Annotation of src/usr.bin/tmux/tty-keys.c, Revision 1.23
1.23 ! nicm 1: /* $OpenBSD: tty-keys.c,v 1.22 2009/11/26 15:14:03 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: #include <sys/time.h>
21:
22: #include <string.h>
1.3 nicm 23: #include <termios.h>
24: #include <unistd.h>
1.1 nicm 25:
26: #include "tmux.h"
27:
1.9 nicm 28: /*
1.16 nicm 29: * Handle keys input from the outside terminal. tty_keys[] is a base table of
30: * supported keys which are looked up in terminfo(5) and translated into a
31: * ternary tree (a binary tree of binary trees).
1.9 nicm 32: */
33:
1.16 nicm 34: void tty_keys_add1(struct tty_key **, const char *, int);
35: void tty_keys_add(struct tty *, const char *, int);
36: void tty_keys_free1(struct tty_key *);
37: struct tty_key *tty_keys_find1(
38: struct tty_key *, const char *, size_t, size_t *);
39: struct tty_key *tty_keys_find(struct tty *, const char *, size_t, size_t *);
40: void tty_keys_callback(int, short, void *);
1.18 nicm 41: int tty_keys_mouse(
42: const char *, size_t, size_t *, struct mouse_event *);
1.1 nicm 43:
44: struct tty_key_ent {
45: enum tty_code_code code;
46: const char *string;
47:
48: int key;
49: int flags;
1.20 nicm 50: #define TTYKEY_RAW 0x1
1.1 nicm 51: };
52:
1.16 nicm 53: /*
54: * Default key tables. Those flagged with TTYKEY_RAW are inserted directly,
1.20 nicm 55: * otherwise they are looked up in terminfo(5).
1.16 nicm 56: */
1.1 nicm 57: struct tty_key_ent tty_keys[] = {
58: /* Function keys. */
1.20 nicm 59: { TTYC_KF1, NULL, KEYC_F1, 0 },
60: { TTYC_KF2, NULL, KEYC_F2, 0 },
61: { TTYC_KF3, NULL, KEYC_F3, 0 },
62: { TTYC_KF4, NULL, KEYC_F4, 0 },
63: { TTYC_KF5, NULL, KEYC_F5, 0 },
64: { TTYC_KF6, NULL, KEYC_F6, 0 },
65: { TTYC_KF7, NULL, KEYC_F7, 0 },
66: { TTYC_KF8, NULL, KEYC_F8, 0 },
67: { TTYC_KF9, NULL, KEYC_F9, 0 },
68: { TTYC_KF10, NULL, KEYC_F10, 0 },
69: { TTYC_KF11, NULL, KEYC_F11, 0 },
70: { TTYC_KF12, NULL, KEYC_F12, 0 },
71: { TTYC_KF13, NULL, KEYC_F13, 0 },
72: { TTYC_KF14, NULL, KEYC_F14, 0 },
73: { TTYC_KF15, NULL, KEYC_F15, 0 },
74: { TTYC_KF16, NULL, KEYC_F16, 0 },
75: { TTYC_KF17, NULL, KEYC_F17, 0 },
76: { TTYC_KF18, NULL, KEYC_F18, 0 },
77: { TTYC_KF19, NULL, KEYC_F19, 0 },
78: { TTYC_KF20, NULL, KEYC_F20, 0 },
79: { TTYC_KICH1, NULL, KEYC_IC, 0 },
80: { TTYC_KDCH1, NULL, KEYC_DC, 0 },
81: { TTYC_KHOME, NULL, KEYC_HOME, 0 },
82: { TTYC_KEND, NULL, KEYC_END, 0 },
83: { TTYC_KNP, NULL, KEYC_NPAGE, 0 },
84: { TTYC_KPP, NULL, KEYC_PPAGE, 0 },
85: { TTYC_KCBT, NULL, KEYC_BTAB, 0 },
1.1 nicm 86:
1.12 nicm 87: /* Arrow keys. */
1.8 nicm 88: { 0, "\033OA", KEYC_UP, TTYKEY_RAW },
89: { 0, "\033OB", KEYC_DOWN, TTYKEY_RAW },
90: { 0, "\033OC", KEYC_RIGHT, TTYKEY_RAW },
91: { 0, "\033OD", KEYC_LEFT, TTYKEY_RAW },
92:
1.12 nicm 93: { 0, "\033[A", KEYC_UP, TTYKEY_RAW },
94: { 0, "\033[B", KEYC_DOWN, TTYKEY_RAW },
95: { 0, "\033[C", KEYC_RIGHT, TTYKEY_RAW },
96: { 0, "\033[D", KEYC_LEFT, TTYKEY_RAW },
1.8 nicm 97:
1.20 nicm 98: { TTYC_KCUU1, NULL, KEYC_UP, 0 },
99: { TTYC_KCUD1, NULL, KEYC_DOWN, 0 },
100: { TTYC_KCUB1, NULL, KEYC_LEFT, 0 },
101: { TTYC_KCUF1, NULL, KEYC_RIGHT, 0 },
1.12 nicm 102:
1.1 nicm 103: /*
1.8 nicm 104: * Numeric keypad. Just use the vt100 escape sequences here and always
105: * put the terminal into keypad_xmit mode. Translation of numbers
106: * mode/applications mode is done in input-keys.c.
