| // 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 'dart:ui' as ui; |
| |
| import 'package:flutter/material.dart'; |
| import 'package:flutter/rendering.dart'; |
| import 'package:flutter/services.dart'; |
| import 'package:flutter_test/flutter_test.dart'; |
| |
| import 'clipboard_utils.dart'; |
| |
| Offset textOffsetToPosition(RenderParagraph paragraph, int offset) { |
| const Rect caret = Rect.fromLTWH(0.0, 0.0, 2.0, 20.0); |
| final Offset localOffset = paragraph.getOffsetForCaret(TextPosition(offset: offset), caret); |
| return paragraph.localToGlobal(localOffset); |
| } |
| |
| Offset globalize(Offset point, RenderBox box) { |
| return box.localToGlobal(point); |
| } |
| |
| void main() { |
| TestWidgetsFlutterBinding.ensureInitialized(); |
| final MockClipboard mockClipboard = MockClipboard(); |
| |
| setUp(() async { |
| TestDefaultBinaryMessengerBinding.instance!.defaultBinaryMessenger.setMockMethodCallHandler(SystemChannels.platform, mockClipboard.handleMethodCall); |
| await Clipboard.setData(const ClipboardData(text: 'empty')); |
| }); |
| |
| tearDown(() { |
| TestDefaultBinaryMessengerBinding.instance!.defaultBinaryMessenger.setMockMethodCallHandler(SystemChannels.platform, null); |
| }); |
| |
| testWidgets('mouse can select multiple widgets', (WidgetTester tester) async { |
| await tester.pumpWidget(MaterialApp( |
| home: SelectionArea( |
| selectionControls: materialTextSelectionControls, |
| child: ListView.builder( |
| itemCount: 100, |
| itemBuilder: (BuildContext context, int index) { |
| return Text('Item $index'); |
| }, |
| ), |
| ), |
| )); |
| |
| final RenderParagraph paragraph1 = tester.renderObject<RenderParagraph>(find.descendant(of: find.text('Item 0'), matching: find.byType(RichText))); |
| final TestGesture gesture = await tester.startGesture(textOffsetToPosition(paragraph1, 2), kind: ui.PointerDeviceKind.mouse); |
| addTearDown(gesture.removePointer); |
| await tester.pump(); |
| |
| await gesture.moveTo(textOffsetToPosition(paragraph1, 4)); |
| await tester.pump(); |
| expect(paragraph1.selections[0], const TextSelection(baseOffset: 2, extentOffset: 4)); |
| |
| final RenderParagraph paragraph2 = tester.renderObject<RenderParagraph>(find.descendant(of: find.text('Item 1'), matching: find.byType(RichText))); |
| await gesture.moveTo(textOffsetToPosition(paragraph2, 5)); |
| // Should select the rest of paragraph 1. |
| expect(paragraph1.selections[0], const TextSelection(baseOffset: 2, extentOffset: 6)); |
| expect(paragraph2.selections[0], const TextSelection(baseOffset: 0, extentOffset: 5)); |
| |
| final RenderParagraph paragraph3 = tester.renderObject<RenderParagraph>(find.descendant(of: find.text('Item 3'), matching: find.byType(RichText))); |
| await gesture.moveTo(textOffsetToPosition(paragraph3, 3)); |
| expect(paragraph1.selections[0], const TextSelection(baseOffset: 2, extentOffset: 6)); |
| expect(paragraph2.selections[0], const TextSelection(baseOffset: 0, extentOffset: 6)); |
| expect(paragraph3.selections[0], const TextSelection(baseOffset: 0, extentOffset: 3)); |
| |
| await gesture.up(); |
| }); |
| |
| testWidgets('mouse can select multiple widgets - horizontal', (WidgetTester tester) async { |
| await tester.pumpWidget(MaterialApp( |
| home: SelectionArea( |
| selectionControls: materialTextSelectionControls, |
| child: ListView.builder( |
| scrollDirection: Axis.horizontal, |
| itemCount: 100, |
| itemBuilder: (BuildContext context, int index) { |
| return Text('Item $index'); |
| }, |
| ), |
| ), |
| )); |
| |
| final RenderParagraph paragraph1 = tester.renderObject<RenderParagraph>(find.descendant(of: find.text('Item 0'), matching: find.byType(RichText))); |
| final TestGesture gesture = await tester.startGesture(textOffsetToPosition(paragraph1, 2), kind: ui.PointerDeviceKind.mouse); |
