Annotation of src/usr.bin/tmux/tty-keys.c, Revision 1.35
1.35 ! nicm 1: /* $OpenBSD: tty-keys.c,v 1.34 2011/03/04 23:26:44 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:
1.35 ! nicm 22: #include <limits.h>
! 23: #include <stdlib.h>
1.1 nicm 24: #include <string.h>
1.3 nicm 25: #include <termios.h>
26: #include <unistd.h>
1.1 nicm 27:
28: #include "tmux.h"
29:
1.9 nicm 30: /*
1.16 nicm 31: * Handle keys input from the outside terminal. tty_keys[] is a base table of
32: * supported keys which are looked up in terminfo(5) and translated into a
33: * ternary tree (a binary tree of binary trees).
1.9 nicm 34: */
35:
1.16 nicm 36: void tty_keys_add1(struct tty_key **, const char *, int);
37: void tty_keys_add(struct tty *, const char *, int);
38: void tty_keys_free1(struct tty_key *);
39: struct tty_key *tty_keys_find1(
1.27 nicm 40: struct tty_key *, const char *, size_t, size_t *);
1.16 nicm 41: struct tty_key *tty_keys_find(struct tty *, const char *, size_t, size_t *);
42: void tty_keys_callback(int, short, void *);
1.33 nicm 43: int tty_keys_mouse(struct tty *,
1.18 nicm 44: const char *, size_t, size_t *, struct mouse_event *);
1.35 ! nicm 45: int tty_keys_device(struct tty *, const char *, size_t, size_t *);
1.1 nicm 46:
47: struct tty_key_ent {
48: enum tty_code_code code;
49: const char *string;
50:
51: int key;
52: int flags;
1.20 nicm 53: #define TTYKEY_RAW 0x1
1.1 nicm 54: };
55:
1.27 nicm 56: /*
1.16 nicm 57: * Default key tables. Those flagged with TTYKEY_RAW are inserted directly,
1.20 nicm 58: * otherwise they are looked up in terminfo(5).
1.16 nicm 59: */
1.32 nicm 60: const struct tty_key_ent tty_keys[] = {
1.1 nicm 61: /*
1.8 nicm 62: * Numeric keypad. Just use the vt100 escape sequences here and always
63: * put the terminal into keypad_xmit mode. Translation of numbers
64: * mode/applications mode is done in input-keys.c.
1.1 nicm 65: */
1.29 nicm 66: { 0, "\033Oo", KEYC_KP_SLASH, TTYKEY_RAW },
67: { 0, "\033Oj", KEYC_KP_STAR, TTYKEY_RAW },
68: { 0, "\033Om", KEYC_KP_MINUS, TTYKEY_RAW },
69: { 0, "\033Ow", KEYC_KP_SEVEN, TTYKEY_RAW },
70: { 0, "\033Ox", KEYC_KP_EIGHT, TTYKEY_RAW },
71: { 0, "\033Oy", KEYC_KP_NINE, TTYKEY_RAW },
72: { 0, "\033Ok", KEYC_KP_PLUS, TTYKEY_RAW },
73: { 0, "\033Ot", KEYC_KP_FOUR, TTYKEY_RAW },
74: { 0, "\033Ou", KEYC_KP_FIVE, TTYKEY_RAW },
75: { 0, "\033Ov", KEYC_KP_SIX, TTYKEY_RAW },
76: { 0, "\033Oq", KEYC_KP_ONE, TTYKEY_RAW },
77: { 0, "\033Or", KEYC_KP_TWO, TTYKEY_RAW },
78: { 0, "\033Os", KEYC_KP_THREE, TTYKEY_RAW },
79: { 0, "\033OM", KEYC_KP_ENTER, TTYKEY_RAW },
80: { 0, "\033Op", KEYC_KP_ZERO, TTYKEY_RAW },
81: { 0, "\033On", KEYC_KP_PERIOD, TTYKEY_RAW },
1.10 nicm 82:
1.29 nicm 83: /* Arrow keys. */
84: { 0, "\033OA", KEYC_UP, TTYKEY_RAW },
85: { 0, "\033OB", KEYC_DOWN, TTYKEY_RAW },
86: { 0, "\033OC", KEYC_RIGHT, TTYKEY_RAW },
87: { 0, "\033OD", KEYC_LEFT, TTYKEY_RAW },
88:
89: { 0, "\033[A", KEYC_UP, TTYKEY_RAW },
90: { 0, "\033[B", KEYC_DOWN, TTYKEY_RAW },
91: { 0, "\033[C", KEYC_RIGHT, TTYKEY_RAW },
