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  1. /*
  2.     SDL - Simple DirectMedia Layer
  3.     Copyright (C) 1997, 1998, 1999, 2000, 2001  Sam Lantinga
  4.  
  5.     This library is free software; you can redistribute it and/or
  6.     modify it under the terms of the GNU Library General Public
  7.     License as published by the Free Software Foundation; either
  8.     version 2 of the License, or (at your option) any later version.
  9.  
  10.     This library is distributed in the hope that it will be useful,
  11.     but WITHOUT ANY WARRANTY; without even the implied warranty of
  12.     MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
  13.     Library General Public License for more details.
  14.  
  15.     You should have received a copy of the GNU Library General Public
  16.     License along with this library; if not, write to the Free
  17.     Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA  02111-1307  USA
  18.  
  19.     Sam Lantinga
  20.     slouken@devolution.com
  21. */
  22.  
  23. #ifdef SAVE_RCSID
  24. static char rcsid =
  25.  "@(#) $Id: SDL_syswm.h,v 1.5 2001/07/08 09:00:06 hercules Exp $";
  26. #endif
  27.  
  28. /* Include file for SDL custom system window manager hooks */
  29.  
  30. #ifndef _SDL_syswm_h
  31. #define _SDL_syswm_h
  32.  
  33. #include "SDL_version.h"
  34.  
  35. #include "begin_code.h"
  36. /* Set up for C function definitions, even when using C++ */
  37. #ifdef __cplusplus
  38. extern "C" {
  39. #endif
  40.  
  41. /* Your application has access to a special type of event 'SDL_SYSWMEVENT',
  42.    which contains window-manager specific information and arrives whenever
  43.    an unhandled window event occurs.  This event is ignored by default, but
  44.    you can enable it with SDL_EventState()
  45. */
  46. #ifdef SDL_PROTOTYPES_ONLY
  47. struct SDL_SysWMinfo;
  48. typedef struct SDL_SysWMinfo SDL_SysWMinfo;
  49. #else
  50.  
  51. /* This is the structure for custom window manager events */
  52. #if (defined(unix) || defined(__unix__) || defined(_AIX) || defined(__OpenBSD__)) && \
  53.     (!defined(DISABLE_X11) && !defined(__CYGWIN32__))
  54.  /* AIX is unix, of course, but the native compiler CSet doesn't define unix */
  55. #include <X11/Xlib.h>
  56. #include <X11/Xatom.h>
  57.  
  58. /* These are the various supported subsystems under UNIX */
  59. typedef enum {
  60.         SDL_SYSWM_X11
  61. } SDL_SYSWM_TYPE;
  62.  
  63. /* The UNIX custom event structure */
  64. struct SDL_SysWMmsg {
  65.         SDL_version version;
  66.         SDL_SYSWM_TYPE subsystem;
  67.         union {
  68.             XEvent xevent;
  69.         } event;
  70. };
  71.  
  72. /* The UNIX custom window manager information structure.
  73.    When this structure is returned, it holds information about which
  74.    low level system it is using, and will be one of SDL_SYSWM_TYPE.
  75.  */
  76. typedef struct {
  77.         SDL_version version;
  78.         SDL_SYSWM_TYPE subsystem;
  79.         union {
  80.             struct {
  81.                 Display *display;       /* The X11 display */
  82.                 Window window;          /* The X11 display window */
  83.                 /* These locking functions should be called around
  84.                    any X11 functions using the display variable.
  85.                    They lock the event thread, so should not be
  86.                    called around event functions or from event filters.
  87.                  */
  88.                 void (*lock_func)(void);
  89.                 void (*unlock_func)(void);
  90.  
  91.                 /* Introduced in SDL 1.0.2 */
  92.                 Window fswindow;        /* The X11 fullscreen window */
  93.                 Window wmwindow;        /* The X11 managed input window */
  94.             } x11;
  95.         } info;
  96. } SDL_SysWMinfo;
  97.  
  98. #elif defined(ENABLE_NANOX)
  99. #include <microwin/nano-X.h>
  100.  
  101. /* The generic custom event structure */
  102. struct SDL_SysWMmsg {
  103.         SDL_version version;
  104.         int data;
  105. };
  106.  
  107. /* The windows custom window manager information structure */
  108. typedef struct {
  109.         SDL_version version ;
  110.         GR_WINDOW_ID window ;   /* The display window */
  111. } SDL_SysWMinfo;
  112.  
  113. #elif defined(WIN32UNDEFINED)
  114. #include <windows.h>
  115.  
  116. /* The windows custom event structure */
  117. struct SDL_SysWMmsg {
  118.         SDL_version version;
  119.         HWND hwnd;                      /* The window for the message */
  120.         UINT msg;                       /* The type of message */
  121.         WPARAM wParam;                  /* WORD message parameter */
  122.         LPARAM lParam;                  /* LONG message parameter */
  123. };
  124.  
  125. /* The windows custom window manager information structure */
  126. typedef struct {
  127.         SDL_version version;
  128.         HWND window;                    /* The Win32 display window */
  129. } SDL_SysWMinfo;
  130.  
  131. #else
  132.  
  133. /* The generic custom event structure */
  134. struct SDL_SysWMmsg {
  135.         SDL_version version;
  136.         int data;
  137. };
  138.  
  139. /* The generic custom window manager information structure */
  140. typedef struct {
  141.         SDL_version version;
  142.         int data;
  143. } SDL_SysWMinfo;
  144.  
  145. #endif /* OS type */
  146.  
  147. #endif /* SDL_PROTOTYPES_ONLY */
  148.  
  149. /* Function prototypes */
  150. /*
  151.  * This function gives you custom hooks into the window manager information.
  152.  * It fills the structure pointed to by 'info' with custom information and
  153.  * returns 1 if the function is implemented.  If it's not implemented, or
  154.  * the version member of the 'info' structure is invalid, it returns 0.
  155.  */
  156. extern DECLSPEC int SDL_GetWMInfo(SDL_SysWMinfo *info);
  157.  
  158.  
  159. /* Ends C function definitions when using C++ */
  160. #ifdef __cplusplus
  161. }
  162. #endif
  163. #include "close_code.h"
  164.  
  165. #endif /* _SDL_syswm_h */
  166.