include/SDL_syswm.h
author Sam Lantinga <slouken@libsdl.org>
Fri, 10 Feb 2006 03:19:02 +0000
changeset 1356 67114343400d
parent 1330 450721ad5436
child 1358 c71e05b4dc2e
permissions -rw-r--r--
*** empty log message ***
     1 /*
     2     SDL - Simple DirectMedia Layer
     3     Copyright (C) 1997-2006 Sam Lantinga
     4 
     5     This library is free software; you can redistribute it and/or
     6     modify it under the terms of the GNU Lesser General Public
     7     License as published by the Free Software Foundation; either
     8     version 2.1 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     Lesser General Public License for more details.
    14 
    15     You should have received a copy of the GNU Lesser General Public
    16     License along with this library; if not, write to the Free Software
    17     Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA  02110-1301  USA
    18 
    19     Sam Lantinga
    20     slouken@libsdl.org
    21 */
    22 
    23 /* Include file for SDL custom system window manager hooks */
    24 
    25 #ifndef _SDL_syswm_h
    26 #define _SDL_syswm_h
    27 
    28 #include "SDL_stdinc.h"
    29 #include "SDL_version.h"
    30 
    31 #include "begin_code.h"
    32 /* Set up for C function definitions, even when using C++ */
    33 #ifdef __cplusplus
    34 extern "C" {
    35 #endif
    36 
    37 /* Your application has access to a special type of event 'SDL_SYSWMEVENT',
    38    which contains window-manager specific information and arrives whenever
    39    an unhandled window event occurs.  This event is ignored by default, but
    40    you can enable it with SDL_EventState()
    41 */
    42 #ifdef SDL_PROTOTYPES_ONLY
    43 struct SDL_SysWMinfo;
    44 typedef struct SDL_SysWMinfo SDL_SysWMinfo;
    45 #else
    46 
    47 #if defined(__APPLE__) && defined(__MACH__)
    48 // conflicts with Quickdraw.h
    49 #define Cursor X11Cursor
    50 #endif
    51 
    52 /* This is the structure for custom window manager events */
    53 #if (defined(unix) || defined(__unix__) || defined(_AIX) || \
    54          defined(__OpenBSD__) || defined(__NetBSD__) || \
    55          (defined(__APPLE__) && defined(__MACH__))) && \
    56     (!defined(DISABLE_X11) && !defined(__CYGWIN32__) && !defined(ENABLE_NANOX) && \
    57          !defined(__QNXNTO__))
    58  /* AIX is unix, of course, but the native compiler CSet doesn't define unix */
    59 #include <X11/Xlib.h>
    60 #include <X11/Xatom.h>
    61 
    62 #if defined(__APPLE__) && defined(__MACH__)
    63 // matches the re-define above
    64 #undef Cursor
    65 #endif
    66 
    67 /* These are the various supported subsystems under UNIX */
    68 typedef enum {
    69 	SDL_SYSWM_X11
    70 } SDL_SYSWM_TYPE;
    71 
    72 /* The UNIX custom event structure */
    73 struct SDL_SysWMmsg {
    74 	SDL_version version;
    75 	SDL_SYSWM_TYPE subsystem;
    76 	union {
    77 	    XEvent xevent;
    78 	} event;
    79 };
    80 
    81 /* The UNIX custom window manager information structure.
    82    When this structure is returned, it holds information about which
    83    low level system it is using, and will be one of SDL_SYSWM_TYPE.
    84  */
    85 typedef struct SDL_SysWMinfo {
    86 	SDL_version version;
    87 	SDL_SYSWM_TYPE subsystem;
    88 	union {
    89 	    struct {
    90 	    	Display *display;	/* The X11 display */
    91 	    	Window window;		/* The X11 display window */
    92 		/* These locking functions should be called around
    93                    any X11 functions using the display variable.
    94                    They lock the event thread, so should not be
    95 		   called around event functions or from event filters.