92: { 0, "\033[D", KEYC_LEFT, TTYKEY_RAW },
1.21 nicm 93:
94: /* rxvt-style arrow + modifier keys. */
95: { 0, "\033Oa", KEYC_UP|KEYC_CTRL, TTYKEY_RAW },
96: { 0, "\033Ob", KEYC_DOWN|KEYC_CTRL, TTYKEY_RAW },
97: { 0, "\033Oc", KEYC_RIGHT|KEYC_CTRL, TTYKEY_RAW },
98: { 0, "\033Od", KEYC_LEFT|KEYC_CTRL, TTYKEY_RAW },
99:
100: { 0, "\033[a", KEYC_UP|KEYC_SHIFT, TTYKEY_RAW },
101: { 0, "\033[b", KEYC_DOWN|KEYC_SHIFT, TTYKEY_RAW },
102: { 0, "\033[c", KEYC_RIGHT|KEYC_SHIFT, TTYKEY_RAW },
103: { 0, "\033[d", KEYC_LEFT|KEYC_SHIFT, TTYKEY_RAW },
104:
105: /*
106: * rxvt-style function + modifier keys:
107: * Ctrl = ^, Shift = $, Ctrl+Shift = @
108: */
109: { 0, "\033[11^", KEYC_F1|KEYC_CTRL, TTYKEY_RAW },
110: { 0, "\033[12^", KEYC_F2|KEYC_CTRL, TTYKEY_RAW },
111: { 0, "\033[13^", KEYC_F3|KEYC_CTRL, TTYKEY_RAW },
112: { 0, "\033[14^", KEYC_F4|KEYC_CTRL, TTYKEY_RAW },
113: { 0, "\033[15^", KEYC_F5|KEYC_CTRL, TTYKEY_RAW },
114: { 0, "\033[17^", KEYC_F6|KEYC_CTRL, TTYKEY_RAW },
115: { 0, "\033[18^", KEYC_F7|KEYC_CTRL, TTYKEY_RAW },
116: { 0, "\033[19^", KEYC_F8|KEYC_CTRL, TTYKEY_RAW },
117: { 0, "\033[20^", KEYC_F9|KEYC_CTRL, TTYKEY_RAW },
118: { 0, "\033[21^", KEYC_F10|KEYC_CTRL, TTYKEY_RAW },
119: { 0, "\033[23^", KEYC_F11|KEYC_CTRL, TTYKEY_RAW },
120: { 0, "\033[24^", KEYC_F12|KEYC_CTRL, TTYKEY_RAW },
121: { 0, "\033[25^", KEYC_F13|KEYC_CTRL, TTYKEY_RAW },
122: { 0, "\033[26^", KEYC_F14|KEYC_CTRL, TTYKEY_RAW },
123: { 0, "\033[28^", KEYC_F15|KEYC_CTRL, TTYKEY_RAW },
124: { 0, "\033[29^", KEYC_F16|KEYC_CTRL, TTYKEY_RAW },
125: { 0, "\033[31^", KEYC_F17|KEYC_CTRL, TTYKEY_RAW },
126: { 0, "\033[32^", KEYC_F18|KEYC_CTRL, TTYKEY_RAW },
127: { 0, "\033[33^", KEYC_F19|KEYC_CTRL, TTYKEY_RAW },
128: { 0, "\033[34^", KEYC_F20|KEYC_CTRL, TTYKEY_RAW },
129: { 0, "\033[2^", KEYC_IC|KEYC_CTRL, TTYKEY_RAW },
130: { 0, "\033[3^", KEYC_DC|KEYC_CTRL, TTYKEY_RAW },
131: { 0, "\033[7^", KEYC_HOME|KEYC_CTRL, TTYKEY_RAW },
132: { 0, "\033[8^", KEYC_END|KEYC_CTRL, TTYKEY_RAW },
133: { 0, "\033[6^", KEYC_NPAGE|KEYC_CTRL, TTYKEY_RAW },
134: { 0, "\033[5^", KEYC_PPAGE|KEYC_CTRL, TTYKEY_RAW },
135:
136: { 0, "\033[11$", KEYC_F1|KEYC_SHIFT, TTYKEY_RAW },
137: { 0, "\033[12$", KEYC_F2|KEYC_SHIFT, TTYKEY_RAW },
138: { 0, "\033[13$", KEYC_F3|KEYC_SHIFT, TTYKEY_RAW },
139: { 0, "\033[14$", KEYC_F4|KEYC_SHIFT, TTYKEY_RAW },
140: { 0, "\033[15$", KEYC_F5|KEYC_SHIFT, TTYKEY_RAW },
141: { 0, "\033[17$", KEYC_F6|KEYC_SHIFT, TTYKEY_RAW },
142: { 0, "\033[18$", KEYC_F7|KEYC_SHIFT, TTYKEY_RAW },
143: { 0, "\033[19$", KEYC_F8|KEYC_SHIFT, TTYKEY_RAW },
144: { 0, "\033[20$", KEYC_F9|KEYC_SHIFT, TTYKEY_RAW },
145: { 0, "\033[21$", KEYC_F10|KEYC_SHIFT, TTYKEY_RAW },
146: { 0, "\033[23$", KEYC_F11|KEYC_SHIFT, TTYKEY_RAW },
147: { 0, "\033[24$", KEYC_F12|KEYC_SHIFT, TTYKEY_RAW },
148: { 0, "\033[25$", KEYC_F13|KEYC_SHIFT, TTYKEY_RAW },
149: { 0, "\033[26$", KEYC_F14|KEYC_SHIFT, TTYKEY_RAW },
150: { 0, "\033[28$", KEYC_F15|KEYC_SHIFT, TTYKEY_RAW },
151: { 0, "\033[29$", KEYC_F16|KEYC_SHIFT, TTYKEY_RAW },
152: { 0, "\033[31$", KEYC_F17|KEYC_SHIFT, TTYKEY_RAW },
