LanguageClient: Add the possibility to override progress messages

... and make use of it in the clangd client.
We want the progress bar for background indexing to have a better title
than the plain (and non-translated) "indexing" that the clangd server
sends.

Change-Id: Ib75eac370e7c22f0c5bd477f4a4c423283b27e1f
Reviewed-by: David Schulz <david.schulz@qt.io>

src/plugins/clangcodemodel/clangdclient.cpp

@@ -63,6 +63,7 @@ ClangdClient::ClangdClient(ProjectExplorer::Project *project, const Utils::FileP
     setClientCapabilities(caps);
     setLocatorsEnabled(false);
     setDocumentActionsEnabled(false);
+    setProgressTitleForToken("backgroundIndexProgress", tr("Parsing C/C++ Files (clangd)"));
     setCurrentProject(project);
     start();
 }

src/plugins/languageclient/client.cpp

@@ -1019,6 +1019,12 @@ void Client::setError(const QString &message)
     m_state = Error;
 }
 
+void Client::setProgressTitleForToken(const LanguageServerProtocol::ProgressToken &token,
+                                      const QString &message)
+{
+    m_progressManager.setTitleForToken(token, message);
+}
+
 void Client::handleMessage(const BaseMessage &message)
 {
     LanguageClientManager::logBaseMessage(LspLogMessage::ServerMessage, name(), message);

src/plugins/languageclient/client.h

@@ -182,6 +182,8 @@ signals:
 
 protected:
     void setError(const QString &message);
+    void setProgressTitleForToken(const LanguageServerProtocol::ProgressToken &token,
+                                  const QString &message);
     void handleMessage(const LanguageServerProtocol::BaseMessage &message);
 
 private:

src/plugins/languageclient/progressmanager.cpp

@@ -55,6 +55,12 @@ void ProgressManager::handleProgress(const LanguageServerProtocol::ProgressParam
         endProgress(token, *end);
 }
 
+void ProgressManager::setTitleForToken(const LanguageServerProtocol::ProgressToken &token,
+                                         const QString &message)
+{
+    m_titles.insert(token, message);
+}
+
 Utils::Id languageClientProgressId(const ProgressToken &token)
 {
     constexpr char k_LanguageClientProgressId[] = "LanguageClient.ProgressId.";
@@ -71,8 +77,9 @@ void ProgressManager::beginProgress(const ProgressToken &token, const WorkDonePr
     auto interface = new QFutureInterface<void>();
     interface->reportStarted();
     interface->setProgressRange(0, 100); // LSP always reports percentage of the task
+    const QString title = m_titles.value(token, begin.title());
     Core::FutureProgress *progress = Core::ProgressManager::addTask(
-            interface->future(), begin.title(), languageClientProgressId(token));
+            interface->future(), title, languageClientProgressId(token));
     m_progress[token] = {progress, interface};
     reportProgress(token, begin);
 }

src/plugins/languageclient/progressmanager.h

@@ -46,6 +46,8 @@ public:
     ProgressManager();
     ~ProgressManager();
     void handleProgress(const LanguageServerProtocol::ProgressParams &params);
+    void setTitleForToken(const LanguageServerProtocol::ProgressToken &token,
+                          const QString &message);
 
 private:
     void beginProgress(const LanguageServerProtocol::ProgressToken &token,
@@ -62,6 +64,7 @@ private:
     };
 
     QMap<LanguageServerProtocol::ProgressToken, LanguageClientProgress> m_progress;
+    QMap<LanguageServerProtocol::ProgressToken, QString> m_titles;
 };
 
 } // namespace LanguageClient