fix(ui): improve cross-platform text input behavior (#1477)

ui/flutter/test/features/tasks/presentation/create_task_window_page_test.dart

@@ -1,5 +1,6 @@
 import 'package:flutter/widgets.dart';
 import 'package:flutter/widgets.dart' as flutter show Row;
+import 'package:flutter/foundation.dart' show TargetPlatform, debugDefaultTargetPlatformOverride;
 import 'package:flutter/material.dart' show Icons;
 import 'package:flutter_riverpod/flutter_riverpod.dart';
 import 'package:flutter_test/flutter_test.dart';
@@ -21,6 +22,39 @@ import 'package:gopeed/shared/widgets/app_tooltip.dart';
 import 'package:shadcn_flutter/shadcn_flutter.dart' as shad;
 
 void main() {
+  testWidgets('mobile create task page starts below the system status bar', (WidgetTester tester) async {
+    debugDefaultTargetPlatformOverride = TargetPlatform.android;
+    tester.view.physicalSize = const Size(700, 760);
+    tester.view.devicePixelRatio = 1;
+    tester.view.padding = const FakeViewPadding(top: 32, bottom: 24);
+    addTearDown(tester.view.resetPhysicalSize);
+    addTearDown(tester.view.resetDevicePixelRatio);
+    addTearDown(tester.view.resetPadding);
+
+    final registry = CapabilityRegistry(createAppCapabilityCodecs())
+      ..bind(GopeedMethods.getConfig, (_) => DownloaderConfig(downloadDir: '/downloads'));
+    final capabilities = AppCapabilities(LocalCapabilityInvoker(registry));
+
+    try {
+      await tester.pumpWidget(
+        ProviderScope(
+          overrides: [appCapabilitiesProvider.overrideWithValue(capabilities)],
+          child: shad.ShadcnApp(
+            theme: AppTheme.light(),
+            materialTheme: AppTheme.materialLight(),
+            home: AppComponentThemes(child: const CreateTaskWindowPage()),
+          ),
+        ),
+      );
+      await tester.pumpAndSettle();
+
+      final contentPadding = tester.widget<Padding>(find.byKey(const ValueKey('create-task-safe-content')));
+      expect((contentPadding.padding as EdgeInsets).top, 32);
+    } finally {
+      debugDefaultTargetPlatformOverride = null;
+    }
+  });
+
   testWidgets('browser extension request parameters populate the form and survive submission', (
     WidgetTester tester,
   ) async {

ui/flutter/test/shared/widgets/app_text_field_test.dart

@@ -0,0 +1,110 @@
+import 'package:flutter/foundation.dart';
+import 'package:flutter/gestures.dart';
+import 'package:flutter/material.dart' as material show AdaptiveTextSelectionToolbar;
+import 'package:flutter/services.dart' show BrowserContextMenu;
+import 'package:flutter/widgets.dart';
+import 'package:flutter_test/flutter_test.dart';
+import 'package:gopeed/shared/theme/app_component_themes.dart';
+import 'package:gopeed/shared/theme/app_theme.dart';
+import 'package:gopeed/shared/widgets/app_text_field.dart';
+import 'package:shadcn_flutter/shadcn_flutter.dart' as shad;
+
+void main() {
+  testWidgets('Android long press uses Flutter adaptive text selection toolbar', (tester) async {
+    debugDefaultTargetPlatformOverride = TargetPlatform.android;
+    final controller = TextEditingController(text: 'https://example.com/download');
+    addTearDown(controller.dispose);
+
+    try {
+      await tester.pumpWidget(
+        shad.ShadcnApp(
+          theme: AppTheme.light(),
+          materialTheme: AppTheme.materialLight(),
+          home: AppComponentThemes(
+            child: Center(
+              child: SizedBox(width: 320, child: AppTextField(controller: controller)),
+            ),
+          ),
+        ),
+      );
+
+      await tester.longPress(find.byType(AppTextField));
+      await tester.pumpAndSettle();
+
+      expect(find.byType(material.AdaptiveTextSelectionToolbar), findsOneWidget);
+      expect(find.byType(shad.MobileEditableTextContextMenu), findsNothing);
+    } finally {
+      debugDefaultTargetPlatformOverride = null;
+    }
+  }, skip: kIsWeb);
+
+  testWidgets('desktop right click uses Flutter adaptive text selection toolbar', (tester) async {
+    debugDefaultTargetPlatformOverride = TargetPlatform.macOS;
+    final controller = TextEditingController(text: 'https://example.com/download');
+    addTearDown(controller.dispose);
+
+    try {
+      await tester.pumpWidget(
+        shad.ShadcnApp(
+          theme: AppTheme.light(),
+          materialTheme: AppTheme.materialLight(),
+          home: AppComponentThemes(
+            child: Center(
+              child: SizedBox(width: 320, child: AppTextField(controller: controller)),
+            ),
+          ),
+        ),
+      );
+
+      final field = find.byType(AppTextField);
+      final gesture = await tester.startGesture(
+        tester.getCenter(field),
+        kind: PointerDeviceKind.mouse,
+        buttons: kSecondaryMouseButton,
+      );
+      await gesture.up();
+      await tester.pumpAndSettle();
+
+      expect(find.byType(material.AdaptiveTextSelectionToolbar), findsOneWidget);
+      expect(find.byType(shad.DesktopEditableTextContextMenu), findsNothing);
+    } finally {
+      debugDefaultTargetPlatformOverride = null;
+    }
+  }, skip: kIsWeb);
+
+  testWidgets('Web right click keeps the browser menu and creates no Flutter overlay', (tester) async {
+    final controller = TextEditingController(text: 'https://example.com/download');
+    addTearDown(controller.dispose);
+
+    await tester.pumpWidget(
+      shad.ShadcnApp(
+        disableBrowserContextMenu: false,
+        theme: AppTheme.light(),
+        materialTheme: AppTheme.materialLight(),
+        home: AppComponentThemes(
+          child: Center(
+            child: SizedBox(width: 320, child: AppTextField(controller: controller)),
+          ),
+        ),
+      ),
+    );
+
+    await tester.pumpAndSettle();
+    expect(BrowserContextMenu.enabled, isTrue);
+    final gesture = await tester.startGesture(
+      tester.getCenter(find.byType(AppTextField)),
+      kind: PointerDeviceKind.mouse,
+      buttons: kSecondaryMouseButton,
+    );
+    await gesture.up();
+    await tester.pumpAndSettle();
+
+    expect(find.byType(material.AdaptiveTextSelectionToolbar), findsNothing);
+    expect(find.byType(shad.DesktopEditableTextContextMenu), findsNothing);
+    expect(find.byType(shad.MobileEditableTextContextMenu), findsNothing);
+  }, skip: !kIsWeb);
+
+  test('AppTextField defaults to the shared context menu policy', () {
+    expect(const AppTextField().contextMenuBuilder, same(appTextFieldContextMenuBuilder));
+  });
+}

