Run heavy startup operations after initial UI rendering

Author: uglide

src/app/app.cpp

@@ -100,6 +100,10 @@ void Application::initModels() {
   m_connections = QSharedPointer<ConnectionsManager>(
       new ConnectionsManager(config, m_events));
 
+  QTimer::singleShot(500, [this]() {
+    if (m_connections) m_connections->loadConnections();
+  });
+
   m_bulkOperations = QSharedPointer<BulkOperations::Manager>(
       new BulkOperations::Manager(m_connections, m_python));
 
@@ -147,7 +151,9 @@ void Application::initModels() {
     m_formattersManager->setPath(m_formattersDir);
   }
 
-  m_formattersManager->loadFormatters();
+  QTimer::singleShot(1000, [this]() {
+    if (m_formattersManager) m_formattersManager->loadFormatters();
+  });
 #endif
 
   m_embeddedFormatters = QSharedPointer<ValueEditor::EmbeddedFormattersManager>(

src/app/models/connectionsmanager.cpp

@@ -15,16 +15,20 @@
 ConnectionsManager::ConnectionsManager(const QString& configPath,
                                        QSharedPointer<Events> events)
     : ConnectionsTree::Model(), m_configPath(configPath), m_events(events) {
-  if (!configPath.isEmpty() && QFile::exists(configPath)) {
-    loadConnectionsConfigFromFile(configPath);
-  }
-
   connect(this, &ConnectionsTree::Model::error, m_events.data(),
           &Events::error);
 }
 
 ConnectionsManager::~ConnectionsManager(void) {}
 
+void ConnectionsManager::loadConnections() {
+  if (!m_configPath.isEmpty() && QFile::exists(m_configPath)) {
+    loadConnectionsConfigFromFile(m_configPath);
+  }
+
+  emit connectionsLoaded();
+}
+
 void ConnectionsManager::addNewConnection(
     const ServerConfig& config, bool saveToConfig,
     QSharedPointer<ConnectionsTree::ServerGroup> group) {

src/app/models/connectionsmanager.h

@@ -29,6 +29,8 @@ class ConnectionsManager : public ConnectionsTree::Model,
 
   ~ConnectionsManager(void);
 
+  void loadConnections();
+
   Q_INVOKABLE void addNewConnection(const ServerConfig& config,
                                     bool saveToConfig = true,
                                     QSharedPointer<ConnectionsTree::ServerGroup> group =
@@ -68,6 +70,8 @@ class ConnectionsManager : public ConnectionsTree::Model,
 
   void sizeChanged();
 
+  void connectionsLoaded();
+
  protected:
   bool loadConnectionsConfigFromFile(const QString& config,
                                      bool saveChangesToFile = false);

src/qml/app.qml

@@ -205,7 +205,7 @@ ApplicationWindow {
             connectionGroupDialog.open()
         }
 
-        Component.onCompleted: {
+        function onConnectionsLoaded() {
             if (connectionsManager.size() === 0)
                 quickStartDialog.open()
         }