Annotation of src/usr.bin/tmux/tty-keys.c, Revision 1.47
1.47 ! nicm 1: /* $OpenBSD: tty-keys.c,v 1.46 2012/11/22 14:26:04 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 *);
1.40 nicm 43: int tty_keys_mouse(struct tty *, const char *, size_t, size_t *);
1.35 nicm 44: int tty_keys_device(struct tty *, const char *, size_t, size_t *);
1.1 nicm 45:
46: struct tty_key_ent {
47: enum tty_code_code code;
48: const char *string;
49:
50: int key;
51: int flags;
1.20 nicm 52: #define TTYKEY_RAW 0x1
1.1 nicm 53: };
54:
1.27 nicm 55: /*
1.16 nicm 56: * Default key tables. Those flagged with TTYKEY_RAW are inserted directly,
1.20 nicm 57: * otherwise they are looked up in terminfo(5).
1.16 nicm 58: */
1.32 nicm 59: const struct tty_key_ent tty_keys[] = {
1.1 nicm 60: /*
1.8 nicm 61: * Numeric keypad. Just use the vt100 escape sequences here and always
62: * put the terminal into keypad_xmit mode. Translation of numbers
63: * mode/applications mode is done in input-keys.c.
1.1 nicm 64: */
1.29 nicm 65: { 0, "\033Oo", KEYC_KP_SLASH, TTYKEY_RAW },
66: { 0, "\033Oj", KEYC_KP_STAR, TTYKEY_RAW },
67: { 0, "\033Om", KEYC_KP_MINUS, TTYKEY_RAW },
68: { 0, "\033Ow", KEYC_KP_SEVEN, TTYKEY_RAW },
69: { 0, "\033Ox", KEYC_KP_EIGHT, TTYKEY_RAW },
70: { 0, "\033Oy", KEYC_KP_NINE, TTYKEY_RAW },
71: { 0, "\033Ok", KEYC_KP_PLUS, TTYKEY_RAW },
72: { 0, "\033Ot", KEYC_KP_FOUR, TTYKEY_RAW },
73: { 0, "\033Ou", KEYC_KP_FIVE, TTYKEY_RAW },
74: { 0, "\033Ov", KEYC_KP_SIX, TTYKEY_RAW },
75: { 0, "\033Oq", KEYC_KP_ONE, TTYKEY_RAW },
76: { 0, "\033Or", KEYC_KP_TWO, TTYKEY_RAW },
77: { 0, "\033Os", KEYC_KP_THREE, TTYKEY_RAW },
78: { 0, "\033OM", KEYC_KP_ENTER, TTYKEY_RAW },
79: { 0, "\033Op", KEYC_KP_ZERO, TTYKEY_RAW },
80: { 0, "\033On", KEYC_KP_PERIOD, TTYKEY_RAW },
1.10 nicm 81:
1.29 nicm 82: /* Arrow keys. */
83: { 0, "\033OA", KEYC_UP, TTYKEY_RAW },
84: { 0, "\033OB", KEYC_DOWN, TTYKEY_RAW },
85: { 0, "\033OC", KEYC_RIGHT, TTYKEY_RAW },
86: { 0, "\033OD", KEYC_LEFT, TTYKEY_RAW },
87:
88: { 0, "\033[A", KEYC_UP, TTYKEY_RAW },
89: { 0, "\033[B", KEYC_DOWN, TTYKEY_RAW },
90: { 0, "\033[C", KEYC_RIGHT, TTYKEY_RAW },