| addTearDown(gesture.removePointer); |
| await tester.pump(); |
| |
| await gesture.moveTo(textOffsetToPosition(paragraph1, 4)); |
| await tester.pump(); |
| expect(paragraph1.selections[0], const TextSelection(baseOffset: 2, extentOffset: 4)); |
| |
| final RenderParagraph paragraph2 = tester.renderObject<RenderParagraph>(find.descendant(of: find.text('Item 1'), matching: find.byType(RichText))); |
| await gesture.moveTo(textOffsetToPosition(paragraph2, 5) + const Offset(0, 5)); |
| // Should select the rest of paragraph 1. |
| expect(paragraph1.selections[0], const TextSelection(baseOffset: 2, extentOffset: 6)); |
| expect(paragraph2.selections[0], const TextSelection(baseOffset: 0, extentOffset: 5)); |
| |
| await gesture.up(); |
| }); |
| |
| testWidgets('select to scroll forward', (WidgetTester tester) async { |
| final ScrollController controller = ScrollController(); |
| await tester.pumpWidget(MaterialApp( |
| home: SelectionArea( |
| selectionControls: materialTextSelectionControls, |
| child: ListView.builder( |
| controller: controller, |
| itemCount: 100, |
| itemBuilder: (BuildContext context, int index) { |
| return Text('Item $index'); |
| }, |
| ), |
| ), |
| )); |
| |
| final RenderParagraph paragraph1 = tester.renderObject<RenderParagraph>(find.descendant(of: find.text('Item 0'), matching: find.byType(RichText))); |
| final TestGesture gesture = await tester.startGesture(textOffsetToPosition(paragraph1, 2), kind: ui.PointerDeviceKind.mouse); |
| addTearDown(gesture.removePointer); |
| await tester.pump(); |
| expect(controller.offset, 0.0); |
| double previousOffset = controller.offset; |
| |
| await gesture.moveTo(tester.getBottomRight(find.byType(ListView))); |
| await tester.pump(); |
| await tester.pump(const Duration(seconds: 1)); |
| expect(controller.offset > previousOffset, isTrue); |
| previousOffset = controller.offset; |
| |
| await tester.pump(); |
| await tester.pump(const Duration(seconds: 1)); |
| expect(controller.offset > previousOffset, isTrue); |
| |
| // Scroll to the end. |
| await tester.pumpAndSettle(const Duration(seconds: 1)); |
| expect(controller.offset, 4200.0); |
| final RenderParagraph paragraph99 = tester.renderObject<RenderParagraph>(find.descendant(of: find.text('Item 99'), matching: find.byType(RichText))); |
| final RenderParagraph paragraph98 = tester.renderObject<RenderParagraph>(find.descendant(of: find.text('Item 98'), matching: find.byType(RichText))); |
| final RenderParagraph paragraph97 = tester.renderObject<RenderParagraph>(find.descendant(of: find.text('Item 97'), matching: find.byType(RichText))); |
| final RenderParagraph paragraph96 = tester.renderObject<RenderParagraph>(find.descendant(of: find.text('Item 96'), matching: find.byType(RichText))); |
| expect(paragraph99.selections[0], const TextSelection(baseOffset: 0, extentOffset: 7)); |
| expect(paragraph98.selections[0], const TextSelection(baseOffset: 0, extentOffset: 7)); |
| expect(paragraph97.selections[0], const TextSelection(baseOffset: 0, extentOffset: 7)); |
| expect(paragraph96.selections[0], const TextSelection(baseOffset: 0, extentOffset: 7)); |
| |
| await gesture.up(); |
| }); |
| |
| testWidgets('select to scroll backward', (WidgetTester tester) async { |
| final ScrollController controller = ScrollController(); |
| await tester.pumpWidget(MaterialApp( |
| home: SelectionArea( |
| selectionControls: materialTextSelectionControls, |
| child: ListView.builder( |
| controller: controller, |
| itemCount: 100, |
| itemBuilder: (BuildContext context, int index) { |
| return Text('Item $index'); |
| }, |
| ), |
| ), |
| )); |
| |
| controller.jumpTo(4000); |
| await tester.pumpAndSettle(); |
| |
| final TestGesture gesture = await tester.startGesture(tester.getCenter(find.byType(ListView)), kind: ui.PointerDeviceKind.mouse); |
