protected override bool hitTestChildren(BoxHitTestResult result, Offset position = null)
{
D.assert(_children.Count == rows * columns);
for (int index = _children.Count - 1; index >= 0; index--)
{
RenderBox child = _children[index];
if (child != null)
{
BoxParentData childParentData = (BoxParentData)child.parentData;
bool isHit = result.addWithPaintOffset(
offset: childParentData.offset,
position: position,
hitTest: (BoxHitTestResult resultIn, Offset transformed) => {
D.assert(transformed == position - childParentData.offset);
return(child.hitTest(resultIn, position: transformed));
}
);
if (isHit)
{
return(true);
}
}
}
return(false);
}
protected override bool hitTestChildren(BoxHitTestResult result, Offset position = null)
{
RenderBox child = _lastOnstageChild;
for (int i = 0; i < _onstageChildCount; i++)
{
D.assert(child != null);
StackParentData childParentData = child.parentData as StackParentData;
bool isHit = result.addWithPaintOffset(
offset: childParentData.offset,
position: position,
hitTest: (BoxHitTestResult resultIn, Offset transformed) => {
D.assert(transformed == position - childParentData.offset);
return(child.hitTest(resultIn, position: transformed));
}
);
if (isHit)
{
return(true);
}
child = childParentData.previousSibling;
}
return(false);
}
protected override bool hitTestChildren(BoxHitTestResult result, Offset position = null)
{
RenderBox child = lastChild;
while (child != null)
{
_ToolbarParentData childParentData = child.parentData as _ToolbarParentData;
if (!childParentData.shouldPaint)
{
child = childParentData.previousSibling;
continue;
}
bool isHit = result.addWithPaintOffset(
offset: childParentData.offset,
position: position,
hitTest: (BoxHitTestResult boxResult, Offset boxTransformed) => {
D.assert(boxTransformed == position - childParentData.offset);
return(child.hitTest(boxResult, position: boxTransformed));
}
);
if (isHit)
{
return(true);
}
child = childParentData.previousSibling;
}
return(false);
}
protected override bool hitTestChildren(BoxHitTestResult result, Offset position)
{
D.assert(position != null);
RenderBox child = lastChild;
while (child != null)
{
_SlidingSegmentedControlContainerBoxParentData childParentData =
child.parentData as _SlidingSegmentedControlContainerBoxParentData;
if ((childParentData.offset & child.size).contains(position))
{
Offset center = (Offset.zero & child.size).center;
return(result.addWithRawTransform(
transform: MatrixUtils.forceToPoint(center),
position: center,
hitTest: (BoxHitTestResult result1, Offset position1) => {
D.assert(position1 == center);
return child.hitTest(result1, position: center);
}
));
}
child = childParentData.previousSibling;
}
return(false);
}
protected override bool hitTestChildren(BoxHitTestResult result, Offset position = null)
{
if (_foregroundPainter != null && ((_foregroundPainter.hitTest(position)) ?? false))
{
return(true);
}
return(base.hitTestChildren(result, position: position));
}
protected override bool hitTestChildren(BoxHitTestResult result, Offset position = null)
{
if (child != null)
{
return(child.hitTest(result, position));
}
return(false);
}
protected override bool hitTestChildren(BoxHitTestResult result, Offset position = null)
{
_ToolbarParentData childParentData = child.parentData as _ToolbarParentData;
return(result.addWithPaintOffset(
offset: childParentData.offset,
position: position,
hitTest: (BoxHitTestResult boxResult, Offset boxTransformed) => {
D.assert(boxTransformed == position - childParentData.offset);
return child.hitTest(boxResult, position: boxTransformed);
}
));
}
protected override bool hitTestChildren(BoxHitTestResult result, Offset position = null)
{
if (this.child != null)
{
return(result.addWithPaintOffset(
offset: this._paintOffset,
position: position,
hitTest: (BoxHitTestResult resultIn, Offset transformed) => {
D.assert(transformed == position + (-this._paintOffset));
return this.child.hitTest(result, position: transformed);
}
));
}
return(false);
}
public static bool hitTestBoxChild(
this RenderSliver it,
BoxHitTestResult result,
RenderBox child,
float mainAxisPosition = 0.0f,
float crossAxisPosition = 0.0f)
{
bool rightWayUp = _getRightWayUp(it.constraints);
float? delta = it.childMainAxisPosition(child);
float? crossAxisDelta = it.childCrossAxisPosition(child);
float? absolutePosition = mainAxisPosition - delta;
float? absoluteCrossAxisPosition = crossAxisPosition - crossAxisDelta;
Offset paintOffset = null;
Offset transformedPosition = null;
switch (it.constraints.axis)
{
case Axis.horizontal:
if (!rightWayUp)
{
absolutePosition = child.size.width - absolutePosition;
delta = it.geometry.paintExtent - child.size.width - delta;
}
paintOffset = new Offset(delta ?? 0.0f, crossAxisDelta ?? 0.0f);
