feat：参照研听的基础工程

2026-06-18 15:02:28 +08:00
commit 364fc837b3
367 changed files with 16495 additions and 0 deletions
@@ -0,0 +1,54 @@
+import 'package:flutter/material.dart';
+import 'package:flutter_remix/flutter_remix.dart';
+import 'package:go_router/go_router.dart';
+import 'package:shadcn_ui/shadcn_ui.dart';
+
+/// 圆形返回钮（对齐 demo `.back`：38×38 圆 + 1px 描边 + chevron）。
+/// 左对齐到 12px（demo `.dhead` padding-left），用作各页 AppBar 的 leading。
+class CircleBackButton extends StatelessWidget {
+  const CircleBackButton({
+    super.key,
+    this.onTap,
+    this.fallbackLocation = '/assets',
+  });
+
+  final VoidCallback? onTap;
+  final String fallbackLocation;
+
+  @override
+  Widget build(BuildContext context) {
+    final cs = ShadTheme.of(context).colorScheme;
+    return Align(
+      alignment: Alignment.centerLeft,
+      child: Padding(
+        padding: const EdgeInsets.only(left: 12),
+        child: GestureDetector(
+          behavior: HitTestBehavior.opaque,
+          onTap:
+              onTap ??
+              () {
+                if (context.canPop()) {
+                  context.pop();
+                } else {
+                  context.go(fallbackLocation);
+                }
+              },
+          child: Container(
+            width: 38,
+            height: 38,
+            alignment: Alignment.center,
+            decoration: BoxDecoration(
+              shape: BoxShape.circle,
+              border: Border.all(color: cs.border, width: 1),
+            ),
+            child: Icon(
+              FlutterRemix.arrow_left_s_line,
+              size: 22,
+              color: cs.foreground,
+            ),
+          ),
+        ),
+      ),
+    );
+  }
+}