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/typing_indicator.dart
+++ b/lib/widgets/typing_indicator.dart
@@ -0,0 +1,99 @@
+import 'package:fluent_ui/fluent_ui.dart';
+
+class TypingIndicator extends StatefulWidget {
+  const TypingIndicator({super.key});
+
+  @override
+  State<TypingIndicator> createState() => _TypingIndicatorState();
+}
+
+class _TypingIndicatorState extends State<TypingIndicator>
+    with TickerProviderStateMixin {
+  late List<AnimationController> _controllers;
+  late List<Animation<double>> _animations;
+
+  @override
+  void initState() {
+    super.initState();
+    _controllers = List.generate(
+      3,
+      (index) => AnimationController(
+        duration: const Duration(milliseconds: 600),
+        vsync: this,
+      ),
+    );
+
+    _animations = _controllers.map((controller) {
+      return Tween<double>(
+        begin: 0,
+        end: -8,
+      ).animate(CurvedAnimation(parent: controller, curve: Curves.easeInOut));
+    }).toList();
+
+    for (int i = 0; i < _controllers.length; i++) {
+      Future.delayed(Duration(milliseconds: i * 150), () {
+        if (mounted) {
+          _controllers[i].repeat(reverse: true);
+        }
+      });
+    }
+  }
+
+  @override
+  void dispose() {
+    for (var controller in _controllers) {
+      controller.dispose();
+    }
+    super.dispose();
+  }
+
+  @override
+  Widget build(BuildContext context) {
+    final theme = FluentTheme.of(context);
+
+    return Padding(
+      padding: const EdgeInsets.only(bottom: 16),
+      child: Row(
+        crossAxisAlignment: CrossAxisAlignment.start,
+        children: [
+          Container(
+            width: 36,
+            height: 36,
+            decoration: BoxDecoration(
+              color: theme.accentColor,
+              borderRadius: BorderRadius.circular(8),
+            ),
+            child: const Icon(FluentIcons.robot, color: Colors.white, size: 18),
+          ),
+          const SizedBox(width: 12),
+          Card(
+            padding: const EdgeInsets.symmetric(horizontal: 20, vertical: 16),
+            child: Row(
+              mainAxisSize: MainAxisSize.min,
+              children: List.generate(3, (index) {
+                return AnimatedBuilder(
+                  animation: _animations[index],
+                  builder: (context, child) {
+                    return Transform.translate(
+                      offset: Offset(0, _animations[index].value),
+                      child: child,
+                    );
+                  },
+                  child: Container(
+                    margin: EdgeInsets.only(right: index < 2 ? 6 : 0),
+                    width: 8,
+                    height: 8,
+                    decoration: BoxDecoration(
+                      color: theme.accentColor,
+                      shape: BoxShape.circle,
+                    ),
+                  ),
+                );
+              }),
+            ),
+          ),
+        ],
+      ),
+    );
+  }
+}