refs #317 IJoystick windows implementation

src/blackinput/win/joystick_windows.h

@@ -0,0 +1,131 @@
+/* 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.
+ */
+
+#ifndef BLACKINPUT_JOYSTICKWINDOWS_H
+#define BLACKINPUT_JOYSTICKWINDOWS_H
+
+//! \file
+
+#include "blackinput/joystick.h"
+#include "blackmisc/hwjoystickbutton.h"
+#include "blackmisc/collection.h"
+#include <QSet>
+
+#ifndef NOMINMAX
+#define NOMINMAX
+#endif
+
+#include <dinput.h>
+
+namespace BlackInput
+{
+    //! Joystick device data
+    struct CJoystickDeviceData
+    {
+        GUID guidDevice; //!< Device GUID
+        GUID guidProduct; //!< Product GUID
+        QString deviceName; //!< Device name
+        QString productName; //!< Product name
+    };
+
+    //! Joystick device input/button
+    struct CJoystickDeviceInput
+    {
+        int m_number; //!< Input number
+        int m_offset; //!< Input offset
+        QString m_name; //!< Input name
+    };
+
+    //! Equal operator
+    bool operator == (CJoystickDeviceData const &lhs, CJoystickDeviceData const &rhs);
+
+    //! Windows implemenation of IJoystick with DirectInput
+    class CJoystickWindows : public IJoystick
+    {
+        Q_OBJECT
+
+    public:
+
+        //! \brief Destructor
+        virtual ~CJoystickWindows();
+
+        //! \copydoc IJoystick::startCapture()
+        virtual void startCapture() override;
+
+        //! \copydoc IJoystick::triggerButton()
+        virtual void triggerButton(const BlackMisc::Hardware::CJoystickButton button, bool isPressed) override;
+
+    protected:
+
+        friend class IJoystick;
+
+        //! Destructor
+        CJoystickWindows(QObject *parent = nullptr);
+
+        //! Copy Constructor
+        CJoystickWindows(CJoystickWindows const &);
+
+        //! Assignment operator
+        void operator=(CJoystickWindows const &);
+
+        //! Timer based updates
+        virtual void timerEvent(QTimerEvent *event);
+
+    private:
+
+        //! Initialize DirectInput
+        HRESULT initDirectInput();
+
+        //! Enumerate all attached joystick devices
+        HRESULT enumJoystickDevices();
+
+        //! Create a joystick device
+        HRESULT createJoystickDevice();
+
+        //! Poll the device buttons
+        HRESULT pollDeviceState();
+
+        //! Creates a hidden DI helper window
+        int createHelperWindow();
+
+        //! Update and signal button status to InputManager
+        void updateAndSendButtonStatus(qint32 buttonIndex, bool isPressed);
+
+        //! Add new joystick device
+        void addJoystickDevice(const DIDEVICEINSTANCE *pdidInstance);
+
+        //! Add new joystick input/button
+        void addJoystickDeviceInput(const DIDEVICEOBJECTINSTANCE *dev);
+
+        //! Joystick enumeration callback
+        static BOOL CALLBACK enumJoysticksCallback(const DIDEVICEINSTANCE *
+                pdidInstance, VOID *pContext);
+
+        //! Joystick button enumeration callback
+        static BOOL CALLBACK enumObjectsCallback(const DIDEVICEOBJECTINSTANCE *dev, LPVOID pvRef);
+
+        IDirectInput8 *m_directInput = nullptr; //!< DirectInput object
+        IDirectInputDevice8 *m_directInputDevice = nullptr; //!< DirectInput device
+        QList<CJoystickDeviceData> m_availableJoystickDevices; //!< List of found and available joystick devices
+
+        QList<CJoystickDeviceInput> m_joystickDeviceInputs; //!< List of available device buttons
+        BlackMisc::CCollection<qint32> m_pressedButtons; //!< Collection of pressed buttons
+
+        IJoystick::Mode m_mode = ModeNominal; //!< Current working mode
+
+        static WCHAR *m_helperWindowClassName; //!< Helper window class name
+        static WCHAR *m_helperWindowName; //!< Helper window name
+        static ATOM m_helperWindowClass;
+        static HWND m_helperWindow; //!< Helper window handle
+
+    };
+
+} // namespace BlackInput
+
+#endif // BLACKINPUT_JOYSTICK_WINDOWS_H