refs #317 IJoystick interface definition

src/blackinput/joystick.cpp

@@ -0,0 +1,47 @@
+/* Copyright (C) 2014
+ * swift Project Community / Contributors
+ *
+ * This file is part of swift project. It is subject to the license terms in the LICENSE file found in the top-level
+ * directory of this distribution and at http://www.swift-project.org/license.html. No part of Swift Project,
+ * including this file, may be copied, modified, propagated, or distributed except according to the terms
+ * contained in the LICENSE file.
+ */
+
+#include "joystick.h"
+
+#if defined(Q_OS_WIN)
+    #include "win/joystick_windows.h"
+#elif defined(Q_OS_LINUX)
+    #include "linux/joystick_linux.h"
+#elif defined(Q_OS_OSX)
+    #include "osx/joystick_mac.h"
+#else
+    #error "Platform is not supported!"
+#endif
+
+namespace BlackInput
+{
+    IJoystick *IJoystick::m_instance = nullptr;
+
+    IJoystick::IJoystick(QObject *parent) :
+        QObject(parent)
+    {
+    }
+
+    IJoystick *IJoystick::getInstance()
+    {
+        if (!m_instance)
+        {
+#if defined(Q_OS_WIN)
+            m_instance = new CJoystickWindows;
+#elif defined(Q_OS_LINUX)
+            m_instance = new CJoystickLinux;
+#elif defined(Q_OS_OSX)
+            m_instance = new CJoystickMac;
+#endif
+            Q_ASSERT_X(m_instance, "IJoystick::getInstance", "Pointer to IJoystick is nullptr!");
+        }
+        return m_instance;
+    }
+
+} // BlackInput