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Merge pull request #52 from Unity-Technologies/upgrade_overlay_widget 

upgrade overlay.cs to 1.17.5
/siyaoH-1.17-PlatformMessage
GitHub 4 年前
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33667968
共有 1 个文件被更改，包括 78 次插入 和 125 次删除
  1. 203
      com.unity.uiwidgets/Runtime/widgets/overlay.cs

203
com.unity.uiwidgets/Runtime/widgets/overlay.cs
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using Unity.UIWidgets.rendering;
using Unity.UIWidgets.scheduler2;
using Unity.UIWidgets.ui;
using UnityEngine;
using Rect = Unity.UIWidgets.ui.Rect;
namespace Unity.UIWidgets.widgets {
public class OverlayEntry {

internal void _markNeedsBuild() {
setState(() => {
/* the state that changed is in the builder */
});
}
}

{
List<OverlayEntry> newEntriesList =
newEntries is List<OverlayEntry> ? (newEntries as List<OverlayEntry>) : newEntries.ToList();
above == null || below == null,
()=>"Only one of `above` and `below` may be specified."
);
above == null || below == null,
() => "Only one of `above` and `below` may be specified."
);
above == null || (above._overlay == this && _entries.Contains(above) && newEntriesList.Contains(above)),
()=>"The entry used for `above` must be in the Overlay and in the `newEntriesList`."
);
above == null || (above._overlay == this && _entries.Contains(above)),
() => "The provided entry for `above` is not present in the Overlay."
);
below == null || (below._overlay == this && _entries.Contains(below) && newEntriesList.Contains(below)),
()=>"The entry used for `below` must be in the Overlay and in the `newEntriesList`."
);
int overlayEntry = 0;
foreach (var newEntry in newEntriesList) {
if (newEntry._overlay == null || newEntry._overlay == this) {
overlayEntry++;
}
}
D.assert(overlayEntry == newEntriesList.Count,
()=>"One or more of the specified entries are already present in another Overlay."
);
int lastoverlayEntry = 0;
foreach (var newEntry in newEntriesList) {
if (_entries.IndexOf(newEntry) == _entries.LastIndexOf(newEntry)) {
lastoverlayEntry++;
}
}
D.assert(lastoverlayEntry == newEntriesList.Count,
()=>"One or more of the specified entries are specified multiple times."
);
below == null || (below._overlay == this && _entries.Contains(below)),
() => "The provided entry for `below` is not present in the Overlay."
);
D.assert(
newEntriesList.All(entry => entry._overlay == null || entry._overlay == this),
() => "One or more of the specified entries are already present in another Overlay."
);
D.assert(
newEntriesList.All(entry => _entries.IndexOf(entry) == _entries.LastIndexOf(entry)),
() => "One or more of the specified entries are specified multiple times."
);
if (newEntriesList.isEmpty()) {
return;
}

public override Widget build(BuildContext context) {
var children = new List<Widget>();
int onstageCount = 0;
int onstageCount = 0;
for (var i = _entries.Count - 1; i >= 0; i -= 1) {
var entry = _entries[i];
if (onstage) {

internal _Theatre(
Key key = null,
int skipCount = 0,
List<Widget> children = null) : base(key, children) {
List<Widget> children = null) : base(key: key, children: children) {
D.assert(skipCount >= 0);
D.assert(children != null);
D.assert(children.Count() >= skipCount);

public readonly int skipCount;
public readonly Stack onstage;
public readonly List<Widget> offstage;
public override Element createElement() {
return new _TheatreElement(this);

}
}
}
class _RenderTheatre :
ContainerRenderObjectMixinRenderProxyBoxMixinRenderObjectWithChildMixinRenderBoxRenderStack<
RenderBox, StackParentData> {
class _RenderTheatre : ContainerRenderObjectMixinRenderBox<RenderBox, StackParentData> {
internal _RenderTheatre(
TextDirection textDirection,
List<RenderBox> children = null,

