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Previously layout2.dart was a thousand lines long. R=ianh@google.com Review URL: https://codereview.chromium.org/1161003002
66 lines
2.2 KiB
Dart
66 lines
2.2 KiB
Dart
// Copyright 2015 The Chromium Authors. All rights reserved.
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// Use of this source code is governed by a BSD-style license that can be
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// found in the LICENSE file.
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import 'dart:sky';
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import 'package:sky/framework/app.dart';
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import 'package:sky/framework/rendering/render_box.dart';
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import 'package:sky/framework/rendering/render_node.dart';
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import 'package:sky/framework/rendering/render_flex.dart';
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import 'package:sky/framework/rendering/render_paragraph.dart';
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class RenderSolidColor extends RenderDecoratedBox {
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final Size desiredSize;
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final int backgroundColor;
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RenderSolidColor(int backgroundColor, { this.desiredSize: const Size.infinite() })
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: backgroundColor = backgroundColor,
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super(decoration: new BoxDecoration(backgroundColor: backgroundColor));
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Size getIntrinsicDimensions(BoxConstraints constraints) {
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return constraints.constrain(desiredSize);
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}
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void performLayout() {
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size = constraints.constrain(desiredSize);
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}
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void handlePointer(PointerEvent event) {
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if (event.type == 'pointerdown')
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decoration = new BoxDecoration(backgroundColor: 0xFFFF0000);
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else if (event.type == 'pointerup')
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decoration = new BoxDecoration(backgroundColor: backgroundColor);
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}
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}
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AppView app;
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void main() {
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RenderFlex flexRoot = new RenderFlex(direction: FlexDirection.Vertical);
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RenderNode root = new RenderDecoratedBox(
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decoration: new BoxDecoration(backgroundColor: 0xFF606060),
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child: flexRoot
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);
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RenderNode child = new RenderSolidColor(0xFFFFFF00);
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flexRoot.add(child);
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child.parentData.flex = 2;
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// The internet is a beautiful place. https://baconipsum.com/
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String meatyString = """Bacon ipsum dolor amet ham fatback tri-tip, prosciutto
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porchetta bacon kevin meatball meatloaf pig beef ribs chicken. Brisket ribeye
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andouille leberkas capicola meatloaf. Chicken pig ball tip pork picanha bresaola
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alcatra. Pork pork belly alcatra, flank chuck drumstick biltong doner jowl.
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Pancetta meatball tongue tenderloin rump tail jowl boudin.""";
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child = new RenderDecoratedBox(
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decoration: new BoxDecoration(backgroundColor: 0xFFFFFFFF),
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child: new RenderParagraph(text: meatyString, color: 0xFF009900)
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);
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flexRoot.add(child);
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child.parentData.flex = 1;
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app = new AppView(root);
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}
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