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bug 66804 - return correct desired height when splitting row group. sr=waterson, r=bernd.mielke@snafu.de.

This commit is contained in:
karnaze%netscape.com 2001-04-17 14:39:54 +00:00
Родитель 0de6828f7e
Коммит eb59bf3e2f
4 изменённых файлов: 36 добавлений и 28 удалений
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5
layout/html/table/src/nsTableFrame.cpp
Просмотреть файл

@ -1802,7 +1802,10 @@ NS_METHOD nsTableFrame::Reflow(nsIPresContext* aPresContext,
break;
case eReflowReason_Resize:
// do the resize reflow below
NS_ASSERTION(HadInitialReflow(), "intial reflow not called");
if (!HadInitialReflow()) {
// NS_ASSERTION(HadInitialReflow(), "intial reflow not called");
nextReason = eReflowReason_Initial;
}
NS_ASSERTION(NS_UNCONSTRAINEDSIZE != aReflowState.availableWidth, "this doesn't do anything");
SetNeedStrategyBalance(PR_TRUE);
break;

27
layout/html/table/src/nsTableRowGroupFrame.cpp
Просмотреть файл

@ -898,6 +898,7 @@ nsTableRowGroupFrame::SplitRowGroup(nsIPresContext* aPresContext,
nsReflowStatus& aStatus)
{
nsIFrame* prevRowFrame = nsnull;
aDesiredSize.height = 0;
nsresult rv = NS_OK;
// get the style set
@ -911,14 +912,13 @@ nsTableRowGroupFrame::SplitRowGroup(nsIPresContext* aPresContext,
float p2t;
aPresContext->GetPixelsToTwips(&p2t);
nscoord heightTaken = 0;
nscoord availWidth = nsTableFrame::RoundToPixel(aReflowState.availableWidth, p2t);
nscoord availHeight = nsTableFrame::RoundToPixel(aReflowState.availableHeight, p2t);
nscoord lastDesiredHeight = 0;
// Walk each of the row frames looking for the first row frame that
// doesn't fit in the available space
for (nsIFrame* rowFrame = GetFirstFrame(); rowFrame; GetNextFrame(rowFrame, &rowFrame)) {
PRInt32 rowEndY = 0;
PRBool rowIsOnCurrentPage = PR_TRUE;
PRBool degenerateRow = PR_FALSE;
nsRect bounds;
@ -931,7 +931,7 @@ nsTableRowGroupFrame::SplitRowGroup(nsIPresContext* aPresContext,
nscoord pageHeight = actualRect.height;
// reflow the row in the availabe space and have it split if it is the 1st
// row or there is at least 20% of the current page available
if (!prevRowFrame || (availHeight - heightTaken > pageHeight / 5)) {
if (!prevRowFrame || (availHeight - aDesiredSize.height > pageHeight / 5)) {
// Reflow the row in the available space and have it split
nsSize availSize(availWidth, availHeight - bounds.y);