ui/flutter/test/widget_test.dart

@@ -81,6 +81,7 @@ import 'package:gopeed/shared/widgets/app_copy_icon_button.dart';
 import 'package:gopeed/shared/widgets/app_http_headers_editor.dart';
 import 'package:gopeed/shared/widgets/app_path_picker_field.dart';
 import 'package:gopeed/shared/widgets/app_primary_button.dart';
+import 'package:gopeed/shared/widgets/app_text_field.dart';
 import 'package:gopeed/shared/widgets/app_tooltip.dart';
 import 'package:gopeed/shared/widgets/app_toast.dart';
 import 'package:gopeed/shared/widgets/gopeed_app_mark.dart';
@@ -371,7 +372,7 @@ void main() {
     await tester.pump();
     await tester.pump(const Duration(milliseconds: 500));
 
-    await tester.enterText(find.byType(shad.TextField), 'not-a-task');
+    await tester.enterText(find.byType(AppTextField), 'not-a-task');
     await tester.pump();
 
     expect(find.text('No matching tasks found'), findsOneWidget);
@@ -1451,8 +1452,10 @@ void main() {
     await tester.tap(find.byKey(const ValueKey('close-mcp-agent-setup')));
     await tester.pumpAndSettle();
 
-    await tester.ensureVisible(find.byKey(const ValueKey('mcp-endpoint-switch')));
-    await tester.tap(find.byKey(const ValueKey('mcp-endpoint-switch')));
+    final mcpSwitch = find.byKey(const ValueKey('mcp-endpoint-switch'));
+    await Scrollable.ensureVisible(tester.element(mcpSwitch), alignment: 0.5);
+    await tester.pumpAndSettle();
+    await tester.tap(mcpSwitch);
     await tester.pump();
     expect(tester.widget<AppLoadingButton>(saveButton).onPressed, isNotNull);
 
@@ -2302,7 +2305,7 @@ void main() {
     expect(tester.getSize(createDirectoryInput).height, tester.getSize(createRenameInput).height);
     final createDirectoryField = tester.widget<shad.TextField>(createDirectoryInput);
     final createRenameField = tester.widget<shad.TextField>(
-      find.descendant(of: createRenameInput, matching: find.byType(shad.TextField)),
+      find.descendant(of: createRenameInput, matching: find.byType(AppTextField)),
     );
     expect(createDirectoryField.filled, createRenameField.filled);
     expect(createDirectoryField.border, createRenameField.border);
@@ -4339,8 +4342,8 @@ void main() {
     expect(find.byType(AppHttpHeadersEditor), findsOneWidget);
     final firstName = find.byKey(const ValueKey('update-task-http-header-name-0'));
     final firstValue = find.byKey(const ValueKey('update-task-http-header-value-0'));
-    final firstNameField = find.descendant(of: firstName, matching: find.byType(shad.TextField));
-    final firstValueField = find.descendant(of: firstValue, matching: find.byType(shad.TextField));
+    final firstNameField = find.descendant(of: firstName, matching: find.byType(AppTextField));
+    final firstValueField = find.descendant(of: firstValue, matching: find.byType(AppTextField));
     expect(tester.widget<shad.TextField>(firstNameField).controller!.text, 'Authorization');
     expect(tester.widget<shad.TextField>(firstValueField).controller!.text, 'Bearer old');
     expect(tester.getSize(firstValue).width / tester.getSize(firstName).width, closeTo(1.618, 0.01));