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Bug 385058 - "Grey marks (turds, remnants, ghosts) appear on scrollbars" (Redraw whole scrollbar when position changes) [p=mstange@themasta.com (Markus Stange) r+sr=roc a1.9=schrep]

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This commit is contained in:
reed@reedloden.com 2008-02-07 00:56:38 -08:00
parent 2d72a60803
commit 45b98470a1
1 changed files with 2 additions and 8 deletions
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10
layout/xul/base/src/nsSliderFrame.cpp
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@ -658,14 +658,8 @@ nsSliderFrame::CurrentPositionChanged(nsPresContext* aPresContext,
// set the rect
thumbFrame->SetRect(newThumbRect);
// Figure out the union of the rect so we know what to redraw.
// Combine the old and new thumb overflow areas.
nsRect changeRect;
changeRect.UnionRect(thumbFrame->GetOverflowRect() + thumbRect.TopLeft(),
thumbFrame->GetOverflowRect() + newThumbRect.TopLeft());
// redraw just the change
Invalidate(changeRect, aImmediateRedraw);
// Redraw the scrollbar
Invalidate(clientRect, aImmediateRedraw);
if (mScrollbarListener)
mScrollbarListener->PositionChanged(aPresContext, mCurPos, curpospx);