Annotation of src/usr.bin/tmux/tty-keys.c, Revision 1.34
1.34 ! nicm 1: /* $OpenBSD: tty-keys.c,v 1.33 2011/01/03 23:35:22 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(
1.27 nicm 38: struct tty_key *, const char *, size_t, size_t *);
1.16 nicm 39: struct tty_key *tty_keys_find(struct tty *, const char *, size_t, size_t *);
40: void tty_keys_callback(int, short, void *);
1.33 nicm 41: int tty_keys_mouse(struct tty *,
1.18 nicm 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:
1.27 nicm 53: /*
1.16 nicm 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: */
1.32 nicm 57: const struct tty_key_ent tty_keys[] = {
1.1 nicm 58: /*
1.8 nicm 59: * Numeric keypad. Just use the vt100 escape sequences here and always
60: * put the terminal into keypad_xmit mode. Translation of numbers
61: * mode/applications mode is done in input-keys.c.
1.1 nicm 62: */
1.29 nicm 63: { 0, "\033Oo", KEYC_KP_SLASH, TTYKEY_RAW },
64: { 0, "\033Oj", KEYC_KP_STAR, TTYKEY_RAW },
65: { 0, "\033Om", KEYC_KP_MINUS, TTYKEY_RAW },
66: { 0, "\033Ow", KEYC_KP_SEVEN, TTYKEY_RAW },
67: { 0, "\033Ox", KEYC_KP_EIGHT, TTYKEY_RAW },
68: { 0, "\033Oy", KEYC_KP_NINE, TTYKEY_RAW },
69: { 0, "\033Ok", KEYC_KP_PLUS, TTYKEY_RAW },
70: { 0, "\033Ot", KEYC_KP_FOUR, TTYKEY_RAW },
71: { 0, "\033Ou", KEYC_KP_FIVE, TTYKEY_RAW },
72: { 0, "\033Ov", KEYC_KP_SIX, TTYKEY_RAW },
73: { 0, "\033Oq", KEYC_KP_ONE, TTYKEY_RAW },
74: { 0, "\033Or", KEYC_KP_TWO, TTYKEY_RAW },
75: { 0, "\033Os", KEYC_KP_THREE, TTYKEY_RAW },
76: { 0, "\033OM", KEYC_KP_ENTER, TTYKEY_RAW },
77: { 0, "\033Op", KEYC_KP_ZERO, TTYKEY_RAW },
78: { 0, "\033On", KEYC_KP_PERIOD, TTYKEY_RAW },
1.10 nicm 79:
1.29 nicm 80: /* Arrow keys. */
81: { 0, "\033OA", KEYC_UP, TTYKEY_RAW },
82: { 0, "\033OB", KEYC_DOWN, TTYKEY_RAW },
83: { 0, "\033OC", KEYC_RIGHT, TTYKEY_RAW },
84: { 0, "\033OD", KEYC_LEFT, TTYKEY_RAW },
85:
86: { 0, "\033[A", KEYC_UP, TTYKEY_RAW },
87: { 0, "\033[B", KEYC_DOWN, TTYKEY_RAW },
88: { 0, "\033[C", KEYC_RIGHT, TTYKEY_RAW },
89: { 0, "\033[D", KEYC_LEFT, TTYKEY_RAW },
1.21 nicm 90:
91: /* rxvt-style arrow + modifier keys. */
92: { 0, "\033Oa", KEYC_UP|KEYC_CTRL, TTYKEY_RAW },
93: { 0, "\033Ob", KEYC_DOWN|KEYC_CTRL, TTYKEY_RAW },
94: { 0, "\033Oc", KEYC_RIGHT|KEYC_CTRL, TTYKEY_RAW },
95: { 0, "\033Od", KEYC_LEFT|KEYC_CTRL, TTYKEY_RAW },
96:
97: { 0, "\033[a", KEYC_UP|KEYC_SHIFT, TTYKEY_RAW },
98: { 0, "\033[b", KEYC_DOWN|KEYC_SHIFT, TTYKEY_RAW },
99: { 0, "\033[c", KEYC_RIGHT|KEYC_SHIFT, TTYKEY_RAW },
100: { 0, "\033[d", KEYC_LEFT|KEYC_SHIFT, TTYKEY_RAW },
101:
102: /*
103: * rxvt-style function + modifier keys:
104: * Ctrl = ^, Shift = $, Ctrl+Shift = @
105: */
106: { 0, "\033[11^", KEYC_F1|KEYC_CTRL, TTYKEY_RAW },