153: { 0, "\033[32$", KEYC_F18|KEYC_SHIFT, TTYKEY_RAW },
154: { 0, "\033[33$", KEYC_F19|KEYC_SHIFT, TTYKEY_RAW },
155: { 0, "\033[34$", KEYC_F20|KEYC_SHIFT, TTYKEY_RAW },
156: { 0, "\033[2$", KEYC_IC|KEYC_SHIFT, TTYKEY_RAW },
157: { 0, "\033[3$", KEYC_DC|KEYC_SHIFT, TTYKEY_RAW },
158: { 0, "\033[7$", KEYC_HOME|KEYC_SHIFT, TTYKEY_RAW },
159: { 0, "\033[8$", KEYC_END|KEYC_SHIFT, TTYKEY_RAW },
160: { 0, "\033[6$", KEYC_NPAGE|KEYC_SHIFT, TTYKEY_RAW },
161: { 0, "\033[5$", KEYC_PPAGE|KEYC_SHIFT, TTYKEY_RAW },
162:
163: { 0, "\033[11@", KEYC_F1|KEYC_CTRL|KEYC_SHIFT, TTYKEY_RAW },
164: { 0, "\033[12@", KEYC_F2|KEYC_CTRL|KEYC_SHIFT, TTYKEY_RAW },
165: { 0, "\033[13@", KEYC_F3|KEYC_CTRL|KEYC_SHIFT, TTYKEY_RAW },
166: { 0, "\033[14@", KEYC_F4|KEYC_CTRL|KEYC_SHIFT, TTYKEY_RAW },
167: { 0, "\033[15@", KEYC_F5|KEYC_CTRL|KEYC_SHIFT, TTYKEY_RAW },
168: { 0, "\033[17@", KEYC_F6|KEYC_CTRL|KEYC_SHIFT, TTYKEY_RAW },
169: { 0, "\033[18@", KEYC_F7|KEYC_CTRL|KEYC_SHIFT, TTYKEY_RAW },
170: { 0, "\033[19@", KEYC_F8|KEYC_CTRL|KEYC_SHIFT, TTYKEY_RAW },
171: { 0, "\033[20@", KEYC_F9|KEYC_CTRL|KEYC_SHIFT, TTYKEY_RAW },
172: { 0, "\033[21@", KEYC_F10|KEYC_CTRL|KEYC_SHIFT, TTYKEY_RAW },
173: { 0, "\033[23@", KEYC_F11|KEYC_CTRL|KEYC_SHIFT, TTYKEY_RAW },
174: { 0, "\033[24@", KEYC_F12|KEYC_CTRL|KEYC_SHIFT, TTYKEY_RAW },
175: { 0, "\033[25@", KEYC_F13|KEYC_CTRL|KEYC_SHIFT, TTYKEY_RAW },
176: { 0, "\033[26@", KEYC_F14|KEYC_CTRL|KEYC_SHIFT, TTYKEY_RAW },
177: { 0, "\033[28@", KEYC_F15|KEYC_CTRL|KEYC_SHIFT, TTYKEY_RAW },
178: { 0, "\033[29@", KEYC_F16|KEYC_CTRL|KEYC_SHIFT, TTYKEY_RAW },
179: { 0, "\033[31@", KEYC_F17|KEYC_CTRL|KEYC_SHIFT, TTYKEY_RAW },
180: { 0, "\033[32@", KEYC_F18|KEYC_CTRL|KEYC_SHIFT, TTYKEY_RAW },
181: { 0, "\033[33@", KEYC_F19|KEYC_CTRL|KEYC_SHIFT, TTYKEY_RAW },
182: { 0, "\033[34@", KEYC_F20|KEYC_CTRL|KEYC_SHIFT, TTYKEY_RAW },
183: { 0, "\033[2@", KEYC_IC|KEYC_CTRL|KEYC_SHIFT, TTYKEY_RAW },
184: { 0, "\033[3@", KEYC_DC|KEYC_CTRL|KEYC_SHIFT, TTYKEY_RAW },
185: { 0, "\033[7@", KEYC_HOME|KEYC_CTRL|KEYC_SHIFT, TTYKEY_RAW },
186: { 0, "\033[8@", KEYC_END|KEYC_CTRL|KEYC_SHIFT, TTYKEY_RAW },
187: { 0, "\033[6@", KEYC_NPAGE|KEYC_CTRL|KEYC_SHIFT,TTYKEY_RAW },
188: { 0, "\033[5@", KEYC_PPAGE|KEYC_CTRL|KEYC_SHIFT,TTYKEY_RAW },
1.29 nicm 189:
190: /* terminfo lookups below this line so they can override raw keys. */
191:
192: /* Function keys. */
193: { TTYC_KF1, NULL, KEYC_F1, 0 },
194: { TTYC_KF2, NULL, KEYC_F2, 0 },
195: { TTYC_KF3, NULL, KEYC_F3, 0 },
196: { TTYC_KF4, NULL, KEYC_F4, 0 },
197: { TTYC_KF5, NULL, KEYC_F5, 0 },
198: { TTYC_KF6, NULL, KEYC_F6, 0 },
199: { TTYC_KF7, NULL, KEYC_F7, 0 },
200: { TTYC_KF8, NULL, KEYC_F8, 0 },
201: { TTYC_KF9, NULL, KEYC_F9, 0 },
202: { TTYC_KF10, NULL, KEYC_F10, 0 },
203: { TTYC_KF11, NULL, KEYC_F11, 0 },
204: { TTYC_KF12, NULL, KEYC_F12, 0 },
205: { TTYC_KF13, NULL, KEYC_F13, 0 },
206: { TTYC_KF14, NULL, KEYC_F14, 0 },
207: { TTYC_KF15, NULL, KEYC_F15, 0 },
208: { TTYC_KF16, NULL, KEYC_F16, 0 },
209: { TTYC_KF17, NULL, KEYC_F17, 0 },
