void
nsListBoxBodyFrame::SetRowHeight(nscoord aRowHeight)
{
if (aRowHeight > mRowHeight) {
mRowHeight = aRowHeight;
nsAutoString rows;
mContent->GetAttr(kNameSpaceID_None, nsGkAtoms::rows, rows);
if (rows.IsEmpty())
mContent->GetAttr(kNameSpaceID_None, nsGkAtoms::size, rows);
if (!rows.IsEmpty()) {
PRInt32 dummy;
PRInt32 count = rows.ToInteger(&dummy);
PRInt32 rowHeight = nsPresContext::AppUnitsToIntCSSPixels(aRowHeight);
nsAutoString value;
value.AppendInt(rowHeight*count);
mContent->SetAttr(kNameSpaceID_None, nsGkAtoms::minheight, value, PR_FALSE);
}
// signal we need to dirty everything
// and we want to be notified after reflow
// so we can create or destory rows as needed
mRowHeightWasSet = PR_TRUE;
PostReflowCallback();
}
}
void
nsListBoxBodyFrame::SetRowHeight(nscoord aRowHeight)
{
if (aRowHeight > mRowHeight) {
mRowHeight = aRowHeight;
// signal we need to dirty everything
// and we want to be notified after reflow
// so we can create or destory rows as needed
mRowHeightWasSet = true;
PostReflowCallback();
}
}
NS_IMETHODIMP
nsListBoxBodyFrame::DoLayout(nsBoxLayoutState& aBoxLayoutState)
{
if (mScrolling)
aBoxLayoutState.SetPaintingDisabled(PR_TRUE);
nsresult rv = nsBoxFrame::DoLayout(aBoxLayoutState);
if (mScrolling)
aBoxLayoutState.SetPaintingDisabled(PR_FALSE);
// if we are scrolled and the row height changed
// make sure we are scrolled to a correct index.
if (mAdjustScroll)
PostReflowCallback();
return rv;
}
NS_IMETHODIMP
nsListBoxBodyFrame::DoLayout(nsBoxLayoutState& aBoxLayoutState)
{
if (mScrolling)
aBoxLayoutState.SetPaintingDisabled(true);
nsresult rv = nsBoxFrame::DoLayout(aBoxLayoutState);
// determine the real height for the scrollable area from the total number
// of rows, since non-visible rows don't yet have frames
nsRect rect(nsPoint(0, 0), GetSize());
nsOverflowAreas overflow(rect, rect);
if (mLayoutManager) {
nsIFrame* childFrame = mFrames.FirstChild();
while (childFrame) {
ConsiderChildOverflow(overflow, childFrame);
childFrame = childFrame->GetNextSibling();
}
nsSize prefSize = mLayoutManager->GetPrefSize(this, aBoxLayoutState);
NS_FOR_FRAME_OVERFLOW_TYPES(otype) {
nsRect& o = overflow.Overflow(otype);
o.height = NS_MAX(o.height, prefSize.height);
}
}
FinishAndStoreOverflow(overflow, GetSize());
if (mScrolling)
aBoxLayoutState.SetPaintingDisabled(false);
// if we are scrolled and the row height changed
// make sure we are scrolled to a correct index.
if (mAdjustScroll)
PostReflowCallback();
return rv;
}
