summaryrefslogtreecommitdiff
path: root/usr.bin/tmux/input-keys.c
blob: 2218a36d00939dbe1d7555e94b5cc4341f635f0e (plain)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
175
176
177
178
179
180
181
182
183
184
185
186
187
188
189
190
191
192
193
194
195
196
197
198
/* $OpenBSD: input-keys.c,v 1.5 2009/10/26 13:02:53 nicm Exp $ */

/*
 * Copyright (c) 2007 Nicholas Marriott <nicm@users.sourceforge.net>
 *
 * Permission to use, copy, modify, and distribute this software for any
 * purpose with or without fee is hereby granted, provided that the above
 * copyright notice and this permission notice appear in all copies.
 *
 * THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES
 * WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF
 * MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR
 * ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES
 * WHATSOEVER RESULTING FROM LOSS OF MIND, USE, DATA OR PROFITS, WHETHER
 * IN AN ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING
 * OUT OF OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
 */

#include <sys/types.h>

#include <stdint.h>
#include <stdlib.h>
#include <string.h>

#include "tmux.h"

struct input_key_ent {
	int		 key;
	const char	*data;

	int		 flags;
#define INPUTKEY_KEYPAD 0x1	/* keypad key */
#define INPUTKEY_CURSOR 0x2	/* cursor key */
#define INPUTKEY_CTRL 0x4	/* may be modified with ctrl */
};

struct input_key_ent input_keys[] = {
	/* Backspace key. */
	{ KEYC_BSPACE, "\177",	   0 },

	/* Function keys. */
	{ KEYC_F1,     "\033OP",   INPUTKEY_CTRL },
	{ KEYC_F2,     "\033OQ",   INPUTKEY_CTRL },
	{ KEYC_F3,     "\033OR",   INPUTKEY_CTRL },
	{ KEYC_F4,     "\033OS",   INPUTKEY_CTRL },
	{ KEYC_F5,     "\033[15~", INPUTKEY_CTRL },
	{ KEYC_F6,     "\033[17~", INPUTKEY_CTRL },
	{ KEYC_F7,     "\033[18~", INPUTKEY_CTRL },
	{ KEYC_F8,     "\033[19~", INPUTKEY_CTRL },
	{ KEYC_F9,     "\033[20~", INPUTKEY_CTRL },
	{ KEYC_F10,    "\033[21~", INPUTKEY_CTRL },
	{ KEYC_F11,    "\033[23~", INPUTKEY_CTRL },
	{ KEYC_F12,    "\033[24~", INPUTKEY_CTRL },
	{ KEYC_F13,    "\033[25~", INPUTKEY_CTRL },
	{ KEYC_F14,    "\033[26~", INPUTKEY_CTRL },
	{ KEYC_F15,    "\033[28~", INPUTKEY_CTRL },
	{ KEYC_F16,    "\033[29~", INPUTKEY_CTRL },
	{ KEYC_F17,    "\033[31~", INPUTKEY_CTRL },
	{ KEYC_F18,    "\033[32~", INPUTKEY_CTRL },
	{ KEYC_F19,    "\033[33~", INPUTKEY_CTRL },
	{ KEYC_F20,    "\033[34~", INPUTKEY_CTRL },
	{ KEYC_IC,     "\033[2~",  INPUTKEY_CTRL },
	{ KEYC_DC,     "\033[3~",  INPUTKEY_CTRL },
	{ KEYC_HOME,   "\033[1~",  INPUTKEY_CTRL },
	{ KEYC_END,    "\033[4~",  INPUTKEY_CTRL },
	{ KEYC_NPAGE,  "\033[6~",  INPUTKEY_CTRL },
	{ KEYC_PPAGE,  "\033[5~",  INPUTKEY_CTRL },
	{ KEYC_BTAB,   "\033[Z",   INPUTKEY_CTRL },

	/* Arrow keys. Cursor versions must come first. */
	{ KEYC_UP | KEYC_CTRL,     "\033Oa", 0 },
	{ KEYC_DOWN | KEYC_CTRL,   "\033Ob", 0 },
	{ KEYC_RIGHT | KEYC_CTRL,  "\033Oc", 0 },
	{ KEYC_LEFT | KEYC_CTRL,   "\033Od", 0 },
	
	{ KEYC_UP | KEYC_SHIFT,    "\033[a", 0 },
	{ KEYC_DOWN | KEYC_SHIFT,  "\033[b", 0 },
	{ KEYC_RIGHT | KEYC_SHIFT, "\033[c", 0 },
	{ KEYC_LEFT | KEYC_SHIFT,  "\033[d", 0 },
	
	{ KEYC_UP,     "\033OA",   INPUTKEY_CURSOR },
	{ KEYC_DOWN,   "\033OB",   INPUTKEY_CURSOR },
	{ KEYC_RIGHT,  "\033OC",   INPUTKEY_CURSOR },
	{ KEYC_LEFT,   "\033OD",   INPUTKEY_CURSOR },

	{ KEYC_UP,     "\033[A",   0 },
	{ KEYC_DOWN,   "\033[B",   0 },
	{ KEYC_RIGHT,  "\033[C",   0 },
	{ KEYC_LEFT,   "\033[D",   0 },

