include/SDL_syswm.h

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FUNCTIONS

This source file includes following functions.

   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 1.4.2.7 2001/02/28 12:35:28 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)) && \
  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(WIN32)
  99 #include <windows.h>
 100 
 101 /* The windows custom event structure */
 102 struct SDL_SysWMmsg {
 103         SDL_version version;
 104         HWND hwnd;                      /* The window for the message */
 105         UINT msg;                       /* The type of message */
 106         WPARAM wParam;                  /* WORD message parameter */
 107         LPARAM lParam;                  /* LONG message parameter */
 108 };
 109 
 110 /* The windows custom window manager information structure */
 111 typedef struct {
 112         SDL_version version;
 113         HWND window;                    /* The Win32 display window */
 114 } SDL_SysWMinfo;
 115 
 116 #else
 117 
 118 /* The generic custom event structure */
 119 struct SDL_SysWMmsg {
 120         SDL_version version;
 121         int data;
 122 };
 123 
 124 /* The generic custom window manager information structure */
 125 typedef struct {
 126         SDL_version version;
 127         int data;
 128 } SDL_SysWMinfo;
 129 
 130 #endif /* OS type */
 131 
 132 #endif /* SDL_PROTOTYPES_ONLY */
 133 
 134 /* Function prototypes */
 135 /*
 136  * This function gives you custom hooks into the window manager information.
 137  * It fills the structure pointed to by 'info' with custom information and
 138  * returns 1 if the function is implemented.  If it's not implemented, or
 139  * the version member of the 'info' structure is invalid, it returns 0. 
 140  */
 141 extern DECLSPEC int SDL_GetWMInfo(SDL_SysWMinfo *info);
 142 
 143 
 144 /* Ends C function definitions when using C++ */
 145 #ifdef __cplusplus
 146 }
 147 #endif
 148 #include "close_code.h"
 149 
 150 #endif /* _SDL_syswm_h */

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