transformedPosition = new Offset(absolutePosition ?? 0.0f, absoluteCrossAxisPosition ?? 0.0f);
break;
case Axis.vertical:
if (!rightWayUp)
{
absolutePosition = child.size.height - absolutePosition;
delta = it.geometry.paintExtent - child.size.height - delta;
}
paintOffset = new Offset(crossAxisDelta ?? 0.0f, delta ?? 0.0f);
transformedPosition = new Offset(absoluteCrossAxisPosition ?? 0.0f, absolutePosition ?? 0.0f);
break;
}
D.assert(paintOffset != null);
D.assert(transformedPosition != null);
return(result.addWithPaintOffset(
offset: paintOffset,
position: null, // Manually adapting from sliver to box position above.
hitTest: (BoxHitTestResult boxHitTestResult, Offset _) => {
return child.hitTest(boxHitTestResult, position: transformedPosition);
}
));
}
protected override bool hitTestChildren(BoxHitTestResult result, Offset position = null)
{
if (this.child != null)
{
var childParentData = (BoxParentData)this.child.parentData;
return(result.addWithPaintOffset(
offset: childParentData.offset,
position: position,
hitTest: (BoxHitTestResult resultIn, Offset transformed) => {
D.assert(transformed == position - childParentData.offset);
return this.child.hitTest(resultIn, position: transformed);
}
));
}
return(false);
}
protected override bool hitTestChildren(SliverHitTestResult result, float mainAxisPosition = 0.0f,
float crossAxisPosition = 0.0f)
{
RenderBox child = this.lastChild;
BoxHitTestResult boxResult = new BoxHitTestResult(result);
while (child != null)
{
if (this.hitTestBoxChild(boxResult, child, mainAxisPosition: mainAxisPosition,
crossAxisPosition: crossAxisPosition))
{
return(true);
}
child = this.childBefore(child);
}
return(false);
}
protected override bool hitTestChildren(
BoxHitTestResult result,
Offset position = null
)
{
D.assert(_paintTransform != null || debugNeedsLayout || child == null);
if (child == null || _paintTransform == null)
{
return(false);
}
return(result.addWithPaintTransform(
transform: _paintTransform,
position: position,
hitTest: (BoxHitTestResult resultIn, Offset positionIn) => {
return child.hitTest(resultIn, position: positionIn);
}
));
}
protected override bool hitTestChildren(BoxHitTestResult result, Offset position = null)
{
if (firstChild == null)
{
return(false);
}
D.assert(position != null);
RenderBox child = _childAtIndex();
StackParentData childParentData = (StackParentData)child.parentData;
return(result.addWithPaintOffset(
offset: childParentData.offset,
position: position,
hitTest: (BoxHitTestResult resultIn, Offset transformed) => {
D.assert(transformed == position - childParentData.offset);
return child.hitTest(resultIn, position: transformed);
}
));
}
protected override bool hitTestChildren(BoxHitTestResult result, Offset position = null)
{
MultiChildLayoutParentData contentSectionParentData =
contentSection.parentData as MultiChildLayoutParentData;
MultiChildLayoutParentData actionsSectionParentData =
actionsSection.parentData as MultiChildLayoutParentData;
return(result.addWithPaintOffset(
offset: contentSectionParentData.offset,
position: position,
hitTest: (BoxHitTestResult resultIn, Offset transformed) => {
D.assert(transformed == position - contentSectionParentData.offset);
return contentSection.hitTest(resultIn, position: transformed);
}) || result.addWithPaintOffset(
offset: actionsSectionParentData.offset,
position: position,
hitTest: (BoxHitTestResult resultIn, Offset transformed) => {
D.assert(transformed == position - actionsSectionParentData.offset);
return actionsSection.hitTest(resultIn, position: transformed);
}
));
}
protected override bool hitTestChildren(BoxHitTestResult result, Offset position)
{
D.assert(position != null);
foreach (RenderBox child in _children)
{
BoxParentData parentData = child.parentData as BoxParentData;
bool isHit = result.addWithPaintOffset(
offset: parentData.offset,
position: position,
hitTest: (BoxHitTestResult resultIn, Offset transformed) => {
D.assert(transformed == position - parentData.offset);
return(child.hitTest(resultIn, position: transformed));
}
);
if (isHit)
{
return(true);
}
}
return(false);
}
public override bool hitTest(BoxHitTestResult result, Offset position = null)
{
if (base.hitTest(result, position: position))
{
return(true);
}
Offset center = child.size.center(Offset.zero);
return(result.addWithRawTransform(
transform: MatrixUtils.forceToPoint(center),
position: center,
hitTest: (BoxHitTestResult boxHitTest, Offset offsetPosition) => {
D.assert(offsetPosition == center);
//WARNING: inconsistent with flutter (zxw): I believe that there is a bug here in flutter
//in flutter, the following line is "return child.hitTest(boxHitTest, position: center); ". This is nonsense since it will always return true regardless of the value of the input parameter: position.