210: { TTYC_KF18, NULL, KEYC_F18, 0 },
211: { TTYC_KF19, NULL, KEYC_F19, 0 },
212: { TTYC_KF20, NULL, KEYC_F20, 0 },
213: { TTYC_KICH1, NULL, KEYC_IC, 0 },
214: { TTYC_KDCH1, NULL, KEYC_DC, 0 },
215: { TTYC_KHOME, NULL, KEYC_HOME, 0 },
216: { TTYC_KEND, NULL, KEYC_END, 0 },
217: { TTYC_KNP, NULL, KEYC_NPAGE, 0 },
218: { TTYC_KPP, NULL, KEYC_PPAGE, 0 },
219: { TTYC_KCBT, NULL, KEYC_BTAB, 0 },
220:
221: /* Arrow keys from terminfo. */
222: { TTYC_KCUU1, NULL, KEYC_UP, 0 },
223: { TTYC_KCUD1, NULL, KEYC_DOWN, 0 },
224: { TTYC_KCUB1, NULL, KEYC_LEFT, 0 },
225: { TTYC_KCUF1, NULL, KEYC_RIGHT, 0 },
226:
227: /* Key and modifier capabilities. */
228: { TTYC_KDC2, NULL, KEYC_DC|KEYC_SHIFT, 0 },
229: { TTYC_KDC3, NULL, KEYC_DC|KEYC_ESCAPE, 0 },
230: { TTYC_KDC4, NULL, KEYC_DC|KEYC_SHIFT|KEYC_ESCAPE, 0 },
231: { TTYC_KDC5, NULL, KEYC_DC|KEYC_CTRL, 0 },
232: { TTYC_KDC6, NULL, KEYC_DC|KEYC_SHIFT|KEYC_CTRL, 0 },
233: { TTYC_KDC7, NULL, KEYC_DC|KEYC_ESCAPE|KEYC_CTRL, 0 },
234: { TTYC_KDN2, NULL, KEYC_DOWN|KEYC_SHIFT, 0 },
235: { TTYC_KDN3, NULL, KEYC_DOWN|KEYC_ESCAPE, 0 },
236: { TTYC_KDN4, NULL, KEYC_DOWN|KEYC_SHIFT|KEYC_ESCAPE, 0 },
237: { TTYC_KDN5, NULL, KEYC_DOWN|KEYC_CTRL, 0 },
238: { TTYC_KDN6, NULL, KEYC_DOWN|KEYC_SHIFT|KEYC_CTRL, 0 },
239: { TTYC_KDN7, NULL, KEYC_DOWN|KEYC_ESCAPE|KEYC_CTRL, 0 },
240: { TTYC_KEND2, NULL, KEYC_END|KEYC_SHIFT, 0 },
241: { TTYC_KEND3, NULL, KEYC_END|KEYC_ESCAPE, 0 },
242: { TTYC_KEND4, NULL, KEYC_END|KEYC_SHIFT|KEYC_ESCAPE, 0 },
243: { TTYC_KEND5, NULL, KEYC_END|KEYC_CTRL, 0 },
244: { TTYC_KEND6, NULL, KEYC_END|KEYC_SHIFT|KEYC_CTRL, 0 },
245: { TTYC_KEND7, NULL, KEYC_END|KEYC_ESCAPE|KEYC_CTRL, 0 },
246: { TTYC_KHOM2, NULL, KEYC_HOME|KEYC_SHIFT, 0 },
247: { TTYC_KHOM3, NULL, KEYC_HOME|KEYC_ESCAPE, 0 },
248: { TTYC_KHOM4, NULL, KEYC_HOME|KEYC_SHIFT|KEYC_ESCAPE, 0 },
249: { TTYC_KHOM5, NULL, KEYC_HOME|KEYC_CTRL, 0 },
250: { TTYC_KHOM6, NULL, KEYC_HOME|KEYC_SHIFT|KEYC_CTRL, 0 },
251: { TTYC_KHOM7, NULL, KEYC_HOME|KEYC_ESCAPE|KEYC_CTRL, 0 },
252: { TTYC_KIC2, NULL, KEYC_IC|KEYC_SHIFT, 0 },
253: { TTYC_KIC3, NULL, KEYC_IC|KEYC_ESCAPE, 0 },
254: { TTYC_KIC4, NULL, KEYC_IC|KEYC_SHIFT|KEYC_ESCAPE, 0 },
255: { TTYC_KIC5, NULL, KEYC_IC|KEYC_CTRL, 0 },
256: { TTYC_KIC6, NULL, KEYC_IC|KEYC_SHIFT|KEYC_CTRL, 0 },
257: { TTYC_KIC7, NULL, KEYC_IC|KEYC_ESCAPE|KEYC_CTRL, 0 },
258: { TTYC_KLFT2, NULL, KEYC_LEFT|KEYC_SHIFT, 0 },
259: { TTYC_KLFT3, NULL, KEYC_LEFT|KEYC_ESCAPE, 0 },
260: { TTYC_KLFT4, NULL, KEYC_LEFT|KEYC_SHIFT|KEYC_ESCAPE, 0 },
261: { TTYC_KLFT5, NULL, KEYC_LEFT|KEYC_CTRL, 0 },
262: { TTYC_KLFT6, NULL, KEYC_LEFT|KEYC_SHIFT|KEYC_CTRL, 0 },
263: { TTYC_KLFT7, NULL, KEYC_LEFT|KEYC_ESCAPE|KEYC_CTRL, 0 },
264: { TTYC_KNXT2, NULL, KEYC_NPAGE|KEYC_SHIFT, 0 },
265: { TTYC_KNXT3, NULL, KEYC_NPAGE|KEYC_ESCAPE, 0 },
266: { TTYC_KNXT4, NULL, KEYC_NPAGE|KEYC_SHIFT|KEYC_ESCAPE, 0 },
267: { TTYC_KNXT5, NULL, KEYC_NPAGE|KEYC_CTRL, 0 },
268: { TTYC_KNXT6, NULL, KEYC_NPAGE|KEYC_SHIFT|KEYC_CTRL, 0 },
269: { TTYC_KNXT7, NULL, KEYC_NPAGE|KEYC_ESCAPE|KEYC_CTRL, 0 },
270: { TTYC_KPRV2, NULL, KEYC_PPAGE|KEYC_SHIFT, 0 },
