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// Copyright 2014 The Flutter Authors. All rights reserved.
// Use of this source code is governed by a BSD-style license that can be
// found in the LICENSE file.
import 'package:flutter/foundation.dart';
import 'package:flutter/material.dart';
import 'package:flutter/rendering.dart';
import 'package:flutter_test/flutter_test.dart';
/// On web, the context menu (aka toolbar) is provided by the browser.
const bool isContextMenuProvidedByPlatform = isBrowser;
// Returns the RenderEditable at the given index, or the first if not given.
RenderEditable findRenderEditable(WidgetTester tester, {int index = 0}) {
final RenderObject root = tester.renderObject(find.byType(EditableText).at(index));
expect(root, isNotNull);
late RenderEditable renderEditable;
void recursiveFinder(RenderObject child) {
if (child is RenderEditable) {
renderEditable = child;
return;
}
child.visitChildren(recursiveFinder);
}
root.visitChildren(recursiveFinder);
expect(renderEditable, isNotNull);
return renderEditable;
}
List<TextSelectionPoint> globalize(Iterable<TextSelectionPoint> points, RenderBox box) {
return points.map<TextSelectionPoint>((TextSelectionPoint point) {
return TextSelectionPoint(
box.localToGlobal(point.point),
point.direction,
);
}).toList();
}
Offset textOffsetToPosition(WidgetTester tester, int offset, {int index = 0}) {
final RenderEditable renderEditable = findRenderEditable(tester, index: index);
final List<TextSelectionPoint> endpoints = globalize(
renderEditable.getEndpointsForSelection(
TextSelection.collapsed(offset: offset),
),
renderEditable,
);
expect(endpoints.length, 1);
return endpoints[0].point + const Offset(kIsWeb? 1.0 : 0.0, -2.0);
}
// Simple controller that builds a WidgetSpan with 100 height.
class OverflowWidgetTextEditingController extends TextEditingController {
@override
TextSpan buildTextSpan({
required BuildContext context,
TextStyle? style,
required bool withComposing,
}) {
return TextSpan(
style: style,
children: <InlineSpan>[
const TextSpan(text: 'Hi'),
WidgetSpan(
child: Container(
color: Colors.redAccent,
height: 100.0,
),
),
],
);
}
}