Added lazy loading

WebSocketController.cpp

@@ -15,7 +15,6 @@ WebSocketController::WebSocketController(QLineEdit *urlEdit,
 {}
 
 QWebSocket *WebSocketController::socket() { return &m_socket; }
-
 void WebSocketController::addLogView(QTextEdit *log) { m_logs.append(log); }
 
 void WebSocketController::setSettingsTree(SettingsTree *tree)
@@ -33,6 +32,43 @@ bool WebSocketController::isConnected() const
     return m_socket.state() == QAbstractSocket::ConnectedState;
 }
 
+// ----------------------------------------------------------------
+// Lazy loaders — called ONLY when user clicks a tab for first time
+// ----------------------------------------------------------------
+
+void WebSocketController::requestGamesData()
+{
+    if (!isConnected() || m_gamesRequested) return;
+    m_gamesRequested = true;
+    broadcast("-- Loading games tab --");
+    sendCommand(QStringLiteral("GAM list"));
+}
+
+void WebSocketController::requestVersionsData()
+{
+    if (!isConnected() || m_versionsRequested) return;
+    m_versionsRequested = true;
+    broadcast("-- Loading versions tab --");
+    sendCommand(QStringLiteral("NAM"));
+    sendCommand(QStringLiteral("VER"));
+    sendCommand(QStringLiteral("UID"));
+    sendCommand(QStringLiteral("RNP"));
+    // Slave VER/UID loop fires in handleProtocol when RNP reply arrives
+}
+
+void WebSocketController::requestSettingsData()
+{
+    if (!isConnected() || m_settingsRequested) return;
+    m_settingsRequested = true;
+    broadcast("-- Loading settings tab --");
+    sendCommand(QStringLiteral("GBL List"));
+    // Individual GBL <key> loop fires in handleProtocol when List reply arrives
+}
+
+// ----------------------------------------------------------------
+// Connection
+// ----------------------------------------------------------------
+
 void WebSocketController::startConnection()
 {
     const QUrl url(m_urlEdit->text().trimmed());
@@ -47,6 +83,9 @@ void WebSocketController::closeConnection()
     broadcast("Closing connection");
     m_settingsKeys.clear();
     m_rnpCount           = -1;
+    m_gamesRequested     = false;
+    m_versionsRequested  = false;
+    m_settingsRequested  = false;
     if (m_versionsPanel) m_versionsPanel->reset();
     m_socket.close();
 }
@@ -60,16 +99,13 @@ void WebSocketController::sendCommand(const QString &cmd)
 
 void WebSocketController::onConnected()
 {
+    // Send NOTHING here — all data is lazy-loaded on tab click
     broadcast("Connected");
     m_statusLabel->setText("Connected");
     m_rnpCount          = -1;
-
-    sendCommand(QStringLiteral("GBL List"));
-    sendCommand(QStringLiteral("GAM list"));
-    sendCommand(QStringLiteral("NAM"));
-    sendCommand(QStringLiteral("VER"));
-    sendCommand(QStringLiteral("UID"));
-    sendCommand(QStringLiteral("RNP"));
+    m_gamesRequested    = false;
+    m_versionsRequested = false;
+    m_settingsRequested = false;
 }
 
 void WebSocketController::onDisconnected()
@@ -78,6 +114,9 @@ void WebSocketController::onDisconnected()
     m_statusLabel->setText("Disconnected");
     m_settingsKeys.clear();
     m_rnpCount          = -1;
+    m_gamesRequested    = false;
+    m_versionsRequested = false;
+    m_settingsRequested = false;
 }
 
 void WebSocketController::onTextMessageReceived(const QString &msg)
@@ -98,6 +137,10 @@ void WebSocketController::onValueEdited(const QString &key, const QString &newVa
     sendCommand(QString("GBL %1").arg(key));
 }
 
+// ----------------------------------------------------------------
+// Protocol handler
+// ----------------------------------------------------------------
+
 void WebSocketController::handleProtocol(const QString &msg)
 {
     const QStringList tokens = msg.split(' ', Qt::SkipEmptyParts);
@@ -124,7 +167,7 @@ void WebSocketController::handleProtocol(const QString &msg)
         return;
     }
 
-    // RNP <count>
+    // RNP <count> — triggers the slave loop
     if (cmd == "RNP" && tokens.size() >= 2) {
         bool ok = false;
         const int count = tokens[1].toInt(&ok);

WebSocketController.h

@@ -25,6 +25,11 @@ public:
     void setVersionsPanel(VersionsPanel *panel);
     bool isConnected() const;
 
