9bc64540c5
Now a RenderBox is considered hit if one of its children are hit or it itself decides that it's hit. In particular, empty space inside a flex won't be hit because none of the children are located there and a RenderFlex doesn't consider itself hittable. Fixes #53 Fixes #1221
37 lines
1.1 KiB
Dart
37 lines
1.1 KiB
Dart
import 'package:flutter/rendering.dart';
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import 'package:test/test.dart';
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import 'rendering_tester.dart';
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void main() {
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test('Should be able to hit with negative scroll offset', () {
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RenderBox green = new RenderDecoratedBox(
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decoration: new BoxDecoration(
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backgroundColor: const Color(0xFF00FF00)
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));
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RenderBox size = new RenderConstrainedBox(
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additionalConstraints: new BoxConstraints.tight(const Size(100.0, 100.0)),
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child: green);
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RenderBox red = new RenderDecoratedBox(
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decoration: new BoxDecoration(
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backgroundColor: const Color(0xFFFF0000)
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),
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child: size);
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RenderViewport viewport = new RenderViewport(child: red, scrollOffset: new Offset(0.0, -10.0));
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layout(viewport);
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HitTestResult result;
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result = new HitTestResult();
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renderView.hitTest(result, position: new Point(15.0, 0.0));
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expect(result.path.first.target.runtimeType, equals(TestRenderView));
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result = new HitTestResult();
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renderView.hitTest(result, position: new Point(15.0, 15.0));
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expect(result.path.first.target, equals(green));
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});
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}
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