Mercurial > sdl-ios-xcode
diff src/video/x11/SDL_x11dyn.h @ 1168:045f186426e1
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.
author | Ryan C. Gordon <icculus@icculus.org> |
---|---|
date | Sat, 05 Nov 2005 19:53:37 +0000 |
parents | |
children | 4b3e2294782d |
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--- /dev/null Thu Jan 01 00:00:00 1970 +0000 +++ b/src/video/x11/SDL_x11dyn.h Sat Nov 05 19:53:37 2005 +0000 @@ -0,0 +1,71 @@ +/* + SDL - Simple DirectMedia Layer + Copyright (C) 1997-2004 Sam Lantinga + + This library is free software; you can redistribute it and/or + modify it under the terms of the GNU Library General Public + License as published by the Free Software Foundation; either + version 2 of the License, or (at your option) any later version. + + This library is distributed in the hope that it will be useful, + but WITHOUT ANY WARRANTY; without even the implied warranty of + MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU + Library General Public License for more details. + + You should have received a copy of the GNU Library General Public + License along with this library; if not, write to the Free + Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA + + Sam Lantinga + slouken@libsdl.org +*/ + +#ifndef _SDL_x11dyn_h +#define _SDL_x11dyn_h + +#include <X11/Xlib.h> +#include <X11/Xutil.h> +#include <X11/Xatom.h> +#include <X11/Xproto.h> +#include <X11/Xlibint.h> +#include <X11/extensions/extutil.h> + +#ifndef NO_SHARED_MEMORY +#include <sys/ipc.h> +#include <sys/shm.h> +#include <X11/extensions/XShm.h> +#endif + +/* + * Never reference Xlib directly...we might load it dynamically at runtime. + * Even if we don't, for readability, we still use the function pointers + * (although the symbol resolution will be done by the loader in that case). + * + * We define SDL_X11_SYM and include SDL_x11sym.h to accomplish various + * goals, without having to duplicate those function signatures. + */ +#ifdef __cplusplus +extern "C" { +#endif + +/* evil function signatures... */ +typedef Bool (*SDL_X11_XESetWireToEventRetType)(Display*,XEvent*,xEvent*); +typedef int (*SDL_X11_XSynchronizeRetType)(Display*); +typedef Status (*SDL_X11_XESetEventToWireRetType)(Display*,XEvent*,xEvent*); + +#define SDL_X11_SYM(ret,fn,params) extern ret (*p##fn) params; +#include "SDL_x11sym.h" +#undef SDL_X11_SYM + +/* Macro in the xlib headers, not an actual symbol... */ +#define pXDestroyImage XDestroyImage + +int SDL_X11_LoadSymbols(void); +void SDL_X11_UnloadSymbols(void); + +#ifdef __cplusplus +} +#endif + +#endif /* !defined _SDL_x11dyn_h */ +