nsHTMLReflowState rowReflowState(aPresContext, aReflowState, rowFrame,
@ -947,18 +947,19 @@ nsTableRowGroupFrame::SplitRowGroup(nsIPresContext* aPresContext,
if (NS_FRAME_IS_NOT_COMPLETE(aStatus)) {
// the row frame is incomplete and all of the cells' block frames have split
CreateContinuingRowFrame(*aPresContext, *styleSet.get(), *rowFrame, &contRowFrame);
rowEndY = PR_MIN(rowEndY, heightTaken + aTableFrame->GetCellSpacingY() + desiredSize.height);
aDesiredSize.height += aTableFrame->GetCellSpacingY() + desiredSize.height;
}
else if (0 == desiredSize.height) {
// the row frame is complete because it had no cells originating in it.
CreateContinuingRowFrame(*aPresContext, *styleSet.get(), *rowFrame, &contRowFrame);
aStatus = NS_FRAME_NOT_COMPLETE;
aDesiredSize.height = availHeight;
degenerateRow = PR_TRUE;
}
else {
// the row frame is complete because it's minimum height was greater than the
// the available height we gave it
if (heightTaken > 0) {
if (aDesiredSize.height > 0) {
// put the row on the next page since it needs more height than it was given
rowIsOnCurrentPage = PR_FALSE;
}
@ -972,7 +973,7 @@ nsTableRowGroupFrame::SplitRowGroup(nsIPresContext* aPresContext,
PushChildren(aPresContext, nextRowFrame, rowFrame);
}
aStatus = nextRowFrame ? NS_FRAME_NOT_COMPLETE : NS_FRAME_COMPLETE;
rowEndY = bounds.YMost();
aDesiredSize.height = bounds.YMost();
}
}
}
@ -982,23 +983,23 @@ nsTableRowGroupFrame::SplitRowGroup(nsIPresContext* aPresContext,
// Push this row frame and those that follow to the next-in-flow
PushChildren(aPresContext, rowFrame, prevRowFrame);
aStatus = NS_FRAME_NOT_COMPLETE;
rowEndY = bounds.y - aTableFrame->GetCellSpacingY();
}
if (prevRowFrame) {
nscoord tallestCell =
SplitSpanningCells(*aPresContext, aReflowState, *styleSet, *aTableFrame,
*(nsTableRowFrame*)rowFrame, rowEndY, (nsTableRowFrame*)contRowFrame);
*(nsTableRowFrame*)rowFrame, aDesiredSize.height, (nsTableRowFrame*)contRowFrame);
if (degenerateRow) {
rowEndY = PR_MIN(rowEndY, heightTaken + aTableFrame->GetCellSpacingY() + tallestCell);
aDesiredSize.height = lastDesiredHeight + aTableFrame->GetCellSpacingY() + tallestCell;
}
}
aDesiredSize.height = rowEndY;
break;
}
heightTaken = bounds.YMost();
prevRowFrame = rowFrame;
else {
aDesiredSize.height = bounds.YMost();
lastDesiredHeight = aDesiredSize.height;
prevRowFrame = rowFrame;
}
}
return NS_OK;
}