91: { 0, "\033[D", KEYC_LEFT, TTYKEY_RAW },
1.21 nicm 92:
93: /* rxvt-style arrow + modifier keys. */
94: { 0, "\033Oa", KEYC_UP|KEYC_CTRL, TTYKEY_RAW },
95: { 0, "\033Ob", KEYC_DOWN|KEYC_CTRL, TTYKEY_RAW },
96: { 0, "\033Oc", KEYC_RIGHT|KEYC_CTRL, TTYKEY_RAW },
97: { 0, "\033Od", KEYC_LEFT|KEYC_CTRL, TTYKEY_RAW },
98:
99: { 0, "\033[a", KEYC_UP|KEYC_SHIFT, TTYKEY_RAW },
100: { 0, "\033[b", KEYC_DOWN|KEYC_SHIFT, TTYKEY_RAW },
101: { 0, "\033[c", KEYC_RIGHT|KEYC_SHIFT, TTYKEY_RAW },
102: { 0, "\033[d", KEYC_LEFT|KEYC_SHIFT, TTYKEY_RAW },
103:
104: /*
105: * rxvt-style function + modifier keys:
106: * Ctrl = ^, Shift = $, Ctrl+Shift = @
107: */
108: { 0, "\033[11^", KEYC_F1|KEYC_CTRL, TTYKEY_RAW },
109: { 0, "\033[12^", KEYC_F2|KEYC_CTRL, TTYKEY_RAW },
110: { 0, "\033[13^", KEYC_F3|KEYC_CTRL, TTYKEY_RAW },
111: { 0, "\033[14^", KEYC_F4|KEYC_CTRL, TTYKEY_RAW },
112: { 0, "\033[15^", KEYC_F5|KEYC_CTRL, TTYKEY_RAW },
113: { 0, "\033[17^", KEYC_F6|KEYC_CTRL, TTYKEY_RAW },
114: { 0, "\033[18^", KEYC_F7|KEYC_CTRL, TTYKEY_RAW },
115: { 0, "\033[19^", KEYC_F8|KEYC_CTRL, TTYKEY_RAW },
116: { 0, "\033[20^", KEYC_F9|KEYC_CTRL, TTYKEY_RAW },
117: { 0, "\033[21^", KEYC_F10|KEYC_CTRL, TTYKEY_RAW },
118: { 0, "\033[23^", KEYC_F11|KEYC_CTRL, TTYKEY_RAW },
119: { 0, "\033[24^", KEYC_F12|KEYC_CTRL, TTYKEY_RAW },
120: { 0, "\033[25^", KEYC_F13|KEYC_CTRL, TTYKEY_RAW },
121: { 0, "\033[26^", KEYC_F14|KEYC_CTRL, TTYKEY_RAW },
122: { 0, "\033[28^", KEYC_F15|KEYC_CTRL, TTYKEY_RAW },
123: { 0, "\033[29^", KEYC_F16|KEYC_CTRL, TTYKEY_RAW },
124: { 0, "\033[31^", KEYC_F17|KEYC_CTRL, TTYKEY_RAW },
125: { 0, "\033[32^", KEYC_F18|KEYC_CTRL, TTYKEY_RAW },
126: { 0, "\033[33^", KEYC_F19|KEYC_CTRL, TTYKEY_RAW },
127: { 0, "\033[34^", KEYC_F20|KEYC_CTRL, TTYKEY_RAW },
128: { 0, "\033[2^", KEYC_IC|KEYC_CTRL, TTYKEY_RAW },
129: { 0, "\033[3^", KEYC_DC|KEYC_CTRL, TTYKEY_RAW },
130: { 0, "\033[7^", KEYC_HOME|KEYC_CTRL, TTYKEY_RAW },
131: { 0, "\033[8^", KEYC_END|KEYC_CTRL, TTYKEY_RAW },
132: { 0, "\033[6^", KEYC_NPAGE|KEYC_CTRL, TTYKEY_RAW },
133: { 0, "\033[5^", KEYC_PPAGE|KEYC_CTRL, TTYKEY_RAW },
134:
135: { 0, "\033[11$", KEYC_F1|KEYC_SHIFT, TTYKEY_RAW },