1.1 nicm 107: */
1.8 nicm 108: { 0, "\033Oo", KEYC_KP_SLASH, TTYKEY_RAW },
109: { 0, "\033Oj", KEYC_KP_STAR, TTYKEY_RAW },
110: { 0, "\033Om", KEYC_KP_MINUS, TTYKEY_RAW },
111: { 0, "\033Ow", KEYC_KP_SEVEN, TTYKEY_RAW },
112: { 0, "\033Ox", KEYC_KP_EIGHT, TTYKEY_RAW },
113: { 0, "\033Oy", KEYC_KP_NINE, TTYKEY_RAW },
114: { 0, "\033Ok", KEYC_KP_PLUS, TTYKEY_RAW },
115: { 0, "\033Ot", KEYC_KP_FOUR, TTYKEY_RAW },
116: { 0, "\033Ou", KEYC_KP_FIVE, TTYKEY_RAW },
117: { 0, "\033Ov", KEYC_KP_SIX, TTYKEY_RAW },
118: { 0, "\033Oq", KEYC_KP_ONE, TTYKEY_RAW },
119: { 0, "\033Or", KEYC_KP_TWO, TTYKEY_RAW },
120: { 0, "\033Os", KEYC_KP_THREE, TTYKEY_RAW },
121: { 0, "\033OM", KEYC_KP_ENTER, TTYKEY_RAW },
122: { 0, "\033Op", KEYC_KP_ZERO, TTYKEY_RAW },
123: { 0, "\033On", KEYC_KP_PERIOD, TTYKEY_RAW },
1.10 nicm 124:
125: /* Key and modifier capabilities. */
126: { TTYC_KDC2, NULL, KEYC_DC|KEYC_SHIFT, 0 },
127: { TTYC_KDC3, NULL, KEYC_DC|KEYC_ESCAPE, 0 },
128: { TTYC_KDC4, NULL, KEYC_DC|KEYC_SHIFT|KEYC_ESCAPE, 0 },
129: { TTYC_KDC5, NULL, KEYC_DC|KEYC_CTRL, 0 },
130: { TTYC_KDC6, NULL, KEYC_DC|KEYC_SHIFT|KEYC_CTRL, 0 },
131: { TTYC_KDC7, NULL, KEYC_DC|KEYC_ESCAPE|KEYC_CTRL, 0 },
132: { TTYC_KDN2, NULL, KEYC_DOWN|KEYC_SHIFT, 0 },
133: { TTYC_KDN3, NULL, KEYC_DOWN|KEYC_ESCAPE, 0 },
134: { TTYC_KDN4, NULL, KEYC_DOWN|KEYC_SHIFT|KEYC_ESCAPE, 0 },
135: { TTYC_KDN5, NULL, KEYC_DOWN|KEYC_CTRL, 0 },
136: { TTYC_KDN6, NULL, KEYC_DOWN|KEYC_SHIFT|KEYC_CTRL, 0 },
137: { TTYC_KDN7, NULL, KEYC_DOWN|KEYC_ESCAPE|KEYC_CTRL, 0 },
138: { TTYC_KEND2, NULL, KEYC_END|KEYC_SHIFT, 0 },
139: { TTYC_KEND3, NULL, KEYC_END|KEYC_ESCAPE, 0 },
140: { TTYC_KEND4, NULL, KEYC_END|KEYC_SHIFT|KEYC_ESCAPE, 0 },
141: { TTYC_KEND5, NULL, KEYC_END|KEYC_CTRL, 0 },
142: { TTYC_KEND6, NULL, KEYC_END|KEYC_SHIFT|KEYC_CTRL, 0 },
143: { TTYC_KEND7, NULL, KEYC_END|KEYC_ESCAPE|KEYC_CTRL, 0 },
144: { TTYC_KHOM2, NULL, KEYC_HOME|KEYC_SHIFT, 0 },
145: { TTYC_KHOM3, NULL, KEYC_HOME|KEYC_ESCAPE, 0 },
146: { TTYC_KHOM4, NULL, KEYC_HOME|KEYC_SHIFT|KEYC_ESCAPE, 0 },
147: { TTYC_KHOM5, NULL, KEYC_HOME|KEYC_CTRL, 0 },
148: { TTYC_KHOM6, NULL, KEYC_HOME|KEYC_SHIFT|KEYC_CTRL, 0 },
149: { TTYC_KHOM7, NULL, KEYC_HOME|KEYC_ESCAPE|KEYC_CTRL, 0 },
150: { TTYC_KIC2, NULL, KEYC_IC|KEYC_SHIFT, 0 },
151: { TTYC_KIC3, NULL, KEYC_IC|KEYC_ESCAPE, 0 },
152: { TTYC_KIC4, NULL, KEYC_IC|KEYC_SHIFT|KEYC_ESCAPE, 0 },
153: { TTYC_KIC5, NULL, KEYC_IC|KEYC_CTRL, 0 },
154: { TTYC_KIC6, NULL, KEYC_IC|KEYC_SHIFT|KEYC_CTRL, 0 },
155: { TTYC_KIC7, NULL, KEYC_IC|KEYC_ESCAPE|KEYC_CTRL, 0 },
156: { TTYC_KLFT2, NULL, KEYC_LEFT|KEYC_SHIFT, 0 },
157: { TTYC_KLFT3, NULL, KEYC_LEFT|KEYC_ESCAPE, 0 },
158: { TTYC_KLFT4, NULL, KEYC_LEFT|KEYC_SHIFT|KEYC_ESCAPE, 0 },
