🚀 feat(_ext): extend files

controller_application.h

@@ -0,0 +1,27 @@
+#ifndef CONTROLLER_APPLICATION_H
+#define CONTROLLER_APPLICATION_H
+#include <QMap>
+#include <QSettings>
+#include <QSystemTrayIcon>
+
+class ControllerApplication {
+public:
+    static ControllerApplication *ins();
+    QMap<QString, QString> getLanguageList() const;
+    // void loadLanguageList();
+    void updateStylesheet();
+    QString getStylesheetFileContent() const;
+    QSettings *getStyleValues() const;
+    QSystemTrayIcon *getTrayIcon();
+
+private:
+    static ControllerApplication *instance;
+    ControllerApplication();
+
+private:
+    QSystemTrayIcon *eTrayIcon;
+    QSettings *eStyleValue;
+    QString stFileContent;
+};
+
+#endif // CONTROLLER_APPLICATION_H