	/* Keypad keys. Keypad versions must come first. */
	{ KEYC_KP0_1,  "/", INPUTKEY_KEYPAD },
	{ KEYC_KP0_2,  "*", INPUTKEY_KEYPAD },
	{ KEYC_KP0_3,  "-", INPUTKEY_KEYPAD },
	{ KEYC_KP1_0,  "7", INPUTKEY_KEYPAD },
	{ KEYC_KP1_1,  "8", INPUTKEY_KEYPAD },
	{ KEYC_KP1_2,  "9", INPUTKEY_KEYPAD },
	{ KEYC_KP1_3,  "+", INPUTKEY_KEYPAD },
	{ KEYC_KP2_0,  "4", INPUTKEY_KEYPAD },
	{ KEYC_KP2_1,  "5", INPUTKEY_KEYPAD },
	{ KEYC_KP2_2,  "6", INPUTKEY_KEYPAD },
	{ KEYC_KP3_0,  "1", INPUTKEY_KEYPAD },
	{ KEYC_KP3_1,  "2", INPUTKEY_KEYPAD },
	{ KEYC_KP3_2,  "3", INPUTKEY_KEYPAD },
	{ KEYC_KP3_3,  "\n", INPUTKEY_KEYPAD }, /* this can be CRLF too? */
	{ KEYC_KP4_0,  "0", INPUTKEY_KEYPAD },
	{ KEYC_KP4_2,  ".", INPUTKEY_KEYPAD },
	{ KEYC_KP0_1,  "\033Oo", 0 },
	{ KEYC_KP0_2,  "\033Oj", 0 },
	{ KEYC_KP0_3,  "\033Om", 0 },
	{ KEYC_KP1_0,  "\033Ow", 0 },
	{ KEYC_KP1_1,  "\033Ox", 0 },
	{ KEYC_KP1_2,  "\033Oy", 0 },
	{ KEYC_KP1_3,  "\033Ok", 0 },
	{ KEYC_KP2_0,  "\033Ot", 0 },
	{ KEYC_KP2_1,  "\033Ou", 0 },
	{ KEYC_KP2_2,  "\033Ov", 0 },
	{ KEYC_KP3_0,  "\033Oq", 0 },
	{ KEYC_KP3_1,  "\033Or", 0 },
	{ KEYC_KP3_2,  "\033Os", 0 },
	{ KEYC_KP3_3,  "\033OM", 0 },
	{ KEYC_KP4_0,  "\033Op", 0 },
	{ KEYC_KP4_2,  "\033On", 0 },
};

/* Translate a key code from client into an output key sequence. */
void
input_key(struct window_pane *wp, int key)
{
	struct input_key_ent   *ike;
	u_int			i;
	char			ch;
	size_t			dlen;
	int			xterm_keys;

	log_debug2("writing key 0x%x", key);

	if (key != KEYC_NONE && (key & ~KEYC_ESCAPE) < 0x100) {
		if (key & KEYC_ESCAPE)
			buffer_write8(wp->out, '\033');
		buffer_write8(wp->out, (uint8_t) (key & ~KEYC_ESCAPE));
		return;
	}

	for (i = 0; i < nitems(input_keys); i++) {
		ike = &input_keys[i];

		if ((ike->flags & INPUTKEY_KEYPAD) &&
		    !(wp->screen->mode & MODE_KKEYPAD))
			continue;
		if ((ike->flags & INPUTKEY_CURSOR) &&
		    !(wp->screen->mode & MODE_KCURSOR))
			continue;

		if ((key & KEYC_ESCAPE) && (ike->key | KEYC_ESCAPE) == key)
			break;
		if ((key & KEYC_SHIFT) && (ike->key | KEYC_SHIFT) == key)
			break;
		if ((key & KEYC_CTRL) && (ike->key | KEYC_CTRL) == key) {
			if (ike->flags & INPUTKEY_CTRL)
				break;
		}
		if (ike->key == key)
			break;
	}
	if (i == nitems(input_keys)) {
		log_debug2("key 0x%x missing", key);
		return;
	}
	dlen = strlen(ike->data);

	log_debug2("found key 0x%x: \"%s\"", key, ike->data);

	/*
	 * Not in xterm mode. Prefix a \033 for escape, and set bit 5 of the
	 * last byte for ctrl.
	 */
	if (key & KEYC_ESCAPE)
		buffer_write8(wp->out, '\033');
	if (key & KEYC_CTRL && ike->flags & INPUTKEY_CTRL) {
		buffer_write(wp->out, ike->data, dlen - 1);
		buffer_write8(wp->out, ike->data[dlen - 1] ^ 0x20);
		return;
	}
	buffer_write(wp->out, ike->data, dlen);
}

/* Handle input mouse. */
void
input_mouse(struct window_pane *wp, struct mouse_event *m)
{
	if (wp->screen->mode & MODE_MOUSE) {
		buffer_write(wp->out, "\033[M", 3);
		buffer_write8(wp->out, m->b + 32);
		buffer_write8(wp->out, m->x + 33);
		buffer_write8(wp->out, m->y + 33);
	}
}