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favour expandables over non-expandables for shrinking scenario

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if grid contents change their mind and want to be bigger than
available space, then somethings got to give, prefer expandables
as shrinkables too

Change-Id: Iefd87adb722548c11df04f194cf6d6e17665289a
This commit is contained in:
Caolán McNamara 2012-11-13 09:44:35 +00:00
parent 19f4ebd8a5
commit 1e1bcd008e
1 changed files with 26 additions and 20 deletions
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46
vcl/source/window/layout.cxx
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@ -729,24 +729,27 @@ void VclGrid::setAllocation(const Size& rAllocation)
for (sal_Int32 x = 0; x < nMaxX; ++x)
aWidths[x].m_nValue = nAvailableWidth/nMaxX;
}
else
else if (rAllocation.Width() != aRequisition.Width())
{
long nExtraWidth = 0;
sal_Int32 nExpandables = 0;
for (sal_Int32 x = 0; x < nMaxX; ++x)
if (aWidths[x].m_bExpand)
++nExpandables;
long nExtraWidthForExpanders = nExpandables ? (rAllocation.Width() - aRequisition.Width()) / nExpandables : 0;
if (rAllocation.Width() < aRequisition.Width())
nExtraWidth = (rAllocation.Width() - aRequisition.Width()) / nMaxX;
else
{
sal_Int32 nExpandables = 0;
long nExtraWidth = (rAllocation.Width() - aRequisition.Width() - nExtraWidthForExpanders * nExpandables) / nMaxX;
for (sal_Int32 x = 0; x < nMaxX; ++x)
if (aWidths[x].m_bExpand)
++nExpandables;
nExtraWidth = nExpandables ? (rAllocation.Width() - aRequisition.Width()) / nExpandables : 0;
aWidths[x].m_nValue += nExtraWidth;
}
if (nExtraWidth)
if (nExtraWidthForExpanders)
{
for (sal_Int32 x = 0; x < nMaxX; ++x)
if (aWidths[x].m_bExpand)
aWidths[x].m_nValue += nExtraWidth;
aWidths[x].m_nValue += nExtraWidthForExpanders;
}
}
@ -756,24 +759,27 @@ void VclGrid::setAllocation(const Size& rAllocation)
for (sal_Int32 y = 0; y < nMaxY; ++y)
aHeights[y].m_nValue = nAvailableHeight/nMaxY;
}
else
else if (rAllocation.Height() != aRequisition.Height())
{
long nExtraHeight = 0;
sal_Int32 nExpandables = 0;
for (sal_Int32 y = 0; y < nMaxY; ++y)
if (aHeights[y].m_bExpand)
++nExpandables;
long nExtraHeightForExpanders = nExpandables ? (rAllocation.Height() - aRequisition.Height()) / nExpandables : 0;
if (rAllocation.Height() < aRequisition.Height())
nExtraHeight = (rAllocation.Height() - aRequisition.Height()) / nMaxY;
else
{
sal_Int32 nExpandables = 0;
long nExtraHeight = (rAllocation.Height() - aRequisition.Height() - nExtraHeightForExpanders * nExpandables) / nMaxY;
for (sal_Int32 y = 0; y < nMaxY; ++y)
if (aHeights[y].m_bExpand)
++nExpandables;
nExtraHeight = nExpandables ? (rAllocation.Height() - aRequisition.Height()) / nExpandables : 0;
aHeights[y].m_nValue += nExtraHeight;
}
if (nExtraHeight)
if (nExtraHeightForExpanders)
{
for (sal_Int32 y = 0; y < nMaxY; ++y)
if (aHeights[y].m_bExpand)
aHeights[y].m_nValue += nExtraHeight;
aHeights[y].m_nValue += nExtraHeightForExpanders;
}
}