From 65ba46a10d72eef4e7312488bd7695aa665a0405 Mon Sep 17 00:00:00 2001
From: Nils Brederlow <62596379+dingodoppelt@users.noreply.github.com>
Date: Mon, 6 Jul 2026 18:58:16 +0200
Subject: [PATCH 1/2] add jamulusclient/setInstrumentCode JSONRPC method

---
 docs/JSON-RPC.md  | 17 +++++++++++++++++
 src/clientrpc.cpp | 26 ++++++++++++++++++++++++++
 2 files changed, 43 insertions(+)

diff --git a/docs/JSON-RPC.md b/docs/JSON-RPC.md
index e9111187f4..48e2398e3f 100644
--- a/docs/JSON-RPC.md
+++ b/docs/JSON-RPC.md
@@ -274,6 +274,23 @@ Results:
 | result | string | Always "ok". |
 
 
+### jamulusclient/setInstrumentCode
+
+Sets your instrument code.
+
+Parameters:
+
+| Name | Type | Description |
+| --- | --- | --- |
+| params.instrCode | number | The new instrument code. |
+
+Results:
+
+| Name | Type | Description |
+| --- | --- | --- |
+| result | string | Always "ok". |
+
+
 ### jamulusclient/setMidiSettings
 
 Sets one or more MIDI controller settings.
diff --git a/src/clientrpc.cpp b/src/clientrpc.cpp
index 9ba7060a1d..3d8865f138 100644
--- a/src/clientrpc.cpp
+++ b/src/clientrpc.cpp
@@ -331,6 +331,32 @@ CClientRpc::CClientRpc ( CClient* pClient, CClientSettings* pSettings, CRpcServe
         response["result"] = "ok";
     } );
 
+    /// @rpc_method jamulusclient/setInstrumentCode
+    /// @brief Sets your instrument code.
+    /// @param {number} params.instrCode - The new instrument code.
+    /// @result {string} result - Always "ok".
+    pRpcServer->HandleMethod ( "jamulusclient/setInstrumentCode", [=] ( const QJsonObject& params, QJsonObject& response ) {
+        auto jsonInstrCode = params["instrCode"];
+
+        if ( !jsonInstrCode.isDouble() )
+        {
+            response["error"] = CRpcServer::CreateJsonRpcError ( CRpcServer::iErrInvalidParams, "Invalid params: instrCode is not a number" );
+            return;
+        }
+
+        const int _iInstrument = jsonInstrCode.toInt();
+
+        if ( CInstPictures::GetName ( _iInstrument ).isEmpty() )
+        {
+            response["error"] = CRpcServer::CreateJsonRpcError ( CRpcServer::iErrInvalidParams, "Invalid params: unknown instrCode" );
+            return;
+        }
+
+        pClient->ChannelInfo.iInstrument = _iInstrument;
+        pClient->SetRemoteInfo();
+        response["result"] = "ok";
+    } );
+
     /// @rpc_method jamulusclient/sendChatText
     /// @brief Sends a chat text message.
     /// @param {string} params.chatText - The chat text message.

From 141f6c2b5599adc6ad383fb2c314a12be77c3674 Mon Sep 17 00:00:00 2001
From: Nils Brederlow <62596379+dingodoppelt@users.noreply.github.com>
Date: Tue, 21 Jul 2026 18:28:23 +0200
Subject: [PATCH 2/2] Fix style

---
 src/clientrpc.cpp | 6 +++---
 1 file changed, 3 insertions(+), 3 deletions(-)

diff --git a/src/clientrpc.cpp b/src/clientrpc.cpp
index 3d8865f138..ebab2f3532 100644
--- a/src/clientrpc.cpp
+++ b/src/clientrpc.cpp
@@ -344,15 +344,15 @@ CClientRpc::CClientRpc ( CClient* pClient, CClientSettings* pSettings, CRpcServe
             return;
         }
 
-        const int _iInstrument = jsonInstrCode.toInt();
+        const int iNInstrument = jsonInstrCode.toInt();
 
-        if ( CInstPictures::GetName ( _iInstrument ).isEmpty() )
+        if ( CInstPictures::GetName ( iNInstrument ).isEmpty() )
         {
             response["error"] = CRpcServer::CreateJsonRpcError ( CRpcServer::iErrInvalidParams, "Invalid params: unknown instrCode" );
             return;
         }
 
-        pClient->ChannelInfo.iInstrument = _iInstrument;
+        pClient->ChannelInfo.iInstrument = iNInstrument;
         pClient->SetRemoteInfo();
         response["result"] = "ok";
     } );