1 /*
2  * Copyright (c) 2020 Omar Polo <op@omarpolo.com>
3  *
4  * Permission to use, copy, modify, and distribute this software for any
5  * purpose with or without fee is hereby granted, provided that the above
6  * copyright notice and this permission notice appear in all copies.
7  *
8  * THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES
9  * WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF
10  * MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR
11  * ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES
12  * WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN
13  * ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF
14  * OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
15  */
16 
17 #ifndef STAR_PLATINUM_H
18 #define STAR_PLATINUM_H
19 
20 /* XXX: why I need to define this to get XK_space/...?
21  * is this a bad idea?  there is another way? */
22 #define XK_LATIN1
23 #define XK_MISCELLANY
24 
25 #include <X11/Xlib.h>
26 
27 #include <err.h>
28 #include <stdlib.h>
29 
30 void			 yyerror(const char*, ...);
31 
32 struct key {
33 	unsigned int modifier;
34 	KeySym key;
35 };
36 
37 struct action {
38 #define ASPECIAL	1
39 #define AFAKE		2
40 #define AEXEC		3
41 	int type;
42 	union {
43 #define ATOGGLE		1
44 #define AACTIVATE	2
45 #define ADEACTIVATE	3
46 #define AIGNORE		4
47 		int special;
48 		struct key send_key;
49 		char *str;
50 	};
51 };
52 
53 void			 do_action(struct action, Window, XKeyEvent*);
54 void			 free_action(struct action);
55 
56 struct match {
57 #define MANY		1
58 #define MCLASS		2
59 	int prop;
60 	char *str;
61 	struct match *next;
62 };
63 
64 struct match		*new_match(int, char*);
65 void			 recfree_match(struct match*);
66 int			 match_window(struct match*, Window);
67 
68 struct rule {
69 	struct key key;
70 	struct action action;
71 	struct rule *next;
72 };
73 
74 struct rule		*new_rule(struct key, struct action);
75 void			 recfree_rule(struct rule*);
76 int			 rule_matched(struct rule*, struct key);
77 
78 struct group {
79 	struct match *matches;
80 	struct rule *rules;
81 	struct group *next;
82 };
83 
84 extern struct group *config;
85 
86 struct group		*new_group(struct match*, struct rule*);
87 void			 recfree_group(struct group*);
88 void			 process_event(struct group*, XKeyEvent*);
89 int			 group_match(struct group*, Window);
90 
91 /* xlib-related */
92 int			 error_handler(Display*, XErrorEvent*);
93 void			 grabkey(struct key, Window);
94 void			 grab_matching_keys(Window);
95 int			 grabkey_matching_windows();
96 KeySym			 keycode_to_keysym(unsigned int);
97 Window			 focused_window();
98 void			 send_fake(Window, struct key, XKeyEvent*);
99 int			 window_match_class(Window, const char*);
100 
101 /* debugging */
102 void			 printkey(struct key);
103 void			 printaction(struct action);
104 void			 printmatch(struct match*);
105 void			 printrule(struct rule*);
106 void			 printgroup(struct group*);
107 
108 #endif /* STAR_PLATINUM_H */