feat: 评论增加表情

lib/pages/video/detail/reply_new/toolbar_icon_button.dart

@@ -0,0 +1,40 @@
+import 'package:flutter/material.dart';
+
+class ToolbarIconButton extends StatelessWidget {
+  final VoidCallback onPressed;
+  final Icon icon;
+  final String toolbarType;
+  final bool selected;
+
+  const ToolbarIconButton({
+    super.key,
+    required this.onPressed,
+    required this.icon,
+    required this.toolbarType,
+    required this.selected,
+  });
+
+  @override
+  Widget build(BuildContext context) {
+    return SizedBox(
+      width: 36,
+      height: 36,
+      child: IconButton(
+        onPressed: onPressed,
+        icon: icon,
+        highlightColor: Theme.of(context).colorScheme.secondaryContainer,
+        color: selected
+            ? Theme.of(context).colorScheme.onSecondaryContainer
+            : Theme.of(context).colorScheme.outline,
+        style: ButtonStyle(
+          padding: MaterialStateProperty.all(EdgeInsets.zero),
+          backgroundColor: MaterialStateProperty.resolveWith((states) {
+            return selected
+                ? Theme.of(context).colorScheme.secondaryContainer
+                : null;
+          }),
+        ),
+      ),
+    );
+  }
+}