Annotation of src/usr.bin/tmux/input-keys.c, Revision 1.12
1.12 ! nicm 1: /* $OpenBSD: input-keys.c,v 1.11 2009/10/26 14:30:57 nicm Exp $ */
1.1 nicm 2:
3: /*
4: * Copyright (c) 2007 Nicholas Marriott <nicm@users.sourceforge.net>
5: *
6: * Permission to use, copy, modify, and distribute this software for any
7: * purpose with or without fee is hereby granted, provided that the above
8: * copyright notice and this permission notice appear in all copies.
9: *
10: * THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES
11: * WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF
12: * MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR
13: * ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES
14: * WHATSOEVER RESULTING FROM LOSS OF MIND, USE, DATA OR PROFITS, WHETHER
15: * IN AN ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING
16: * OUT OF OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
17: */
18:
19: #include <sys/types.h>
20:
21: #include <stdint.h>
22: #include <stdlib.h>
23: #include <string.h>
24:
25: #include "tmux.h"
26:
1.8 nicm 27: /*
28: * This file is rather misleadingly named, it contains the code which takes a
29: * key code and translates it into something suitable to be sent to the
30: * application running in a pane (similar to input.c does in the other
31: * direction with output).
32: */
33:
1.1 nicm 34: struct input_key_ent {
35: int key;
36: const char *data;
37:
38: int flags;
39: #define INPUTKEY_KEYPAD 0x1 /* keypad key */
40: #define INPUTKEY_CURSOR 0x2 /* cursor key */
41: };
42:
43: struct input_key_ent input_keys[] = {
1.3 nicm 44: /* Backspace key. */
1.7 nicm 45: { KEYC_BSPACE, "\177", 0 },
1.3 nicm 46:
1.1 nicm 47: /* Function keys. */
1.9 nicm 48: { KEYC_F1, "\033OP", 0 },
49: { KEYC_F2, "\033OQ", 0 },
50: { KEYC_F3, "\033OR", 0 },
51: { KEYC_F4, "\033OS", 0 },
52: { KEYC_F5, "\033[15~", 0 },
53: { KEYC_F5|KEYC_CTRL, "\033[15^", 0 },
54: { KEYC_F6, "\033[17~", 0 },
55: { KEYC_F6|KEYC_CTRL, "\033[17^", 0 },
56: { KEYC_F7, "\033[18~", 0 },
57: { KEYC_F7|KEYC_CTRL, "\033[18^", 0 },
58: { KEYC_F8, "\033[19~", 0 },
59: { KEYC_F8|KEYC_CTRL, "\033[19^", 0 },
60: { KEYC_F9, "\033[20~", 0 },
61: { KEYC_F9|KEYC_CTRL, "\033[20^", 0 },
62: { KEYC_F10, "\033[21~", 0 },
63: { KEYC_F10|KEYC_CTRL, "\033[21^", 0 },
64: { KEYC_F11, "\033[23~", 0 },
65: { KEYC_F1|KEYC_CTRL, "\033[23^", 0 },
66: { KEYC_F12, "\033[24~", 0 },
67: { KEYC_F12|KEYC_CTRL, "\033[24^", 0 },
68: { KEYC_F13, "\033[25~", 0 },
69: { KEYC_F13|KEYC_CTRL, "\033[25^", 0 },
70: { KEYC_F14, "\033[26~", 0 },
71: { KEYC_F14|KEYC_CTRL, "\033[26^", 0 },
72: { KEYC_F15, "\033[28~", 0 },
73: { KEYC_F15|KEYC_CTRL, "\033[28^", 0 },
74: { KEYC_F16, "\033[29~", 0 },