5
layout/tables/nsTableFrame.cpp
Просмотреть файл

@ -1802,7 +1802,10 @@ NS_METHOD nsTableFrame::Reflow(nsIPresContext* aPresContext,
break;
case eReflowReason_Resize:
// do the resize reflow below
NS_ASSERTION(HadInitialReflow(), "intial reflow not called");
if (!HadInitialReflow()) {
// NS_ASSERTION(HadInitialReflow(), "intial reflow not called");
nextReason = eReflowReason_Initial;
}
NS_ASSERTION(NS_UNCONSTRAINEDSIZE != aReflowState.availableWidth, "this doesn't do anything");
SetNeedStrategyBalance(PR_TRUE);
break;

27
layout/tables/nsTableRowGroupFrame.cpp
Просмотреть файл

@ -898,6 +898,7 @@ nsTableRowGroupFrame::SplitRowGroup(nsIPresContext* aPresContext,
nsReflowStatus& aStatus)
{
nsIFrame* prevRowFrame = nsnull;
aDesiredSize.height = 0;
nsresult rv = NS_OK;
// get the style set
@ -911,14 +912,13 @@ nsTableRowGroupFrame::SplitRowGroup(nsIPresContext* aPresContext,
float p2t;
aPresContext->GetPixelsToTwips(&p2t);
nscoord heightTaken = 0;
nscoord availWidth = nsTableFrame::RoundToPixel(aReflowState.availableWidth, p2t);
nscoord availHeight = nsTableFrame::RoundToPixel(aReflowState.availableHeight, p2t);
nscoord lastDesiredHeight = 0;
// Walk each of the row frames looking for the first row frame that
// doesn't fit in the available space
for (nsIFrame* rowFrame = GetFirstFrame(); rowFrame; GetNextFrame(rowFrame, &rowFrame)) {
PRInt32 rowEndY = 0;
PRBool rowIsOnCurrentPage = PR_TRUE;
PRBool degenerateRow = PR_FALSE;
nsRect bounds;
@ -931,7 +931,7 @@ nsTableRowGroupFrame::SplitRowGroup(nsIPresContext* aPresContext,
nscoord pageHeight = actualRect.height;
// reflow the row in the availabe space and have it split if it is the 1st
// row or there is at least 20% of the current page available
if (!prevRowFrame || (availHeight - heightTaken > pageHeight / 5)) {
if (!prevRowFrame || (availHeight - aDesiredSize.height > pageHeight / 5)) {
// Reflow the row in the available space and have it split
nsSize availSize(availWidth, availHeight - bounds.y);
nsHTMLReflowState rowReflowState(aPresContext, aReflowState, rowFrame,
@ -947,18 +947,19 @@ nsTableRowGroupFrame::SplitRowGroup(nsIPresContext* aPresContext,
if (NS_FRAME_IS_NOT_COMPLETE(aStatus)) {
// the row frame is incomplete and all of the cells' block frames have split
CreateContinuingRowFrame(*aPresContext, *styleSet.get(), *rowFrame, &contRowFrame);
rowEndY = PR_MIN(rowEndY, heightTaken + aTableFrame->GetCellSpacingY() + desiredSize.height);
aDesiredSize.height += aTableFrame->GetCellSpacingY() + desiredSize.height;
}
else if (0 == desiredSize.height) {
// the row frame is complete because it had no cells originating in it.
CreateContinuingRowFrame(*aPresContext, *styleSet.get(), *rowFrame, &contRowFrame);
aStatus = NS_FRAME_NOT_COMPLETE;
aDesiredSize.height = availHeight;
degenerateRow = PR_TRUE;
}
else {
// the row frame is complete because it's minimum height was greater than the
// the available height we gave it
if (heightTaken > 0) {
if (aDesiredSize.height > 0) {
// put the row on the next page since it needs more height than it was given
rowIsOnCurrentPage = PR_FALSE;
}
@ -972,7 +973,7 @@ nsTableRowGroupFrame::SplitRowGroup(nsIPresContext* aPresContext,
PushChildren(aPresContext, nextRowFrame, rowFrame);
}
aStatus = nextRowFrame ? NS_FRAME_NOT_COMPLETE : NS_FRAME_COMPLETE;
rowEndY = bounds.YMost();
aDesiredSize.height = bounds.YMost();
}
}
}
@ -982,23 +983,23 @@ nsTableRowGroupFrame::SplitRowGroup(nsIPresContext* aPresContext,
// Push this row frame and those that follow to the next-in-flow
PushChildren(aPresContext, rowFrame, prevRowFrame);
aStatus = NS_FRAME_NOT_COMPLETE;
rowEndY = bounds.y - aTableFrame->GetCellSpacingY();
}
if (prevRowFrame) {
nscoord tallestCell =
SplitSpanningCells(*aPresContext, aReflowState, *styleSet, *aTableFrame,
*(nsTableRowFrame*)rowFrame, rowEndY, (nsTableRowFrame*)contRowFrame);
*(nsTableRowFrame*)rowFrame, aDesiredSize.height, (nsTableRowFrame*)contRowFrame);
if (degenerateRow) {
rowEndY = PR_MIN(rowEndY, heightTaken + aTableFrame->GetCellSpacingY() + tallestCell);
aDesiredSize.height = lastDesiredHeight + aTableFrame->GetCellSpacingY() + tallestCell;
}
}
aDesiredSize.height = rowEndY;
break;
}
heightTaken = bounds.YMost();
prevRowFrame = rowFrame;
else {
aDesiredSize.height = bounds.YMost();
lastDesiredHeight = aDesiredSize.height;
prevRowFrame = rowFrame;
}
}
return NS_OK;
}