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3144ee8a AT |
1 | /* xscreensaver, Copyright (c) 1992-2018 Jamie Zawinski <jwz@jwz.org> |
2 | * | |
3 | * Permission to use, copy, modify, distribute, and sell this software and its | |
4 | * documentation for any purpose is hereby granted without fee, provided that | |
5 | * the above copyright notice appear in all copies and that both that | |
6 | * copyright notice and this permission notice appear in supporting | |
7 | * documentation. No representations are made about the suitability of this | |
8 | * software for any purpose. It is provided "as is" without express or | |
9 | * implied warranty. | |
10 | */ | |
11 | ||
12 | #ifndef __SCREENHACK_H__ | |
13 | #define __SCREENHACK_H__ | |
14 | ||
15 | #include "screenhackI.h" | |
16 | ||
17 | /* In an Xlib world, we define two global symbols here: | |
18 | a struct in `MODULENAME_xscreensaver_function_table', | |
19 | and a pointer to that in `xscreensaver_function_table'. | |
20 | ||
21 | In a Cocoa/Android world, we only define the prefixed symbol; | |
22 | the un-prefixed symbol does not exist. | |
23 | */ | |
24 | #ifdef HAVE_JWXYZ | |
25 | # define XSCREENSAVER_LINK(NAME) | |
26 | #else | |
27 | # define XSCREENSAVER_LINK(NAME) \ | |
28 | struct xscreensaver_function_table *xscreensaver_function_table = &NAME; | |
29 | #endif | |
30 | ||
31 | ||
32 | #if defined(HAVE_JWXYZ) && !defined(__XLOCKMORE_INTERNAL_H__) | |
33 | /* this is one enormous kludge... */ | |
34 | # undef ya_rand_init | |
35 | static void | |
36 | xscreensaver_common_setup(struct xscreensaver_function_table *xsft, void *a) | |
37 | { ya_rand_init(0); } | |
38 | #else | |
39 | # define xscreensaver_common_setup 0 | |
40 | #endif | |
41 | ||
42 | ||
43 | #ifdef HAVE_JWXYZ | |
44 | # define SCREENHACK_VISUAL DEFAULT_VISUAL | |
45 | #else /* !HAVE_JWXYZ */ | |
46 | # define SCREENHACK_VISUAL 0, 0 | |
47 | #endif /* !HAVE_JWXYZ */ | |
48 | ||
49 | #define XSCREENSAVER_MODULE_2(CLASS,NAME,PREFIX) \ | |
50 | struct xscreensaver_function_table \ | |
51 | NAME ## _xscreensaver_function_table = { \ | |
52 | CLASS, \ | |
53 | PREFIX ## _defaults, \ | |
54 | PREFIX ## _options, \ | |
55 | xscreensaver_common_setup, 0, \ | |
56 | PREFIX ## _init, \ | |
57 | PREFIX ## _draw, \ | |
58 | PREFIX ## _reshape, \ | |
59 | PREFIX ## _event, \ | |
60 | PREFIX ## _free, \ | |
61 | 0, fps_free, \ | |
62 | SCREENHACK_VISUAL }; \ | |
63 | XSCREENSAVER_LINK (NAME ## _xscreensaver_function_table) | |
64 | ||
65 | #define XSCREENSAVER_MODULE(CLASS,PREFIX) \ | |
66 | XSCREENSAVER_MODULE_2(CLASS,PREFIX,PREFIX) | |
67 | ||
68 | #endif /* __SCREENHACK_H__ */ |