| addTearDown(gesture.removePointer); |
| await tester.pump(); |
| expect(controller.offset, 4000); |
| double previousOffset = controller.offset; |
| |
| await gesture.moveTo(tester.getTopLeft(find.byType(ListView))); |
| await tester.pump(); |
| await tester.pump(const Duration(seconds: 1)); |
| expect(controller.offset < previousOffset, isTrue); |
| previousOffset = controller.offset; |
| |
| await tester.pump(); |
| await tester.pump(const Duration(seconds: 1)); |
| expect(controller.offset < previousOffset, isTrue); |
| |
| // Scroll to the beginning. |
| await tester.pumpAndSettle(const Duration(seconds: 1)); |
| expect(controller.offset, 0.0); |
| final RenderParagraph paragraph0 = tester.renderObject<RenderParagraph>(find.descendant(of: find.text('Item 0'), matching: find.byType(RichText))); |
| final RenderParagraph paragraph1 = tester.renderObject<RenderParagraph>(find.descendant(of: find.text('Item 1'), matching: find.byType(RichText))); |
| final RenderParagraph paragraph2 = tester.renderObject<RenderParagraph>(find.descendant(of: find.text('Item 2'), matching: find.byType(RichText))); |
| final RenderParagraph paragraph3 = tester.renderObject<RenderParagraph>(find.descendant(of: find.text('Item 3'), matching: find.byType(RichText))); |
| expect(paragraph0.selections[0], const TextSelection(baseOffset: 6, extentOffset: 0)); |
| expect(paragraph1.selections[0], const TextSelection(baseOffset: 6, extentOffset: 0)); |
| expect(paragraph2.selections[0], const TextSelection(baseOffset: 6, extentOffset: 0)); |
| expect(paragraph3.selections[0], const TextSelection(baseOffset: 6, extentOffset: 0)); |
| }); |
| |
| testWidgets('select to scroll forward - horizontal', (WidgetTester tester) async { |
| final ScrollController controller = ScrollController(); |
| await tester.pumpWidget(MaterialApp( |
| home: SelectionArea( |
| selectionControls: materialTextSelectionControls, |
| child: ListView.builder( |
| scrollDirection: Axis.horizontal, |
| controller: controller, |
| itemCount: 10, |
| itemBuilder: (BuildContext context, int index) { |
| return Text('Item $index'); |
| }, |
| ), |
| ), |
| )); |
| |
| final RenderParagraph paragraph1 = tester.renderObject<RenderParagraph>(find.descendant(of: find.text('Item 0'), matching: find.byType(RichText))); |
| final TestGesture gesture = await tester.startGesture(textOffsetToPosition(paragraph1, 2), kind: ui.PointerDeviceKind.mouse); |
| addTearDown(gesture.removePointer); |
| await tester.pump(); |
| expect(controller.offset, 0.0); |
| double previousOffset = controller.offset; |
| |
| await gesture.moveTo(tester.getBottomRight(find.byType(ListView))); |
| await tester.pump(); |
| await tester.pump(const Duration(seconds: 1)); |
| expect(controller.offset > previousOffset, isTrue); |
| previousOffset = controller.offset; |
| |
| await tester.pump(); |
| await tester.pump(const Duration(seconds: 1)); |
| expect(controller.offset > previousOffset, isTrue); |
| |
| // Scroll to the end. |
| await tester.pumpAndSettle(const Duration(seconds: 1)); |
| expect(controller.offset, 2080.0); |
| final RenderParagraph paragraph9 = tester.renderObject<RenderParagraph>(find.descendant(of: find.text('Item 9'), matching: find.byType(RichText))); |
| final RenderParagraph paragraph8 = tester.renderObject<RenderParagraph>(find.descendant(of: find.text('Item 8'), matching: find.byType(RichText))); |
| final RenderParagraph paragraph7 = tester.renderObject<RenderParagraph>(find.descendant(of: find.text('Item 7'), matching: find.byType(RichText))); |
| expect(paragraph9.selections[0], const TextSelection(baseOffset: 0, extentOffset: 6)); |
| expect(paragraph8.selections[0], const TextSelection(baseOffset: 0, extentOffset: 6)); |
| expect(paragraph7.selections[0], const TextSelection(baseOffset: 0, extentOffset: 6)); |
| |
