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Bug 1106083 - Record the new containerWidth on lines when finalizing their placement in vertical-rl mode, so that they maintain their proper positioning during subsequent block-dir resize reflows. r=smontagu

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This commit is contained in:
Jonathan Kew 2014-11-29 19:24:10 +00:00
parent 4828cf4930
commit e38b6ceb9d
1 changed files with 4 additions and 2 deletions
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6
layout/generic/nsBlockFrame.cpp
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@ -1248,12 +1248,14 @@ nsBlockFrame::Reflow(nsPresContext* aPresContext,
// therefore block-dir coordinate conversion depends on knowing the width
// of the coordinate space in order to translate between the logical and
// physical origins.
if (wm.GetBlockDir() == WritingMode::BlockDir::eBlockRL) {
nscoord deltaX = aMetrics.Width() - state.mContainerWidth;
if (wm.IsVerticalRL()) {
nscoord containerWidth = aMetrics.Width();
nscoord deltaX = containerWidth - state.mContainerWidth;
if (deltaX) {
for (line_iterator line = begin_lines(), end = end_lines();
line != end; line++) {
SlideLine(state, line, -deltaX);
line->mContainerWidth = containerWidth;
}
for (nsIFrame* f = mFloats.FirstChild(); f; f = f->GetNextSibling()) {
nsPoint physicalDelta(deltaX, 0);