//we have tested a bit in flutter and found that, since an inputPadding has a Semantics as it parent which shares the same size, the Semantics's hitTest can hide this bug in flutter
//Therefore this bug only occurs in UIWidgets
//We are not very clear whether this is the best fix though. Please feel free to optimize it
return child.hitTest(boxHitTest, position: position);
}
));
}
public bool defaultHitTestChildren(BoxHitTestResult result, Offset position)
{
ChildType child = lastChild;
while (child != null)
{
ParentDataType childParentData = child.parentData as ParentDataType;
bool isHit = result.addWithPaintOffset(
offset: childParentData.offset,
position: position,
hitTest: (BoxHitTestResult boxHitTestResult, Offset transformed) => {
D.assert(transformed == position - childParentData.offset);
return(child.hitTest(boxHitTestResult, position: transformed));
}
);
if (isHit)
{
return(true);
}
child = childParentData.previousSibling;
}
return(false);
}
protected override bool hitTestChildren(BoxHitTestResult boxHitTestResult, Offset position = null)
{
RenderBox child = firstChild;
while (child != null)
{
TextParentData textParentData = child.parentData as TextParentData;
Matrix4 transform = Matrix4.translationValues(
textParentData.offset.dx,
textParentData.offset.dy,
0.0f
);
transform.scale(
textParentData.scale,
textParentData.scale,
textParentData.scale
);
bool isHit = boxHitTestResult.addWithPaintTransform(
transform: transform,
position: position,
hitTest: (BoxHitTestResult result, Offset transformed) => {
D.assert(() => {
Offset manualPosition = (position - textParentData.offset) / textParentData.scale;
return((transformed.dx - manualPosition.dx).abs() < foundation_.precisionErrorTolerance &&
(transformed.dy - manualPosition.dy).abs() < foundation_.precisionErrorTolerance);
});
return(child.hitTest(result, position: transformed));
}
);
if (isHit)
{
return(true);
}
child = childAfter(child);
}
return(false);
}
public bool defaultHitTestChildren(BoxHitTestResult result, Offset position)
{
// the x, y parameters have the top left of the node's box as the origin4
ChildType child = this.lastChild;
while (child != null)
{
ParentDataType childParentData = child.parentData as ParentDataType;
bool isHit = result.addWithPaintOffset(
offset: childParentData.offset,
position: position,
hitTest: (BoxHitTestResult boxHitTestResult, Offset transformed) => {
D.assert(transformed == position - childParentData.offset);
return(child.hitTest(boxHitTestResult, position: transformed));
}
);
if (isHit)
{
return(true);
}
child = childParentData.previousSibling;
}
return(false);
}
protected override bool hitTestChildren(BoxHitTestResult result, Offset position = null)
{
return(defaultHitTestChildren(result, position: position));
}
protected override bool hitTestChildren(BoxHitTestResult result, Offset position = null
)
{
return(false);
}
protected override bool hitTestChildren(BoxHitTestResult result, Offset position = null)
{
return(child?.hitTest(result, position: position) ?? false);
}