107: { 0, "\033[12^", KEYC_F2|KEYC_CTRL, TTYKEY_RAW },
108: { 0, "\033[13^", KEYC_F3|KEYC_CTRL, TTYKEY_RAW },
109: { 0, "\033[14^", KEYC_F4|KEYC_CTRL, TTYKEY_RAW },
110: { 0, "\033[15^", KEYC_F5|KEYC_CTRL, TTYKEY_RAW },
111: { 0, "\033[17^", KEYC_F6|KEYC_CTRL, TTYKEY_RAW },
112: { 0, "\033[18^", KEYC_F7|KEYC_CTRL, TTYKEY_RAW },
113: { 0, "\033[19^", KEYC_F8|KEYC_CTRL, TTYKEY_RAW },
114: { 0, "\033[20^", KEYC_F9|KEYC_CTRL, TTYKEY_RAW },
115: { 0, "\033[21^", KEYC_F10|KEYC_CTRL, TTYKEY_RAW },
116: { 0, "\033[23^", KEYC_F11|KEYC_CTRL, TTYKEY_RAW },
117: { 0, "\033[24^", KEYC_F12|KEYC_CTRL, TTYKEY_RAW },
118: { 0, "\033[25^", KEYC_F13|KEYC_CTRL, TTYKEY_RAW },
119: { 0, "\033[26^", KEYC_F14|KEYC_CTRL, TTYKEY_RAW },
120: { 0, "\033[28^", KEYC_F15|KEYC_CTRL, TTYKEY_RAW },
121: { 0, "\033[29^", KEYC_F16|KEYC_CTRL, TTYKEY_RAW },
122: { 0, "\033[31^", KEYC_F17|KEYC_CTRL, TTYKEY_RAW },
123: { 0, "\033[32^", KEYC_F18|KEYC_CTRL, TTYKEY_RAW },
124: { 0, "\033[33^", KEYC_F19|KEYC_CTRL, TTYKEY_RAW },
125: { 0, "\033[34^", KEYC_F20|KEYC_CTRL, TTYKEY_RAW },
126: { 0, "\033[2^", KEYC_IC|KEYC_CTRL, TTYKEY_RAW },
127: { 0, "\033[3^", KEYC_DC|KEYC_CTRL, TTYKEY_RAW },
128: { 0, "\033[7^", KEYC_HOME|KEYC_CTRL, TTYKEY_RAW },
129: { 0, "\033[8^", KEYC_END|KEYC_CTRL, TTYKEY_RAW },
130: { 0, "\033[6^", KEYC_NPAGE|KEYC_CTRL, TTYKEY_RAW },
131: { 0, "\033[5^", KEYC_PPAGE|KEYC_CTRL, TTYKEY_RAW },
132:
133: { 0, "\033[11$", KEYC_F1|KEYC_SHIFT, TTYKEY_RAW },
134: { 0, "\033[12$", KEYC_F2|KEYC_SHIFT, TTYKEY_RAW },
135: { 0, "\033[13$", KEYC_F3|KEYC_SHIFT, TTYKEY_RAW },
136: { 0, "\033[14$", KEYC_F4|KEYC_SHIFT, TTYKEY_RAW },
137: { 0, "\033[15$", KEYC_F5|KEYC_SHIFT, TTYKEY_RAW },
138: { 0, "\033[17$", KEYC_F6|KEYC_SHIFT, TTYKEY_RAW },
139: { 0, "\033[18$", KEYC_F7|KEYC_SHIFT, TTYKEY_RAW },
140: { 0, "\033[19$", KEYC_F8|KEYC_SHIFT, TTYKEY_RAW },
141: { 0, "\033[20$", KEYC_F9|KEYC_SHIFT, TTYKEY_RAW },
142: { 0, "\033[21$", KEYC_F10|KEYC_SHIFT, TTYKEY_RAW },
143: { 0, "\033[23$", KEYC_F11|KEYC_SHIFT, TTYKEY_RAW },
144: { 0, "\033[24$", KEYC_F12|KEYC_SHIFT, TTYKEY_RAW },
145: { 0, "\033[25$", KEYC_F13|KEYC_SHIFT, TTYKEY_RAW },
146: { 0, "\033[26$", KEYC_F14|KEYC_SHIFT, TTYKEY_RAW },
147: { 0, "\033[28$", KEYC_F15|KEYC_SHIFT, TTYKEY_RAW },
148: { 0, "\033[29$", KEYC_F16|KEYC_SHIFT, TTYKEY_RAW },
149: { 0, "\033[31$", KEYC_F17|KEYC_SHIFT, TTYKEY_RAW },
150: { 0, "\033[32$", KEYC_F18|KEYC_SHIFT, TTYKEY_RAW },
151: { 0, "\033[33$", KEYC_F19|KEYC_SHIFT, TTYKEY_RAW },
152: { 0, "\033[34$", KEYC_F20|KEYC_SHIFT, TTYKEY_RAW },
153: { 0, "\033[2$", KEYC_IC|KEYC_SHIFT, TTYKEY_RAW },
154: { 0, "\033[3$", KEYC_DC|KEYC_SHIFT, TTYKEY_RAW },
155: { 0, "\033[7$", KEYC_HOME|KEYC_SHIFT, TTYKEY_RAW },
156: { 0, "\033[8$", KEYC_END|KEYC_SHIFT, TTYKEY_RAW },
