LanguageClient: allow adding settings via the manager

This adds the possibility to configure language servers
from other plugins.

Change-Id: I33c7d637ddd73dcfc0d02c366b8b9749ac1c2b98
Reviewed-by: Christian Stenger <christian.stenger@qt.io>

src/plugins/languageclient/languageclientmanager.cpp

@@ -277,6 +277,13 @@ QList<BaseSettings *> LanguageClientManager::currentSettings()
     return managerInstance->m_currentSettings;
 }
 
+void LanguageClientManager::registerClientSettings(BaseSettings *settings)
+{
+    QTC_ASSERT(managerInstance, return);
+    LanguageClientSettings::addSettings(settings);
+    managerInstance->applySettings();
+}
+
 QVector<Client *> LanguageClientManager::clientForSetting(const BaseSettings *setting)
 {
     QTC_ASSERT(managerInstance, return {});

src/plugins/languageclient/languageclientmanager.h

@@ -75,6 +75,7 @@ public:
 
     static void applySettings();
     static QList<BaseSettings *> currentSettings();
+    static void registerClientSettings(BaseSettings *settings);
     static QVector<Client *> clientForSetting(const BaseSettings *setting);
     static const BaseSettings *settingForClient(Client *setting);
     static Client *clientForDocument(TextEditor::TextDocument *document);

src/plugins/languageclient/languageclientsettings.cpp

@@ -100,6 +100,7 @@ public:
 
     void reset(const QList<BaseSettings *> &settings);
     QList<BaseSettings *> settings() const { return m_settings; }
+    void insertSettings(BaseSettings *settings);
     QList<BaseSettings *> removed() const { return m_removed; }
     BaseSettings *settingForIndex(const QModelIndex &index) const;
     QModelIndex indexForSetting(BaseSettings *setting) const;
@@ -146,6 +147,7 @@ public:
     void finish() override;
 
     QList<BaseSettings *> settings() const;
+    void addSettings(BaseSettings *settings);
 
 private:
     LanguageClientSettingsModel m_model;
@@ -304,6 +306,11 @@ QList<BaseSettings *> LanguageClientSettingsPage::settings() const
     return m_model.settings();
 }
 
+void LanguageClientSettingsPage::addSettings(BaseSettings *settings)
+{
+    m_model.insertSettings(settings);
+}
+
 LanguageClientSettingsModel::~LanguageClientSettingsModel()
 {
     qDeleteAll(m_settings);
@@ -420,6 +427,14 @@ void LanguageClientSettingsModel::reset(const QList<BaseSettings *> &settings)
     endResetModel();
 }
 
+void LanguageClientSettingsModel::insertSettings(BaseSettings *settings)
+{
+    int row = rowCount();
+    beginInsertRows(QModelIndex(), row, row);
+    m_settings.insert(row, settings);
+    endInsertRows();
+}
+
 BaseSettings *LanguageClientSettingsModel::settingForIndex(const QModelIndex &index) const
 {
     if (!index.isValid() || index.row() >= m_settings.size())
@@ -528,6 +543,11 @@ QList<BaseSettings *> LanguageClientSettings::currentPageSettings()
     return settingsPage().settings();
 }
 
+void LanguageClientSettings::addSettings(BaseSettings *settings)
+{
+    settingsPage().addSettings(settings);
+}
+
 void LanguageClientSettings::toSettings(QSettings *settings,
                                         const QList<BaseSettings *> &languageClientSettings)
 {

src/plugins/languageclient/languageclientsettings.h

@@ -135,6 +135,7 @@ public:
     static void init();
     static QList<BaseSettings *> fromSettings(QSettings *settings);
     static QList<BaseSettings *> currentPageSettings();
+    static void addSettings(BaseSettings *settings);
     static void toSettings(QSettings *settings, const QList<BaseSettings *> &languageClientSettings);
 };