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authorDaniel Baumann <daniel.baumann@progress-linux.org>2024-04-07 09:06:44 +0000
committerDaniel Baumann <daniel.baumann@progress-linux.org>2024-04-07 09:06:44 +0000
commited5640d8b587fbcfed7dd7967f3de04b37a76f26 (patch)
tree7a5f7c6c9d02226d7471cb3cc8fbbf631b415303 /vcl/source/control/imivctl2.cxx
parentInitial commit. (diff)
downloadlibreoffice-ed5640d8b587fbcfed7dd7967f3de04b37a76f26.tar.xz
libreoffice-ed5640d8b587fbcfed7dd7967f3de04b37a76f26.zip
Adding upstream version 4:7.4.7.upstream/4%7.4.7upstream
Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>
Diffstat (limited to '')
-rw-r--r--vcl/source/control/imivctl2.cxx715
1 files changed, 715 insertions, 0 deletions
diff --git a/vcl/source/control/imivctl2.cxx b/vcl/source/control/imivctl2.cxx
new file mode 100644
index 000000000..5b0d2d8ad
--- /dev/null
+++ b/vcl/source/control/imivctl2.cxx
@@ -0,0 +1,715 @@
+/* -*- 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 "imivctl.hxx"
+#include <sal/log.hxx>
+
+IcnCursor_Impl::IcnCursor_Impl( SvxIconChoiceCtrl_Impl* pOwner )
+{
+ pView = pOwner;
+ pCurEntry = nullptr;
+ nDeltaWidth = 0;
+ nDeltaHeight= 0;
+ nCols = 0;
+ nRows = 0;
+}
+
+IcnCursor_Impl::~IcnCursor_Impl()
+{
+}
+
+sal_uInt16 IcnCursor_Impl::GetSortListPos( SvxIconChoiceCtrlEntryPtrVec& rList, tools::Long nValue,
+ bool bVertical )
+{
+ sal_uInt16 nCount = rList.size();
+ if( !nCount )
+ return 0;
+
+ sal_uInt16 nCurPos = 0;
+ tools::Long nPrevValue = LONG_MIN;
+ while( nCount )
+ {
+ const tools::Rectangle& rRect = pView->GetEntryBoundRect( rList[nCurPos] );
+ tools::Long nCurValue;
+ if( bVertical )
+ nCurValue = rRect.Top();
+ else
+ nCurValue = rRect.Left();
+ if( nValue >= nPrevValue && nValue <= nCurValue )
+ return nCurPos;
+ nPrevValue = nCurValue;
+ nCount--;
+ nCurPos++;
+ }
+ return rList.size();
+}
+
+void IcnCursor_Impl::ImplCreate()
+{
+ pView->CheckBoundingRects();
+ DBG_ASSERT(xColumns==nullptr&&xRows==nullptr,"ImplCreate: Not cleared");
+
+ SetDeltas();
+
+ xColumns.reset(new IconChoiceMap);
+ xRows.reset(new IconChoiceMap);
+
+ size_t nCount = pView->maEntries.size();
+ for( size_t nCur = 0; nCur < nCount; nCur++ )
+ {
+ SvxIconChoiceCtrlEntry* pEntry = pView->maEntries[ nCur ].get();
+ // const Rectangle& rRect = pView->GetEntryBoundRect( pEntry );
+ tools::Rectangle rRect( pView->CalcBmpRect( pEntry ) );
+ short nY = static_cast<short>( ((rRect.Top()+rRect.Bottom())/2) / nDeltaHeight );
+ short nX = static_cast<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 = (*xColumns)[nX];
+ sal_uInt16 nIns = GetSortListPos( rColEntry, rRect.Top(), true );
+ rColEntry.insert( rColEntry.begin() + nIns, pEntry );
+
+ SvxIconChoiceCtrlEntryPtrVec& rRowEntry = (*xRows)[nY];
+ nIns = GetSortListPos( rRowEntry, rRect.Left(), false );
+ rRowEntry.insert( rRowEntry.begin() + nIns, pEntry );
+
+ pEntry->nX = nX;
+ pEntry->nY = nY;
+ }
+}
+
+
+void IcnCursor_Impl::Clear()
+{
+ if( xColumns )
+ {
+ xColumns.reset();
+ xRows.reset();
+ pCurEntry = nullptr;
+ nDeltaWidth = 0;
+ nDeltaHeight = 0;
+ }
+}
+
+SvxIconChoiceCtrlEntry* IcnCursor_Impl::SearchCol(sal_uInt16 nCol, sal_uInt16 nTop, sal_uInt16 nBottom,
+ bool bDown, bool bSimple )
+{
+ DBG_ASSERT(pCurEntry, "SearchCol: No reference entry");
+ IconChoiceMap::iterator mapIt = xColumns->find( nCol );
+ if ( mapIt == xColumns->end() )
+ return nullptr;