159: { TTYC_KLFT5, NULL, KEYC_LEFT|KEYC_CTRL, 0 },
160: { TTYC_KLFT6, NULL, KEYC_LEFT|KEYC_SHIFT|KEYC_CTRL, 0 },
161: { TTYC_KLFT7, NULL, KEYC_LEFT|KEYC_ESCAPE|KEYC_CTRL, 0 },
162: { TTYC_KNXT2, NULL, KEYC_NPAGE|KEYC_SHIFT, 0 },
163: { TTYC_KNXT3, NULL, KEYC_NPAGE|KEYC_ESCAPE, 0 },
164: { TTYC_KNXT4, NULL, KEYC_NPAGE|KEYC_SHIFT|KEYC_ESCAPE, 0 },
165: { TTYC_KNXT5, NULL, KEYC_NPAGE|KEYC_CTRL, 0 },
166: { TTYC_KNXT6, NULL, KEYC_NPAGE|KEYC_SHIFT|KEYC_CTRL, 0 },
167: { TTYC_KNXT7, NULL, KEYC_NPAGE|KEYC_ESCAPE|KEYC_CTRL, 0 },
168: { TTYC_KPRV2, NULL, KEYC_PPAGE|KEYC_SHIFT, 0 },
169: { TTYC_KPRV3, NULL, KEYC_PPAGE|KEYC_ESCAPE, 0 },
170: { TTYC_KPRV4, NULL, KEYC_PPAGE|KEYC_SHIFT|KEYC_ESCAPE, 0 },
171: { TTYC_KPRV5, NULL, KEYC_PPAGE|KEYC_CTRL, 0 },
172: { TTYC_KPRV6, NULL, KEYC_PPAGE|KEYC_SHIFT|KEYC_CTRL, 0 },
173: { TTYC_KPRV7, NULL, KEYC_PPAGE|KEYC_ESCAPE|KEYC_CTRL, 0 },
174: { TTYC_KRIT2, NULL, KEYC_RIGHT|KEYC_SHIFT, 0 },
175: { TTYC_KRIT3, NULL, KEYC_RIGHT|KEYC_ESCAPE, 0 },
176: { TTYC_KRIT4, NULL, KEYC_RIGHT|KEYC_SHIFT|KEYC_ESCAPE, 0 },
177: { TTYC_KRIT5, NULL, KEYC_RIGHT|KEYC_CTRL, 0 },
178: { TTYC_KRIT6, NULL, KEYC_RIGHT|KEYC_SHIFT|KEYC_CTRL, 0 },
179: { TTYC_KRIT7, NULL, KEYC_RIGHT|KEYC_ESCAPE|KEYC_CTRL, 0 },
180: { TTYC_KUP2, NULL, KEYC_UP|KEYC_SHIFT, 0 },
181: { TTYC_KUP3, NULL, KEYC_UP|KEYC_ESCAPE, 0 },
182: { TTYC_KUP4, NULL, KEYC_UP|KEYC_SHIFT|KEYC_ESCAPE, 0 },
183: { TTYC_KUP5, NULL, KEYC_UP|KEYC_CTRL, 0 },
184: { TTYC_KUP6, NULL, KEYC_UP|KEYC_SHIFT|KEYC_CTRL, 0 },
185: { TTYC_KUP7, NULL, KEYC_UP|KEYC_ESCAPE|KEYC_CTRL, 0 },
1.21 nicm 186:
187: /* rxvt-style arrow + modifier keys. */
188: { 0, "\033Oa", KEYC_UP|KEYC_CTRL, TTYKEY_RAW },
189: { 0, "\033Ob", KEYC_DOWN|KEYC_CTRL, TTYKEY_RAW },
190: { 0, "\033Oc", KEYC_RIGHT|KEYC_CTRL, TTYKEY_RAW },
191: { 0, "\033Od", KEYC_LEFT|KEYC_CTRL, TTYKEY_RAW },
192:
193: { 0, "\033[a", KEYC_UP|KEYC_SHIFT, TTYKEY_RAW },
194: { 0, "\033[b", KEYC_DOWN|KEYC_SHIFT, TTYKEY_RAW },
195: { 0, "\033[c", KEYC_RIGHT|KEYC_SHIFT, TTYKEY_RAW },
196: { 0, "\033[d", KEYC_LEFT|KEYC_SHIFT, TTYKEY_RAW },
197:
198: /*
199: * rxvt-style function + modifier keys:
200: * Ctrl = ^, Shift = $, Ctrl+Shift = @
201: */
202: { 0, "\033[11^", KEYC_F1|KEYC_CTRL, TTYKEY_RAW },
203: { 0, "\033[12^", KEYC_F2|KEYC_CTRL, TTYKEY_RAW },
204: { 0, "\033[13^", KEYC_F3|KEYC_CTRL, TTYKEY_RAW },
205: { 0, "\033[14^", KEYC_F4|KEYC_CTRL, TTYKEY_RAW },
206: { 0, "\033[15^", KEYC_F5|KEYC_CTRL, TTYKEY_RAW },
207: { 0, "\033[17^", KEYC_F6|KEYC_CTRL, TTYKEY_RAW },
208: { 0, "\033[18^", KEYC_F7|KEYC_CTRL, TTYKEY_RAW },
209: { 0, "\033[19^", KEYC_F8|KEYC_CTRL, TTYKEY_RAW },
210: { 0, "\033[20^", KEYC_F9|KEYC_CTRL, TTYKEY_RAW },