Alignment _resolvedAlignment;
void _resolve() {
if (_resolvedAlignment != null)
if (_resolvedAlignment != null) {
}
//FIXME: wait for changes on painting/alignment.cs (by Siyao)
//then uncomment the line below and remove the switch clauses
// TODO: AlignmentDirectional
Alignment al = Alignment.topLeft;
switch (textDirection) {
case TextDirection.rtl:
_resolvedAlignment = new Alignment(-1, -1);

public int skipCount {
get { return _skipCount; }
set {
D.assert(value != null);
if (_skipCount != value) {
_skipCount = value;
markNeedsLayout();

get { return childCount - skipCount; }
}
public override void redepthChildren() {
if (child != null) {
redepthChild(child);
}
base.redepthChildren();
}
public override void visitChildren(RenderObjectVisitor visitor) {
if (child != null) {
visitor(child);
}
base.visitChildren(visitor);
}
public override List<DiagnosticsNode> debugDescribeChildren() {
List<DiagnosticsNode> offstageChildren = new List<DiagnosticsNode>();
List<DiagnosticsNode> onstageChildren = new List<DiagnosticsNode>();
int count = 1;
bool onstage = false;
RenderBox child = firstChild;
RenderBox firstOnstageChild = _firstOnstageChild;
while (child != null) {
if (child == firstOnstageChild) {
onstage = true;
count = 1;
}
if (onstage) {
onstageChildren.Add(
child.toDiagnosticsNode(
name: $"onstage {count}"
)
);
} else {
offstageChildren.Add(
child.toDiagnosticsNode(
name: $"offstage {count}",
style: DiagnosticsTreeStyle.offstage
)
);
}
StackParentData childParentData = child.parentData as StackParentData;
child = childParentData.nextSibling;
count += 1;
}
if (offstageChildren.isNotEmpty()) {
foreach (var stagechild in offstageChildren) {
onstageChildren.Add(stagechild);
}
}
else {
onstageChildren.Add(DiagnosticsNode.message(
"no offstage children",
style: DiagnosticsTreeStyle.offstage
));
}
return onstageChildren;
}
protected internal override float computeMinIntrinsicWidth(float height) {
return RenderStack.getIntrinsicDimension(_firstOnstageChild,
(RenderBox child) => child.getMinIntrinsicWidth(height));

if (candidate != null) {
candidate += childParentData.offset.dy;
if (result != null) {
result = Math.Min(result.Value, candidate.Value);
result = Mathf.Min(result.Value, candidate.Value);
}
else {
result = candidate;

_resolve();
D.assert(_resolvedAlignment != null);
// Same BoxConstraints as used by RenderStack for StackFit.expand.
BoxConstraints nonPositionedConstraints = BoxConstraints.tight(constraints.biggest);
RenderBox child = _firstOnstageChild;

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,

}
}
void visitChildrenForSemantics(RenderObjectVisitor visitor) {
RenderBox child = _firstOnstageChild;
while (child != null) {
visitor(child);
StackParentData childParentData = child.parentData as StackParentData;
child = childParentData.nextSibling;
}
}
public override Rect describeApproximatePaintClip(RenderObject child) =>
_hasVisualOverflow ? Offset.zero & size : null;

properties.add(new EnumProperty<TextDirection>("textDirection", textDirection));
}
public override List<DiagnosticsNode> debugDescribeChildren() {
List<DiagnosticsNode> offstageChildren = new List<DiagnosticsNode>();
List<DiagnosticsNode> onstageChildren = new List<DiagnosticsNode>();
int count = 1;
bool onstage = false;
RenderBox child = firstChild;
RenderBox firstOnstageChild = _firstOnstageChild;
while (child != null) {
if (child == firstOnstageChild) {
onstage = true;
count = 1;
}
if (onstage) {
onstageChildren.Add(
child.toDiagnosticsNode(
name: $"onstage {count}"
)
);
} else {
offstageChildren.Add(
child.toDiagnosticsNode(
name: $"offstage {count}",
style: DiagnosticsTreeStyle.offstage
)
);
}
StackParentData childParentData = child.parentData as StackParentData;
child = childParentData.nextSibling;
count += 1;
}
List<DiagnosticsNode> result = new List<DiagnosticsNode>();
result.AddRange(onstageChildren);
if (offstageChildren.isNotEmpty()) {
result.AddRange(offstageChildren);
}
else {
result.Add(DiagnosticsNode.message("no offstage children", style: DiagnosticsTreeStyle.offstage));
}
return result;
}
}
}
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