- Your Widget Set For OpenGL

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uxwgldriver.hpp

/***************************************************************************
    LibUFO - UI For OpenGL
    copyright         : (C) 2001-2005 by Johannes Schmidt
    email             : schmidtjf at users.sourceforge.net
                             -------------------

    file              : include/ufo/ux/uxwgldriver.hpp
    begin             : Thu Sep 23 2004
    $Id: uxwgldriver.hpp,v 1.8 2005/10/29 15:36:16 schmidtjf Exp $
 ***************************************************************************/

/***************************************************************************
 *  This library is free software; you can redistribute it and/or          *
 * modify it under the terms of the GNU Lesser General Public              *
 * License as published by the Free Software Foundation; either            *
 * version 2.1 of the License, or (at your option) any later version.      *
 *                                                                         *
 * This library 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       *
 * Lesser General Public License for more details.                         *
 *                                                                         *
 * You should have received a copy of the GNU Lesser General Public        *
 * License along with this library; if not, write to the Free Software     *
 * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA *
 ***************************************************************************/

#ifndef UXWGLDRIVER_HPP
#define UXWGLDRIVER_HPP

#include "../uvideodriver.hpp"
#include "../uvideodevice.hpp"

#include "../events/ukeysym.hpp"

#include <map>

// FIXME should be done by ufo_config ?
#include <windows.h>

namespace ufo {

class UXContext;
class UXDisplay;
class UXWGLDevice;
class UVideoPlugin;
class UPluginBase;
class USharedLib;

class UFO_EXPORT UXWGLDriver : public UVideoDriver {
    UFO_DECLARE_DYNAMIC_CLASS(UXWGLDriver)
public:
    UXWGLDriver();
    virtual ~UXWGLDriver();

public: // Implements UVideoDriver
    virtual bool init();
    virtual bool isInitialized();
    virtual void quit();
    virtual std::string getName();

    virtual void pumpEvents();

    virtual UVideoDevice * createVideoDevice();

    bool isValid() const;

#define UFO_WGL_PROC(ret,func,params) ret (WINAPI *func) params;
UFO_WGL_PROC(BOOL,wglMakeCurrent,(HDC, HGLRC))
UFO_WGL_PROC(HGLRC,wglCreateContext,(HDC))
UFO_WGL_PROC(BOOL,wglDeleteContext,(HGLRC))
UFO_WGL_PROC(BOOL,wglShareLists,(HGLRC, HGLRC))
#undef UFO_WGL_PROC

public: // Public methods
    HINSTANCE getInstance() const;
    UXContext * getContextFromWindow(HWND window);
    UXWGLDevice * getDeviceFromWindow(HWND window);

public: // Public methods
    void initKeymap();

    LRESULT windowProc(HWND hWnd, UINT uMsg, WPARAM wParam, LPARAM lParam);
    UMod_t mapWin32Button(int msg);

public: // plugin methods
    static UPluginBase * createPlugin();
    static void destroyPlugin(UPluginBase * plugin);

private: // Private attributes
    bool m_isValid;
    bool m_isInit;
    bool m_createdGLDriver;
    UXDisplay * m_display;
    HINSTANCE m_instance;
    std::vector<UXWGLDevice*> m_windowMap;

    // FIXME: do not use static array size
    UKeyCode_t VK_keymap[256];
};


class UFO_EXPORT UXWGLDevice : public UVideoDevice {
    UFO_DECLARE_DYNAMIC_CLASS(UXWGLDevice)
public:
    UXWGLDevice(UXWGLDriver * driver);
public: // Implements UVideoDevice
    virtual void setSize(int w, int h);
    virtual UDimension getSize() const;

    virtual void setLocation(int x, int y);
    virtual UPoint getLocation() const;

    virtual void setTitle(const std::string & title);
    virtual std::string getTitle() const;

    virtual void setDepth(int depth);
    virtual int getDepth() const;

    virtual void swapBuffers();
    virtual void makeContextCurrent();

    virtual bool show();
    virtual void hide();

    virtual void setFrameStyle(uint32_t frameStyle);
    virtual uint32_t getFrameStyle() const;

    virtual void setInitialFrameState(uint32_t frameState);
    virtual uint32_t getFrameState() const;

    virtual void setFrame(UXFrame * frame);
    virtual void notify(uint32_t type, int arg1, int arg2, int arg3, int arg4);
public:
    virtual UXFrame * getFrame() const;
    bool setupPixelFormat(unsigned char layer_type);
    HWND getWindow() { return m_window; }
    HDC getDC();
    HGLRC getGLContext() { return m_glContext; }

    void setDecorations();
    void setSizeHints();
    void setWMHints();
protected:
    int getAttribute(int key);
    void setAttribute(int key, int value);

private: // Private attributes
    UXWGLDriver * m_wglDriver;
    HWND m_window;
    HDC m_dc;
    HGLRC m_glContext;
    UXFrame * m_frame;
    UDimension m_size;
    UPoint m_pos;
    bool m_isVisible;
    uint32_t m_frameStyle;
    uint32_t m_frameState;
    int m_depth;
    std::string m_title;
    std::map<int, int> m_attributes;
};

} // namespace ufo

#endif // UXWGLDRIVER_HPP

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