157: { 0, "\033[6$", KEYC_NPAGE|KEYC_SHIFT, TTYKEY_RAW },
158: { 0, "\033[5$", KEYC_PPAGE|KEYC_SHIFT, TTYKEY_RAW },
159:
160: { 0, "\033[11@", KEYC_F1|KEYC_CTRL|KEYC_SHIFT, TTYKEY_RAW },
161: { 0, "\033[12@", KEYC_F2|KEYC_CTRL|KEYC_SHIFT, TTYKEY_RAW },
162: { 0, "\033[13@", KEYC_F3|KEYC_CTRL|KEYC_SHIFT, TTYKEY_RAW },
163: { 0, "\033[14@", KEYC_F4|KEYC_CTRL|KEYC_SHIFT, TTYKEY_RAW },
164: { 0, "\033[15@", KEYC_F5|KEYC_CTRL|KEYC_SHIFT, TTYKEY_RAW },
165: { 0, "\033[17@", KEYC_F6|KEYC_CTRL|KEYC_SHIFT, TTYKEY_RAW },
166: { 0, "\033[18@", KEYC_F7|KEYC_CTRL|KEYC_SHIFT, TTYKEY_RAW },
167: { 0, "\033[19@", KEYC_F8|KEYC_CTRL|KEYC_SHIFT, TTYKEY_RAW },
168: { 0, "\033[20@", KEYC_F9|KEYC_CTRL|KEYC_SHIFT, TTYKEY_RAW },
169: { 0, "\033[21@", KEYC_F10|KEYC_CTRL|KEYC_SHIFT, TTYKEY_RAW },
170: { 0, "\033[23@", KEYC_F11|KEYC_CTRL|KEYC_SHIFT, TTYKEY_RAW },
171: { 0, "\033[24@", KEYC_F12|KEYC_CTRL|KEYC_SHIFT, TTYKEY_RAW },
172: { 0, "\033[25@", KEYC_F13|KEYC_CTRL|KEYC_SHIFT, TTYKEY_RAW },
173: { 0, "\033[26@", KEYC_F14|KEYC_CTRL|KEYC_SHIFT, TTYKEY_RAW },
174: { 0, "\033[28@", KEYC_F15|KEYC_CTRL|KEYC_SHIFT, TTYKEY_RAW },
175: { 0, "\033[29@", KEYC_F16|KEYC_CTRL|KEYC_SHIFT, TTYKEY_RAW },
176: { 0, "\033[31@", KEYC_F17|KEYC_CTRL|KEYC_SHIFT, TTYKEY_RAW },
177: { 0, "\033[32@", KEYC_F18|KEYC_CTRL|KEYC_SHIFT, TTYKEY_RAW },
178: { 0, "\033[33@", KEYC_F19|KEYC_CTRL|KEYC_SHIFT, TTYKEY_RAW },
179: { 0, "\033[34@", KEYC_F20|KEYC_CTRL|KEYC_SHIFT, TTYKEY_RAW },
180: { 0, "\033[2@", KEYC_IC|KEYC_CTRL|KEYC_SHIFT, TTYKEY_RAW },
181: { 0, "\033[3@", KEYC_DC|KEYC_CTRL|KEYC_SHIFT, TTYKEY_RAW },
182: { 0, "\033[7@", KEYC_HOME|KEYC_CTRL|KEYC_SHIFT, TTYKEY_RAW },
183: { 0, "\033[8@", KEYC_END|KEYC_CTRL|KEYC_SHIFT, TTYKEY_RAW },
184: { 0, "\033[6@", KEYC_NPAGE|KEYC_CTRL|KEYC_SHIFT,TTYKEY_RAW },
185: { 0, "\033[5@", KEYC_PPAGE|KEYC_CTRL|KEYC_SHIFT,TTYKEY_RAW },
1.29 nicm 186:
187: /* terminfo lookups below this line so they can override raw keys. */
188:
189: /* Function keys. */
190: { TTYC_KF1, NULL, KEYC_F1, 0 },
191: { TTYC_KF2, NULL, KEYC_F2, 0 },
192: { TTYC_KF3, NULL, KEYC_F3, 0 },
193: { TTYC_KF4, NULL, KEYC_F4, 0 },
194: { TTYC_KF5, NULL, KEYC_F5, 0 },
195: { TTYC_KF6, NULL, KEYC_F6, 0 },
196: { TTYC_KF7, NULL, KEYC_F7, 0 },
197: { TTYC_KF8, NULL, KEYC_F8, 0 },
198: { TTYC_KF9, NULL, KEYC_F9, 0 },
199: { TTYC_KF10, NULL, KEYC_F10, 0 },
200: { TTYC_KF11, NULL, KEYC_F11, 0 },
201: { TTYC_KF12, NULL, KEYC_F12, 0 },
202: { TTYC_KF13, NULL, KEYC_F13, 0 },
203: { TTYC_KF14, NULL, KEYC_F14, 0 },
204: { TTYC_KF15, NULL, KEYC_F15, 0 },
205: { TTYC_KF16, NULL, KEYC_F16, 0 },
206: { TTYC_KF17, NULL, KEYC_F17, 0 },
207: { TTYC_KF18, NULL, KEYC_F18, 0 },
208: { TTYC_KF19, NULL, KEYC_F19, 0 },
