qt: daemon now operates in the background thread; added Quit GUI button

qt/i2pd_qt/DaemonQT.h

@@ -1,4 +1,66 @@
 #ifndef DAEMONQT_H
 #define DAEMONQT_H
 
+#include <QObject>
+#include <QThread>
+
+namespace i2p
+{
+namespace util
+{
+namespace DaemonQt
+{
+    class Worker : public QObject
+    {
+        Q_OBJECT
+
+    public slots:
+        void startDaemon();
+        void restartDaemon();
+        void stopDaemon();
+
+    signals:
+        void resultReady();
+    };
+
+    class DaemonQTImpl
+    {
+    public:
+        typedef void (*runningChangedCallback)();
+
+        /**
+         * @brief init
+         * @param argc
+         * @param argv
+         * @return success
+         */
+        bool static init(int argc, char* argv[]);
+        void static deinit();
+        void static start();
+        void static stop();
+        void static restart();
+        void static setRunningCallback(runningChangedCallback cb);
+        bool static isRunning();
+    private:
+        void static setRunning(bool running);
+    };
+
+    class Controller : public QObject
+    {
+        Q_OBJECT
+        QThread workerThread;
+    public:
+        Controller();
+        ~Controller();
+    public slots:
+        void handleResults(){}
+    signals:
+        void startDaemon();
+        void stopDaemon();
+        void restartDaemon();
+    };
+}
+}
+}
+
 #endif // DAEMONQT_H