271: { TTYC_KPRV3, NULL, KEYC_PPAGE|KEYC_ESCAPE, 0 },
272: { TTYC_KPRV4, NULL, KEYC_PPAGE|KEYC_SHIFT|KEYC_ESCAPE, 0 },
273: { TTYC_KPRV5, NULL, KEYC_PPAGE|KEYC_CTRL, 0 },
274: { TTYC_KPRV6, NULL, KEYC_PPAGE|KEYC_SHIFT|KEYC_CTRL, 0 },
275: { TTYC_KPRV7, NULL, KEYC_PPAGE|KEYC_ESCAPE|KEYC_CTRL, 0 },
276: { TTYC_KRIT2, NULL, KEYC_RIGHT|KEYC_SHIFT, 0 },
277: { TTYC_KRIT3, NULL, KEYC_RIGHT|KEYC_ESCAPE, 0 },
278: { TTYC_KRIT4, NULL, KEYC_RIGHT|KEYC_SHIFT|KEYC_ESCAPE, 0 },
279: { TTYC_KRIT5, NULL, KEYC_RIGHT|KEYC_CTRL, 0 },
280: { TTYC_KRIT6, NULL, KEYC_RIGHT|KEYC_SHIFT|KEYC_CTRL, 0 },
281: { TTYC_KRIT7, NULL, KEYC_RIGHT|KEYC_ESCAPE|KEYC_CTRL, 0 },
282: { TTYC_KUP2, NULL, KEYC_UP|KEYC_SHIFT, 0 },
283: { TTYC_KUP3, NULL, KEYC_UP|KEYC_ESCAPE, 0 },
284: { TTYC_KUP4, NULL, KEYC_UP|KEYC_SHIFT|KEYC_ESCAPE, 0 },
285: { TTYC_KUP5, NULL, KEYC_UP|KEYC_CTRL, 0 },
286: { TTYC_KUP6, NULL, KEYC_UP|KEYC_SHIFT|KEYC_CTRL, 0 },
287: { TTYC_KUP7, NULL, KEYC_UP|KEYC_ESCAPE|KEYC_CTRL, 0 },
1.1 nicm 288: };
289:
1.16 nicm 290: void
291: tty_keys_add(struct tty *tty, const char *s, int key)
292: {
1.29 nicm 293: struct tty_key *tk;
294: size_t size;
295: const char *keystr;
1.1 nicm 296:
1.29 nicm 297: keystr = key_string_lookup_key(key);
298: if ((tk = tty_keys_find(tty, s, strlen(s), &size)) == NULL) {
299: log_debug("new key %s: 0x%x (%s)", s, key, keystr);
1.16 nicm 300: tty_keys_add1(&tty->key_tree, s, key);
1.29 nicm 301: } else {
302: log_debug("replacing key %s: 0x%x (%s)", s, key, keystr);
303: tk->key = key;
1.16 nicm 304: }
1.1 nicm 305: }
306:
1.16 nicm 307: /* Add next node to the tree. */
1.1 nicm 308: void
1.16 nicm 309: tty_keys_add1(struct tty_key **tkp, const char *s, int key)
1.1 nicm 310: {
1.16 nicm 311: struct tty_key *tk;
1.1 nicm 312:
1.16 nicm 313: /* Allocate a tree entry if there isn't one already. */
314: tk = *tkp;
315: if (tk == NULL) {
316: tk = *tkp = xcalloc(1, sizeof *tk);
317: tk->ch = *s;
318: tk->key = KEYC_NONE;
319: }
320:
321: /* Find the next entry. */
322: if (*s == tk->ch) {
323: /* Move forward in string. */
324: s++;
325:
326: /* If this is the end of the string, no more is necessary. */
327: if (*s == '\0') {
328: tk->key = key;
329: return;
330: }
331:
332: /* Use the child tree for the next character. */
333: tkp = &tk->next;
1.27 nicm 334: } else {
1.16 nicm 335: if (*s < tk->ch)
336: tkp = &tk->left;
337: else if (*s > tk->ch)
338: tkp = &tk->right;
339: }
340:
341: /* And recurse to add it. */
342: tty_keys_add1(tkp, s, key);
1.1 nicm 343: }
344:
1.16 nicm 345: /* Initialise a key tree from the table. */
1.1 nicm 346: void
347: tty_keys_init(struct tty *tty)
348: {
1.32 nicm 349: const struct tty_key_ent *tke;
350: u_int i;
351: const char *s;
1.1 nicm 352:
1.16 nicm 353: tty->key_tree = NULL;
1.1 nicm 354: for (i = 0; i < nitems(tty_keys); i++) {
355: tke = &tty_keys[i];
356:
357: if (tke->flags & TTYKEY_RAW)
358: s = tke->string;
359: else {
360: if (!tty_term_has(tty->term, tke->code))
361: continue;
362: s = tty_term_string(tty->term, tke->code);