+ SvxIconChoiceCtrlEntryPtrVec const & rList = mapIt->second;
+ const sal_uInt16 nCount = rList.size();
+ if( !nCount )
+ return nullptr;
+
+ const tools::Rectangle& rRefRect = pView->GetEntryBoundRect(pCurEntry);
+
+ if( bSimple )
+ {
+ SvxIconChoiceCtrlEntryPtrVec::const_iterator it = std::find( rList.begin(), rList.end(), pCurEntry );
+
+ assert(it != rList.end()); //Entry not in Col-List
+ if (it == rList.end())
+ return nullptr;
+
+ if( bDown )
+ {
+ while( ++it != rList.end() )
+ {
+ SvxIconChoiceCtrlEntry* pEntry = *it;
+ const tools::Rectangle& rRect = pView->GetEntryBoundRect( pEntry );
+ if( rRect.Top() > rRefRect.Top() )
+ return pEntry;
+ }
+ return nullptr;
+ }
+ else
+ {
+ SvxIconChoiceCtrlEntryPtrVec::const_reverse_iterator it2(it);
+ while (it2 != rList.rend())
+ {
+ SvxIconChoiceCtrlEntry* pEntry = *it2;
+ const tools::Rectangle& rRect = pView->GetEntryBoundRect( pEntry );
+ if( rRect.Top() < rRefRect.Top() )
+ return pEntry;
+ ++it2;
+ }
+ return nullptr;
+ }
+ }
+
+ if( nTop > nBottom )
+ std::swap(nTop, nBottom);
+
+ tools::Long nMinDistance = LONG_MAX;
+ SvxIconChoiceCtrlEntry* pResult = nullptr;
+ 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 tools::Rectangle& rRect = pView->GetEntryBoundRect( pEntry );
+ tools::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,
+ bool bRight, bool bSimple )
+{
+ DBG_ASSERT(pCurEntry,"SearchRow: No reference entry");
+ IconChoiceMap::iterator mapIt = xRows->find( nRow );
+ if ( mapIt == xRows->end() )
+ return nullptr;
+ SvxIconChoiceCtrlEntryPtrVec const & rList = mapIt->second;
+ const sal_uInt16 nCount = rList.size();
+ if( !nCount )
+ return nullptr;
+
+ const tools::Rectangle& rRefRect = pView->GetEntryBoundRect(pCurEntry);
+
+ if( bSimple )
+ {
+ SvxIconChoiceCtrlEntryPtrVec::const_iterator it = std::find( rList.begin(), rList.end(), pCurEntry );
+
+ assert(it != rList.end()); //Entry not in Row-List
+ if (it == rList.end())
+ return nullptr;
+
+ if( bRight )
+ {
+ while( ++it != rList.end() )
+ {
+ SvxIconChoiceCtrlEntry* pEntry = *it;
+ const tools::Rectangle& rRect = pView->GetEntryBoundRect( pEntry );
+ if( rRect.Left() > rRefRect.Left() )
+ return pEntry;
+ }
+ return nullptr;
+ }
+ else
+ {
+ SvxIconChoiceCtrlEntryPtrVec::const_reverse_iterator it2(it);
+ while (it2 != rList.rend())
+ {
+ SvxIconChoiceCtrlEntry* pEntry = *it2;
+ const tools::Rectangle& rRect = pView->GetEntryBoundRect( pEntry );
+ if( rRect.Left() < rRefRect.Left() )
+ return pEntry;
+ ++it2;
+ }
+ return nullptr;
+ }
+
+ }
+ if( nRight < nLeft )
+ std::swap(nRight, nLeft);
+
+ tools::Long nMinDistance = LONG_MAX;
+ SvxIconChoiceCtrlEntry* pResult = nullptr;
+ 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 tools::Rectangle& rRect = pView->GetEntryBoundRect( pEntry );
+ tools::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, 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), true, true );
+ else
+ pResult = SearchRow( nY, 0, nX, false, true );
+ if( pResult )
+ return pResult;
+
+ tools::Long nCurCol = nX;
+
+ tools::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(static_cast<sal_uInt16>(nCurCol), nRowMin, nRowMax, true, false);
+ if( pEntry )
+ return pEntry;
+ if( nRowMin )
+ nRowMin--;
+ if( nRowMax < (nRows-1))
+ nRowMax++;
+ nCurCol += nColOffs;
+ } while( nCurCol != nLastCol );
+ return nullptr;
+}
+
+SvxIconChoiceCtrlEntry* IcnCursor_Impl::GoPageUpDown( SvxIconChoiceCtrlEntry* pStart, bool bDown)