| await gesture.up(); |
| }); |
| |
| testWidgets('select to scroll backward - horizontal', (WidgetTester tester) async { |
| final ScrollController controller = ScrollController(); |
| await tester.pumpWidget(MaterialApp( |
| home: SelectionArea( |
| selectionControls: materialTextSelectionControls, |
| child: ListView.builder( |
| scrollDirection: Axis.horizontal, |
| controller: controller, |
| itemCount: 10, |
| itemBuilder: (BuildContext context, int index) { |
| return Text('Item $index'); |
| }, |
| ), |
| ), |
| )); |
| |
| controller.jumpTo(2080); |
| await tester.pumpAndSettle(); |
| |
| final TestGesture gesture = await tester.startGesture(tester.getCenter(find.byType(ListView)), kind: ui.PointerDeviceKind.mouse); |
| addTearDown(gesture.removePointer); |
| await tester.pump(); |
| expect(controller.offset, 2080); |
| double previousOffset = controller.offset; |
| |
| await gesture.moveTo(tester.getTopLeft(find.byType(ListView))); |
| await tester.pump(); |
| await tester.pump(const Duration(seconds: 1)); |
| expect(controller.offset < previousOffset, isTrue); |
| previousOffset = controller.offset; |
| |
| await tester.pump(); |
| await tester.pump(const Duration(seconds: 1)); |
| expect(controller.offset < previousOffset, isTrue); |
| |
| // Scroll to the beginning. |
| await tester.pumpAndSettle(const Duration(seconds: 1)); |
| expect(controller.offset, 0.0); |
| final RenderParagraph paragraph0 = tester.renderObject<RenderParagraph>(find.descendant(of: find.text('Item 0'), matching: find.byType(RichText))); |
| final RenderParagraph paragraph1 = tester.renderObject<RenderParagraph>(find.descendant(of: find.text('Item 1'), matching: find.byType(RichText))); |
| final RenderParagraph paragraph2 = tester.renderObject<RenderParagraph>(find.descendant(of: find.text('Item 2'), matching: find.byType(RichText))); |
| expect(paragraph0.selections[0], const TextSelection(baseOffset: 6, extentOffset: 0)); |
| expect(paragraph1.selections[0], const TextSelection(baseOffset: 6, extentOffset: 0)); |
| expect(paragraph2.selections[0], const TextSelection(baseOffset: 6, extentOffset: 0)); |
| |
| await gesture.up(); |
| }); |
| |
| testWidgets('preserve selection when out of view.', (WidgetTester tester) async { |
| final ScrollController controller = ScrollController(); |
| await tester.pumpWidget(MaterialApp( |
| home: SelectionArea( |
| selectionControls: materialTextSelectionControls, |
| child: ListView.builder( |
| controller: controller, |
| itemCount: 100, |
| itemBuilder: (BuildContext context, int index) { |
| return Text('Item $index'); |
| }, |
| ), |
| ), |
| )); |
| |
| controller.jumpTo(2000); |
| await tester.pumpAndSettle(); |
| expect(find.text('Item 50'), findsOneWidget); |
| RenderParagraph paragraph50 = tester.renderObject<RenderParagraph>(find.descendant(of: find.text('Item 50'), matching: find.byType(RichText))); |
| final TestGesture gesture = await tester.startGesture(textOffsetToPosition(paragraph50, 2), kind: ui.PointerDeviceKind.mouse); |
| addTearDown(gesture.removePointer); |
| await tester.pump(); |
| await gesture.moveTo(textOffsetToPosition(paragraph50, 4)); |
| await gesture.up(); |
| expect(paragraph50.selections[0], const TextSelection(baseOffset: 2, extentOffset: 4)); |
| |
| controller.jumpTo(0); |
| await tester.pumpAndSettle(); |
| expect(find.text('Item 50'), findsNothing); |
| |
| controller.jumpTo(2000); |
| await tester.pumpAndSettle(); |
| expect(find.text('Item 50'), findsOneWidget); |
| paragraph50 = tester.renderObject<RenderParagraph>(find.descendant(of: find.text('Item 50'), matching: find.byType(RichText))); |
| expect(paragraph50.selections[0], const TextSelection(baseOffset: 2, extentOffset: 4)); |
| |
| controller.jumpTo(4000); |
| await tester.pumpAndSettle(); |
| expect(find.text('Item 50'), findsNothing); |