211: { 0, "\033[21^", KEYC_F10|KEYC_CTRL, TTYKEY_RAW },
212: { 0, "\033[23^", KEYC_F11|KEYC_CTRL, TTYKEY_RAW },
213: { 0, "\033[24^", KEYC_F12|KEYC_CTRL, TTYKEY_RAW },
214: { 0, "\033[25^", KEYC_F13|KEYC_CTRL, TTYKEY_RAW },
215: { 0, "\033[26^", KEYC_F14|KEYC_CTRL, TTYKEY_RAW },
216: { 0, "\033[28^", KEYC_F15|KEYC_CTRL, TTYKEY_RAW },
217: { 0, "\033[29^", KEYC_F16|KEYC_CTRL, TTYKEY_RAW },
218: { 0, "\033[31^", KEYC_F17|KEYC_CTRL, TTYKEY_RAW },
219: { 0, "\033[32^", KEYC_F18|KEYC_CTRL, TTYKEY_RAW },
220: { 0, "\033[33^", KEYC_F19|KEYC_CTRL, TTYKEY_RAW },
221: { 0, "\033[34^", KEYC_F20|KEYC_CTRL, TTYKEY_RAW },
222: { 0, "\033[2^", KEYC_IC|KEYC_CTRL, TTYKEY_RAW },
223: { 0, "\033[3^", KEYC_DC|KEYC_CTRL, TTYKEY_RAW },
224: { 0, "\033[7^", KEYC_HOME|KEYC_CTRL, TTYKEY_RAW },
225: { 0, "\033[8^", KEYC_END|KEYC_CTRL, TTYKEY_RAW },
226: { 0, "\033[6^", KEYC_NPAGE|KEYC_CTRL, TTYKEY_RAW },
227: { 0, "\033[5^", KEYC_PPAGE|KEYC_CTRL, TTYKEY_RAW },
228:
229: { 0, "\033[11$", KEYC_F1|KEYC_SHIFT, TTYKEY_RAW },
230: { 0, "\033[12$", KEYC_F2|KEYC_SHIFT, TTYKEY_RAW },
231: { 0, "\033[13$", KEYC_F3|KEYC_SHIFT, TTYKEY_RAW },
232: { 0, "\033[14$", KEYC_F4|KEYC_SHIFT, TTYKEY_RAW },
233: { 0, "\033[15$", KEYC_F5|KEYC_SHIFT, TTYKEY_RAW },
234: { 0, "\033[17$", KEYC_F6|KEYC_SHIFT, TTYKEY_RAW },
235: { 0, "\033[18$", KEYC_F7|KEYC_SHIFT, TTYKEY_RAW },
236: { 0, "\033[19$", KEYC_F8|KEYC_SHIFT, TTYKEY_RAW },
237: { 0, "\033[20$", KEYC_F9|KEYC_SHIFT, TTYKEY_RAW },
238: { 0, "\033[21$", KEYC_F10|KEYC_SHIFT, TTYKEY_RAW },
239: { 0, "\033[23$", KEYC_F11|KEYC_SHIFT, TTYKEY_RAW },
240: { 0, "\033[24$", KEYC_F12|KEYC_SHIFT, TTYKEY_RAW },
241: { 0, "\033[25$", KEYC_F13|KEYC_SHIFT, TTYKEY_RAW },
242: { 0, "\033[26$", KEYC_F14|KEYC_SHIFT, TTYKEY_RAW },
243: { 0, "\033[28$", KEYC_F15|KEYC_SHIFT, TTYKEY_RAW },
244: { 0, "\033[29$", KEYC_F16|KEYC_SHIFT, TTYKEY_RAW },
245: { 0, "\033[31$", KEYC_F17|KEYC_SHIFT, TTYKEY_RAW },
246: { 0, "\033[32$", KEYC_F18|KEYC_SHIFT, TTYKEY_RAW },
247: { 0, "\033[33$", KEYC_F19|KEYC_SHIFT, TTYKEY_RAW },
248: { 0, "\033[34$", KEYC_F20|KEYC_SHIFT, TTYKEY_RAW },
249: { 0, "\033[2$", KEYC_IC|KEYC_SHIFT, TTYKEY_RAW },
250: { 0, "\033[3$", KEYC_DC|KEYC_SHIFT, TTYKEY_RAW },
251: { 0, "\033[7$", KEYC_HOME|KEYC_SHIFT, TTYKEY_RAW },
252: { 0, "\033[8$", KEYC_END|KEYC_SHIFT, TTYKEY_RAW },
253: { 0, "\033[6$", KEYC_NPAGE|KEYC_SHIFT, TTYKEY_RAW },
254: { 0, "\033[5$", KEYC_PPAGE|KEYC_SHIFT, TTYKEY_RAW },
255:
256: { 0, "\033[11@", KEYC_F1|KEYC_CTRL|KEYC_SHIFT, TTYKEY_RAW },
257: { 0, "\033[12@", KEYC_F2|KEYC_CTRL|KEYC_SHIFT, TTYKEY_RAW },
258: { 0, "\033[13@", KEYC_F3|KEYC_CTRL|KEYC_SHIFT, TTYKEY_RAW },
259: { 0, "\033[14@", KEYC_F4|KEYC_CTRL|KEYC_SHIFT, TTYKEY_RAW },
