include/SDL_syswm.h
author Sam Lantinga <slouken@lokigames.com>
Thu, 26 Apr 2001 16:45:43 +0000
changeset 0 74212992fb08
child 30 57bf11a5efd7
permissions -rw-r--r--
Initial revision
     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  "@(#) $Id$";
    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 */