| |
| controller.jumpTo(2000); |
| await tester.pumpAndSettle(); |
| expect(find.text('Item 50'), findsOneWidget); |
| paragraph50 = tester.renderObject<RenderParagraph>(find.descendant(of: find.text('Item 50'), matching: find.byType(RichText))); |
| expect(paragraph50.selections[0], const TextSelection(baseOffset: 2, extentOffset: 4)); |
| }); |
| |
| testWidgets('can select all non-Apple', (WidgetTester tester) async { |
| final FocusNode node = FocusNode(); |
| await tester.pumpWidget(MaterialApp( |
| home: SelectionArea( |
| focusNode: node, |
| selectionControls: materialTextSelectionControls, |
| child: ListView.builder( |
| itemCount: 100, |
| itemBuilder: (BuildContext context, int index) { |
| return Text('Item $index'); |
| }, |
| ), |
| ), |
| )); |
| await tester.pumpAndSettle(); |
| node.requestFocus(); |
| await tester.sendKeyDownEvent(LogicalKeyboardKey.controlLeft); |
| await tester.sendKeyDownEvent(LogicalKeyboardKey.keyA); |
| await tester.sendKeyUpEvent(LogicalKeyboardKey.keyA); |
| await tester.sendKeyUpEvent(LogicalKeyboardKey.controlLeft); |
| await tester.pump(); |
| |
| for (int i = 0; i < 13; i += 1) { |
| final RenderParagraph paragraph = tester.renderObject<RenderParagraph>(find.descendant(of: find.text('Item $i'), matching: find.byType(RichText))); |
| expect(paragraph.selections[0], TextSelection(baseOffset: 0, extentOffset: 'Item $i'.length)); |
| } |
| expect(find.text('Item 13'), findsNothing); |
| }, variant: const TargetPlatformVariant(<TargetPlatform>{ TargetPlatform.android, TargetPlatform.windows, TargetPlatform.linux, TargetPlatform.fuchsia })); |
| |
| testWidgets('can select all - Apple', (WidgetTester tester) async { |
| final FocusNode node = FocusNode(); |
| await tester.pumpWidget(MaterialApp( |
| home: SelectionArea( |
| focusNode: node, |
| selectionControls: materialTextSelectionControls, |
| child: ListView.builder( |
| itemCount: 100, |
| itemBuilder: (BuildContext context, int index) { |
| return Text('Item $index'); |
| }, |
| ), |
| ), |
| )); |
| await tester.pumpAndSettle(); |
| node.requestFocus(); |
| await tester.sendKeyDownEvent(LogicalKeyboardKey.metaLeft); |
| await tester.sendKeyDownEvent(LogicalKeyboardKey.keyA); |
| await tester.sendKeyUpEvent(LogicalKeyboardKey.keyA); |
| await tester.sendKeyUpEvent(LogicalKeyboardKey.metaLeft); |
| await tester.pump(); |
| |
| for (int i = 0; i < 13; i += 1) { |
| final RenderParagraph paragraph = tester.renderObject<RenderParagraph>(find.descendant(of: find.text('Item $i'), matching: find.byType(RichText))); |
| expect(paragraph.selections[0], TextSelection(baseOffset: 0, extentOffset: 'Item $i'.length)); |
| } |
| expect(find.text('Item 13'), findsNothing); |
| }, variant: const TargetPlatformVariant(<TargetPlatform>{ TargetPlatform.iOS, TargetPlatform.macOS })); |
| |
| testWidgets('select to scroll by dragging selection handles forward', (WidgetTester tester) async { |
| final ScrollController controller = ScrollController(); |
| await tester.pumpWidget(MaterialApp( |
| home: SelectionArea( |
| selectionControls: materialTextSelectionControls, |
| child: ListView.builder( |
| controller: controller, |
| itemCount: 100, |
| itemBuilder: (BuildContext context, int index) { |
| return Text('Item $index'); |
| }, |
| ), |
| ), |
| )); |
| await tester.pumpAndSettle(); |
| |
| // Long press to bring up the selection handles. |
| final RenderParagraph paragraph0 = tester.renderObject<RenderParagraph>(find.descendant(of: find.text('Item 0'), matching: find.byType(RichText))); |
| final TestGesture gesture = await tester.startGesture(textOffsetToPosition(paragraph0, 2)); |
| addTearDown(gesture.removePointer); |
| await tester.pump(const Duration(milliseconds: 500)); |
| await gesture.up(); |
| expect(paragraph0.selections[0], const TextSelection(baseOffset: 0, extentOffset: 4)); |
