src/video/x11/SDL_x11dyn.h
author Ryan C. Gordon <icculus@icculus.org>
Sat, 05 Nov 2005 19:53:37 +0000
changeset 1168 045f186426e1
child 1169 4b3e2294782d
permissions -rw-r--r--
Dynamically load X11 libraries like we currently do for alsa, esd, etc.
This allows you to run an SDL program on a system without Xlib, since it'll
just report the x11 target unavailable at runtime.
     1 /*
     2     SDL - Simple DirectMedia Layer
     3     Copyright (C) 1997-2004 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@libsdl.org
    21 */
    22 
    23 #ifndef _SDL_x11dyn_h
    24 #define _SDL_x11dyn_h
    25 
    26 #include <X11/Xlib.h>
    27 #include <X11/Xutil.h>
    28 #include <X11/Xatom.h>
    29 #include <X11/Xproto.h>
    30 #include <X11/Xlibint.h>
    31 #include <X11/extensions/extutil.h>
    32 
    33 #ifndef NO_SHARED_MEMORY
    34 #include <sys/ipc.h>
    35 #include <sys/shm.h>
    36 #include <X11/extensions/XShm.h>
    37 #endif
    38 
    39 /*
    40  * Never reference Xlib directly...we might load it dynamically at runtime.
    41  *  Even if we don't, for readability, we still use the function pointers
    42  *  (although the symbol resolution will be done by the loader in that case).
    43  *
    44  * We define SDL_X11_SYM and include SDL_x11sym.h to accomplish various
    45  *  goals, without having to duplicate those function signatures.
    46  */
    47 #ifdef __cplusplus
    48 extern "C" {
    49 #endif
    50 
    51 /* evil function signatures... */
    52 typedef Bool (*SDL_X11_XESetWireToEventRetType)(Display*,XEvent*,xEvent*);
    53 typedef int (*SDL_X11_XSynchronizeRetType)(Display*);
    54 typedef Status (*SDL_X11_XESetEventToWireRetType)(Display*,XEvent*,xEvent*);
    55 
    56 #define SDL_X11_SYM(ret,fn,params) extern ret (*p##fn) params;
    57 #include "SDL_x11sym.h"
    58 #undef SDL_X11_SYM
    59 
    60 /* Macro in the xlib headers, not an actual symbol... */
    61 #define pXDestroyImage XDestroyImage
    62 
    63 int SDL_X11_LoadSymbols(void);
    64 void SDL_X11_UnloadSymbols(void);
    65 
    66 #ifdef __cplusplus
    67 }
    68 #endif
    69 
    70 #endif  /* !defined _SDL_x11dyn_h */
    71