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No longer move context sub-menu to left if there's even less space there

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Probably still moving too often to the left - should find some better solution.
But at least some improvement.

git-svn-id: svn://svn.code.sf.net/p/irrlicht/code/trunk@6471 dfc29bdd-3216-0410-991c-e03cc46cb475
This commit is contained in:
cutealien 2023-04-25 13:14:52 +00:00
parent 37d821dcc3
commit e55af78b31
1 changed files with 7 additions and 4 deletions
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11
source/Irrlicht/CGUIContextMenu.cpp
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@ -673,19 +673,22 @@ void CGUIContextMenu::recalculateSize()
if ( root )
{
core::rect<s32> rectRoot( root->getAbsolutePosition() );
core::rect<s32> absRect( getAbsolutePosition() );
// if it would be drawn beyond the right border, then add it to the left side
if ( getAbsolutePosition().UpperLeftCorner.X+subRect.LowerRightCorner.X > rectRoot.LowerRightCorner.X )
// if it would be drawn beyond the right border, then add it to the left side - if there is more space
irr::s32 beyondRight = absRect.UpperLeftCorner.X+subRect.LowerRightCorner.X-rectRoot.LowerRightCorner.X;
irr::s32 beyondLeft = -(absRect.UpperLeftCorner.X - w - rectRoot.UpperLeftCorner.X);
if ( beyondRight > 0 && beyondRight > beyondLeft )
{
subRect.UpperLeftCorner.X = -w;
subRect.LowerRightCorner.X = 0;
}
// if it would be drawn below bottom border, move it up, but not further than to top.
irr::s32 belowBottom = getAbsolutePosition().UpperLeftCorner.Y+subRect.LowerRightCorner.Y - rectRoot.LowerRightCorner.Y;
irr::s32 belowBottom = absRect.UpperLeftCorner.Y+subRect.LowerRightCorner.Y - rectRoot.LowerRightCorner.Y;
if ( belowBottom > 0 )
{
irr::s32 belowTop = getAbsolutePosition().UpperLeftCorner.Y+subRect.UpperLeftCorner.Y;
irr::s32 belowTop = absRect.UpperLeftCorner.Y+subRect.UpperLeftCorner.Y;
irr::s32 moveUp = belowBottom < belowTop ? belowBottom : belowTop;
subRect.UpperLeftCorner.Y -= moveUp;
subRect.LowerRightCorner.Y -= moveUp;