| |
| final List<TextBox> boxes = paragraph0.getBoxesForSelection(paragraph0.selections[0]); |
| expect(boxes.length, 1); |
| final Offset handlePos = globalize(boxes[0].toRect().bottomRight, paragraph0); |
| await gesture.down(handlePos); |
| |
| expect(controller.offset, 0.0); |
| double previousOffset = controller.offset; |
| |
| await gesture.moveTo(tester.getBottomRight(find.byType(ListView))); |
| await tester.pump(); |
| await tester.pump(const Duration(seconds: 1)); |
| expect(controller.offset > previousOffset, isTrue); |
| previousOffset = controller.offset; |
| |
| await tester.pump(); |
| await tester.pump(const Duration(seconds: 1)); |
| expect(controller.offset > previousOffset, isTrue); |
| |
| // Scroll to the end. |
| await tester.pumpAndSettle(const Duration(seconds: 1)); |
| expect(controller.offset, 4200.0); |
| final RenderParagraph paragraph99 = tester.renderObject<RenderParagraph>(find.descendant(of: find.text('Item 99'), matching: find.byType(RichText))); |
| final RenderParagraph paragraph98 = tester.renderObject<RenderParagraph>(find.descendant(of: find.text('Item 98'), matching: find.byType(RichText))); |
| final RenderParagraph paragraph97 = tester.renderObject<RenderParagraph>(find.descendant(of: find.text('Item 97'), matching: find.byType(RichText))); |
| final RenderParagraph paragraph96 = tester.renderObject<RenderParagraph>(find.descendant(of: find.text('Item 96'), matching: find.byType(RichText))); |
| expect(paragraph99.selections[0], const TextSelection(baseOffset: 0, extentOffset: 7)); |
| expect(paragraph98.selections[0], const TextSelection(baseOffset: 0, extentOffset: 7)); |
| expect(paragraph97.selections[0], const TextSelection(baseOffset: 0, extentOffset: 7)); |
| expect(paragraph96.selections[0], const TextSelection(baseOffset: 0, extentOffset: 7)); |
| await gesture.up(); |
| }); |
| |
| group('Complex cases', () { |
| testWidgets('selection starts outside of the scrollable', (WidgetTester tester) async { |
| final ScrollController controller = ScrollController(); |
| await tester.pumpWidget(MaterialApp( |
| home: SelectionArea( |
| selectionControls: materialTextSelectionControls, |
| child: Column( |
| children: <Widget>[ |
| const Text('Item 0'), |
| SizedBox( |
| height: 400, |
| child: ListView.builder( |
| controller: controller, |
| itemCount: 100, |
| itemBuilder: (BuildContext context, int index) { |
| return Text('Inner item $index'); |
| }, |
| ), |
| ), |
| const Text('Item 1'), |
| ], |
| ), |
| ), |
| )); |
| await tester.pumpAndSettle(); |
| |
| controller.jumpTo(1000); |
| await tester.pumpAndSettle(); |
| final RenderParagraph paragraph0 = tester.renderObject<RenderParagraph>(find.descendant(of: find.text('Item 0'), matching: find.byType(RichText))); |
| final TestGesture gesture = await tester.startGesture(textOffsetToPosition(paragraph0, 2), kind: ui.PointerDeviceKind.mouse); |
| addTearDown(gesture.removePointer); |
| final RenderParagraph paragraph1 = tester.renderObject<RenderParagraph>(find.descendant(of: find.text('Item 1'), matching: find.byType(RichText))); |
| await gesture.moveTo(textOffsetToPosition(paragraph1, 2) + const Offset(0, 5)); |
| await tester.pumpAndSettle(); |
| await gesture.up(); |
| |
| // The entire scrollable should be selected. |
| expect(paragraph0.selections[0], const TextSelection(baseOffset: 2, extentOffset: 6)); |
| expect(paragraph1.selections[0], const TextSelection(baseOffset: 0, extentOffset: 2)); |
| final RenderParagraph innerParagraph = tester.renderObject<RenderParagraph>(find.descendant(of: find.text('Inner item 20'), matching: find.byType(RichText))); |
| expect(innerParagraph.selections[0], const TextSelection(baseOffset: 0, extentOffset: 13)); |
| // Should not scroll the inner scrollable. |
| expect(controller.offset, 1000.0); |
