119 lines
3.7 KiB
Dart
119 lines
3.7 KiB
Dart
// Copyright 2014 The Flutter 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 'package:flutter/material.dart';
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void main() {
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// Changes made in https://github.com/flutter/flutter/pull/142151
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MaterialState selected = MaterialState.selected;
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MaterialState hovered = MaterialState.hovered;
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MaterialState focused = MaterialState.focused;
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MaterialState pressed = MaterialState.pressed;
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MaterialState dragged = MaterialState.dragged;
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MaterialState scrolledUnder = MaterialState.scrolledUnder;
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MaterialState disabled = MaterialState.disabled;
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MaterialState error = MaterialState.error;
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final MaterialPropertyResolver<MouseCursor?> resolveCallback;
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Color getColor(Set<MaterialState> states) {
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if (states.contains(MaterialState.disabled)) {
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if (states.contains(MaterialState.selected)) {
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return Color(0xFF000002);
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}
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return Color(0xFF000004);
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}
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if (states.contains(MaterialState.selected)) {
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return Color(0xFF000001);
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}
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return Color(0xFF000003);
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}
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final MaterialStateProperty<Color> backgroundColor =
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MaterialStateColor.resolveWith(getColor);
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TextStyle floatingLabelStyle = MaterialStateTextStyle.resolveWith((
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Set<MaterialState> states,
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) {
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final Color color = states.contains(MaterialState.error)
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? Theme.of(context).colorScheme.error
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: Colors.orange;
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return TextStyle(color: color, letterSpacing: 1.3);
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});
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final MaterialStateProperty<Icon?> thumbIcon =
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MaterialStateProperty.resolveWith<Icon?>((Set<MaterialState> states) {
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if (states.contains(MaterialState.selected)) {
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return const Icon(Icons.check);
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}
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return const Icon(Icons.close);
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});
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final Color backgroundColor = MaterialStatePropertyAll<Color>(
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Colors.blue.withOpacity(0.12),
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);
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final MaterialStatesController statesController = MaterialStatesController(
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<MaterialState>{if (widget.selected) MaterialState.selected},
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);
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}
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class _MouseCursor extends MaterialStateMouseCursor {
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const _MouseCursor(this.resolveCallback);
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final MaterialPropertyResolver<MouseCursor?> resolveCallback;
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@override
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MouseCursor resolve(Set<MaterialState> states) =>
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resolveCallback(states) ?? MouseCursor.uncontrolled;
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}
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class SelectedBorder extends RoundedRectangleBorder
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implements MaterialStateOutlinedBorder {
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const SelectedBorder();
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@override
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OutlinedBorder? resolve(Set<MaterialState> states) {
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if (states.contains(MaterialState.selected)) {
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return const RoundedRectangleBorder();
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}
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return null;
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}
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}
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class _MyWidget extends StatefulWidget {
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const _MyWidget({
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required this.controller,
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required this.evaluator,
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required this.materialState,
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});
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final bool Function(_MyWidgetState state) evaluator;
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/// Stream passed down to the child [_InnerWidget] to begin the process.
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/// This plays the role of an actual user interaction in the wild, but allows
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/// us to engage the system without mocking pointers/hovers etc.
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final StreamController<bool> controller;
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/// The value we're watching in the given test.
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final MaterialState materialState;
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MaterialStateBorderSide? get side {
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return MaterialStateBorderSide.resolveWith((Set<MaterialState> states) {
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if (states.contains(MaterialState.disabled)) {
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if (states.contains(MaterialState.selected)) {
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return const BorderSide(width: 2.0);
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}
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return BorderSide(width: 1.0);
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}
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if (states.contains(MaterialState.selected)) {
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return const BorderSide(width: 1.5);
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}
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return BorderSide(width: 0.5);
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});
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}
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@override
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State createState() => _MyWidgetState();
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}
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