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129 行
4.8 KiB

using Unity.UIWidgets.foundation;
using Unity.UIWidgets.painting;
using UnityEngine;
namespace Unity.UIWidgets.widgets {
public class SafeArea : StatelessWidget {
public SafeArea(
Key key = null,
bool left = true,
bool top = true,
bool right = true,
bool bottom = true,
EdgeInsets mininum = null,
Widget child = null,
bool maintainBottomViewPadding = false
) : base(key: key) {
D.assert(child != null);
this.left = left;
this.top = top;
this.right = right;
this.bottom = bottom;
minimum = mininum ?? EdgeInsets.zero;
this.child = child;
this.maintainBottomViewPadding = maintainBottomViewPadding;
}
public readonly bool left;
public readonly bool top;
public readonly bool right;
public readonly bool bottom;
public readonly EdgeInsets minimum;
public readonly Widget child;
public readonly bool maintainBottomViewPadding;
public override Widget build(BuildContext context) {
D.assert(WidgetsD.debugCheckHasMediaQuery(context));
MediaQueryData data = MediaQuery.of(context);
EdgeInsets padding = data.padding;
if (data.padding.bottom == 0.0 && data.viewInsets.bottom != 0.0 && maintainBottomViewPadding)
padding = padding.copyWith(bottom: data.viewPadding.bottom);
return new Padding(
padding: EdgeInsets.only(
left: Mathf.Max(left ? padding.left : 0.0f, minimum.left),
top: Mathf.Max(top ? padding.top : 0.0f, minimum.top),
right: Mathf.Max(right ? padding.right : 0.0f, minimum.right),
bottom: Mathf.Max(bottom ? padding.bottom : 0.0f, minimum.bottom)
),
child: MediaQuery.removePadding(
context: context,
removeLeft: left,
removeTop: top,
removeRight: right,
removeBottom: bottom,
child: child));
}
public override void debugFillProperties(DiagnosticPropertiesBuilder properties) {
base.debugFillProperties(properties);
properties.add(new FlagProperty("left", value: left, ifTrue: "avoid left padding"));
properties.add(new FlagProperty("top", value: top, ifTrue: "avoid top padding"));
properties.add(new FlagProperty("right", value: right, ifTrue: "avoid right padding"));
properties.add(new FlagProperty("bottom", value: bottom, ifTrue: "avoid bottom padding"));
}
}
public class SliverSafeArea : StatelessWidget {
public SliverSafeArea(
Key key = null,
bool left = true,
bool top = true,
bool right = true,
bool bottom = true,
EdgeInsets minimum = null,
Widget sliver = null
) : base(key: key) {
this.left = left;
this.top = top;
this.right = right;
this.bottom = bottom;
this.minimum = minimum ?? EdgeInsets.zero;
this.sliver = sliver;
}
public readonly bool left;
public readonly bool top;
public readonly bool right;
public readonly bool bottom;
public readonly EdgeInsets minimum;
public readonly Widget sliver;
public override Widget build(BuildContext context) {
EdgeInsets padding = MediaQuery.of(context).padding;
return new SliverPadding(
padding: EdgeInsets.only(
left: Mathf.Max(left ? padding.left : 0.0f, minimum.left),
top: Mathf.Max(top ? padding.top : 0.0f, minimum.top),
right: Mathf.Max(right ? padding.right : 0.0f, minimum.right),
bottom: Mathf.Max(bottom ? padding.bottom : 0.0f, minimum.bottom)
),
sliver: MediaQuery.removePadding(
context: context,
removeLeft: left,
removeTop: top,
removeRight: right,
removeBottom: bottom,
child: sliver));
}
public override void debugFillProperties(DiagnosticPropertiesBuilder properties) {
base.debugFillProperties(properties);
properties.add(new FlagProperty("left", value: left, ifTrue: "avoid left padding"));
properties.add(new FlagProperty("top", value: top, ifTrue: "avoid top padding"));
properties.add(new FlagProperty("right", value: right, ifTrue: "avoid right padding"));
properties.add(new FlagProperty("bottom", value: bottom, ifTrue: "avoid bottom padding"));
}
}
}