| }); |
| |
| testWidgets('nested scrollables keep selection alive', (WidgetTester tester) async { |
| final ScrollController outerController = ScrollController(); |
| final ScrollController innerController = ScrollController(); |
| await tester.pumpWidget(MaterialApp( |
| home: SelectionArea( |
| selectionControls: materialTextSelectionControls, |
| child: ListView.builder( |
| controller: outerController, |
| itemCount: 100, |
| itemBuilder: (BuildContext context, int index) { |
| if (index == 2) { |
| return SizedBox( |
| height: 700, |
| child: ListView.builder( |
| controller: innerController, |
| itemCount: 100, |
| itemBuilder: (BuildContext context, int index) { |
| return Text('Iteminner $index'); |
| }, |
| ), |
| ); |
| } |
| return Text('Item $index'); |
| }, |
| ), |
| ), |
| )); |
| await tester.pumpAndSettle(); |
| |
| innerController.jumpTo(1000); |
| await tester.pumpAndSettle(); |
| RenderParagraph innerParagraph23 = tester.renderObject<RenderParagraph>(find.descendant(of: find.text('Iteminner 23'), matching: find.byType(RichText))); |
| final TestGesture gesture = await tester.startGesture(textOffsetToPosition(innerParagraph23, 2) + const Offset(0, 5), kind: ui.PointerDeviceKind.mouse); |
| addTearDown(gesture.removePointer); |
| RenderParagraph innerParagraph24 = tester.renderObject<RenderParagraph>(find.descendant(of: find.text('Iteminner 24'), matching: find.byType(RichText))); |
| await gesture.moveTo(textOffsetToPosition(innerParagraph24, 2) + const Offset(0, 5)); |
| await tester.pumpAndSettle(); |
| await gesture.up(); |
| expect(innerParagraph23.selections[0], const TextSelection(baseOffset: 2, extentOffset: 12)); |
| expect(innerParagraph24.selections[0], const TextSelection(baseOffset: 0, extentOffset: 2)); |
| |
| innerController.jumpTo(2000); |
| await tester.pumpAndSettle(); |
| expect(find.descendant(of: find.text('Iteminner 23'), matching: find.byType(RichText)), findsNothing); |
| |
| outerController.jumpTo(2000); |
| await tester.pumpAndSettle(); |
| expect(find.descendant(of: find.text('Iteminner 23'), matching: find.byType(RichText)), findsNothing); |
| |
| // Selected item is still kept alive. |
| expect(find.descendant(of: find.text('Iteminner 23'), matching: find.byType(RichText), skipOffstage: false), findsNothing); |
| |
| // Selection stays the same after scrolling back. |
| outerController.jumpTo(0); |
| await tester.pumpAndSettle(); |
| expect(innerController.offset, 2000.0); |
| innerController.jumpTo(1000); |
| await tester.pumpAndSettle(); |
| innerParagraph23 = tester.renderObject<RenderParagraph>(find.descendant(of: find.text('Iteminner 23'), matching: find.byType(RichText))); |
| innerParagraph24 = tester.renderObject<RenderParagraph>(find.descendant(of: find.text('Iteminner 24'), matching: find.byType(RichText))); |
| expect(innerParagraph23.selections[0], const TextSelection(baseOffset: 2, extentOffset: 12)); |
| expect(innerParagraph24.selections[0], const TextSelection(baseOffset: 0, extentOffset: 2)); |
| }); |
| |
| testWidgets('can copy off screen selection - Apple', (WidgetTester tester) async { |
| final ScrollController controller = ScrollController(); |
| final FocusNode focusNode = FocusNode(); |
| await tester.pumpWidget(MaterialApp( |
| home: SelectionArea( |
| focusNode: focusNode, |
| selectionControls: materialTextSelectionControls, |
| child: ListView.builder( |
| controller: controller, |
| itemCount: 100, |
| itemBuilder: (BuildContext context, int index) { |
| return Text('Item $index'); |
| }, |
| ), |
| ), |
| )); |
| focusNode.requestFocus(); |
| await tester.pumpAndSettle(); |
| final RenderParagraph paragraph0 = tester.renderObject<RenderParagraph>(find.descendant(of: find.text('Item 0'), matching: find.byType(RichText))); |