75: { KEYC_F16|KEYC_CTRL, "\033[29^", 0 },
76: { KEYC_F17, "\033[31~", 0 },
77: { KEYC_F17|KEYC_CTRL, "\033[31^", 0 },
78: { KEYC_F18, "\033[32~", 0 },
79: { KEYC_F18|KEYC_CTRL, "\033[32^", 0 },
80: { KEYC_F19, "\033[33~", 0 },
81: { KEYC_F19|KEYC_CTRL, "\033[33^", 0 },
82: { KEYC_F20, "\033[34~", 0 },
83: { KEYC_F20|KEYC_CTRL, "\033[34^", 0 },
84: { KEYC_IC, "\033[2~", 0 },
85: { KEYC_IC|KEYC_CTRL, "\033[2^", 0 },
86: { KEYC_DC, "\033[3~", 0 },
87: { KEYC_DC|KEYC_CTRL, "\033[3^", 0 },
88: { KEYC_HOME, "\033[1~", 0 },
89: { KEYC_HOME|KEYC_CTRL, "\033[1^", 0 },
90: { KEYC_END, "\033[4~", 0 },
91: { KEYC_END|KEYC_CTRL, "\033[4^", 0 },
92: { KEYC_NPAGE, "\033[6~", 0 },
93: { KEYC_NPAGE|KEYC_CTRL, "\033[6^", 0 },
94: { KEYC_PPAGE, "\033[5~", 0 },
95: { KEYC_PPAGE|KEYC_CTRL, "\033[5^", 0 },
96: { KEYC_BTAB, "\033[Z", 0 },
1.7 nicm 97:
1.9 nicm 98: /* Arrow keys. Cursor versions must come first. */
1.10 nicm 99: { KEYC_UP|KEYC_CTRL, "\033[A", INPUTKEY_CURSOR },
100: { KEYC_DOWN|KEYC_CTRL, "\033[B", INPUTKEY_CURSOR },
101: { KEYC_RIGHT|KEYC_CTRL, "\033[C", INPUTKEY_CURSOR },
102: { KEYC_LEFT|KEYC_CTRL, "\033[D", INPUTKEY_CURSOR },
1.2 nicm 103:
1.7 nicm 104: { KEYC_UP, "\033OA", INPUTKEY_CURSOR },
105: { KEYC_DOWN, "\033OB", INPUTKEY_CURSOR },
106: { KEYC_RIGHT, "\033OC", INPUTKEY_CURSOR },
107: { KEYC_LEFT, "\033OD", INPUTKEY_CURSOR },
108:
1.9 nicm 109: { KEYC_UP|KEYC_CTRL, "\033OA", 0 },
110: { KEYC_DOWN|KEYC_CTRL, "\033OB", 0 },
111: { KEYC_RIGHT|KEYC_CTRL, "\033OC", 0 },
112: { KEYC_LEFT|KEYC_CTRL, "\033OD", 0 },
113:
1.7 nicm 114: { KEYC_UP, "\033[A", 0 },
115: { KEYC_DOWN, "\033[B", 0 },
116: { KEYC_RIGHT, "\033[C", 0 },
117: { KEYC_LEFT, "\033[D", 0 },
118:
1.8 nicm 119: /* Keypad keys. Keypad versions must come first. */
1.7 nicm 120: { KEYC_KP_SLASH, "/", INPUTKEY_KEYPAD },
121: { KEYC_KP_STAR, "*", INPUTKEY_KEYPAD },
122: { KEYC_KP_MINUS, "-", INPUTKEY_KEYPAD },
123: { KEYC_KP_SEVEN, "7", INPUTKEY_KEYPAD },
124: { KEYC_KP_EIGHT, "8", INPUTKEY_KEYPAD },
125: { KEYC_KP_NINE, "9", INPUTKEY_KEYPAD },
126: { KEYC_KP_PLUS, "+", INPUTKEY_KEYPAD },
127: { KEYC_KP_FOUR, "4", INPUTKEY_KEYPAD },
128: { KEYC_KP_FIVE, "5", INPUTKEY_KEYPAD },
129: { KEYC_KP_SIX, "6", INPUTKEY_KEYPAD },
130: { KEYC_KP_ONE, "1", INPUTKEY_KEYPAD },
131: { KEYC_KP_TWO, "2", INPUTKEY_KEYPAD },
132: { KEYC_KP_THREE, "3", INPUTKEY_KEYPAD },
133: { KEYC_KP_ENTER, "\n", INPUTKEY_KEYPAD },
134: { KEYC_KP_ZERO, "0", INPUTKEY_KEYPAD },
135: { KEYC_KP_PERIOD, ".", INPUTKEY_KEYPAD },
136:
137: { KEYC_KP_SLASH, "\033Oo", 0 },
138: { KEYC_KP_STAR, "\033Oj", 0 },
139: { KEYC_KP_MINUS, "\033Om", 0 },
140: { KEYC_KP_SEVEN, "\033Ow", 0 },
141: { KEYC_KP_EIGHT, "\033Ox", 0 },
142: { KEYC_KP_NINE, "\033Oy", 0 },