260: { 0, "\033[15@", KEYC_F5|KEYC_CTRL|KEYC_SHIFT, TTYKEY_RAW },
261: { 0, "\033[17@", KEYC_F6|KEYC_CTRL|KEYC_SHIFT, TTYKEY_RAW },
262: { 0, "\033[18@", KEYC_F7|KEYC_CTRL|KEYC_SHIFT, TTYKEY_RAW },
263: { 0, "\033[19@", KEYC_F8|KEYC_CTRL|KEYC_SHIFT, TTYKEY_RAW },
264: { 0, "\033[20@", KEYC_F9|KEYC_CTRL|KEYC_SHIFT, TTYKEY_RAW },
265: { 0, "\033[21@", KEYC_F10|KEYC_CTRL|KEYC_SHIFT, TTYKEY_RAW },
266: { 0, "\033[23@", KEYC_F11|KEYC_CTRL|KEYC_SHIFT, TTYKEY_RAW },
267: { 0, "\033[24@", KEYC_F12|KEYC_CTRL|KEYC_SHIFT, TTYKEY_RAW },
268: { 0, "\033[25@", KEYC_F13|KEYC_CTRL|KEYC_SHIFT, TTYKEY_RAW },
269: { 0, "\033[26@", KEYC_F14|KEYC_CTRL|KEYC_SHIFT, TTYKEY_RAW },
270: { 0, "\033[28@", KEYC_F15|KEYC_CTRL|KEYC_SHIFT, TTYKEY_RAW },
271: { 0, "\033[29@", KEYC_F16|KEYC_CTRL|KEYC_SHIFT, TTYKEY_RAW },
272: { 0, "\033[31@", KEYC_F17|KEYC_CTRL|KEYC_SHIFT, TTYKEY_RAW },
273: { 0, "\033[32@", KEYC_F18|KEYC_CTRL|KEYC_SHIFT, TTYKEY_RAW },
274: { 0, "\033[33@", KEYC_F19|KEYC_CTRL|KEYC_SHIFT, TTYKEY_RAW },
275: { 0, "\033[34@", KEYC_F20|KEYC_CTRL|KEYC_SHIFT, TTYKEY_RAW },
276: { 0, "\033[2@", KEYC_IC|KEYC_CTRL|KEYC_SHIFT, TTYKEY_RAW },
277: { 0, "\033[3@", KEYC_DC|KEYC_CTRL|KEYC_SHIFT, TTYKEY_RAW },
278: { 0, "\033[7@", KEYC_HOME|KEYC_CTRL|KEYC_SHIFT, TTYKEY_RAW },
279: { 0, "\033[8@", KEYC_END|KEYC_CTRL|KEYC_SHIFT, TTYKEY_RAW },
280: { 0, "\033[6@", KEYC_NPAGE|KEYC_CTRL|KEYC_SHIFT,TTYKEY_RAW },
281: { 0, "\033[5@", KEYC_PPAGE|KEYC_CTRL|KEYC_SHIFT,TTYKEY_RAW },
1.1 nicm 282: };
283:
1.16 nicm 284: void
285: tty_keys_add(struct tty *tty, const char *s, int key)
286: {
287: size_t size;
1.1 nicm 288:
1.16 nicm 289: if (tty_keys_find(tty, s, strlen(s), &size) == NULL) {
290: log_debug("new key 0x%x: %s", key, s);
291: tty_keys_add1(&tty->key_tree, s, key);
292: }
1.1 nicm 293: }
294:
1.16 nicm 295: /* Add next node to the tree. */
1.1 nicm 296: void
1.16 nicm 297: tty_keys_add1(struct tty_key **tkp, const char *s, int key)
1.1 nicm 298: {
1.16 nicm 299: struct tty_key *tk;
1.1 nicm 300:
1.16 nicm 301: /* Allocate a tree entry if there isn't one already. */
302: tk = *tkp;
303: if (tk == NULL) {
304: tk = *tkp = xcalloc(1, sizeof *tk);
305: tk->ch = *s;
306: tk->key = KEYC_NONE;
307: }
308:
309: /* Find the next entry. */
310: if (*s == tk->ch) {
311: /* Move forward in string. */
312: s++;
313:
314: /* If this is the end of the string, no more is necessary. */
315: if (*s == '\0') {
316: tk->key = key;
317: return;
318: }
319:
320: /* Use the child tree for the next character. */
321: tkp = &tk->next;
322: } else {
323: if (*s < tk->ch)
324: tkp = &tk->left;
325: else if (*s > tk->ch)
326: tkp = &tk->right;
327: }
328:
329: /* And recurse to add it. */
330: tty_keys_add1(tkp, s, key);