+    // Called by main when user selects a tab for the first time
+    void requestGamesData();
+    void requestVersionsData();
+    void requestSettingsData();
+
 public slots:
     void startConnection();
     void closeConnection();
@@ -49,4 +54,8 @@ private:
     VersionsPanel     *m_versionsPanel      = nullptr;
     QStringList        m_settingsKeys;
     int                m_rnpCount           = -1;
+
+    bool               m_gamesRequested     = false;
+    bool               m_versionsRequested  = false;
+    bool               m_settingsRequested  = false;
 };

main.cpp

@@ -14,6 +14,14 @@
 #include "VersionsPanel.h"
 #include "WebSocketController.h"
 
+// Must match tabs->addTab order below
+static constexpr int TAB_GAMES    = 0;
+static constexpr int TAB_VERSIONS = 1;
+static constexpr int TAB_MANUAL   = 2;
+static constexpr int TAB_SETTINGS = 3;
+static constexpr int TAB_POWER    = 4;
+static constexpr int TAB_PANELS   = 5;
+
 static QWidget *makeGamesTab(WebSocketController *ctrl, QWidget *parent)
 {
     auto *panel = new GamesPanel(parent);
@@ -35,7 +43,7 @@ static QWidget *makeSettingsTab(WebSocketController *ctrl, QWidget *parent)
     layout->setContentsMargins(2, 2, 2, 2);
     auto *tree = new SettingsTree(page);
     auto *ph   = new QTreeWidgetItem(tree);
-    ph->setText(0, "Connect to load settings...");
+    ph->setText(0, "Click the settings tab to load...");
     layout->addWidget(tree, 1);
     ctrl->setSettingsTree(tree);
     return page;
@@ -99,7 +107,6 @@ int main(int argc, char *argv[])
     mainLayout->setContentsMargins(6, 6, 6, 6);
     mainLayout->setSpacing(4);
 
-    // --- Header bar ---
     auto *headerRow     = new QHBoxLayout();
     auto *urlEdit       = new QLineEdit(&window);
     urlEdit->setPlaceholderText("ws://127.0.0.1:3491/");
@@ -116,20 +123,28 @@ int main(int argc, char *argv[])
     headerRow->addWidget(statusLabel);
     mainLayout->addLayout(headerRow);
 
-    // --- Controller ---
     auto *ctrl = new WebSocketController(urlEdit, statusLabel, &window);
 
-    // --- Tabs ---
     auto *tabs = new QTabWidget(&window);
-    tabs->addTab(makeGamesTab   (ctrl, &window), "games");
-    tabs->addTab(makeVersionsTab(ctrl, &window), "versions");
-    tabs->addTab(makeManualTab  (ctrl, &window), "manual");
-    tabs->addTab(makeSettingsTab(ctrl, &window), "settings");
-    tabs->addTab(makePlaceholder("Power",  &window), "power");
-    tabs->addTab(makePanelsTab  (ctrl, &window), "panels");
+    tabs->addTab(makeGamesTab   (ctrl, &window), "games");    // 0
+    tabs->addTab(makeVersionsTab(ctrl, &window), "versions"); // 1
+    tabs->addTab(makeManualTab  (ctrl, &window), "manual");   // 2
+    tabs->addTab(makeSettingsTab(ctrl, &window), "settings"); // 3
+    tabs->addTab(makePlaceholder("Power content here", &window), "power"); // 4
+    tabs->addTab(makePanelsTab  (ctrl, &window), "panels");   // 5
     mainLayout->addWidget(tabs, 1);
 
-    // --- Wire up buttons ---
+    // Lazy load: each tab fires its own data request on FIRST click only
+    QObject::connect(tabs, &QTabWidget::currentChanged, &window,
+                     [ctrl](int index) {
+        switch (index) {
+            case TAB_GAMES:    ctrl->requestGamesData();    break;
+            case TAB_VERSIONS: ctrl->requestVersionsData(); break;
+            case TAB_SETTINGS: ctrl->requestSettingsData(); break;
+            default: break;
+        }
+    });
+
     QObject::connect(connectBtn,    &QPushButton::clicked, ctrl, &WebSocketController::startConnection);
     QObject::connect(disconnectBtn, &QPushButton::clicked, ctrl, &WebSocketController::closeConnection);
 
@@ -139,10 +154,12 @@ int main(int argc, char *argv[])
     QObject::connect(ctrl->socket(), &QWebSocket::errorOccurred,       ctrl, &WebSocketController::onErrorOccurred);
 
     QObject::connect(ctrl->socket(), &QWebSocket::connected, &window, [connectBtn, disconnectBtn]() {
-        connectBtn->setEnabled(false); disconnectBtn->setEnabled(true);
+        connectBtn->setEnabled(false);
+        disconnectBtn->setEnabled(true);
     });
     QObject::connect(ctrl->socket(), &QWebSocket::disconnected, &window, [connectBtn, disconnectBtn]() {
-        connectBtn->setEnabled(true);  disconnectBtn->setEnabled(false);
+        connectBtn->setEnabled(true);
+        disconnectBtn->setEnabled(false);
     });
 
     window.resize(1050, 620);