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Diffstat (limited to 'hacks/screenhack.h')
| -rw-r--r-- | hacks/screenhack.h | 67 |
1 files changed, 67 insertions, 0 deletions
diff --git a/hacks/screenhack.h b/hacks/screenhack.h new file mode 100644 index 0000000..78621ab --- /dev/null +++ b/hacks/screenhack.h @@ -0,0 +1,67 @@ +/* xscreensaver, Copyright (c) 1992-2015 Jamie Zawinski <jwz@jwz.org> + * + * Permission to use, copy, modify, distribute, and sell this software and its + * documentation for any purpose is hereby granted without fee, provided that + * the above copyright notice appear in all copies and that both that + * copyright notice and this permission notice appear in supporting + * documentation. No representations are made about the suitability of this + * software for any purpose. It is provided "as is" without express or + * implied warranty. + */ + +#ifndef __SCREENHACK_H__ +#define __SCREENHACK_H__ + +#include "screenhackI.h" + +/* In an Xlib world, we define two global symbols here: + a struct in `MODULENAME_xscreensaver_function_table', + and a pointer to that in `xscreensaver_function_table'. + + In a Cocoa/Android world, we only define the prefixed symbol; + the un-prefixed symbol does not exist. + */ +#ifdef HAVE_JWXYZ +# define XSCREENSAVER_LINK(NAME) +#else +# define XSCREENSAVER_LINK(NAME) \ + struct xscreensaver_function_table *xscreensaver_function_table = &NAME; +#endif + + +#if defined(HAVE_JWXYZ) && !defined(__XLOCKMORE_INTERNAL_H__) + /* this is one enormous kludge... */ +# undef ya_rand_init + static void + xscreensaver_common_setup(struct xscreensaver_function_table *xsft, void *a) + { ya_rand_init(0); } +#else +# define xscreensaver_common_setup 0 +#endif + + +#ifdef HAVE_JWXYZ +# define SCREENHACK_VISUAL DEFAULT_VISUAL +#else /* !HAVE_JWXYZ */ +# define SCREENHACK_VISUAL 0, 0 +#endif /* !HAVE_JWXYZ */ + +#define XSCREENSAVER_MODULE_2(CLASS,NAME,PREFIX) \ + struct xscreensaver_function_table \ + NAME ## _xscreensaver_function_table = { \ + CLASS, \ + PREFIX ## _defaults, \ + PREFIX ## _options, \ + xscreensaver_common_setup, 0, \ + PREFIX ## _init, \ + PREFIX ## _draw, \ + PREFIX ## _reshape, \ + PREFIX ## _event, \ + PREFIX ## _free, \ + 0, SCREENHACK_VISUAL }; \ + XSCREENSAVER_LINK (NAME ## _xscreensaver_function_table) + +#define XSCREENSAVER_MODULE(CLASS,PREFIX) \ + XSCREENSAVER_MODULE_2(CLASS,PREFIX,PREFIX) + +#endif /* __SCREENHACK_H__ */ |