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Fix for 30369. r=ben

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This commit is contained in:
hyatt%netscape.com 2000-03-04 12:00:35 +00:00
parent 9183bd2c65
commit 16f4e56c75
1 changed files with 5 additions and 1 deletions
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6
layout/xul/base/src/nsTreeRowGroupFrame.cpp
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@ -1843,6 +1843,10 @@ nsTreeRowGroupFrame::GetCellFrameAtIndex(PRInt32 aRowIndex, PRInt32 aColIndex,
#ifdef DEBUG_tree
printf("Looking for cell (%d, %d)..", aRowIndex, aColIndex);
#endif
// Init the result to null.
*aResult = nsnull;
// The screen index = (aRowIndex - mCurrentIndex)
PRInt32 screenIndex = aRowIndex - mCurrentIndex;
@ -1858,7 +1862,7 @@ nsTreeRowGroupFrame::GetCellFrameAtIndex(PRInt32 aRowIndex, PRInt32 aColIndex,
nsTableCellMap * cellMap = tableFrame->GetCellMap();
CellData* cellData = cellMap->GetCellAt(screenIndex, aColIndex);
if (cellData->IsOrig()) { // the cell originates at (rowX, colX)
if (cellData && cellData->IsOrig()) { // the cell originates at (rowX, colX)
cellFrame = cellData->GetCellFrame();
if (cellFrame) {
*aResult = (nsTreeCellFrame*)cellFrame; // XXX I am evil.