143: { KEYC_KP_PLUS, "\033Ok", 0 },
144: { KEYC_KP_FOUR, "\033Ot", 0 },
145: { KEYC_KP_FIVE, "\033Ou", 0 },
146: { KEYC_KP_SIX, "\033Ov", 0 },
147: { KEYC_KP_ONE, "\033Oq", 0 },
148: { KEYC_KP_TWO, "\033Or", 0 },
149: { KEYC_KP_THREE, "\033Os", 0 },
150: { KEYC_KP_ENTER, "\033OM", 0 },
151: { KEYC_KP_ZERO, "\033Op", 0 },
152: { KEYC_KP_PERIOD, "\033On", 0 },
1.1 nicm 153: };
154:
1.8 nicm 155: /* Translate a key code into an output key sequence. */
1.1 nicm 156: void
157: input_key(struct window_pane *wp, int key)
158: {
159: struct input_key_ent *ike;
160: u_int i;
161: size_t dlen;
1.10 nicm 162: char *out;
1.1 nicm 163:
164: log_debug2("writing key 0x%x", key);
165:
1.8 nicm 166: /*
167: * If this is a normal 7-bit key, just send it, with a leading escape
168: * if necessary.
169: */
1.2 nicm 170: if (key != KEYC_NONE && (key & ~KEYC_ESCAPE) < 0x100) {
171: if (key & KEYC_ESCAPE)
1.1 nicm 172: buffer_write8(wp->out, '\033');
1.2 nicm 173: buffer_write8(wp->out, (uint8_t) (key & ~KEYC_ESCAPE));
1.1 nicm 174: return;
1.12 ! nicm 175: }
! 176:
! 177: /*
! 178: * Then try to look this up as an xterm key, if the flag to output them
! 179: * is set.
! 180: */
! 181: if (options_get_number(&wp->window->options, "xterm-keys")) {
! 182: if ((out = xterm_keys_lookup(key)) != NULL) {
! 183: buffer_write(wp->out, out, strlen(out));
! 184: xfree(out);
! 185: return;
! 186: }
1.1 nicm 187: }
188:
1.8 nicm 189: /* Otherwise look the key up in the table. */
1.1 nicm 190: for (i = 0; i < nitems(input_keys); i++) {
191: ike = &input_keys[i];
192:
193: if ((ike->flags & INPUTKEY_KEYPAD) &&
194: !(wp->screen->mode & MODE_KKEYPAD))
195: continue;
196: if ((ike->flags & INPUTKEY_CURSOR) &&
197: !(wp->screen->mode & MODE_KCURSOR))
198: continue;
199:
1.2 nicm 200: if ((key & KEYC_ESCAPE) && (ike->key | KEYC_ESCAPE) == key)
1.1 nicm 201: break;
202: if (ike->key == key)
203: break;
204: }
205: if (i == nitems(input_keys)) {
206: log_debug2("key 0x%x missing", key);
207: return;
208: }
209: dlen = strlen(ike->data);
210: log_debug2("found key 0x%x: \"%s\"", key, ike->data);
211:
1.9 nicm 212: /* Prefix a \033 for escape. */
1.2 nicm 213: if (key & KEYC_ESCAPE)
1.1 nicm 214: buffer_write8(wp->out, '\033');
215: buffer_write(wp->out, ike->data, dlen);
216: }
217:
1.8 nicm 218: /* Translate mouse and output. */
1.1 nicm 219: void
1.4 nicm 220: input_mouse(struct window_pane *wp, struct mouse_event *m)
1.1 nicm 221: {
222: if (wp->screen->mode & MODE_MOUSE) {
223: buffer_write(wp->out, "\033[M", 3);
1.4 nicm 224: buffer_write8(wp->out, m->b + 32);
225: buffer_write8(wp->out, m->x + 33);
226: buffer_write8(wp->out, m->y + 33);
1.1 nicm 227: }
228: }
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