| final TestGesture gesture = await tester.startGesture(textOffsetToPosition(paragraph0, 2) + const Offset(0, 5), kind: ui.PointerDeviceKind.mouse); |
| addTearDown(gesture.removePointer); |
| final RenderParagraph paragraph1 = tester.renderObject<RenderParagraph>(find.descendant(of: find.text('Item 1'), matching: find.byType(RichText))); |
| await gesture.moveTo(textOffsetToPosition(paragraph1, 2) + const Offset(0, 5)); |
| await tester.pumpAndSettle(); |
| await gesture.up(); |
| expect(paragraph0.selections[0], const TextSelection(baseOffset: 2, extentOffset: 6)); |
| expect(paragraph1.selections[0], const TextSelection(baseOffset: 0, extentOffset: 2)); |
| |
| // Scroll the selected text out off the screen. |
| controller.jumpTo(1000); |
| await tester.pumpAndSettle(); |
| expect(find.descendant(of: find.text('Item 0'), matching: find.byType(RichText)), findsNothing); |
| expect(find.descendant(of: find.text('Item 1'), matching: find.byType(RichText)), findsNothing); |
| |
| // Start copying. |
| await tester.sendKeyDownEvent(LogicalKeyboardKey.metaLeft); |
| await tester.sendKeyDownEvent(LogicalKeyboardKey.keyC); |
| await tester.sendKeyUpEvent(LogicalKeyboardKey.keyC); |
| await tester.sendKeyUpEvent(LogicalKeyboardKey.metaLeft); |
| |
| final Map<String, dynamic> clipboardData = mockClipboard.clipboardData as Map<String, dynamic>; |
| expect(clipboardData['text'], 'em 0It'); |
| }, variant: const TargetPlatformVariant(<TargetPlatform>{ TargetPlatform.iOS, TargetPlatform.macOS })); |
| |
| testWidgets('can copy off screen selection - non-Apple', (WidgetTester tester) async { |
| final ScrollController controller = ScrollController(); |
| final FocusNode focusNode = FocusNode(); |
| await tester.pumpWidget(MaterialApp( |
| home: SelectionArea( |
| focusNode: focusNode, |
| selectionControls: materialTextSelectionControls, |
| child: ListView.builder( |
| controller: controller, |
| itemCount: 100, |
| itemBuilder: (BuildContext context, int index) { |
| return Text('Item $index'); |
| }, |
| ), |
| ), |
| )); |
| focusNode.requestFocus(); |
| await tester.pumpAndSettle(); |
| final RenderParagraph paragraph0 = tester.renderObject<RenderParagraph>(find.descendant(of: find.text('Item 0'), matching: find.byType(RichText))); |
| final TestGesture gesture = await tester.startGesture(textOffsetToPosition(paragraph0, 2) + const Offset(0, 5), kind: ui.PointerDeviceKind.mouse); |
| addTearDown(gesture.removePointer); |
| final RenderParagraph paragraph1 = tester.renderObject<RenderParagraph>(find.descendant(of: find.text('Item 1'), matching: find.byType(RichText))); |
| await gesture.moveTo(textOffsetToPosition(paragraph1, 2) + const Offset(0, 5)); |
| await tester.pumpAndSettle(); |
| await gesture.up(); |
| expect(paragraph0.selections[0], const TextSelection(baseOffset: 2, extentOffset: 6)); |
| expect(paragraph1.selections[0], const TextSelection(baseOffset: 0, extentOffset: 2)); |
| |
| // Scroll the selected text out off the screen. |
| controller.jumpTo(1000); |
| await tester.pumpAndSettle(); |
| expect(find.descendant(of: find.text('Item 0'), matching: find.byType(RichText)), findsNothing); |
| expect(find.descendant(of: find.text('Item 1'), matching: find.byType(RichText)), findsNothing); |
| |
| // Start copying. |
| await tester.sendKeyDownEvent(LogicalKeyboardKey.controlLeft); |
| await tester.sendKeyDownEvent(LogicalKeyboardKey.keyC); |
| await tester.sendKeyUpEvent(LogicalKeyboardKey.keyC); |
| await tester.sendKeyUpEvent(LogicalKeyboardKey.controlLeft); |
| |
| final Map<String, dynamic> clipboardData = mockClipboard.clipboardData as Map<String, dynamic>; |
| expect(clipboardData['text'], 'em 0It'); |
| }, variant: const TargetPlatformVariant(<TargetPlatform>{ TargetPlatform.android, TargetPlatform.windows, TargetPlatform.linux, TargetPlatform.fuchsia })); |
| }); |
| } |
