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Bug 1174700 - patch 2 - Convert nsTableFrame::SetColumnDimensions to work with logical-order iteration over the table, so that column coordinates and collapsed borders are correct. r=dholbert

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This commit is contained in:
Jonathan Kew 2015-06-20 21:00:33 +01:00
parent 4a647cac8b
commit 775c0e802c
2 changed files with 50 additions and 34 deletions
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81
layout/tables/nsTableFrame.cpp
View File

@ -1420,49 +1420,63 @@ nsTableFrame::GetLogicalSkipSides(const nsHTMLReflowState* aReflowState) const
}
void
nsTableFrame::SetColumnDimensions(nscoord aHeight, WritingMode aWM,
const LogicalMargin& aBorderPadding)
nsTableFrame::SetColumnDimensions(nscoord aBSize, WritingMode aWM,
const LogicalMargin& aBorderPadding,
nscoord aContainerWidth)
{
nscoord colHeight = aHeight -= aBorderPadding.BStartEnd(aWM) +
GetRowSpacing(-1) +
GetRowSpacing(GetRowCount());
const nscoord colBSize = aBSize - (aBorderPadding.BStartEnd(aWM) +
GetRowSpacing(-1) + GetRowSpacing(GetRowCount()));
int32_t colIdx = 0;
LogicalPoint colGroupOrigin(aWM,
aBorderPadding.IStart(aWM) + GetColSpacing(-1),
aBorderPadding.BStart(aWM) + GetRowSpacing(-1));
nsTableIterator iter(mColGroups);
nsIFrame* colGroupFrame = iter.First();
bool tableIsLTR = StyleVisibility()->mDirection == NS_STYLE_DIRECTION_LTR;
int32_t colX =tableIsLTR ? 0 : std::max(0, GetColCount() - 1);
nscoord cellSpacingX = GetColSpacing(colX);
int32_t tableColIncr = tableIsLTR ? 1 : -1;
nsPoint colGroupOrigin(aBorderPadding.IStart(aWM) + GetColSpacing(-1),
aBorderPadding.BStart(aWM) + GetRowSpacing(-1));
while (colGroupFrame) {
for (nsIFrame* colGroupFrame = iter.First(); colGroupFrame;
colGroupFrame = iter.Next()) {
MOZ_ASSERT(colGroupFrame->GetType() == nsGkAtoms::tableColGroupFrame);
nscoord colGroupWidth = 0;
// first we need to figure out the size of the colgroup
int32_t groupFirstCol = colIdx;
nscoord colGroupISize = 0;
nscoord cellSpacingI = 0;
nsTableIterator iterCol(*colGroupFrame);
nsIFrame* colFrame = iterCol.First();
nsPoint colOrigin(0,0);
while (colFrame) {
for (nsIFrame* colFrame = iterCol.First(); colFrame;
colFrame = iterCol.Next()) {
if (NS_STYLE_DISPLAY_TABLE_COLUMN ==
colFrame->StyleDisplay()->mDisplay) {
NS_ASSERTION(colX < GetColCount(), "invalid number of columns");
nscoord colWidth = GetColumnISize(colX);
nsRect colRect(colOrigin.x, colOrigin.y, colWidth, colHeight);
colFrame->SetRect(colRect);
cellSpacingX = GetColSpacing(colX);
colOrigin.x += colWidth + cellSpacingX;
colGroupWidth += colWidth + cellSpacingX;
colX += tableColIncr;
NS_ASSERTION(colIdx < GetColCount(), "invalid number of columns");
cellSpacingI = GetColSpacing(colIdx);
colGroupISize += GetColumnISize(colIdx) + cellSpacingI;
++colIdx;
}
colFrame = iterCol.Next();
}
if (colGroupWidth) {
colGroupWidth -= cellSpacingX;
if (colGroupISize) {
colGroupISize -= cellSpacingI;
}
nsRect colGroupRect(colGroupOrigin.x, colGroupOrigin.y, colGroupWidth, colHeight);
colGroupFrame->SetRect(colGroupRect);
colGroupFrame = iter.Next();
colGroupOrigin.x += colGroupWidth + cellSpacingX;
LogicalRect colGroupRect(aWM, colGroupOrigin.I(aWM), colGroupOrigin.B(aWM),
colGroupISize, colBSize);
colGroupFrame->SetRect(aWM, colGroupRect, aContainerWidth);
nscoord colGroupWidth = colGroupFrame->GetSize().width;
// then we can place the columns correctly within the group
colIdx = groupFirstCol;
LogicalPoint colOrigin(aWM);
for (nsIFrame* colFrame = iterCol.First(); colFrame;
colFrame = iterCol.Next()) {
if (NS_STYLE_DISPLAY_TABLE_COLUMN ==
colFrame->StyleDisplay()->mDisplay) {
nscoord colISize = GetColumnISize(colIdx);
LogicalRect colRect(aWM, colOrigin.I(aWM), colOrigin.B(aWM),
colISize, colBSize);
colFrame->SetRect(aWM, colRect, colGroupWidth);
cellSpacingI = GetColSpacing(colIdx);
colOrigin.I(aWM) += colISize + cellSpacingI;
++colIdx;
}
}
colGroupOrigin.I(aWM) += colGroupISize + cellSpacingI;
}
}
@ -1906,7 +1920,8 @@ nsTableFrame::Reflow(nsPresContext* aPresContext,
}
LogicalMargin borderPadding = GetChildAreaOffset(wm, &aReflowState);
SetColumnDimensions(aDesiredSize.Height(), wm, borderPadding);
SetColumnDimensions(aDesiredSize.Height(), wm, borderPadding,
aDesiredSize.Width());
if (NeedToCollapse() &&
(NS_UNCONSTRAINEDSIZE != aReflowState.AvailableWidth())) {
AdjustForCollapsingRowsCols(aDesiredSize, wm, borderPadding);

3
layout/tables/nsTableFrame.h
View File

@ -810,7 +810,8 @@ protected:
void ExpandBCDamageArea(mozilla::TableArea& aRect) const;
void SetColumnDimensions(nscoord aHeight, WritingMode aWM,
const LogicalMargin& aBorderPadding);
const LogicalMargin& aBorderPadding,
nscoord aContainerWidth);
int32_t CollectRows(nsIFrame* aFrame,
nsTArray<nsTableRowFrame*>& aCollection);