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Bug 415012: Fix deadSpaceGap computation and restore deadSpaceGap subtraction in PrintPreviewNavigate. r+sr=roc, a1.9=beltzner

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dholbert@cs.stanford.edu 2008-02-07 15:08:00 -08:00
parent ff6c52fcbe
commit 428ba6862a
1 changed files with 7 additions and 7 deletions
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14
layout/base/nsDocumentViewer.cpp
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@ -3657,16 +3657,16 @@ DocumentViewerImpl::PrintPreviewNavigate(PRInt16 aType, PRInt32 aPageNum)
if (NS_SUCCEEDED(CallQueryInterface(seqFrame, &sqf))) {
sqf->GetDeadSpaceValue(&deadSpaceGapTwips);
}
nscoord deadSpaceGap = mPresContext->TwipsToAppUnits(deadSpaceGapTwips);
// XXXdholbert: deadSpaceGap should be subtracted from
// fndPageFrame->GetPosition().y, before the scaling. However,
// deadSpaceGap isn't matching up to the actual visible dead space in Print
// Preview right now -- see bug 414075. Hence, ignoring deadSpaceGap for
// now -- instead, we'll navigate to exactly the top of the given page.
// To compute deadSpaceGap, use the same presContext as was used
// to layout the seqFrame. (That presContext may have different
// TwipsToAppUnits conversion from this->mPresContext)
nscoord deadSpaceGap =
seqFrame->PresContext()->TwipsToAppUnits(deadSpaceGapTwips);
nscoord newYPosn =
nscoord(mPrintEngine->GetPrintPreviewScale() *
float(fndPageFrame->GetPosition().y));
float(fndPageFrame->GetPosition().y - deadSpaceGap));
scrollableView->ScrollTo(0, newYPosn, PR_TRUE);
}
return NS_OK;