1.1 nicm 331: }
332:
1.16 nicm 333: /* Initialise a key tree from the table. */
1.1 nicm 334: void
335: tty_keys_init(struct tty *tty)
336: {
337: struct tty_key_ent *tke;
338: u_int i;
339: const char *s;
340:
1.16 nicm 341: tty->key_tree = NULL;
1.1 nicm 342: for (i = 0; i < nitems(tty_keys); i++) {
343: tke = &tty_keys[i];
344:
345: if (tke->flags & TTYKEY_RAW)
346: s = tke->string;
347: else {
348: if (!tty_term_has(tty->term, tke->code))
349: continue;
350: s = tty_term_string(tty->term, tke->code);
351: }
1.16 nicm 352: if (s[0] != '\033' || s[1] == '\0')
353: continue;
1.1 nicm 354:
1.15 nicm 355: tty_keys_add(tty, s + 1, tke->key);
1.1 nicm 356: }
357: }
358:
1.16 nicm 359: /* Free the entire key tree. */
1.1 nicm 360: void
361: tty_keys_free(struct tty *tty)
362: {
1.16 nicm 363: tty_keys_free1(tty->key_tree);
364: }
1.1 nicm 365:
1.16 nicm 366: /* Free a single key. */
367: void
368: tty_keys_free1(struct tty_key *tk)
369: {
370: if (tk->next != NULL)
371: tty_keys_free1(tk->next);
372: if (tk->left != NULL)
373: tty_keys_free1(tk->left);
374: if (tk->right != NULL)
375: tty_keys_free1(tk->right);
376: xfree(tk);
377:
1.1 nicm 378: }
379:
1.16 nicm 380: /* Lookup a key in the tree. */
1.1 nicm 381: struct tty_key *
1.16 nicm 382: tty_keys_find(struct tty *tty, const char *buf, size_t len, size_t *size)
1.1 nicm 383: {
1.16 nicm 384: *size = 0;
385: return (tty_keys_find1(tty->key_tree, buf, len, size));
386: }
1.1 nicm 387:
1.16 nicm 388: /* Find the next node. */
389: struct tty_key *
390: tty_keys_find1(struct tty_key *tk, const char *buf, size_t len, size_t *size)
391: {
392: /* If the node is NULL, this is the end of the tree. No match. */
393: if (tk == NULL)
1.1 nicm 394: return (NULL);
395:
1.16 nicm 396: /* Pick the next in the sequence. */
397: if (tk->ch == *buf) {
398: /* Move forward in the string. */
399: buf++; len--;
400: (*size)++;
1.1 nicm 401:
1.16 nicm 402: /* At the end of the string, return the current node. */
403: if (len == 0)
404: return (tk);
1.1 nicm 405:
1.16 nicm 406: /* Move into the next tree for the following character. */
407: tk = tk->next;
408: } else {
409: if (*buf < tk->ch)
410: tk = tk->left;
411: else if (*buf > tk->ch)
412: tk = tk->right;
1.1 nicm 413: }
414:
1.16 nicm 415: /* Move to the next in the tree. */
416: return (tty_keys_find1(tk, buf, len, size));
1.1 nicm 417: }
418:
1.16 nicm 419: /*
420: * Process at least one key in the buffer and invoke tty->key_callback. Return
1.22 nicm 421: * 0 if there are no further keys, or 1 if there could be more in the buffer.
1.16 nicm 422: */
1.1 nicm 423: int
1.14 nicm 424: tty_keys_next(struct tty *tty)
1.1 nicm 425: {
1.14 nicm 426: struct tty_key *tk;