209: { TTYC_KF20, NULL, KEYC_F20, 0 },
210: { TTYC_KICH1, NULL, KEYC_IC, 0 },
211: { TTYC_KDCH1, NULL, KEYC_DC, 0 },
212: { TTYC_KHOME, NULL, KEYC_HOME, 0 },
213: { TTYC_KEND, NULL, KEYC_END, 0 },
214: { TTYC_KNP, NULL, KEYC_NPAGE, 0 },
215: { TTYC_KPP, NULL, KEYC_PPAGE, 0 },
216: { TTYC_KCBT, NULL, KEYC_BTAB, 0 },
217:
218: /* Arrow keys from terminfo. */
219: { TTYC_KCUU1, NULL, KEYC_UP, 0 },
220: { TTYC_KCUD1, NULL, KEYC_DOWN, 0 },
221: { TTYC_KCUB1, NULL, KEYC_LEFT, 0 },
222: { TTYC_KCUF1, NULL, KEYC_RIGHT, 0 },
223:
224: /* Key and modifier capabilities. */
225: { TTYC_KDC2, NULL, KEYC_DC|KEYC_SHIFT, 0 },
226: { TTYC_KDC3, NULL, KEYC_DC|KEYC_ESCAPE, 0 },
227: { TTYC_KDC4, NULL, KEYC_DC|KEYC_SHIFT|KEYC_ESCAPE, 0 },
228: { TTYC_KDC5, NULL, KEYC_DC|KEYC_CTRL, 0 },
229: { TTYC_KDC6, NULL, KEYC_DC|KEYC_SHIFT|KEYC_CTRL, 0 },
230: { TTYC_KDC7, NULL, KEYC_DC|KEYC_ESCAPE|KEYC_CTRL, 0 },
231: { TTYC_KDN2, NULL, KEYC_DOWN|KEYC_SHIFT, 0 },
232: { TTYC_KDN3, NULL, KEYC_DOWN|KEYC_ESCAPE, 0 },
233: { TTYC_KDN4, NULL, KEYC_DOWN|KEYC_SHIFT|KEYC_ESCAPE, 0 },
234: { TTYC_KDN5, NULL, KEYC_DOWN|KEYC_CTRL, 0 },
235: { TTYC_KDN6, NULL, KEYC_DOWN|KEYC_SHIFT|KEYC_CTRL, 0 },
236: { TTYC_KDN7, NULL, KEYC_DOWN|KEYC_ESCAPE|KEYC_CTRL, 0 },
237: { TTYC_KEND2, NULL, KEYC_END|KEYC_SHIFT, 0 },
238: { TTYC_KEND3, NULL, KEYC_END|KEYC_ESCAPE, 0 },
239: { TTYC_KEND4, NULL, KEYC_END|KEYC_SHIFT|KEYC_ESCAPE, 0 },
240: { TTYC_KEND5, NULL, KEYC_END|KEYC_CTRL, 0 },
241: { TTYC_KEND6, NULL, KEYC_END|KEYC_SHIFT|KEYC_CTRL, 0 },
242: { TTYC_KEND7, NULL, KEYC_END|KEYC_ESCAPE|KEYC_CTRL, 0 },
243: { TTYC_KHOM2, NULL, KEYC_HOME|KEYC_SHIFT, 0 },
244: { TTYC_KHOM3, NULL, KEYC_HOME|KEYC_ESCAPE, 0 },
245: { TTYC_KHOM4, NULL, KEYC_HOME|KEYC_SHIFT|KEYC_ESCAPE, 0 },
246: { TTYC_KHOM5, NULL, KEYC_HOME|KEYC_CTRL, 0 },
247: { TTYC_KHOM6, NULL, KEYC_HOME|KEYC_SHIFT|KEYC_CTRL, 0 },
248: { TTYC_KHOM7, NULL, KEYC_HOME|KEYC_ESCAPE|KEYC_CTRL, 0 },
249: { TTYC_KIC2, NULL, KEYC_IC|KEYC_SHIFT, 0 },
250: { TTYC_KIC3, NULL, KEYC_IC|KEYC_ESCAPE, 0 },
251: { TTYC_KIC4, NULL, KEYC_IC|KEYC_SHIFT|KEYC_ESCAPE, 0 },
252: { TTYC_KIC5, NULL, KEYC_IC|KEYC_CTRL, 0 },
253: { TTYC_KIC6, NULL, KEYC_IC|KEYC_SHIFT|KEYC_CTRL, 0 },
254: { TTYC_KIC7, NULL, KEYC_IC|KEYC_ESCAPE|KEYC_CTRL, 0 },
255: { TTYC_KLFT2, NULL, KEYC_LEFT|KEYC_SHIFT, 0 },
256: { TTYC_KLFT3, NULL, KEYC_LEFT|KEYC_ESCAPE, 0 },
257: { TTYC_KLFT4, NULL, KEYC_LEFT|KEYC_SHIFT|KEYC_ESCAPE, 0 },
258: { TTYC_KLFT5, NULL, KEYC_LEFT|KEYC_CTRL, 0 },
259: { TTYC_KLFT6, NULL, KEYC_LEFT|KEYC_SHIFT|KEYC_CTRL, 0 },
260: { TTYC_KLFT7, NULL, KEYC_LEFT|KEYC_ESCAPE|KEYC_CTRL, 0 },
261: { TTYC_KNXT2, NULL, KEYC_NPAGE|KEYC_SHIFT, 0 },
262: { TTYC_KNXT3, NULL, KEYC_NPAGE|KEYC_ESCAPE, 0 },