136: { 0, "\033[12$", KEYC_F2|KEYC_SHIFT, TTYKEY_RAW },
137: { 0, "\033[13$", KEYC_F3|KEYC_SHIFT, TTYKEY_RAW },
138: { 0, "\033[14$", KEYC_F4|KEYC_SHIFT, TTYKEY_RAW },
139: { 0, "\033[15$", KEYC_F5|KEYC_SHIFT, TTYKEY_RAW },
140: { 0, "\033[17$", KEYC_F6|KEYC_SHIFT, TTYKEY_RAW },
141: { 0, "\033[18$", KEYC_F7|KEYC_SHIFT, TTYKEY_RAW },
142: { 0, "\033[19$", KEYC_F8|KEYC_SHIFT, TTYKEY_RAW },
143: { 0, "\033[20$", KEYC_F9|KEYC_SHIFT, TTYKEY_RAW },
144: { 0, "\033[21$", KEYC_F10|KEYC_SHIFT, TTYKEY_RAW },
145: { 0, "\033[23$", KEYC_F11|KEYC_SHIFT, TTYKEY_RAW },
146: { 0, "\033[24$", KEYC_F12|KEYC_SHIFT, TTYKEY_RAW },
147: { 0, "\033[25$", KEYC_F13|KEYC_SHIFT, TTYKEY_RAW },
148: { 0, "\033[26$", KEYC_F14|KEYC_SHIFT, TTYKEY_RAW },
149: { 0, "\033[28$", KEYC_F15|KEYC_SHIFT, TTYKEY_RAW },
150: { 0, "\033[29$", KEYC_F16|KEYC_SHIFT, TTYKEY_RAW },
151: { 0, "\033[31$", KEYC_F17|KEYC_SHIFT, TTYKEY_RAW },
152: { 0, "\033[32$", KEYC_F18|KEYC_SHIFT, TTYKEY_RAW },
153: { 0, "\033[33$", KEYC_F19|KEYC_SHIFT, TTYKEY_RAW },
154: { 0, "\033[34$", KEYC_F20|KEYC_SHIFT, TTYKEY_RAW },
155: { 0, "\033[2$", KEYC_IC|KEYC_SHIFT, TTYKEY_RAW },
156: { 0, "\033[3$", KEYC_DC|KEYC_SHIFT, TTYKEY_RAW },
157: { 0, "\033[7$", KEYC_HOME|KEYC_SHIFT, TTYKEY_RAW },
158: { 0, "\033[8$", KEYC_END|KEYC_SHIFT, TTYKEY_RAW },
159: { 0, "\033[6$", KEYC_NPAGE|KEYC_SHIFT, TTYKEY_RAW },
160: { 0, "\033[5$", KEYC_PPAGE|KEYC_SHIFT, TTYKEY_RAW },
161:
162: { 0, "\033[11@", KEYC_F1|KEYC_CTRL|KEYC_SHIFT, TTYKEY_RAW },
163: { 0, "\033[12@", KEYC_F2|KEYC_CTRL|KEYC_SHIFT, TTYKEY_RAW },
164: { 0, "\033[13@", KEYC_F3|KEYC_CTRL|KEYC_SHIFT, TTYKEY_RAW },
165: { 0, "\033[14@", KEYC_F4|KEYC_CTRL|KEYC_SHIFT, TTYKEY_RAW },
166: { 0, "\033[15@", KEYC_F5|KEYC_CTRL|KEYC_SHIFT, TTYKEY_RAW },
167: { 0, "\033[17@", KEYC_F6|KEYC_CTRL|KEYC_SHIFT, TTYKEY_RAW },
168: { 0, "\033[18@", KEYC_F7|KEYC_CTRL|KEYC_SHIFT, TTYKEY_RAW },
169: { 0, "\033[19@", KEYC_F8|KEYC_CTRL|KEYC_SHIFT, TTYKEY_RAW },
170: { 0, "\033[20@", KEYC_F9|KEYC_CTRL|KEYC_SHIFT, TTYKEY_RAW },
171: { 0, "\033[21@", KEYC_F10|KEYC_CTRL|KEYC_SHIFT, TTYKEY_RAW },
