Reset the hadOverflow flag at the beginning of the algorithm

Summary:
This fixes the case where we change the layout, so that it doesn't overflow anymore.

This also improves the readability by using `|=` instead of referencing the value twice.
Closes https://github.com/facebook/yoga/pull/587

Differential Revision: D5388657

Pulled By: emilsjolander

fbshipit-source-id: ce1b1ded1feed7314a2c16bf695f62b866c19ea0
This commit is contained in:
Lukas Wöhrl 2017-07-10 11:49:21 -07:00 committed by Facebook Github Bot
parent dec62ffc3e
commit 5da0a9909e
1 changed files with 5 additions and 2 deletions

View File

@ -2041,6 +2041,9 @@ static void YGNodelayoutImpl(const YGNodeRef node,
return;
}
// Reset layout flags, as they could have changed.
node->layout.hadOverflow = false;
// STEP 1: CALCULATE VALUES FOR REMAINDER OF ALGORITHM
const YGFlexDirection mainAxis = YGResolveFlexDirection(node->style.flexDirection, direction);
const YGFlexDirection crossAxis = YGFlexDirectionCross(mainAxis, direction);
@ -2577,14 +2580,14 @@ static void YGNodelayoutImpl(const YGNodeRef node,
performLayout && !requiresStretchLayout,
"flex",
config);
node->layout.hadOverflow = node->layout.hadOverflow || currentRelativeChild->layout.hadOverflow;
node->layout.hadOverflow |= currentRelativeChild->layout.hadOverflow;
currentRelativeChild = currentRelativeChild->nextChild;
}
}
remainingFreeSpace = originalRemainingFreeSpace + deltaFreeSpace;
node->layout.hadOverflow = node->layout.hadOverflow || (remainingFreeSpace < 0);
node->layout.hadOverflow |= (remainingFreeSpace < 0);
// STEP 6: MAIN-AXIS JUSTIFICATION & CROSS-AXIS SIZE DETERMINATION