263: { TTYC_KNXT4, NULL, KEYC_NPAGE|KEYC_SHIFT|KEYC_ESCAPE, 0 },
264: { TTYC_KNXT5, NULL, KEYC_NPAGE|KEYC_CTRL, 0 },
265: { TTYC_KNXT6, NULL, KEYC_NPAGE|KEYC_SHIFT|KEYC_CTRL, 0 },
266: { TTYC_KNXT7, NULL, KEYC_NPAGE|KEYC_ESCAPE|KEYC_CTRL, 0 },
267: { TTYC_KPRV2, NULL, KEYC_PPAGE|KEYC_SHIFT, 0 },
268: { TTYC_KPRV3, NULL, KEYC_PPAGE|KEYC_ESCAPE, 0 },
269: { TTYC_KPRV4, NULL, KEYC_PPAGE|KEYC_SHIFT|KEYC_ESCAPE, 0 },
270: { TTYC_KPRV5, NULL, KEYC_PPAGE|KEYC_CTRL, 0 },
271: { TTYC_KPRV6, NULL, KEYC_PPAGE|KEYC_SHIFT|KEYC_CTRL, 0 },
272: { TTYC_KPRV7, NULL, KEYC_PPAGE|KEYC_ESCAPE|KEYC_CTRL, 0 },
273: { TTYC_KRIT2, NULL, KEYC_RIGHT|KEYC_SHIFT, 0 },
274: { TTYC_KRIT3, NULL, KEYC_RIGHT|KEYC_ESCAPE, 0 },
275: { TTYC_KRIT4, NULL, KEYC_RIGHT|KEYC_SHIFT|KEYC_ESCAPE, 0 },
276: { TTYC_KRIT5, NULL, KEYC_RIGHT|KEYC_CTRL, 0 },
277: { TTYC_KRIT6, NULL, KEYC_RIGHT|KEYC_SHIFT|KEYC_CTRL, 0 },
278: { TTYC_KRIT7, NULL, KEYC_RIGHT|KEYC_ESCAPE|KEYC_CTRL, 0 },
279: { TTYC_KUP2, NULL, KEYC_UP|KEYC_SHIFT, 0 },
280: { TTYC_KUP3, NULL, KEYC_UP|KEYC_ESCAPE, 0 },
281: { TTYC_KUP4, NULL, KEYC_UP|KEYC_SHIFT|KEYC_ESCAPE, 0 },
282: { TTYC_KUP5, NULL, KEYC_UP|KEYC_CTRL, 0 },
283: { TTYC_KUP6, NULL, KEYC_UP|KEYC_SHIFT|KEYC_CTRL, 0 },
284: { TTYC_KUP7, NULL, KEYC_UP|KEYC_ESCAPE|KEYC_CTRL, 0 },
1.1 nicm 285: };
286:
1.16 nicm 287: void
288: tty_keys_add(struct tty *tty, const char *s, int key)
289: {
1.29 nicm 290: struct tty_key *tk;
291: size_t size;
292: const char *keystr;
1.1 nicm 293:
1.29 nicm 294: keystr = key_string_lookup_key(key);
295: if ((tk = tty_keys_find(tty, s, strlen(s), &size)) == NULL) {
296: log_debug("new key %s: 0x%x (%s)", s, key, keystr);
1.16 nicm 297: tty_keys_add1(&tty->key_tree, s, key);
1.29 nicm 298: } else {
299: log_debug("replacing key %s: 0x%x (%s)", s, key, keystr);
300: tk->key = key;
1.16 nicm 301: }
1.1 nicm 302: }
303:
1.16 nicm 304: /* Add next node to the tree. */
1.1 nicm 305: void
1.16 nicm 306: tty_keys_add1(struct tty_key **tkp, const char *s, int key)
1.1 nicm 307: {
1.16 nicm 308: struct tty_key *tk;
1.1 nicm 309:
1.16 nicm 310: /* Allocate a tree entry if there isn't one already. */
311: tk = *tkp;
312: if (tk == NULL) {
313: tk = *tkp = xcalloc(1, sizeof *tk);
314: tk->ch = *s;
315: tk->key = KEYC_NONE;
316: }
317:
318: /* Find the next entry. */
319: if (*s == tk->ch) {
320: /* Move forward in string. */
321: s++;
322:
323: /* If this is the end of the string, no more is necessary. */
324: if (*s == '\0') {
325: tk->key = key;
326: return;
327: }
328:
329: /* Use the child tree for the next character. */
330: tkp = &tk->next;
1.27 nicm 331: } else {
1.16 nicm 332: if (*s < tk->ch)
333: tkp = &tk->left;
334: else if (*s > tk->ch)
335: tkp = &tk->right;
336: }
337:
338: /* And recurse to add it. */
339: tty_keys_add1(tkp, s, key);
1.1 nicm 340: }
341:
1.16 nicm 342: /* Initialise a key tree from the table. */
1.1 nicm 343: void
344: tty_keys_init(struct tty *tty)
345: {
1.32 nicm 346: const struct tty_key_ent *tke;
347: u_int i;
348: const char *s;
1.1 nicm 349:
1.16 nicm 350: tty->key_tree = NULL;
1.1 nicm 351: for (i = 0; i < nitems(tty_keys); i++) {
352: tke = &tty_keys[i];
353:
354: if (tke->flags & TTYKEY_RAW)
355: s = tke->string;
356: else {
357: if (!tty_term_has(tty->term, tke->code))
358: continue;
359: s = tty_term_string(tty->term, tke->code);
360: }
1.16 nicm 361: if (s[0] != '\033' || s[1] == '\0')
362: continue;
1.1 nicm 363:
1.15 nicm 364: tty_keys_add(tty, s + 1, tke->key);
1.1 nicm 365: }
366: }
367:
1.16 nicm 368: /* Free the entire key tree. */
1.1 nicm 369: void
370: tty_keys_free(struct tty *tty)
371: {
1.16 nicm 372: tty_keys_free1(tty->key_tree);
373: }
1.1 nicm 374:
1.16 nicm 375: /* Free a single key. */
376: void
377: tty_keys_free1(struct tty_key *tk)
378: {
379: if (tk->next != NULL)
380: tty_keys_free1(tk->next);
381: if (tk->left != NULL)
382: tty_keys_free1(tk->left);
383: if (tk->right != NULL)
384: tty_keys_free1(tk->right);
385: xfree(tk);
1.1 nicm 386: }
387:
1.16 nicm 388: /* Lookup a key in the tree. */
1.1 nicm 389: struct tty_key *
1.16 nicm 390: tty_keys_find(struct tty *tty, const char *buf, size_t len, size_t *size)
1.1 nicm 391: {
1.16 nicm 392: *size = 0;
393: return (tty_keys_find1(tty->key_tree, buf, len, size));
394: }
1.1 nicm 395:
1.16 nicm 396: /* Find the next node. */
397: struct tty_key *
398: tty_keys_find1(struct tty_key *tk, const char *buf, size_t len, size_t *size)
399: {
400: /* If the node is NULL, this is the end of the tree. No match. */
401: if (tk == NULL)
1.1 nicm 402: return (NULL);
403:
1.16 nicm 404: /* Pick the next in the sequence. */
405: if (tk->ch == *buf) {
406: /* Move forward in the string. */
407: buf++; len--;
408: (*size)++;
1.1 nicm 409:
1.16 nicm 410: /* At the end of the string, return the current node. */
1.30 nicm 411: if (len == 0 || (tk->next == NULL && tk->key != KEYC_NONE))
1.16 nicm 412: return (tk);
1.1 nicm 413:
1.16 nicm 414: /* Move into the next tree for the following character. */
415: tk = tk->next;
416: } else {
417: if (*buf < tk->ch)
418: tk = tk->left;
419: else if (*buf > tk->ch)
420: tk = tk->right;
1.1 nicm 421: }
422:
1.16 nicm 423: /* Move to the next in the tree. */
424: return (tty_keys_find1(tk, buf, len, size));
1.1 nicm 425: }
426:
1.16 nicm 427: /*
428: * Process at least one key in the buffer and invoke tty->key_callback. Return
1.22 nicm 429: * 0 if there are no further keys, or 1 if there could be more in the buffer.