172: { 0, "\033[23@", KEYC_F11|KEYC_CTRL|KEYC_SHIFT, TTYKEY_RAW },
173: { 0, "\033[24@", KEYC_F12|KEYC_CTRL|KEYC_SHIFT, TTYKEY_RAW },
174: { 0, "\033[25@", KEYC_F13|KEYC_CTRL|KEYC_SHIFT, TTYKEY_RAW },
175: { 0, "\033[26@", KEYC_F14|KEYC_CTRL|KEYC_SHIFT, TTYKEY_RAW },
176: { 0, "\033[28@", KEYC_F15|KEYC_CTRL|KEYC_SHIFT, TTYKEY_RAW },
177: { 0, "\033[29@", KEYC_F16|KEYC_CTRL|KEYC_SHIFT, TTYKEY_RAW },
178: { 0, "\033[31@", KEYC_F17|KEYC_CTRL|KEYC_SHIFT, TTYKEY_RAW },
179: { 0, "\033[32@", KEYC_F18|KEYC_CTRL|KEYC_SHIFT, TTYKEY_RAW },
180: { 0, "\033[33@", KEYC_F19|KEYC_CTRL|KEYC_SHIFT, TTYKEY_RAW },
181: { 0, "\033[34@", KEYC_F20|KEYC_CTRL|KEYC_SHIFT, TTYKEY_RAW },
182: { 0, "\033[2@", KEYC_IC|KEYC_CTRL|KEYC_SHIFT, TTYKEY_RAW },
183: { 0, "\033[3@", KEYC_DC|KEYC_CTRL|KEYC_SHIFT, TTYKEY_RAW },
184: { 0, "\033[7@", KEYC_HOME|KEYC_CTRL|KEYC_SHIFT, TTYKEY_RAW },
185: { 0, "\033[8@", KEYC_END|KEYC_CTRL|KEYC_SHIFT, TTYKEY_RAW },
186: { 0, "\033[6@", KEYC_NPAGE|KEYC_CTRL|KEYC_SHIFT,TTYKEY_RAW },
187: { 0, "\033[5@", KEYC_PPAGE|KEYC_CTRL|KEYC_SHIFT,TTYKEY_RAW },
1.29 nicm 188:
189: /* terminfo lookups below this line so they can override raw keys. */
190:
191: /* Function keys. */
192: { TTYC_KF1, NULL, KEYC_F1, 0 },
193: { TTYC_KF2, NULL, KEYC_F2, 0 },
194: { TTYC_KF3, NULL, KEYC_F3, 0 },
195: { TTYC_KF4, NULL, KEYC_F4, 0 },
196: { TTYC_KF5, NULL, KEYC_F5, 0 },
197: { TTYC_KF6, NULL, KEYC_F6, 0 },
198: { TTYC_KF7, NULL, KEYC_F7, 0 },
199: { TTYC_KF8, NULL, KEYC_F8, 0 },
200: { TTYC_KF9, NULL, KEYC_F9, 0 },
201: { TTYC_KF10, NULL, KEYC_F10, 0 },
202: { TTYC_KF11, NULL, KEYC_F11, 0 },
203: { TTYC_KF12, NULL, KEYC_F12, 0 },
204: { TTYC_KF13, NULL, KEYC_F13, 0 },
205: { TTYC_KF14, NULL, KEYC_F14, 0 },
206: { TTYC_KF15, NULL, KEYC_F15, 0 },
207: { TTYC_KF16, NULL, KEYC_F16, 0 },
208: { TTYC_KF17, NULL, KEYC_F17, 0 },
209: { TTYC_KF18, NULL, KEYC_F18, 0 },
210: { TTYC_KF19, NULL, KEYC_F19, 0 },
211: { TTYC_KF20, NULL, KEYC_F20, 0 },
212: { TTYC_KICH1, NULL, KEYC_IC, 0 },
213: { TTYC_KDCH1, NULL, KEYC_DC, 0 },
214: { TTYC_KHOME, NULL, KEYC_HOME, 0 },
215: { TTYC_KEND, NULL, KEYC_END, 0 },
216: { TTYC_KNP, NULL, KEYC_NPAGE, 0 },