    96 		 */
    97 		void (*lock_func)(void);
    98 		void (*unlock_func)(void);
    99 
   100 		/* Introduced in SDL 1.0.2 */
   101 	    	Window fswindow;	/* The X11 fullscreen window */
   102 	    	Window wmwindow;	/* The X11 managed input window */
   103 	    } x11;
   104 	} info;
   105 } SDL_SysWMinfo;
   106 
   107 #elif defined(ENABLE_NANOX)
   108 #include <microwin/nano-X.h>
   109 
   110 /* The generic custom event structure */
   111 struct SDL_SysWMmsg {
   112 	SDL_version version;
   113 	int data;
   114 };
   115 
   116 /* The windows custom window manager information structure */
   117 typedef struct SDL_SysWMinfo {
   118 	SDL_version version ;
   119 	GR_WINDOW_ID window ;	/* The display window */
   120 } SDL_SysWMinfo;
   121 
   122 #elif defined(WIN32)
   123 #include "SDL_windows.h"
   124 
   125 /* The windows custom event structure */
   126 struct SDL_SysWMmsg {
   127 	SDL_version version;
   128 	HWND hwnd;			/* The window for the message */
   129 	UINT msg;			/* The type of message */
   130 	WPARAM wParam;			/* WORD message parameter */
   131 	LPARAM lParam;			/* LONG message parameter */
   132 };
   133 
   134 /* The windows custom window manager information structure */
   135 typedef struct SDL_SysWMinfo {
   136 	SDL_version version;
   137 	HWND window;			/* The Win32 display window */
   138 	HGLRC hglrc;			/* The OpenGL context, if any */
   139 } SDL_SysWMinfo;
   140 
   141 #elif defined(__riscos__)
   142 
   143 /* RISC OS custom event structure */
   144 struct SDL_SysWMmsg {
   145 	SDL_version version;
   146 	int eventCode;		/* The window for the message */
   147 	int pollBlock[64];
   148 };
   149 
   150 /* The RISC OS custom window manager information structure */
   151 typedef struct SDL_SysWMinfo {
   152 	SDL_version version;
   153 	int wimpVersion;    /* Wimp version running under */
   154 	int taskHandle;     /* The RISC OS task handle */
   155 	int window;		/* The RISC OS display window */
   156 } SDL_SysWMinfo;
   157 
   158 #elif defined(__QNXNTO__)
   159 #include <sys/neutrino.h>
   160 #include <Ph.h>
   161 
   162 /* The QNX custom event structure */
   163 struct SDL_SysWMmsg {
   164 	SDL_version version;
   165 	int data;
   166 };
   167 
   168 /* The QNX custom window manager information structure */
   169 typedef struct SDL_SysWMinfo {
   170 	SDL_version version;
   171 	int data;
   172 } SDL_SysWMinfo;
   173 
   174 #else
   175 
   176 /* The generic custom event structure */
   177 struct SDL_SysWMmsg {
   178 	SDL_version version;
   179 	int data;
   180 };
   181 
   182 /* The generic custom window manager information structure */
   183 typedef struct SDL_SysWMinfo {
   184 	SDL_version version;
   185 	int data;
   186 } SDL_SysWMinfo;
   187 
   188 #endif /* OS type */
   189 
   190 #endif /* SDL_PROTOTYPES_ONLY */
   191 
   192 /* Function prototypes */
   193 /*
   194  * This function gives you custom hooks into the window manager information.
   195  * It fills the structure pointed to by 'info' with custom information and
   196  * returns 1 if the function is implemented.  If it's not implemented, or
   197  * the version member of the 'info' structure is invalid, it returns 0. 
   198  *
   199  * You typically use this function like this:
   200  * SDL_SysWMInfo info;
   201  * SDL_VERSION(&info.version);
   202  * if ( SDL_GetWMInfo(&info) ) { ... }
   203  */
   204 extern DECLSPEC int SDLCALL SDL_GetWMInfo(SDL_SysWMinfo *info);
   205 
   206 
   207 /* Ends C function definitions when using C++ */
   208 #ifdef __cplusplus
   209 }
   210 #endif
   211 #include "close_code.h"
   212 
   213 #endif /* _SDL_syswm_h */