363: }
1.16 nicm 364: if (s[0] != '\033' || s[1] == '\0')
365: continue;
1.1 nicm 366:
1.15 nicm 367: tty_keys_add(tty, s + 1, tke->key);
1.1 nicm 368: }
369: }
370:
1.16 nicm 371: /* Free the entire key tree. */
1.1 nicm 372: void
373: tty_keys_free(struct tty *tty)
374: {
1.16 nicm 375: tty_keys_free1(tty->key_tree);
376: }
1.1 nicm 377:
1.16 nicm 378: /* Free a single key. */
379: void
380: tty_keys_free1(struct tty_key *tk)
381: {
382: if (tk->next != NULL)
383: tty_keys_free1(tk->next);
384: if (tk->left != NULL)
385: tty_keys_free1(tk->left);
386: if (tk->right != NULL)
387: tty_keys_free1(tk->right);
388: xfree(tk);
1.1 nicm 389: }
390:
1.16 nicm 391: /* Lookup a key in the tree. */
1.1 nicm 392: struct tty_key *
1.16 nicm 393: tty_keys_find(struct tty *tty, const char *buf, size_t len, size_t *size)
1.1 nicm 394: {
1.16 nicm 395: *size = 0;
396: return (tty_keys_find1(tty->key_tree, buf, len, size));
397: }
1.1 nicm 398:
1.16 nicm 399: /* Find the next node. */
400: struct tty_key *
401: tty_keys_find1(struct tty_key *tk, const char *buf, size_t len, size_t *size)
402: {
403: /* If the node is NULL, this is the end of the tree. No match. */
404: if (tk == NULL)
1.1 nicm 405: return (NULL);
406:
1.16 nicm 407: /* Pick the next in the sequence. */
408: if (tk->ch == *buf) {
409: /* Move forward in the string. */
410: buf++; len--;
411: (*size)++;
1.1 nicm 412:
1.16 nicm 413: /* At the end of the string, return the current node. */
1.30 nicm 414: if (len == 0 || (tk->next == NULL && tk->key != KEYC_NONE))
1.16 nicm 415: return (tk);
1.1 nicm 416:
1.16 nicm 417: /* Move into the next tree for the following character. */
418: tk = tk->next;
419: } else {
420: if (*buf < tk->ch)
421: tk = tk->left;
422: else if (*buf > tk->ch)
423: tk = tk->right;
1.1 nicm 424: }
425:
1.16 nicm 426: /* Move to the next in the tree. */
427: return (tty_keys_find1(tk, buf, len, size));
1.1 nicm 428: }
429:
1.16 nicm 430: /*
431: * Process at least one key in the buffer and invoke tty->key_callback. Return
1.22 nicm 432: * 0 if there are no further keys, or 1 if there could be more in the buffer.
1.16 nicm 433: */
1.1 nicm 434: int
1.14 nicm 435: tty_keys_next(struct tty *tty)
1.1 nicm 436: {
1.14 nicm 437: struct tty_key *tk;
438: struct timeval tv;
439: struct mouse_event mouse;
1.18 nicm 440: const char *buf;
1.14 nicm 441: size_t len, size;
442: cc_t bspace;
1.28 nicm 443: int key, delay;
1.1 nicm 444:
1.13 nicm 445: buf = EVBUFFER_DATA(tty->event->input);
446: len = EVBUFFER_LENGTH(tty->event->input);
1.1 nicm 447: if (len == 0)
1.14 nicm 448: return (0);
1.1 nicm 449: log_debug("keys are %zu (%.*s)", len, (int) len, buf);
450:
451: /* If a normal key, return it. */
452: if (*buf != '\033') {
1.19 nicm 453: key = (u_char) *buf;
1.16 nicm 454: evbuffer_drain(tty->event->input, 1);
1.3 nicm 455:
456: /*
457: * Check for backspace key using termios VERASE - the terminfo
458: * kbs entry is extremely unreliable, so cannot be safely
459: * used. termios should have a better idea.
