Support SDL GameController

gui/include/controllermanager.h

@@ -0,0 +1,96 @@
+/*
+ * This file is part of Chiaki.
+ *
+ * Chiaki is free software: you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by
+ * the Free Software Foundation, either version 3 of the License, or
+ * (at your option) any later version.
+ *
+ * Chiaki is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with Chiaki.  If not, see <https://www.gnu.org/licenses/>.
+ */
+
+#ifndef CHIAKI_CONTROLLERMANAGER_H
+#define CHIAKI_CONTROLLERMANAGER_H
+
+#include <chiaki/controller.h>
+
+#include <QObject>
+#include <QSet>
+#include <QMap>
+#include <QString>
+
+#ifdef CHIAKI_GUI_ENABLE_SDL_GAMECONTROLLER
+#include <SDL.h>
+#endif
+
+class Controller;
+
+class ControllerManager : public QObject
+{
+	Q_OBJECT
+
+	friend class Controller;
+
+	private:
+#ifdef CHIAKI_GUI_ENABLE_SDL_GAMECONTROLLER
+		QSet<SDL_JoystickID> available_controllers;
+#endif
+		QMap<int, Controller *> open_controllers;
+
+		void ControllerClosed(Controller *controller);
+
+	private slots:
+		void UpdateAvailableControllers();
+		void HandleEvents();
+		void ControllerEvent(int device_id);
+
+	public:
+		static ControllerManager *GetInstance();
+
+		ControllerManager(QObject *parent = nullptr);
+		~ControllerManager();
+
+		QList<int> GetAvailableControllers();
+		Controller *OpenController(int device_id);
+
+	signals:
+		void AvailableControllersUpdated();
+};
+
+class Controller : public QObject
+{
+	Q_OBJECT
+
+	friend class ControllerManager;
+
+	private:
+		Controller(int device_id, ControllerManager *manager);
+
+		void UpdateState();
+
+		ControllerManager *manager;
+		int id;
+
+#ifdef CHIAKI_GUI_ENABLE_SDL_GAMECONTROLLER
+		SDL_GameController *controller;
+#endif
+
+	public:
+		~Controller();
+
+		bool IsConnected();
+		int GetDeviceID();
+		QString GetName();
+		ChiakiControllerState GetState();
+
+	signals:
+		void StateChanged();
+};
+
+#endif // CHIAKI_CONTROLLERMANAGER_H

gui/include/streamsession.h

@@ -21,6 +21,7 @@
 #include "videodecoder.h"
 #include "exception.h"
 #include "sessionlog.h"
+#include "controllermanager.h"
 
 #include <QObject>
 #include <QImage>
@@ -68,6 +69,7 @@ class StreamSession : public QObject
 #if CHIAKI_GUI_ENABLE_QT_GAMEPAD
 		QGamepad *gamepad;
 #endif
+		Controller *controller;
 
 		ChiakiControllerState keyboard_state;
 
@@ -93,6 +95,7 @@ class StreamSession : public QObject
 #if CHIAKI_GUI_ENABLE_QT_GAMEPAD
 		QGamepad *GetGamepad()	{ return gamepad; }
 #endif
+		Controller *GetController()	{ return controller; }
 		VideoDecoder *GetVideoDecoder()	{ return &video_decoder; }
 
 		void HandleKeyboardEvent(QKeyEvent *event);
@@ -102,9 +105,7 @@ class StreamSession : public QObject
 		void SessionQuit(ChiakiQuitReason reason, const QString &reason_str);
 
 	private slots:
-#if CHIAKI_GUI_ENABLE_QT_GAMEPAD
 		void UpdateGamepads();
-#endif
 		void SendFeedbackState();
 };