtrlEntry );
if( bDown && nPos < (pView->aEntries.size() - 1) )
return pView->aEntries[ nPos + 1 ];
else if( !bDown && nPos > 0 )
return pView->aEntries[ nPos - 1 ];
return 0;
}
SvxIconChoiceCtrlEntry* pResult;
pCurEntry = pCtrlEntry;
Create();
sal_uInt16 nY = pCtrlEntry->nY;
sal_uInt16 nX = pCtrlEntry->nX;
DBG_ASSERT(nY<nRows,"GoUpDown:Bad column");
DBG_ASSERT(nX<nCols,"GoUpDown:Bad row");
// neighbor in same column?
if( bDown )
pResult = SearchCol(
nX, nY, sal::static_int_cast< sal_uInt16 >(nRows-1), nY, sal_True, sal_True );
else
pResult = SearchCol( nX, nY ,0, nY, sal_False, sal_True );
if( pResult )
return pResult;
long nCurRow = nY;
long nRowOffs, nLastRow;
if( bDown )
{
nRowOffs = 1;
nLastRow = nRows;
}
else
{
nRowOffs = -1;
nLastRow = -1; // 0-1
}
sal_uInt16 nColMin = nX;
sal_uInt16 nColMax = nX;
do
{
SvxIconChoiceCtrlEntry* pEntry = SearchRow((sal_uInt16)nCurRow,nColMin,nColMax,nX,sal_True, sal_False);
if( pEntry )
return pEntry;
if( nColMin )
nColMin--;
if( nColMax < (nCols-1))
nColMax++;
nCurRow += nRowOffs;
} while( nCurRow != nLastRow );
return 0;
}
void IcnCursor_Impl::SetDeltas()
{
const Size& rSize = pView->aVirtOutputSize;
nCols = rSize.Width() / pView->nGridDX;
if( !nCols )
nCols = 1;
nRows = rSize.Height() / pView->nGridDY;
if( (nRows * pView->nGridDY) < rSize.Height() )
nRows++;
if( !nRows )
nRows = 1;
nDeltaWidth = (short)(rSize.Width() / nCols);
nDeltaHeight = (short)(rSize.Height() / nRows);
if( !nDeltaHeight )
{
nDeltaHeight = 1;
DBG_WARNING("SetDeltas:Bad height");
}
if( !nDeltaWidth )
{
nDeltaWidth = 1;
DBG_WARNING("SetDeltas:Bad width");
}
}
void IcnCursor_Impl::CreateGridAjustData( IconChoiceMap& rLists, SvxIconChoiceCtrlEntry* pRefEntry)
{
if( !pRefEntry )
{
sal_uInt16 nGridRows = (sal_uInt16)(pView->aVirtOutputSize.Height() / pView->nGridDY);
nGridRows++; // because we round down later!
if( !nGridRows )
return;
const size_t nCount = pView->aEntries.size();
for( size_t nCur = 0; nCur < nCount; nCur++ )
{
SvxIconChoiceCtrlEntry* pEntry = pView->aEntries[ nCur ];
const Rectangle& rRect = pView->GetEntryBoundRect( pEntry );
short nY = (short)( ((rRect.Top()+rRect.Bottom())/2) / pView->nGridDY );
sal_uInt16 nIns = GetSortListPos( rLists[nY], rRect.Left(), sal_False );
rLists[ nY ].insert( rLists[ nY ].begin() + nIns, pEntry );
}
}
else
{
// build a horizontal "tube" in the RefEntry line
// STOP AND THINK: maybe use bounding rectangle because of overlaps?