1.16 nicm 430: */
1.1 nicm 431: int
1.14 nicm 432: tty_keys_next(struct tty *tty)
1.1 nicm 433: {
1.14 nicm 434: struct tty_key *tk;
435: struct timeval tv;
436: struct mouse_event mouse;
1.18 nicm 437: const char *buf;
1.14 nicm 438: size_t len, size;
439: cc_t bspace;
1.28 nicm 440: int key, delay;
1.1 nicm 441:
1.13 nicm 442: buf = EVBUFFER_DATA(tty->event->input);
443: len = EVBUFFER_LENGTH(tty->event->input);
1.1 nicm 444: if (len == 0)
1.14 nicm 445: return (0);
1.1 nicm 446: log_debug("keys are %zu (%.*s)", len, (int) len, buf);
447:
448: /* If a normal key, return it. */
449: if (*buf != '\033') {
1.19 nicm 450: key = (u_char) *buf;
1.16 nicm 451: evbuffer_drain(tty->event->input, 1);
1.3 nicm 452:
453: /*
454: * Check for backspace key using termios VERASE - the terminfo
455: * kbs entry is extremely unreliable, so cannot be safely
456: * used. termios should have a better idea.
457: */
458: bspace = tty->tio.c_cc[VERASE];
1.14 nicm 459: if (bspace != _POSIX_VDISABLE && key == bspace)
460: key = KEYC_BSPACE;
1.16 nicm 461: goto handle_key;
1.1 nicm 462: }
463:
1.26 nicm 464: /* Is this a mouse key press? */
1.33 nicm 465: switch (tty_keys_mouse(tty, buf, len, &size, &mouse)) {
1.22 nicm 466: case 0: /* yes */
1.13 nicm 467: evbuffer_drain(tty->event->input, size);
1.22 nicm 468: key = KEYC_MOUSE;
1.16 nicm 469: goto handle_key;
1.22 nicm 470: case -1: /* no, or not valid */
1.24 nicm 471: break;
1.22 nicm 472: case 1: /* partial */
473: goto partial_key;
1.11 nicm 474: }
475:
1.26 nicm 476: /* Try to parse a key with an xterm-style modifier. */
1.25 nicm 477: switch (xterm_keys_find(buf, len, &size, &key)) {
478: case 0: /* found */
1.13 nicm 479: evbuffer_drain(tty->event->input, size);
1.16 nicm 480: goto handle_key;
1.25 nicm 481: case -1: /* not found */
482: break;
483: case 1:
484: goto partial_key;
1.26 nicm 485: }
486:
487: /* Look for matching key string and return if found. */
488: tk = tty_keys_find(tty, buf + 1, len - 1, &size);
489: if (tk != NULL) {
490: key = tk->key;
491: goto found_key;
1.1 nicm 492: }
493:
494: /* Skip the escape. */
495: buf++;
496: len--;
497:
498: /* Is there a normal key following? */
499: if (len != 0 && *buf != '\033') {
1.16 nicm 500: key = *buf | KEYC_ESCAPE;
501: evbuffer_drain(tty->event->input, 2);
502: goto handle_key;
1.1 nicm 503: }
504:
505: /* Or a key string? */
506: if (len > 1) {
507: tk = tty_keys_find(tty, buf + 1, len - 1, &size);
508: if (tk != NULL) {
1.14 nicm 509: key = tk->key | KEYC_ESCAPE;
1.16 nicm 510: size++; /* include escape */
511: goto found_key;
1.1 nicm 512: }
513: }
514:
1.16 nicm 515: /* Escape and then nothing useful - fall through. */
516:
517: partial_key:
1.14 nicm 518: /*
1.16 nicm 519: * Escape but no key string. If have already seen an escape, then the
1.14 nicm 520: * timer must have expired, so give up waiting and send the escape.
