meshcore-open/lib/widgets/jump_to_bottom_button.dart
zjs81 fa514533eb feat: add ChatScrollController and JumpToBottomButton for improved chat scrolling experience
- Implemented ChatScrollController to manage scroll behavior and visibility of jump-to-bottom button.
- Added functionality to automatically scroll to the bottom when the keyboard opens.
- Created JumpToBottomButton widget that appears when the user scrolls up, allowing quick navigation back to the bottom of the chat.
2026-01-23 17:56:06 -07:00

29 lines
786 B
Dart

import 'package:flutter/material.dart';
import '../helpers/chat_scroll_controller.dart';
class JumpToBottomButton extends StatelessWidget {
final ChatScrollController scrollController;
const JumpToBottomButton({
super.key,
required this.scrollController,
});
@override
Widget build(BuildContext context) {
return ValueListenableBuilder<bool>(
valueListenable: scrollController.showJumpToBottom,
builder: (context, show, _) {
if (!show) return const SizedBox.shrink();
return Positioned(
right: 16,
bottom: 16,
child: FloatingActionButton.small(
onPressed: scrollController.jumpToBottom,
child: const Icon(Icons.keyboard_arrow_down),
),
);
},
);
}
}