ClangD: skip automatic code action request

.. after receiving diagnostics since the code actions are already
inlined into the diagnostics.

Change-Id: I11ed1270344ff5119dd111503d173eef2f340c1d
Reviewed-by: Christian Kandeler <christian.kandeler@qt.io>

src/plugins/clangcodemodel/clangdclient.cpp

@@ -755,6 +755,7 @@ ClangdClient::ClangdClient(Project *project, const Utils::FilePath &jsonDbDir)
     caps.clearExperimental();
     setClientCapabilities(caps);
     setLocatorsEnabled(false);
+    setAutoRequestCodeActions(false); // clangd sends code actions inside diagnostics
     setProgressTitleForToken(indexingToken(), tr("Parsing C/C++ Files (clangd)"));
     setCurrentProject(project);
 

src/plugins/languageclient/client.cpp

@@ -1317,6 +1317,7 @@ void Client::handleDiagnostics(const PublishDiagnosticsParams &params)
     m_diagnosticManager.setDiagnostics(uri, diagnostics, params.version());
     if (LanguageClientManager::clientForUri(uri) == this) {
         m_diagnosticManager.showDiagnostics(uri, m_documentVersions.value(uri.toFilePath()));
+        if (m_autoRequestCodeActions)
             requestCodeActions(uri, diagnostics);
     }
 }

src/plugins/languageclient/client.h

@@ -128,6 +128,7 @@ public:
 
     void setLocatorsEnabled(bool enabled) { m_locatorsEnabled = enabled; }
     bool locatorsEnabled() const { return m_locatorsEnabled; }
+    void setAutoRequestCodeActions(bool enabled) { m_autoRequestCodeActions = enabled; }
 
     // document synchronization
     void setSupportedLanguage(const LanguageFilter &filter);
@@ -281,6 +282,7 @@ private:
     QString m_serverVersion;
     LanguageServerProtocol::SymbolStringifier m_symbolStringifier;
     bool m_locatorsEnabled = true;
+    bool m_autoRequestCodeActions = true;
 };
 
 } // namespace LanguageClient