521: */
522: if (tty->flags & TTY_ESCAPE) {
523: evbuffer_drain(tty->event->input, 1);
524: key = '\033';
1.16 nicm 525: goto handle_key;
1.14 nicm 526: }
527:
1.16 nicm 528: /* Fall through to start the timer. */
529:
530: start_timer:
1.14 nicm 531: /* Start the timer and wait for expiry or more data. */
1.28 nicm 532: delay = options_get_number(&global_options, "escape-time");
533: tv.tv_sec = delay / 1000;
534: tv.tv_usec = (delay % 1000) * 1000L;
1.27 nicm 535:
1.14 nicm 536: evtimer_del(&tty->key_timer);
537: evtimer_set(&tty->key_timer, tty_keys_callback, tty);
538: evtimer_add(&tty->key_timer, &tv);
1.27 nicm 539:
1.14 nicm 540: tty->flags |= TTY_ESCAPE;
541: return (0);
1.1 nicm 542:
1.16 nicm 543: found_key:
544: if (tk->next != NULL) {
545: /* Partial key. Start the timer if not already expired. */
546: if (!(tty->flags & TTY_ESCAPE))
547: goto start_timer;
548:
549: /* Otherwise, if no key, send the escape alone. */
550: if (tk->key == KEYC_NONE)
551: goto partial_key;
552:
553: /* Or fall through to send the partial key found. */
554: }
555: evbuffer_drain(tty->event->input, size + 1);
556:
557: goto handle_key;
558:
559: handle_key:
1.27 nicm 560: evtimer_del(&tty->key_timer);
1.16 nicm 561:
1.14 nicm 562: tty->key_callback(key, &mouse, tty->key_data);
1.16 nicm 563:
1.1 nicm 564: tty->flags &= ~TTY_ESCAPE;
1.14 nicm 565: return (1);
566: }
567:
1.16 nicm 568: /* Key timer callback. */
1.23 nicm 569: /* ARGSUSED */
1.14 nicm 570: void
571: tty_keys_callback(unused int fd, unused short events, void *data)
572: {
573: struct tty *tty = data;
574:
1.16 nicm 575: if (!(tty->flags & TTY_ESCAPE))
576: return;
577:
578: while (tty_keys_next(tty))
579: ;
1.1 nicm 580: }
581:
1.27 nicm 582: /*
1.22 nicm 583: * Handle mouse key input. Returns 0 for success, -1 for failure, 1 for partial
584: * (probably a mouse sequence but need more data).
585: */
1.1 nicm 586: int
1.33 nicm 587: tty_keys_mouse(struct tty *tty,
588: const char *buf, size_t len, size_t *size, struct mouse_event *m)
1.1 nicm 589: {
1.33 nicm 590: struct utf8_data utf8data;
591: u_int i, value;
592:
1.1 nicm 593: /*
1.33 nicm 594: * Standard mouse sequences are \033[M followed by three characters
595: * indicating buttons, X and Y, all based at 32 with 1,1 top-left.
596: *
597: * UTF-8 mouse sequences are similar but the three are expressed as
598: * UTF-8 characters.
1.1 nicm 599: */
600:
1.22 nicm 601: *size = 0;
602:
1.33 nicm 603: /* First three bytes are always \033[M. */
1.22 nicm 604: if (buf[0] != '\033')
605: return (-1);
606: if (len == 1)
607: return (1);
608: if (buf[1] != '[')
609: return (-1);
610: if (len == 2)
611: return (1);
612: if (buf[2] != 'M')
613: return (-1);
614: if (len == 3)
615: return (1);
616:
1.33 nicm 617: /* Read the three inputs. */
618: *size = 3;
619: for (i = 0; i < 3; i++) {
620: if (len < *size)
621: return (1);
622:
623: if (tty->mode & MODE_MOUSE_UTF8) {
624: if (utf8_open(&utf8data, buf[*size])) {
625: if (utf8data.size != 2)
626: return (-1);
627: (*size)++;
628: if (len < *size)
629: return (1);
630: utf8_append(&utf8data, buf[*size]);
631: value = utf8_combine(&utf8data);
632: } else
1.34 ! nicm 633: value = (unsigned char)buf[*size];
1.33 nicm 634: (*size)++;
635: } else {
1.34 ! nicm 636: value = (unsigned char)buf[*size];
1.33 nicm 637: (*size)++;
638: }
1.16 nicm 639:
1.33 nicm 640: if (i == 0)
641: m->b = value;
642: else if (i == 1)
643: m->x = value;
644: else
645: m->y = value;
646: }
647: log_debug("mouse input: %.*s", (int) *size, buf);
1.1 nicm 648:
1.33 nicm 649: /* Check and return the mouse input. */
1.5 nicm 650: if (m->b < 32 || m->x < 33 || m->y < 33)
1.22 nicm 651: return (-1);
1.5 nicm 652: m->b -= 32;
653: m->x -= 33;
654: m->y -= 33;
1.33 nicm 655: log_debug("mouse position: x=%u y=%u b=%u", m->x, m->y, m->b);
1.22 nicm 656: return (0);
1.1 nicm 657: }
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