Qt: Fix launching with -g (fixes #1018)

src/platform/qt/DebuggerController.cpp

@@ -32,6 +32,10 @@ void DebuggerController::setController(std::shared_ptr<CoreController> controlle
 		connect(m_gameController.get(), &CoreController::stopping, [this]() {
 			setController(nullptr);
 		});
+		if (m_autoattach) {
+			m_autoattach = false;
+			attach();
+		}
 	}
 }
 
@@ -43,18 +47,21 @@ void DebuggerController::attach() {
 		attachInternal();
 		m_gameController->setDebugger(m_debugger);
 		mDebuggerEnter(m_debugger, DEBUGGER_ENTER_ATTACHED, 0);
+	} else {
+		m_autoattach = true;
 	}
 }
 
 void DebuggerController::detach() {
-	QObject::disconnect(m_autoattach);
 	if (!isAttached()) {
 		return;
 	}
 	if (m_gameController) {
 		CoreController::Interrupter interrupter(m_gameController);
 		shutdownInternal();
 		m_gameController->setDebugger(nullptr);
+	} else {
+		m_autoattach = false;
 	}
 }
 
@@ -67,7 +74,7 @@ void DebuggerController::breakInto() {
 }
 
 void DebuggerController::shutdown() {
-	QObject::disconnect(m_autoattach);
+	m_autoattach = false;
 	if (!isAttached()) {
 		return;
 	}

src/platform/qt/DebuggerController.h

@@ -39,7 +39,7 @@ public slots:
 	std::shared_ptr<CoreController> m_gameController;
 
 private:
-	QMetaObject::Connection m_autoattach;
+	bool m_autoattach = false;
 };
 
 }

src/platform/qt/GDBController.cpp

@@ -34,7 +34,6 @@ void GDBController::setBindAddress(uint32_t bindAddress) {
 }
 
 void GDBController::listen() {
-	CoreController::Interrupter interrupter(m_gameController);
 	if (!isAttached()) {
 		attach();
 	}

src/platform/qt/Window.cpp

@@ -175,6 +175,9 @@ void Window::argumentsPassed(mArguments* args) {
 	if (args->debuggerType == DEBUGGER_GDB) {
 		if (!m_gdbController) {
 			m_gdbController = new GDBController(this);
+			if (m_controller) {
+				m_gdbController->setController(m_controller);
+			}
 			m_gdbController->listen();
 		}
 	}