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Added new member functions

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git-svn-id: svn://10.0.0.236/trunk@1478 18797224-902f-48f8-a5cc-f745e15eee43
This commit is contained in:
troy
1998-05-12 23:02:02 +00:00
parent 1fe962d622
commit 5d0ec492ca
4 changed files with 94 additions and 12 deletions
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38
mozilla/layout/generic/nsSpaceManager.cpp
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@@ -203,6 +203,7 @@ PRInt32 SpaceManager::GetBandData(nscoord aYOffset,
}
}
NS_POSTCONDITION(aBandData.count > 0, "unexpected band data count");
return aBandData.count;
}
@@ -493,8 +494,10 @@ void SpaceManager::AddRectToBand(nsBandRect* aBand,
// | R |
// +-----+
//
void SpaceManager::AddRectRegion(const nsRect& aUnavailableSpace, nsIFrame* aFrame)
PRBool SpaceManager::AddRectRegion(nsIFrame* aFrame, const nsRect& aUnavailableSpace)
{
NS_PRECONDITION(nsnull != aFrame, "null frame");
// Convert from local to world coordinates
nsRect rect(aUnavailableSpace.x + mX, aUnavailableSpace.y + mY,
aUnavailableSpace.width, aUnavailableSpace.height);
@@ -504,7 +507,7 @@ void SpaceManager::AddRectRegion(const nsRect& aUnavailableSpace, nsIFrame* aFra
if ((0 == mRectArray.mCount) || (rect.y >= mRectArray.YMost())) {
// Append a new bottommost band
mRectArray.Append(rect, aFrame);
return;
return PR_TRUE;
}
// Examine each band looking for a band that intersects this rect
@@ -590,6 +593,37 @@ void SpaceManager::AddRectRegion(const nsRect& aUnavailableSpace, nsIFrame* aFra
}
}
}
return PR_TRUE;
}
PRBool SpaceManager::ReshapeRectRegion(nsIFrame* aFrame, const nsRect& aUnavailableSpace)
{
NS_NOTYETIMPLEMENTED("offseting a region");
return PR_FALSE;
}
PRBool SpaceManager::OffsetRegion(nsIFrame* aFrame, nscoord dx, nscoord dy)
{
NS_NOTYETIMPLEMENTED("offseting a region");
return PR_FALSE;
}
PRBool SpaceManager::RemoveRegion(nsIFrame* aFrame)
{
PRBool result = PR_FALSE;
// Walk the list of rects and remove those tagged with aFrame.
// XXX We need to properly handle overlapped rects
for (PRInt32 i = 0; i < mRectArray.mCount; i++) {
if (mRectArray.mRects[i].frame == aFrame) {
mRectArray.RemoveAt(i);
result = PR_TRUE;
}
}
// XXX We should try and coalesce adjacent bands...
return result;
}
void SpaceManager::ClearRegions()