217: { TTYC_KPP, NULL, KEYC_PPAGE, 0 },
218: { TTYC_KCBT, NULL, KEYC_BTAB, 0 },
219:
220: /* Arrow keys from terminfo. */
221: { TTYC_KCUU1, NULL, KEYC_UP, 0 },
222: { TTYC_KCUD1, NULL, KEYC_DOWN, 0 },
223: { TTYC_KCUB1, NULL, KEYC_LEFT, 0 },
224: { TTYC_KCUF1, NULL, KEYC_RIGHT, 0 },
225:
226: /* Key and modifier capabilities. */
227: { TTYC_KDC2, NULL, KEYC_DC|KEYC_SHIFT, 0 },
228: { TTYC_KDC3, NULL, KEYC_DC|KEYC_ESCAPE, 0 },
229: { TTYC_KDC4, NULL, KEYC_DC|KEYC_SHIFT|KEYC_ESCAPE, 0 },
230: { TTYC_KDC5, NULL, KEYC_DC|KEYC_CTRL, 0 },
231: { TTYC_KDC6, NULL, KEYC_DC|KEYC_SHIFT|KEYC_CTRL, 0 },
232: { TTYC_KDC7, NULL, KEYC_DC|KEYC_ESCAPE|KEYC_CTRL, 0 },
233: { TTYC_KDN2, NULL, KEYC_DOWN|KEYC_SHIFT, 0 },
234: { TTYC_KDN3, NULL, KEYC_DOWN|KEYC_ESCAPE, 0 },
235: { TTYC_KDN4, NULL, KEYC_DOWN|KEYC_SHIFT|KEYC_ESCAPE, 0 },
236: { TTYC_KDN5, NULL, KEYC_DOWN|KEYC_CTRL, 0 },
237: { TTYC_KDN6, NULL, KEYC_DOWN|KEYC_SHIFT|KEYC_CTRL, 0 },
238: { TTYC_KDN7, NULL, KEYC_DOWN|KEYC_ESCAPE|KEYC_CTRL, 0 },
239: { TTYC_KEND2, NULL, KEYC_END|KEYC_SHIFT, 0 },
240: { TTYC_KEND3, NULL, KEYC_END|KEYC_ESCAPE, 0 },
241: { TTYC_KEND4, NULL, KEYC_END|KEYC_SHIFT|KEYC_ESCAPE, 0 },
242: { TTYC_KEND5, NULL, KEYC_END|KEYC_CTRL, 0 },
243: { TTYC_KEND6, NULL, KEYC_END|KEYC_SHIFT|KEYC_CTRL, 0 },
244: { TTYC_KEND7, NULL, KEYC_END|KEYC_ESCAPE|KEYC_CTRL, 0 },
245: { TTYC_KHOM2, NULL, KEYC_HOME|KEYC_SHIFT, 0 },
246: { TTYC_KHOM3, NULL, KEYC_HOME|KEYC_ESCAPE, 0 },
247: { TTYC_KHOM4, NULL, KEYC_HOME|KEYC_SHIFT|KEYC_ESCAPE, 0 },
248: { TTYC_KHOM5, NULL, KEYC_HOME|KEYC_CTRL, 0 },
249: { TTYC_KHOM6, NULL, KEYC_HOME|KEYC_SHIFT|KEYC_CTRL, 0 },
250: { TTYC_KHOM7, NULL, KEYC_HOME|KEYC_ESCAPE|KEYC_CTRL, 0 },
251: { TTYC_KIC2, NULL, KEYC_IC|KEYC_SHIFT, 0 },
252: { TTYC_KIC3, NULL, KEYC_IC|KEYC_ESCAPE, 0 },
253: { TTYC_KIC4, NULL, KEYC_IC|KEYC_SHIFT|KEYC_ESCAPE, 0 },
254: { TTYC_KIC5, NULL, KEYC_IC|KEYC_CTRL, 0 },
255: { TTYC_KIC6, NULL, KEYC_IC|KEYC_SHIFT|KEYC_CTRL, 0 },
256: { TTYC_KIC7, NULL, KEYC_IC|KEYC_ESCAPE|KEYC_CTRL, 0 },
257: { TTYC_KLFT2, NULL, KEYC_LEFT|KEYC_SHIFT, 0 },
258: { TTYC_KLFT3, NULL, KEYC_LEFT|KEYC_ESCAPE, 0 },
