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/*

    SDL - Simple DirectMedia Layer

    Copyright (C) 1997-2009 Sam Lantinga

    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., 51 Franklin St, Fifth Floor, Boston, MA  02110-1301  USA

    Sam Lantinga

    slouken@libsdl.org

*/

/** @file SDL_syswm.h

 *  Include file for SDL custom system window manager hooks

 */

#ifndef _SDL_syswm_h

#define _SDL_syswm_h

#include "SDL_stdinc.h"

#include "SDL_error.h"

#include "SDL_version.h"

#include "begin_code.h"

/* Set up for C function definitions, even when using C++ */

#ifdef __cplusplus

extern "C" {

#endif

/** @file SDL_syswm.h

 *  Your application has access to a special type of event 'SDL_SYSWMEVENT',

 *  which contains window-manager specific information and arrives whenever

 *  an unhandled window event occurs.  This event is ignored by default, but

 *  you can enable it with SDL_EventState()

 */

#ifdef SDL_PROTOTYPES_ONLY

struct SDL_SysWMinfo;

typedef struct SDL_SysWMinfo SDL_SysWMinfo;

#else

/* This is the structure for custom window manager events */

#if defined(SDL_VIDEO_DRIVER_X11)

#if defined(__APPLE__) && defined(__MACH__)

/* conflicts with Quickdraw.h */

#define Cursor X11Cursor

#endif

#include <X11/Xlib.h>

#include <X11/Xatom.h>

#if defined(__APPLE__) && defined(__MACH__)

/* matches the re-define above */

#undef Cursor

#endif

/** These are the various supported subsystems under UNIX */

typedef enum {

        SDL_SYSWM_X11

} SDL_SYSWM_TYPE;

/** The UNIX custom event structure */

struct SDL_SysWMmsg {

        SDL_version version;

        SDL_SYSWM_TYPE subsystem;

        union {

            XEvent xevent;

        } event;

};

/** The UNIX custom window manager information structure.

 *  When this structure is returned, it holds information about which

 *  low level system it is using, and will be one of SDL_SYSWM_TYPE.

 */

typedef struct SDL_SysWMinfo {

        SDL_version version;

        SDL_SYSWM_TYPE subsystem;

        union {

            struct {

                Display *display;       /**< The X11 display */

                Window window;          /**< The X11 display window */

                /** These locking functions should be called around

                 *  any X11 functions using the display variable,

                 *  but not the gfxdisplay variable.

                 *  They lock the event thread, so should not be

                 *  called around event functions or from event filters.

                 */

                /*@{*/

                void (*lock_func)(void);

                void (*unlock_func)(void);

                /*@}*/

                /** @name Introduced in SDL 1.0.2 */

                /*@{*/

                Window fswindow;        /**< The X11 fullscreen window */

                Window wmwindow;        /**< The X11 managed input window */

                /*@}*/

                /** @name Introduced in SDL 1.2.12 */

                /*@{*/

                Display *gfxdisplay;    /**< The X11 display to which rendering is done */

                /*@}*/

            } x11;

        } info;

} SDL_SysWMinfo;

#elif defined(SDL_VIDEO_DRIVER_NANOX)

#include <microwin/nano-X.h>

/** The generic custom event structure */

struct SDL_SysWMmsg {

        SDL_version version;

        int data;

};

/** The windows custom window manager information structure */

typedef struct SDL_SysWMinfo {

        SDL_version version ;

        GR_WINDOW_ID window ;   /* The display window */

} SDL_SysWMinfo;

#elif defined(SDL_VIDEO_DRIVER_WINDIB) || defined(SDL_VIDEO_DRIVER_DDRAW) || defined(SDL_VIDEO_DRIVER_GAPI)

#define WIN32_LEAN_AND_MEAN

#include <windows.h>

/** The windows custom event structure */

struct SDL_SysWMmsg {

        SDL_version version;

        HWND hwnd;                      /**< The window for the message */

        UINT msg;                       /**< The type of message */

        WPARAM wParam;                  /**< WORD message parameter */

        LPARAM lParam;                  /**< LONG message parameter */

};

/** The windows custom window manager information structure */

typedef struct SDL_SysWMinfo {

        SDL_version version;

        HWND window;                    /**< The Win32 display window */

        HGLRC hglrc;                    /**< The OpenGL context, if any */

} SDL_SysWMinfo;

#elif defined(SDL_VIDEO_DRIVER_RISCOS)

/** RISC OS custom event structure */

struct SDL_SysWMmsg {

        SDL_version version;

        int eventCode;          /**< The window for the message */

        int pollBlock[64];

};

/** The RISC OS custom window manager information structure */

typedef struct SDL_SysWMinfo {

        SDL_version version;

        int wimpVersion;    /**< Wimp version running under */

        int taskHandle;     /**< The RISC OS task handle */

        int window;             /**< The RISC OS display window */

} SDL_SysWMinfo;

#elif defined(SDL_VIDEO_DRIVER_PHOTON)

#include <sys/neutrino.h>

#include <Ph.h>

/** The QNX custom event structure */

struct SDL_SysWMmsg {

        SDL_version version;

        int data;

};

/** The QNX custom window manager information structure */

typedef struct SDL_SysWMinfo {

        SDL_version version;

        int data;

} SDL_SysWMinfo;

#else

/** The generic custom event structure */

struct SDL_SysWMmsg {

        SDL_version version;

        int data;

};

/** The generic custom window manager information structure */

typedef struct SDL_SysWMinfo {

        SDL_version version;

        int data;

} SDL_SysWMinfo;

#endif /* video driver type */

#endif /* SDL_PROTOTYPES_ONLY */

/* Function prototypes */

/**

 * This function gives you custom hooks into the window manager information.

 * It fills the structure pointed to by 'info' with custom information and

 * returns 1 if the function is implemented.  If it's not implemented, or

 * the version member of the 'info' structure is invalid, it returns 0.

 *

 * You typically use this function like this:

 * @code

 * SDL_SysWMInfo info;

 * SDL_VERSION(&info.version);

 * if ( SDL_GetWMInfo(&info) ) { ... }

 * @endcode

 */

extern DECLSPEC int SDLCALL SDL_GetWMInfo(SDL_SysWMinfo *info);

/* Ends C function definitions when using C++ */

#ifdef __cplusplus

}

#endif

#include "close_code.h"

#endif /* _SDL_syswm_h */