427: struct timeval tv;
428: struct mouse_event mouse;
1.18 nicm 429: const char *buf;
1.14 nicm 430: size_t len, size;
431: cc_t bspace;
432: int key;
1.1 nicm 433:
1.13 nicm 434: buf = EVBUFFER_DATA(tty->event->input);
435: len = EVBUFFER_LENGTH(tty->event->input);
1.1 nicm 436: if (len == 0)
1.14 nicm 437: return (0);
1.1 nicm 438: log_debug("keys are %zu (%.*s)", len, (int) len, buf);
439:
440: /* If a normal key, return it. */
441: if (*buf != '\033') {
1.19 nicm 442: key = (u_char) *buf;
1.16 nicm 443: evbuffer_drain(tty->event->input, 1);
1.3 nicm 444:
445: /*
446: * Check for backspace key using termios VERASE - the terminfo
447: * kbs entry is extremely unreliable, so cannot be safely
448: * used. termios should have a better idea.
449: */
450: bspace = tty->tio.c_cc[VERASE];
1.14 nicm 451: if (bspace != _POSIX_VDISABLE && key == bspace)
452: key = KEYC_BSPACE;
1.16 nicm 453: goto handle_key;
1.1 nicm 454: }
455:
456: /* Look for matching key string and return if found. */
457: tk = tty_keys_find(tty, buf + 1, len - 1, &size);
458: if (tk != NULL) {
1.14 nicm 459: key = tk->key;
1.16 nicm 460: goto found_key;
1.1 nicm 461: }
462:
463: /* Not found. Is this a mouse key press? */
1.22 nicm 464: switch (tty_keys_mouse(buf, len, &size, &mouse)) {
465: case 0: /* yes */
1.13 nicm 466: evbuffer_drain(tty->event->input, size);
1.22 nicm 467: key = KEYC_MOUSE;
1.16 nicm 468: goto handle_key;
1.22 nicm 469: case -1: /* no, or not valid */
470: evbuffer_drain(tty->event->input, size);
471: return (1);
472: case 1: /* partial */
473: goto partial_key;
1.11 nicm 474: }
475:
1.22 nicm 476:
1.11 nicm 477: /* Not found. Try to parse a key with an xterm-style modifier. */
1.14 nicm 478: key = xterm_keys_find(buf, len, &size);
479: if (key != KEYC_NONE) {
1.13 nicm 480: evbuffer_drain(tty->event->input, size);
1.16 nicm 481: goto handle_key;
1.1 nicm 482: }
483:
484: /* Skip the escape. */
485: buf++;
486: len--;
487:
488: /* Is there a normal key following? */
489: if (len != 0 && *buf != '\033') {
1.16 nicm 490: key = *buf | KEYC_ESCAPE;
491: evbuffer_drain(tty->event->input, 2);
492: goto handle_key;
1.1 nicm 493: }
494:
495: /* Or a key string? */
496: if (len > 1) {
497: tk = tty_keys_find(tty, buf + 1, len - 1, &size);
498: if (tk != NULL) {
1.14 nicm 499: key = tk->key | KEYC_ESCAPE;
1.16 nicm 500: size++; /* include escape */
501: goto found_key;
1.1 nicm 502: }
503: }
504:
1.16 nicm 505: /* Escape and then nothing useful - fall through. */
506:
507: partial_key:
1.14 nicm 508: /*
1.16 nicm 509: * Escape but no key string. If have already seen an escape, then the
1.14 nicm 510: * timer must have expired, so give up waiting and send the escape.