259: { TTYC_KLFT4, NULL, KEYC_LEFT|KEYC_SHIFT|KEYC_ESCAPE, 0 },
260: { TTYC_KLFT5, NULL, KEYC_LEFT|KEYC_CTRL, 0 },
261: { TTYC_KLFT6, NULL, KEYC_LEFT|KEYC_SHIFT|KEYC_CTRL, 0 },
262: { TTYC_KLFT7, NULL, KEYC_LEFT|KEYC_ESCAPE|KEYC_CTRL, 0 },
263: { TTYC_KNXT2, NULL, KEYC_NPAGE|KEYC_SHIFT, 0 },
264: { TTYC_KNXT3, NULL, KEYC_NPAGE|KEYC_ESCAPE, 0 },
265: { TTYC_KNXT4, NULL, KEYC_NPAGE|KEYC_SHIFT|KEYC_ESCAPE, 0 },
266: { TTYC_KNXT5, NULL, KEYC_NPAGE|KEYC_CTRL, 0 },
267: { TTYC_KNXT6, NULL, KEYC_NPAGE|KEYC_SHIFT|KEYC_CTRL, 0 },
268: { TTYC_KNXT7, NULL, KEYC_NPAGE|KEYC_ESCAPE|KEYC_CTRL, 0 },
269: { TTYC_KPRV2, NULL, KEYC_PPAGE|KEYC_SHIFT, 0 },
270: { TTYC_KPRV3, NULL, KEYC_PPAGE|KEYC_ESCAPE, 0 },
271: { TTYC_KPRV4, NULL, KEYC_PPAGE|KEYC_SHIFT|KEYC_ESCAPE, 0 },
272: { TTYC_KPRV5, NULL, KEYC_PPAGE|KEYC_CTRL, 0 },
273: { TTYC_KPRV6, NULL, KEYC_PPAGE|KEYC_SHIFT|KEYC_CTRL, 0 },
274: { TTYC_KPRV7, NULL, KEYC_PPAGE|KEYC_ESCAPE|KEYC_CTRL, 0 },
275: { TTYC_KRIT2, NULL, KEYC_RIGHT|KEYC_SHIFT, 0 },
276: { TTYC_KRIT3, NULL, KEYC_RIGHT|KEYC_ESCAPE, 0 },
277: { TTYC_KRIT4, NULL, KEYC_RIGHT|KEYC_SHIFT|KEYC_ESCAPE, 0 },
278: { TTYC_KRIT5, NULL, KEYC_RIGHT|KEYC_CTRL, 0 },
279: { TTYC_KRIT6, NULL, KEYC_RIGHT|KEYC_SHIFT|KEYC_CTRL, 0 },
280: { TTYC_KRIT7, NULL, KEYC_RIGHT|KEYC_ESCAPE|KEYC_CTRL, 0 },
281: { TTYC_KUP2, NULL, KEYC_UP|KEYC_SHIFT, 0 },
282: { TTYC_KUP3, NULL, KEYC_UP|KEYC_ESCAPE, 0 },
283: { TTYC_KUP4, NULL, KEYC_UP|KEYC_SHIFT|KEYC_ESCAPE, 0 },
284: { TTYC_KUP5, NULL, KEYC_UP|KEYC_CTRL, 0 },
285: { TTYC_KUP6, NULL, KEYC_UP|KEYC_SHIFT|KEYC_CTRL, 0 },
286: { TTYC_KUP7, NULL, KEYC_UP|KEYC_ESCAPE|KEYC_CTRL, 0 },
1.1 nicm 287: };
288:
1.16 nicm 289: void
290: tty_keys_add(struct tty *tty, const char *s, int key)
291: {
1.29 nicm 292: struct tty_key *tk;
293: size_t size;
294: const char *keystr;
1.1 nicm 295:
1.29 nicm 296: keystr = key_string_lookup_key(key);
297: if ((tk = tty_keys_find(tty, s, strlen(s), &size)) == NULL) {
298: log_debug("new key %s: 0x%x (%s)", s, key, keystr);
1.16 nicm 299: tty_keys_add1(&tty->key_tree, s, key);
1.29 nicm 300: } else {
301: log_debug("replacing key %s: 0x%x (%s)", s, key, keystr);
302: tk->key = key;
