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.
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/*
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    SDL - Simple DirectMedia Layer
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    Copyright (C) 1997-2004 Sam Lantinga
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    This library is free software; you can redistribute it and/or
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    modify it under the terms of the GNU Library General Public
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    License as published by the Free Software Foundation; either
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    version 2 of the License, or (at your option) any later version.
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    This library is distributed in the hope that it will be useful,
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    but WITHOUT ANY WARRANTY; without even the implied warranty of
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    MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
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    Library General Public License for more details.
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    You should have received a copy of the GNU Library General Public
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    License along with this library; if not, write to the Free
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    Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA  02111-1307  USA
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    Sam Lantinga
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    slouken@libsdl.org
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*/
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#ifndef _SDL_x11dyn_h
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#define _SDL_x11dyn_h
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#include <X11/Xlib.h>
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#include <X11/Xutil.h>
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#include <X11/Xatom.h>
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#include <X11/Xproto.h>
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#include <X11/Xlibint.h>
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#include <X11/extensions/extutil.h>
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#ifndef NO_SHARED_MEMORY
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#include <sys/ipc.h>
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#include <sys/shm.h>
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#include <X11/extensions/XShm.h>
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#endif
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/*
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 * Never reference Xlib directly...we might load it dynamically at runtime.
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 *  Even if we don't, for readability, we still use the function pointers
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 *  (although the symbol resolution will be done by the loader in that case).
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 *
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 * We define SDL_X11_SYM and include SDL_x11sym.h to accomplish various
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 *  goals, without having to duplicate those function signatures.
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 */
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#ifdef __cplusplus
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extern "C" {
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#endif
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/* evil function signatures... */
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typedef Bool (*SDL_X11_XESetWireToEventRetType)(Display*,XEvent*,xEvent*);
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typedef int (*SDL_X11_XSynchronizeRetType)(Display*);
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typedef Status (*SDL_X11_XESetEventToWireRetType)(Display*,XEvent*,xEvent*);
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#define SDL_X11_SYM(ret,fn,params) extern ret (*p##fn) params;
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#include "SDL_x11sym.h"
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#undef SDL_X11_SYM
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/* Macro in the xlib headers, not an actual symbol... */
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#define pXDestroyImage XDestroyImage
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int SDL_X11_LoadSymbols(void);
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void SDL_X11_UnloadSymbols(void);
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#ifdef __cplusplus
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}
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#endif
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#endif  /* !defined _SDL_x11dyn_h */
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