diff --git a/Packages/vChewing_Shared/Sources/Shared/Protocols/CtlCandidateProtocol.swift b/Packages/vChewing_Shared/Sources/Shared/Protocols/CtlCandidateProtocol.swift
index ba45bd4d..6c6500a0 100644
--- a/Packages/vChewing_Shared/Sources/Shared/Protocols/CtlCandidateProtocol.swift
+++ b/Packages/vChewing_Shared/Sources/Shared/Protocols/CtlCandidateProtocol.swift
@@ -16,6 +16,7 @@ public protocol CtlCandidateDelegate {
   var selectionKeys: String { get }
   var isVerticalTyping: Bool { get }
   var isCandidateState: Bool { get }
+  var isCandidateContextMenuEnabled: Bool { get }
   var showReverseLookupResult: Bool { get }
 }
 
diff --git a/Source/Modules/SessionCtl_Delegates.swift b/Source/Modules/SessionCtl_Delegates.swift
index 8c034071..1a3287a2 100644
--- a/Source/Modules/SessionCtl_Delegates.swift
+++ b/Source/Modules/SessionCtl_Delegates.swift
@@ -57,7 +57,7 @@ extension SessionCtl: InputHandlerDelegate {
 
 extension SessionCtl: CtlCandidateDelegate {
   public var isCandidateState: Bool { state.isCandidateContainer }
-
+  public var isCandidateContextMenuEnabled: Bool { state.type == .ofCandidates }
   public var showReverseLookupResult: Bool {
     !isVerticalTyping && PrefMgr.shared.showReverseLookupInCandidateUI
   }