1 /*
2  * Copyright (c) 2021 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 KEYMAP_H
18 #define KEYMAP_H
19 
20 #include <stdint.h>
21 
22 struct buffer;
23 
24 struct kmap {
25 	TAILQ_HEAD(map, keymap)	m;
26 	void			(*unhandled_input)(void);
27 };
28 extern struct kmap global_map, minibuffer_map;
29 
30 typedef void(interactivefn)(struct buffer *);
31 
32 struct keymap {
33 	int			 meta;
34 	int			 key;
35 	struct kmap		 map;
36 	interactivefn		 *fn;
37 
38 	TAILQ_ENTRY(keymap)	 keymaps;
39 };
40 
41 struct thiskey {
42 	short meta;
43 	int key;
44 	uint32_t cp;
45 };
46 
47 enum {
48 	LK_ADVANCED_MAP,
49 	LK_MATCHED,
50 	LK_UNBOUND,
51 };
52 
53 int		 kbd(const char *);
54 const char	*unkbd(int);
55 int		 kmap_define_key(struct kmap *, const char *, interactivefn *);
56 int		 lookup_key(struct kmap **, struct thiskey *, struct buffer *);
57 
58 #endif