public override Widget build(BuildContext context)
{
EdgeInsets padding = MediaQuery.of(context).padding;
return(new Padding(
padding: EdgeInsets.only(
left: Math.Max(this.left ? padding.left : 0.0, this.minimum.left),
top: Math.Max(this.top ? padding.top : 0.0, this.minimum.top),
right: Math.Max(this.right ? padding.right : 0.0, this.minimum.right),
bottom: Math.Max(this.bottom ? padding.bottom : 0.0, this.minimum.bottom)
),
child: MediaQuery.removePadding(
context: context,
removeLeft: this.left,
removeTop: this.top,
removeRight: this.right,
removeBottom: this.bottom,
child: this.child)));
}
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)));
}
protected override List <Widget> buildSlivers(BuildContext context)
{
Widget sliver = buildChildLayout(context);
EdgeInsetsGeometry effectivePadding = padding;
if (padding == null)
{
MediaQueryData mediaQuery = MediaQuery.of(context, nullOk: true);
if (mediaQuery != null)
{
EdgeInsets mediaQueryHorizontalPadding =
mediaQuery.padding.copyWith(top: 0.0f, bottom: 0.0f);
EdgeInsets mediaQueryVerticalPadding =
mediaQuery.padding.copyWith(left: 0.0f, right: 0.0f);
effectivePadding = scrollDirection == Axis.vertical
? mediaQueryVerticalPadding
: mediaQueryHorizontalPadding;
sliver = new MediaQuery(
data: mediaQuery.copyWith(
padding: scrollDirection == Axis.vertical
? mediaQueryHorizontalPadding
: mediaQueryVerticalPadding
),
child: sliver
);
}
}
if (effectivePadding != null)
{
sliver = new SliverPadding(padding: effectivePadding, sliver: sliver);
}
return(new List <Widget> {
sliver
});
}
public override Widget build(BuildContext context)
{
FocusScope.of(context).reparentIfNeeded(this.widget.focusNode);
base.build(context); // See AutomaticKeepAliveClientMixin.
return(new Scrollable(
axisDirection: this._isMultiline ? AxisDirection.down : AxisDirection.right,
controller: this._scrollController,
physics: new ClampingScrollPhysics(),
viewportBuilder: (BuildContext _context, ViewportOffset offset) =>
new CompositedTransformTarget(
link: this._layerLink,
child: new _Editable(
key: this._editableKey,
textSpan: this.buildTextSpan(),
value: this._value,
cursorColor: this.widget.cursorColor,
showCursor: this._showCursor,
hasFocus: this._hasFocus,
maxLines: this.widget.maxLines,
selectionColor: this.widget.selectionColor,
textScaleFactor: this.widget.textScaleFactor ?? MediaQuery.textScaleFactorOf(context),
textAlign: this.widget.textAlign,
textDirection: this._textDirection,
obscureText: this.widget.obscureText,
autocorrect: this.widget.autocorrect,
offset: offset,
onSelectionChanged: this._handleSelectionChanged,
onCaretChanged: this._handleCaretChanged,
rendererIgnoresPointer: this.widget.rendererIgnoresPointer,
cursorWidth: this.widget.cursorWidth,
cursorRadius: this.widget.cursorRadius,
enableInteractiveSelection: this.widget.enableInteractiveSelection,
textSelectionDelegate: this
)
)
));
}
public static MediaQueryData of(BuildContext context, bool nullOk = false)
{
D.assert(context != null);
MediaQuery query = (MediaQuery)context.inheritFromWidgetOfExactType(typeof(MediaQuery));
if (query != null)
{
return(query.data);
}
if (nullOk)
{
return(null);
}
throw new UIWidgetsError(
"MediaQuery.of() called with a context that does not contain a MediaQuery.\n" +
"No MediaQuery ancestor could be found starting from the context that was passed " +
"to MediaQuery.of(). This can happen because you do not have a WidgetsApp or " +
"MaterialApp widget (those widgets introduce a MediaQuery), or it can happen " +
"if the context you use comes from a widget above those widgets.\n" +
"The context used was:\n" +
$" {context}");
}
public override Widget build(BuildContext context)
{
Widget navigator = null;
if (this._navigator != null)
{
navigator = new Navigator(
key: this._navigator,
initialRoute: this.widget.initialRoute ?? Navigator.defaultRouteName,
onGenerateRoute: this._onGenerateRoute,
onUnknownRoute: this._onUnknownRoute,
observers: this.widget.navigatorObservers
);
}
Widget result;
if (this.widget.builder != null)
{
result = new Builder(
builder: _context => { return(this.widget.builder(_context, navigator)); }
);
}
else
{
D.assert(navigator != null);
result = navigator;
}
if (this.widget.textStyle != null)
{
result = new DefaultTextStyle(
style: this.widget.textStyle,
child: result
);
}
PerformanceOverlay performanceOverlay = null;
if (this.widget.showPerformanceOverlay)
{
performanceOverlay = PerformanceOverlay.allEnabled();
}
if (performanceOverlay != null)
{
result = new Stack(
children: new List <Widget> {
result,
new Positioned(top: 0.0f,
left: 0.0f,
right: 0.0f,
child: performanceOverlay)
});
}
D.assert(() => {
if (WidgetInspectorService.instance.debugShowInspector)
{
result = new WidgetInspector(null, result, this._InspectorSelectButtonBuilder);
}
return(true);
});
result = new Directionality(child: result, TextDirection.ltr);
result = new WindowProvider(
window: this.widget.window,
child: result
);
Locale appLocale = this.widget.locale != null
? this._resolveLocales(new List <Locale> {
this.widget.locale
}, this.widget.supportedLocales)
: this._locale;
result = new MediaQuery(
data: MediaQueryData.fromWindow(this.widget.window),
child: new Localizations(
locale: appLocale,
delegates: this._localizationsDelegates,
child: result)
);
return(result);
}
void _updateInvertColors()
{
_invertColors = MediaQuery.of(context: context, true)?.invertColors
?? false;
}
