opt context menu

Signed-off-by: dom <githubaccount56556@proton.me>

lib/common/widgets/context_menu/live_menu_helper.dart

@@ -0,0 +1,40 @@
+part of 'package:PiliPlus/pages/live_room/superchat/superchat_card.dart';
+
+Widget scMenuBuilder(
+  BuildContext context,
+  SelectableRegionState state,
+) {
+  final buttonItems = state.contextMenuButtonItems;
+  if (state.isUncollapsed) {
+    buttonItems
+      ..insertOrAdd(
+        3,
+        ContextMenuButtonItem(
+          label: '视频',
+          onPressed: () {
+            state.onMenuPressed(
+              (text) => PiliScheme.videoPush(null, text),
+            );
+          },
+        ),
+      )
+      ..insertOrAdd(
+        4,
+        ContextMenuButtonItem(
+          label: '搜索',
+          onPressed: () {
+            state.onMenuPressed(
+              (text) => Get.toNamed(
+                '/searchResult',
+                parameters: {'keyword': text},
+              ),
+            );
+          },
+        ),
+      );
+  }
+  return AdaptiveTextSelectionToolbar.buttonItems(
+    buttonItems: buttonItems,
+    anchors: state.contextMenuAnchors,
+  );
+}