460: */
461: bspace = tty->tio.c_cc[VERASE];
1.14 nicm 462: if (bspace != _POSIX_VDISABLE && key == bspace)
463: key = KEYC_BSPACE;
1.16 nicm 464: goto handle_key;
1.1 nicm 465: }
466:
1.35 ! nicm 467: /* Is this device attributes response? */
! 468: switch (tty_keys_device(tty, buf, len, &size)) {
! 469: case 0: /* yes */
! 470: evbuffer_drain(tty->event->input, size);
! 471: key = KEYC_NONE;
! 472: goto handle_key;
! 473: case -1: /* no, or not valid */
! 474: break;
! 475: case 1: /* partial */
! 476: goto partial_key;
! 477: }
! 478:
! 479:
1.26 nicm 480: /* Is this a mouse key press? */
1.33 nicm 481: switch (tty_keys_mouse(tty, buf, len, &size, &mouse)) {
1.22 nicm 482: case 0: /* yes */
1.13 nicm 483: evbuffer_drain(tty->event->input, size);
1.22 nicm 484: key = KEYC_MOUSE;
1.16 nicm 485: goto handle_key;
1.22 nicm 486: case -1: /* no, or not valid */
1.24 nicm 487: break;
1.22 nicm 488: case 1: /* partial */
489: goto partial_key;
1.11 nicm 490: }
491:
1.26 nicm 492: /* Try to parse a key with an xterm-style modifier. */
1.25 nicm 493: switch (xterm_keys_find(buf, len, &size, &key)) {
494: case 0: /* found */
1.13 nicm 495: evbuffer_drain(tty->event->input, size);
1.16 nicm 496: goto handle_key;
1.25 nicm 497: case -1: /* not found */
498: break;
499: case 1:
500: goto partial_key;
1.26 nicm 501: }
502:
503: /* Look for matching key string and return if found. */
504: tk = tty_keys_find(tty, buf + 1, len - 1, &size);
505: if (tk != NULL) {
506: key = tk->key;
507: goto found_key;
1.1 nicm 508: }
509:
510: /* Skip the escape. */
511: buf++;
512: len--;
513:
514: /* Is there a normal key following? */
515: if (len != 0 && *buf != '\033') {
1.16 nicm 516: key = *buf | KEYC_ESCAPE;
517: evbuffer_drain(tty->event->input, 2);
518: goto handle_key;
1.1 nicm 519: }
520:
521: /* Or a key string? */
522: if (len > 1) {
523: tk = tty_keys_find(tty, buf + 1, len - 1, &size);
524: if (tk != NULL) {
1.14 nicm 525: key = tk->key | KEYC_ESCAPE;
1.16 nicm 526: size++; /* include escape */
527: goto found_key;
1.1 nicm 528: }
529: }
530:
1.16 nicm 531: /* Escape and then nothing useful - fall through. */
532:
533: partial_key:
1.14 nicm 534: /*
1.16 nicm 535: * Escape but no key string. If have already seen an escape, then the
1.14 nicm 536: * timer must have expired, so give up waiting and send the escape.
537: */
538: if (tty->flags & TTY_ESCAPE) {
539: evbuffer_drain(tty->event->input, 1);
540: key = '\033';
1.16 nicm 541: goto handle_key;
1.14 nicm 542: }
543:
1.16 nicm 544: /* Fall through to start the timer. */
545:
546: start_timer:
1.14 nicm 547: /* Start the timer and wait for expiry or more data. */
1.28 nicm 548: delay = options_get_number(&global_options, "escape-time");
549: tv.tv_sec = delay / 1000;
550: tv.tv_usec = (delay % 1000) * 1000L;
1.27 nicm 551:
1.14 nicm 552: evtimer_del(&tty->key_timer);
553: evtimer_set(&tty->key_timer, tty_keys_callback, tty);
554: evtimer_add(&tty->key_timer, &tv);
1.27 nicm 555:
1.14 nicm 556: tty->flags |= TTY_ESCAPE;
557: return (0);
1.1 nicm 558:
1.16 nicm 559: found_key:
560: if (tk->next != NULL) {
561: /* Partial key. Start the timer if not already expired. */
562: if (!(tty->flags & TTY_ESCAPE))
563: goto start_timer;
564:
565: /* Otherwise, if no key, send the escape alone. */
566: if (tk->key == KEYC_NONE)
567: goto partial_key;
568:
569: /* Or fall through to send the partial key found. */
570: }
571: evbuffer_drain(tty->event->input, size + 1);
572:
573: goto handle_key;
574:
575: handle_key:
1.27 nicm 576: evtimer_del(&tty->key_timer);
1.16 nicm 577:
1.35 ! nicm 578: if (key != KEYC_NONE)
! 579: tty->key_callback(key, &mouse, tty->key_data);
1.16 nicm 580:
1.1 nicm 581: tty->flags &= ~TTY_ESCAPE;
1.14 nicm 582: return (1);
583: }
584:
1.16 nicm 585: /* Key timer callback. */
1.23 nicm 586: /* ARGSUSED */
1.14 nicm 587: void
588: tty_keys_callback(unused int fd, unused short events, void *data)
589: {
590: struct tty *tty = data;
591:
1.16 nicm 592: if (!(tty->flags & TTY_ESCAPE))
593: return;
594:
595: while (tty_keys_next(tty))
596: ;
1.1 nicm 597: }
598:
1.27 nicm 599: /*
1.22 nicm 600: * Handle mouse key input. Returns 0 for success, -1 for failure, 1 for partial
601: * (probably a mouse sequence but need more data).