511: */
512: if (tty->flags & TTY_ESCAPE) {
513: evbuffer_drain(tty->event->input, 1);
514: key = '\033';
1.16 nicm 515: goto handle_key;
1.14 nicm 516: }
517:
1.16 nicm 518: /* Fall through to start the timer. */
519:
520: start_timer:
1.14 nicm 521: /* Start the timer and wait for expiry or more data. */
522: tv.tv_sec = 0;
523: tv.tv_usec = ESCAPE_PERIOD * 1000L;
524:
525: evtimer_del(&tty->key_timer);
526: evtimer_set(&tty->key_timer, tty_keys_callback, tty);
527: evtimer_add(&tty->key_timer, &tv);
528:
529: tty->flags |= TTY_ESCAPE;
530: return (0);
1.1 nicm 531:
1.16 nicm 532: found_key:
533: if (tk->next != NULL) {
534: /* Partial key. Start the timer if not already expired. */
535: if (!(tty->flags & TTY_ESCAPE))
536: goto start_timer;
537:
538: /* Otherwise, if no key, send the escape alone. */
539: if (tk->key == KEYC_NONE)
540: goto partial_key;
541:
542: /* Or fall through to send the partial key found. */
543: }
544: evbuffer_drain(tty->event->input, size + 1);
545:
546: goto handle_key;
547:
548: handle_key:
549: evtimer_del(&tty->key_timer);
550:
1.14 nicm 551: tty->key_callback(key, &mouse, tty->key_data);
1.16 nicm 552:
1.1 nicm 553: tty->flags &= ~TTY_ESCAPE;
1.14 nicm 554: return (1);
555: }
556:
1.16 nicm 557: /* Key timer callback. */
1.23 ! nicm 558: /* ARGSUSED */
1.14 nicm 559: void
560: tty_keys_callback(unused int fd, unused short events, void *data)
561: {
562: struct tty *tty = data;
563:
1.16 nicm 564: if (!(tty->flags & TTY_ESCAPE))
565: return;
566:
567: while (tty_keys_next(tty))
568: ;
1.1 nicm 569: }
570:
1.22 nicm 571: /*
572: * Handle mouse key input. Returns 0 for success, -1 for failure, 1 for partial
573: * (probably a mouse sequence but need more data).
574: */
1.1 nicm 575: int
1.18 nicm 576: tty_keys_mouse(const char *buf, size_t len, size_t *size, struct mouse_event *m)
1.1 nicm 577: {
578: /*
579: * Mouse sequences are \033[M followed by three characters indicating
580: * buttons, X and Y, all based at 32 with 1,1 top-left.
581: */
582:
1.22 nicm 583: *size = 0;
584:
585: if (buf[0] != '\033')
586: return (-1);
587: if (len == 1)
588: return (1);
589:
590: if (buf[1] != '[')
591: return (-1);
592: if (len == 2)
593: return (1);
594:
595: if (buf[2] != 'M')
596: return (-1);
597: if (len == 3)
598: return (1);
599:
600: if (len < 6)
601: return (1);
1.1 nicm 602: *size = 6;
1.16 nicm 603:
1.22 nicm 604: log_debug("mouse input is: %.6s", buf);
1.1 nicm 605:
1.5 nicm 606: m->b = buf[3];
607: m->x = buf[4];
608: m->y = buf[5];
609: if (m->b < 32 || m->x < 33 || m->y < 33)
1.22 nicm 610: return (-1);
1.5 nicm 611: m->b -= 32;
612: m->x -= 33;
613: m->y -= 33;
1.22 nicm 614: return (0);
1.1 nicm 615: }
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