wgldevice.h

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/*
    This file is part of Mitsuba, a physically based rendering system.

    Copyright (c) 2007-2014 by Wenzel Jakob and others.

    Mitsuba is free software; you can redistribute it and/or modify
    it under the terms of the GNU General Public License Version 3
    as published by the Free Software Foundation.

    Mitsuba 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 this program. If not, see <http://www.gnu.org/licenses/>.
*/

#pragma once
#if !defined(__MITSUBA_HW_WGLDEVICE_H_)
#define __MITSUBA_HW_WGLDEVICE_H_

#include <mitsuba/hw/device.h>
#include <mitsuba/hw/wglsession.h>

MTS_NAMESPACE_BEGIN

/** \brief Windows (WGL) device implementation
 * \ingroup libhw
 */
class MTS_EXPORT_HW WGLDevice : public Device {
public:
        /// Create a new device
        WGLDevice(WGLSession *session);

        /// Initialize the device
        void init(Device *other = NULL);

        /// Shut the device down
        void shutdown();

        /// Flip the buffers
        virtual void flip();

        /// Only applies in windowed mode
        void setVisible(bool enabled);

        /// Only applies in windowed mode
        void setPosition(const Point2i &position);

        /// Set the window title
        void setTitle(const std::string &title);

        /// Display the WGL cursor?
        void showCursor(bool enabled);

        /// Move the mouse to another position
        void warpMouse(const Point2i &position);

        /// Set the cursor grab state
        void setGrab(bool grab);

        /// Associate a renderer with this device
        void makeCurrent(Renderer *renderer);

        /// WNDPROC for event handling
        static LONG WINAPI WndProc(HWND hWnd, UINT uMsg, WPARAM wParam, LPARAM lParam);

        /// Return the device context
        inline HDC getDeviceContext() const { return m_hdc; }

        MTS_DECLARE_CLASS()
protected:
        /// Virtual destructor
        virtual ~WGLDevice();

        /// Initialize the pixel format
        void initPixelFormat(HWND hWnd);

        /// Translate a WIN32 key event
        bool translateKey(WPARAM vkey, LPARAM lParam, DeviceEvent &event);

        /// Translate a WIN32 mouse event
        bool translateMouse(UINT uMsg, WPARAM wParam, DeviceEvent &event);
protected:
        ref<WGLDevice> m_parent;
        HWND m_hwnd;
        HDC m_hdc;
        PIXELFORMATDESCRIPTOR m_pfd;
        bool m_visible;
        Point2i m_mouse;
        int m_modifierState;
        int m_buttonState;
        int m_special[256];
        char m_std[256];
        bool m_leftShift;
        bool m_rightShift;
        bool m_grab;
        bool m_cursor;
        bool m_mouseInWindow;
        int m_pf;
};

MTS_NAMESPACE_END

#endif /* __MITSUBA_HW_WGLDEVICE_H_ */