602: */
1.1 nicm 603: int
1.33 nicm 604: tty_keys_mouse(struct tty *tty,
605: const char *buf, size_t len, size_t *size, struct mouse_event *m)
1.1 nicm 606: {
1.33 nicm 607: struct utf8_data utf8data;
608: u_int i, value;
609:
1.1 nicm 610: /*
1.33 nicm 611: * Standard mouse sequences are \033[M followed by three characters
612: * indicating buttons, X and Y, all based at 32 with 1,1 top-left.
613: *
614: * UTF-8 mouse sequences are similar but the three are expressed as
615: * UTF-8 characters.
1.1 nicm 616: */
617:
1.22 nicm 618: *size = 0;
619:
1.33 nicm 620: /* First three bytes are always \033[M. */
1.22 nicm 621: if (buf[0] != '\033')
622: return (-1);
623: if (len == 1)
624: return (1);
625: if (buf[1] != '[')
626: return (-1);
627: if (len == 2)
628: return (1);
629: if (buf[2] != 'M')
630: return (-1);
631: if (len == 3)
632: return (1);
633:
1.33 nicm 634: /* Read the three inputs. */
635: *size = 3;
636: for (i = 0; i < 3; i++) {
637: if (len < *size)
638: return (1);
639:
640: if (tty->mode & MODE_MOUSE_UTF8) {
641: if (utf8_open(&utf8data, buf[*size])) {
642: if (utf8data.size != 2)
643: return (-1);
644: (*size)++;
645: if (len < *size)
646: return (1);
647: utf8_append(&utf8data, buf[*size]);
648: value = utf8_combine(&utf8data);
649: } else
1.34 nicm 650: value = (unsigned char)buf[*size];
1.33 nicm 651: (*size)++;
652: } else {
1.34 nicm 653: value = (unsigned char)buf[*size];
1.33 nicm 654: (*size)++;
655: }
1.16 nicm 656:
1.33 nicm 657: if (i == 0)
658: m->b = value;
659: else if (i == 1)
660: m->x = value;
661: else
662: m->y = value;
663: }
664: log_debug("mouse input: %.*s", (int) *size, buf);
1.1 nicm 665:
1.33 nicm 666: /* Check and return the mouse input. */
1.5 nicm 667: if (m->b < 32 || m->x < 33 || m->y < 33)
1.22 nicm 668: return (-1);
1.5 nicm 669: m->b -= 32;
670: m->x -= 33;
671: m->y -= 33;
1.33 nicm 672: log_debug("mouse position: x=%u y=%u b=%u", m->x, m->y, m->b);
1.35 ! nicm 673: return (0);
! 674: }
! 675:
! 676: /*
! 677: * Handle device attributes input. Returns 0 for success, -1 for failure, 1 for
! 678: * partial.
! 679: */
! 680: int
! 681: tty_keys_device(struct tty *tty, const char *buf, size_t len, size_t *size)
! 682: {
! 683: u_int i, a, b;
! 684: char tmp[64], *endptr;
! 685:
! 686: /*
! 687: * Secondary device attributes are \033[>a;b;c. We only request
! 688: * attributes on xterm, so we only care about the middle values which
! 689: * is the xterm version.
! 690: */
! 691:
! 692: *size = 0;
! 693:
! 694: /* First three bytes are always \033[>. */
! 695: if (buf[0] != '\033')
! 696: return (-1);
! 697: if (len == 1)
! 698: return (1);
! 699: if (buf[1] != '[')
! 700: return (-1);
! 701: if (len == 2)
! 702: return (1);
! 703: if (buf[2] != '>')
! 704: return (-1);
! 705: if (len == 3)
! 706: return (1);
! 707:
! 708: /* Copy the rest up to a 'c'. */
! 709: for (i = 0; i < (sizeof tmp) - 1 && buf[3 + i] != 'c'; i++) {
! 710: if (3 + i == len)
! 711: return (1);
! 712: tmp[i] = buf[3 + i];
! 713: }
! 714: if (i == (sizeof tmp) - 1)
! 715: return (-1);
! 716: tmp[i] = '\0';
! 717: *size = 4 + i;
! 718:
! 719: /* Convert version numbers. */
! 720: a = strtoul(tmp, &endptr, 10);
! 721: if (*endptr == ';') {
! 722: b = strtoul(endptr + 1, &endptr, 10);
! 723: if (*endptr != '\0' && *endptr != ';')
! 724: b = 0;
! 725: } else
! 726: a = b = 0;
! 727:
! 728: log_debug("received xterm version %u", b);
! 729: if (tty->xterm_version == 0)
! 730: tty->xterm_version = b;
! 731:
1.22 nicm 732: return (0);
1.1 nicm 733: }
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