Rectangle rRefRect( pView->CalcBmpRect( pRefEntry ) );
//const Rectangle& rRefRect = pView->GetEntryBoundRect( pRefEntry );
short nRefRow = (short)( ((rRefRect.Top()+rRefRect.Bottom())/2) / pView->nGridDY );
SvxIconChoiceCtrlEntryPtrVec& rRow = rLists[0];
size_t nCount = pView->aEntries.size();
for( size_t nCur = 0; nCur < nCount; nCur++ )
{
SvxIconChoiceCtrlEntry* pEntry = pView->aEntries[ nCur ];
Rectangle rRect( pView->CalcBmpRect(pEntry) );
//const Rectangle& rRect = pView->GetEntryBoundRect( pEntry );
short nY = (short)( ((rRect.Top()+rRect.Bottom())/2) / pView->nGridDY );
if( nY == nRefRow )
{
sal_uInt16 nIns = GetSortListPos( rRow, rRect.Left(), sal_False );
rRow.insert( rRow.begin() + nIns, pEntry );
}
}
}
}
//static
void IcnCursor_Impl::DestroyGridAdjustData( IconChoiceMap& rLists )
{
rLists.clear();
}
IcnGridMap_Impl::IcnGridMap_Impl(SvxIconChoiceCtrl_Impl* pView)
{
_pView = pView;
_pGridMap = 0;
_nGridCols = 0;
_nGridRows = 0;
}
IcnGridMap_Impl::~IcnGridMap_Impl()
{
delete[] _pGridMap, _pGridMap=0;
}
void IcnGridMap_Impl::Expand()
{
if( !_pGridMap )
Create_Impl();
else
{
sal_uInt16 nNewGridRows = _nGridRows;
sal_uInt16 nNewGridCols = _nGridCols;
if( _pView->nWinBits & WB_ALIGN_TOP )
nNewGridRows += 50;
else
nNewGridCols += 50;
sal_Bool* pNewGridMap = new sal_Bool[nNewGridRows*nNewGridCols];
memset( pNewGridMap, 0, nNewGridRows * nNewGridCols * sizeof(sal_Bool) );
memcpy( pNewGridMap, _pGridMap, _nGridRows * _nGridCols * sizeof(sal_Bool) );
delete[] _pGridMap;
_pGridMap = pNewGridMap;
_nGridRows = nNewGridRows;
_nGridCols = nNewGridCols;
}
}
void IcnGridMap_Impl::Create_Impl()
{
DBG_ASSERT(!_pGridMap,"Unnecessary call to IcnGridMap_Impl::Create_Impl()");
if( _pGridMap )
return;
GetMinMapSize( _nGridCols, _nGridRows );
if( _pView->nWinBits & WB_ALIGN_TOP )
_nGridRows += 50; // avoid resize of gridmap too often
else
_nGridCols += 50;
_pGridMap = new sal_Bool[ _nGridRows * _nGridCols];
memset( (void*)_pGridMap, 0, _nGridRows * _nGridCols );
const size_t nCount = _pView->aEntries.size();
for( size_t nCur=0; nCur < nCount; nCur++ )
OccupyGrids( _pView->aEntries[ nCur ] );
}
void IcnGridMap_Impl::GetMinMapSize( sal_uInt16& rDX, sal_uInt16& rDY ) const
{
long nX, nY;
if( _pView->nWinBits & WB_ALIGN_TOP )
{
// The view grows in vertical direction. Its max. width is _pView->nMaxVirtWidth
nX = _pView->nMaxVirtWidth;
if( !nX )
nX = _pView->pView->GetOutputSizePixel().Width();
if( !(_pView->nFlags & F_ARRANGING) )
nX -= _pView->nVerSBarWidth;
nY = _pView->aVirtOutputSize.Height();
}
else
{
// The view grows in horizontal direction. Its max. height is _pView->nMaxVirtHeight
nY = _pView->nMaxVirtHeight;
if( !nY )
nY = _pView->pView->GetOutputSizePixel().Height();
if( !(_pView->nFlags & F_ARRANGING) )
nY -= _pView->nHorSBarHeight;
nX = _pView->aVirtOutputSize.Width();
}
if( !nX )
nX = DEFAULT_MAX_VIRT_WIDTH;
if( !nY )
nY = DEFAULT_MAX_VIRT_HEIGHT;
long nDX = nX / _pView->nGridDX;
long nDY = nY / _pView->nGridDY;
if( !nDX )
nDX++;
if( !nDY )
nDY++;
rDX = (sal_uInt16)nDX;
rDY = (sal_uInt16)nDY;
}
GridId IcnGridMap_Impl::GetGrid( sal_uInt16 nGridX, sal_uInt16 nGridY )
{
Create();
if( _pView->nWinBits & WB_ALIGN_TOP )
return nGridX + ( nGridY * _nGridCols );
else