+{
+ if( pView->IsAutoArrange() && !(pView->nWinBits & WB_ALIGN_TOP) )
+ {
+ const tools::Long nPos = static_cast<tools::Long>(pView->GetEntryListPos( pStart ));
+ tools::Long nEntriesInView = pView->aOutputSize.Height() / pView->nGridDY;
+ nEntriesInView *=
+ ((pView->aOutputSize.Width()+(pView->nGridDX/2)) / pView->nGridDX );
+ tools::Long nNewPos = nPos;
+ if( bDown )
+ {
+ nNewPos += nEntriesInView;
+ if( nNewPos >= static_cast<tools::Long>(pView->maEntries.size()) )
+ nNewPos = pView->maEntries.size() - 1;
+ }
+ else
+ {
+ nNewPos -= nEntriesInView;
+ if( nNewPos < 0 )
+ nNewPos = 0;
+ }
+ if( nPos != nNewPos )
+ return pView->maEntries[ static_cast<size_t>(nNewPos) ].get();
+ return nullptr;
+ }
+ tools::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;
+
+ tools::Long nPrevErr = LONG_MAX;
+
+ SvxIconChoiceCtrlEntry* pPrev = pStart;
+ SvxIconChoiceCtrlEntry* pNext = GoUpDown( pStart, bDown );
+ while( pNext )
+ {
+ tools::Long nCur = pView->GetEntryBoundRect( pNext ).Top();
+ tools::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 nullptr;
+}
+
+SvxIconChoiceCtrlEntry* IcnCursor_Impl::GoUpDown( SvxIconChoiceCtrlEntry* pCtrlEntry, bool bDown)
+{
+ if( pView->IsAutoArrange() && !(pView->nWinBits & WB_ALIGN_TOP) )
+ {
+ sal_uLong nPos = pView->GetEntryListPos( pCtrlEntry );
+ if( bDown && nPos < (pView->maEntries.size() - 1) )
+ return pView->maEntries[ nPos + 1 ].get();
+ else if( !bDown && nPos > 0 )
+ return pView->maEntries[ nPos - 1 ].get();
+ return nullptr;
+ }
+
+ 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), true, true );
+ else
+ pResult = SearchCol( nX, 0, nY, false, true );
+ if( pResult )
+ return pResult;
+
+ tools::Long nCurRow = nY;
+
+ tools::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(static_cast<sal_uInt16>(nCurRow), nColMin, nColMax, true, false);
+ if( pEntry )
+ return pEntry;
+ if( nColMin )
+ nColMin--;
+ if( nColMax < (nCols-1))
+ nColMax++;
+ nCurRow += nRowOffs;
+ } while( nCurRow != nLastRow );
+ return nullptr;
+}
+
+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 = static_cast<short>(rSize.Width() / nCols);
+ nDeltaHeight = static_cast<short>(rSize.Height() / nRows);
+ if( !nDeltaHeight )
+ {
+ nDeltaHeight = 1;
+ SAL_INFO("vcl", "SetDeltas:Bad height");
+ }
+ if( !nDeltaWidth )
+ {
+ nDeltaWidth = 1;
+ SAL_INFO("vcl", "SetDeltas:Bad width");
+ }
+}
+
+IcnGridMap_Impl::IcnGridMap_Impl(SvxIconChoiceCtrl_Impl* pView)
+ : _pView(pView), _nGridCols(0), _nGridRows(0)
+{
+}
+
+IcnGridMap_Impl::~IcnGridMap_Impl()
+{
+}
+
+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;
+
+ size_t nNewCellCount = static_cast<size_t>(nNewGridRows) * nNewGridCols;
+ bool* pNewGridMap = new bool[nNewCellCount];
+ size_t nOldCellCount = static_cast<size_t>(_nGridRows) * _nGridCols;
+ memcpy(pNewGridMap, _pGridMap.get(), nOldCellCount * sizeof(bool));
+ memset(pNewGridMap + nOldCellCount, 0, (nNewCellCount-nOldCellCount) * sizeof(bool));
+ _pGridMap.reset( 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;
+
+ size_t nCellCount = static_cast<size_t>(_nGridRows) * _nGridCols;
+ _pGridMap.reset( new bool[nCellCount] );
+ memset(_pGridMap.get(), 0, nCellCount * sizeof(bool));
+
+ const size_t nCount = _pView->maEntries.size();
+ for( size_t nCur=0; nCur < nCount; nCur++ )
+ OccupyGrids( _pView->maEntries[ nCur ].get() );
+}
+
