2 files changed, 24 insertions, 0 deletions
diff --git a/lang/cpp/src/context.cpp b/lang/cpp/src/context.cpp
index 89bc3fd7..568e0458 100644
--- a/lang/cpp/src/context.cpp
+++ b/lang/cpp/src/context.cpp
@@ -195,6 +195,19 @@ std::ostream &operator<<(std::ostream &os, const Error &err)
     return os << "GpgME::Error(" << err.encodedError() << " (" << err.asString() << "))";
 }
 
+Context::KeyListModeSaver::KeyListModeSaver(Context *ctx)
+    : mCtx{ctx}
+    , mKeyListMode{ctx ? ctx->keyListMode() : 0}
+{
+}
+
+Context::KeyListModeSaver::~KeyListModeSaver()
+{
+    if (mCtx) {
+        mCtx->setKeyListMode(mKeyListMode);
+    }
+}
+
 Context::Context(gpgme_ctx_t ctx) : d(new Private(ctx))
 {
 }
diff --git a/lang/cpp/src/context.h b/lang/cpp/src/context.h
index 9c2b2a5f..04a1e00a 100644
--- a/lang/cpp/src/context.h
+++ b/lang/cpp/src/context.h
@@ -64,6 +64,17 @@ class GPGMEPP_EXPORT Context
 public:
     //using GpgME::Protocol;
 
+    /// RAII-style class for saving/restoring the key list mode.
+    class KeyListModeSaver
+    {
+    public:
+        explicit KeyListModeSaver(Context *ctx);
+        ~KeyListModeSaver();
+    private:
+        Context *mCtx;
+        unsigned int mKeyListMode;
+    };
+
     //
     // Creation and destruction:
     //