firka/flutter
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defaultHitTestChildren should return whether it hit something

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Some clients want to know whether they hit their children.
This commit is contained in:
Adam Barth 2015-09-03 16:12:25 -07:00
parent 11ee06dd50
commit 5ea4763025
1 changed files with 3 additions and 2 deletions
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5
packages/flutter/lib/src/rendering/box.dart
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@ -519,7 +519,7 @@ abstract class RenderBoxContainerDefaultsMixin<ChildType extends RenderBox, Pare
return result; return result;
} }
void defaultHitTestChildren(HitTestResult result, { Point position }) { bool defaultHitTestChildren(HitTestResult result, { Point position }) {
// the x, y parameters have the top left of the node's box as the origin // the x, y parameters have the top left of the node's box as the origin
ChildType child = lastChild; ChildType child = lastChild;
while (child != null) { while (child != null) {
@ -527,9 +527,10 @@ abstract class RenderBoxContainerDefaultsMixin<ChildType extends RenderBox, Pare
Point transformed = new Point(position.x - child.parentData.position.x, Point transformed = new Point(position.x - child.parentData.position.x,
position.y - child.parentData.position.y); position.y - child.parentData.position.y);
if (child.hitTest(result, position: transformed)) if (child.hitTest(result, position: transformed))
break; return true;
child = child.parentData.previousSibling; child = child.parentData.previousSibling;
} }
return false;
} }
void defaultPaint(PaintingContext context, Offset offset) { void defaultPaint(PaintingContext context, Offset offset) {