+void IcnGridMap_Impl::GetMinMapSize( sal_uInt16& rDX, sal_uInt16& rDY ) const
+{
+ tools::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 & IconChoiceFlags::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 & IconChoiceFlags::Arranging) )
+ nY -= _pView->nHorSBarHeight;
+ nX = _pView->aVirtOutputSize.Width();
+ }
+
+ if( !nX )
+ nX = DEFAULT_MAX_VIRT_WIDTH;
+ if( !nY )
+ nY = DEFAULT_MAX_VIRT_HEIGHT;
+
+ tools::Long nDX = nX / _pView->nGridDX;
+ tools::Long nDY = nY / _pView->nGridDY;
+
+ if( !nDX )
+ nDX++;
+ if( !nDY )
+ nDY++;
+
+ rDX = static_cast<sal_uInt16>(nDX);
+ rDY = static_cast<sal_uInt16>(nDY);
+}
+
+GridId IcnGridMap_Impl::GetGrid( sal_uInt16 nGridX, sal_uInt16 nGridY )
+{
+ Create();
+ if( _pView->nWinBits & WB_ALIGN_TOP )
+ return nGridX + ( static_cast<GridId>(nGridY) * _nGridCols );
+ else
+ return nGridY + ( static_cast<GridId>(nGridX) * _nGridRows );
+}
+
+GridId IcnGridMap_Impl::GetGrid( const Point& rDocPos )
+{
+ Create();
+
+ tools::Long nX = rDocPos.X();
+ tools::Long nY = rDocPos.Y();
+ nX -= LROFFS_WINBORDER;
+ nY -= TBOFFS_WINBORDER;
+ nX /= _pView->nGridDX;
+ nY /= _pView->nGridDY;
+ if( nX >= _nGridCols )
+ {
+ nX = _nGridCols - 1;
+ }
+ if( nY >= _nGridRows )
+ {
+ nY = _nGridRows - 1;
+ }
+ GridId nId = GetGrid( static_cast<sal_uInt16>(nX), static_cast<sal_uInt16>(nY) );
+ DBG_ASSERT(nId <o3tl::make_unsigned(_nGridCols*_nGridRows),"GetGrid failed");
+ return nId;
+}
+
+tools::Rectangle IcnGridMap_Impl::GetGridRect( GridId nId )
+{
+ Create();
+ sal_uInt16 nGridX, nGridY;
+ GetGridCoord( nId, nGridX, nGridY );
+ const tools::Long nLeft = nGridX * _pView->nGridDX+ LROFFS_WINBORDER;
+ const tools::Long nTop = nGridY * _pView->nGridDY + TBOFFS_WINBORDER;
+ return tools::Rectangle(
+ nLeft, nTop,
+ nLeft + _pView->nGridDX,
+ nTop + _pView->nGridDY );
+}
+
+GridId IcnGridMap_Impl::GetUnoccupiedGrid()
+{
+ Create();
+ sal_uLong nStart = 0;
+ bool bExpanded = false;
+
+ while( true )
+ {
+ const sal_uLong nCount = static_cast<sal_uInt16>(_nGridCols * _nGridRows);
+ for( sal_uLong nCur = nStart; nCur < nCount; nCur++ )
+ {
+ if( !_pGridMap[ nCur ] )
+ {
+ _pGridMap[ nCur ] = true;
+ return static_cast<GridId>(nCur);
+ }
+ }
+ DBG_ASSERT(!bExpanded,"ExpandGrid failed");
+ if( bExpanded )
+ return 0; // prevent never ending loop
+ bExpanded = 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 )
+{
+ if( !_pGridMap || !SvxIconChoiceCtrl_Impl::IsBoundingRectValid( pEntry->aRect ))
+ return;
+ OccupyGrid( GetGrid( pEntry->aRect.Center()) );
+}
+
+void IcnGridMap_Impl::Clear()
+{
+ if( _pGridMap )
+ {
+ _pGridMap.reset();
+ _nGridRows = 0;
+ _nGridCols = 0;
+ _aLastOccupiedGrid.SetEmpty();
+ }
+}
+
+sal_uLong IcnGridMap_Impl::GetGridCount( const Size& rSizePixel, sal_uInt16 nDX, sal_uInt16 nDY)
+{
+ tools::Long ndx = (rSizePixel.Width() - LROFFS_WINBORDER) / nDX;
+ if( ndx < 0 ) ndx *= -1;
+ tools::Long ndy = (rSizePixel.Height() - TBOFFS_WINBORDER) / nDY;
+ if( ndy < 0 ) ndy *= -1;
+ return static_cast<sal_uLong>(ndx * ndy);
+}
+
+void IcnGridMap_Impl::OutputSizeChanged()
+{
+ if( !_pGridMap )
+ return;
+
+ 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 = static_cast<sal_uInt16>(nId % _nGridCols);
+ rGridY = static_cast<sal_uInt16>(nId / _nGridCols);
+ }
+ else
+ {
+ rGridX = static_cast<sal_uInt16>(nId / _nGridRows);
+ rGridY = static_cast<sal_uInt16>(nId % _nGridRows);
+ }
+}
+
+
+/* vim:set shiftwidth=4 softtabstop=4 expandtab: */