return nGridY + ( nGridX * _nGridRows );
}
GridId IcnGridMap_Impl::GetGrid( const Point& rDocPos, sal_Bool* pbClipped )
{
Create();
long nX = rDocPos.X();
long nY = rDocPos.Y();
nX -= LROFFS_WINBORDER;
nY -= TBOFFS_WINBORDER;
nX /= _pView->nGridDX;
nY /= _pView->nGridDY;
sal_Bool bClipped = sal_False;
if( nX >= _nGridCols )
{
nX = _nGridCols - 1;
bClipped = sal_True;
}
if( nY >= _nGridRows )
{
nY = _nGridRows - 1;
bClipped = sal_True;
}
GridId nId = GetGrid( (sal_uInt16)nX, (sal_uInt16)nY );
if( pbClipped )
*pbClipped = bClipped;
DBG_ASSERT(nId <(sal_uLong)(_nGridCols*_nGridRows),"GetGrid failed");
return nId;
}
Rectangle IcnGridMap_Impl::GetGridRect( GridId nId )
{
Create();
sal_uInt16 nGridX, nGridY;
GetGridCoord( nId, nGridX, nGridY );
const long nLeft = nGridX * _pView->nGridDX+ LROFFS_WINBORDER;
const long nTop = nGridY * _pView->nGridDY + TBOFFS_WINBORDER;
return Rectangle(
nLeft, nTop,
nLeft + _pView->nGridDX,
nTop + _pView->nGridDY );
}
GridId IcnGridMap_Impl::GetUnoccupiedGrid( sal_Bool bOccupyFound )
{
Create();
sal_uLong nStart = 0;
sal_Bool bExpanded = sal_False;
while( 1 )
{
const sal_uLong nCount = (sal_uInt16)(_nGridCols * _nGridRows);
for( sal_uLong nCur = nStart; nCur < nCount; nCur++ )
{
if( !_pGridMap[ nCur ] )
{
if( bOccupyFound )
_pGridMap[ nCur ] = sal_True;
return (GridId)nCur;
}
}
DBG_ASSERT(!bExpanded,"ExpandGrid failed");
if( bExpanded )
return 0; // prevent never ending loop
bExpanded = sal_True;
Expand();
nStart = nCount;
}
}
// An entry only means that there's a GridRect lying under its center. This
// variant is much faster than allocating via the bounding rectangle but can
// lead to small overlaps.
void IcnGridMap_Impl::OccupyGrids( const SvxIconChoiceCtrlEntry* pEntry, sal_Bool bOccupy )
{
if( !_pGridMap || !_pView->IsBoundingRectValid( pEntry->aRect ))
return;
OccupyGrid( GetGrid( pEntry->aRect.Center()), bOccupy );
}
void IcnGridMap_Impl::Clear()
{
if( _pGridMap )
{
delete[] _pGridMap, _pGridMap=0;
_nGridRows = 0;
_nGridCols = 0;
_aLastOccupiedGrid.SetEmpty();
}
}
sal_uLong IcnGridMap_Impl::GetGridCount( const Size& rSizePixel, sal_uInt16 nDX, sal_uInt16 nDY)
{
long ndx = (rSizePixel.Width() - LROFFS_WINBORDER) / nDX;
if( ndx < 0 ) ndx *= -1;
long ndy = (rSizePixel.Height() - TBOFFS_WINBORDER) / nDY;
if( ndy < 0 ) ndy *= -1;
return (sal_uLong)(ndx * ndy);
}
void IcnGridMap_Impl::OutputSizeChanged()
{
if( _pGridMap )
{
sal_uInt16 nCols, nRows;
GetMinMapSize( nCols, nRows );
if( _pView->nWinBits & WB_ALIGN_TOP )
{
if( nCols != _nGridCols )
Clear();
else if( nRows >= _nGridRows )
Expand();
}
else
{
if( nRows != _nGridRows )
Clear();
else if( nCols >= _nGridCols )
Expand();
}
}
}
// Independently of the view's alignment (TOP or LEFT), the gridmap
// should contain the data in a continuous region, to make it possible
// to copy the whole block if the gridmap needs to be expanded.
void IcnGridMap_Impl::GetGridCoord( GridId nId, sal_uInt16& rGridX, sal_uInt16& rGridY )
{
Create();
if( _pView->nWinBits & WB_ALIGN_TOP )
{
rGridX = (sal_uInt16)(nId % _nGridCols);
rGridY = (sal_uInt16)(nId / _nGridCols);
}
else
{
rGridX = (sal_uInt16)(nId / _nGridRows);
rGridY = (sal_uInt16)(nId % _nGridRows);
}
}
/* vim:set shiftwidth=4 softtabstop=4 expandtab: */