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bug 458924 - activate the DidResizeColumns mechanism when column widths changes in fixed layout. r/sr=dbaron

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This commit is contained in:
Bernd 2008-11-27 18:23:52 -08:00
parent 21b290f70d
commit bc86ffbed0
1 changed files with 21 additions and 0 deletions
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21
layout/tables/FixedTableLayoutStrategy.cpp
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@ -188,6 +188,14 @@ FixedTableLayoutStrategy::ComputeColumnWidths(const nsHTMLReflowState& aReflowSt
// border-spacing isn't part of the basis for percentages.
tableWidth -= spacing * (colCount + 1);
// store the old column widths. We might call multiple times SetFinalWidth
// on the columns, due to this we can't compare at the last call that the
// width has changed with the respect to the last call to
// ComputeColumnWidths. In order to overcome this we store the old values
// in this array. A single call to SetFinalWidth would make it possible to
// call GetFinalWidth before and to compare when setting the final width.
nsTArray<nscoord> oldColWidths;
// XXX This ignores the 'min-width' and 'max-width' properties
// throughout. Then again, that's what the CSS spec says to do.
@ -210,9 +218,11 @@ FixedTableLayoutStrategy::ComputeColumnWidths(const nsHTMLReflowState& aReflowSt
for (PRInt32 col = 0; col < colCount; ++col) {
nsTableColFrame *colFrame = mTableFrame->GetColFrame(col);
if (!colFrame) {
oldColWidths.AppendElement(0);
NS_ERROR("column frames out of sync with cell map");
continue;
}
oldColWidths.AppendElement(colFrame->GetFinalWidth());
colFrame->ResetPrefPercent();
const nsStyleCoord *styleWidth =
&colFrame->GetStylePosition()->mWidth;
@ -404,4 +414,15 @@ FixedTableLayoutStrategy::ComputeColumnWidths(const nsHTMLReflowState& aReflowSt
}
}
}
for (PRInt32 col = 0; col < colCount; ++col) {
nsTableColFrame *colFrame = mTableFrame->GetColFrame(col);
if (!colFrame) {
NS_ERROR("column frames out of sync with cell map");
continue;
}
if (oldColWidths.ElementAt(col) != colFrame->GetFinalWidth()) {
mTableFrame->DidResizeColumns();
}
break;
}
}