首次提交：初始化项目

2025-12-30 01:06:42 +08:00
parent 6dcba8d533
commit 9d45d4c726
141 changed files with 6186 additions and 133 deletions
--- a/lib/widgets/chat_input.dart
+++ b/lib/widgets/chat_input.dart
@@ -0,0 +1,88 @@
+import 'package:fluent_ui/fluent_ui.dart';
+
+class ChatInput extends StatefulWidget {
+  final Function(String) onSend;
+  final bool enabled;
+
+  const ChatInput({super.key, required this.onSend, this.enabled = true});
+
+  @override
+  State<ChatInput> createState() => _ChatInputState();
+}
+
+class _ChatInputState extends State<ChatInput> {
+  final TextEditingController _controller = TextEditingController();
+  final FocusNode _focusNode = FocusNode();
+  bool _hasContent = false;
+
+  @override
+  void initState() {
+    super.initState();
+    _controller.addListener(_onTextChanged);
+  }
+
+  void _onTextChanged() {
+    final hasContent = _controller.text.trim().isNotEmpty;
+    if (hasContent != _hasContent) {
+      setState(() {
+        _hasContent = hasContent;
+      });
+    }
+  }
+
+  void _sendMessage() {
+    if (_controller.text.trim().isNotEmpty && widget.enabled) {
+      widget.onSend(_controller.text.trim());
+      _controller.clear();
+      _focusNode.requestFocus();
+    }
+  }
+
+  @override
+  void dispose() {
+    _controller.dispose();
+    _focusNode.dispose();
+    super.dispose();
+  }
+
+  @override
+  Widget build(BuildContext context) {
+    final theme = FluentTheme.of(context);
+
+    return Container(
+      padding: const EdgeInsets.all(16),
+      decoration: BoxDecoration(
+        color: theme.scaffoldBackgroundColor,
+        border: Border(
+          top: BorderSide(color: theme.resources.dividerStrokeColorDefault),
+        ),
+      ),
+      child: Row(
+        crossAxisAlignment: CrossAxisAlignment.end,
+        children: [
+          Expanded(
+            child: ConstrainedBox(
+              constraints: const BoxConstraints(maxHeight: 150),
+              child: TextBox(
+                controller: _controller,
+                focusNode: _focusNode,
+                enabled: widget.enabled,
+                maxLines: null,
+                placeholder: 'Type a message...',
+                onSubmitted: (_) => _sendMessage(),
+              ),
+            ),
+          ),
+          const SizedBox(width: 12),
+          FilledButton(
+            onPressed: _hasContent && widget.enabled ? _sendMessage : null,
+            child: const Padding(
+              padding: EdgeInsets.symmetric(vertical: 8),
+              child: Icon(FluentIcons.send, size: 16),
+            ),
+          ),
+        ],
+      ),
+    );
+  }
+}