1.16 nicm 303: }
1.1 nicm 304: }
305:
1.16 nicm 306: /* Add next node to the tree. */
1.1 nicm 307: void
1.16 nicm 308: tty_keys_add1(struct tty_key **tkp, const char *s, int key)
1.1 nicm 309: {
1.16 nicm 310: struct tty_key *tk;
1.1 nicm 311:
1.16 nicm 312: /* Allocate a tree entry if there isn't one already. */
313: tk = *tkp;
314: if (tk == NULL) {
315: tk = *tkp = xcalloc(1, sizeof *tk);
316: tk->ch = *s;
317: tk->key = KEYC_NONE;
318: }
319:
320: /* Find the next entry. */
321: if (*s == tk->ch) {
322: /* Move forward in string. */
323: s++;
324:
325: /* If this is the end of the string, no more is necessary. */
326: if (*s == '\0') {
327: tk->key = key;
328: return;
329: }
330:
331: /* Use the child tree for the next character. */
332: tkp = &tk->next;
1.27 nicm 333: } else {
1.16 nicm 334: if (*s < tk->ch)
335: tkp = &tk->left;
336: else if (*s > tk->ch)
337: tkp = &tk->right;
338: }
339:
340: /* And recurse to add it. */
341: tty_keys_add1(tkp, s, key);
1.1 nicm 342: }
343:
1.16 nicm 344: /* Initialise a key tree from the table. */
1.1 nicm 345: void
346: tty_keys_init(struct tty *tty)
347: {
1.32 nicm 348: const struct tty_key_ent *tke;
349: u_int i;
350: const char *s;
1.1 nicm 351:
1.16 nicm 352: tty->key_tree = NULL;
1.1 nicm 353: for (i = 0; i < nitems(tty_keys); i++) {
354: tke = &tty_keys[i];
355:
356: if (tke->flags & TTYKEY_RAW)
357: s = tke->string;
358: else {
359: if (!tty_term_has(tty->term, tke->code))
360: continue;
361: s = tty_term_string(tty->term, tke->code);
362: }
1.16 nicm 363: if (s[0] != '\033' || s[1] == '\0')
364: continue;
1.1 nicm 365:
1.15 nicm 366: tty_keys_add(tty, s + 1, tke->key);
1.1 nicm 367: }
368: }
369:
1.16 nicm 370: /* Free the entire key tree. */
1.1 nicm 371: void
372: tty_keys_free(struct tty *tty)
373: {
1.16 nicm 374: tty_keys_free1(tty->key_tree);
375: }
1.1 nicm 376:
1.16 nicm 377: /* Free a single key. */
378: void
379: tty_keys_free1(struct tty_key *tk)
380: {
381: if (tk->next != NULL)
382: tty_keys_free1(tk->next);
383: if (tk->left != NULL)
384: tty_keys_free1(tk->left);
385: if (tk->right != NULL)
386: tty_keys_free1(tk->right);
1.42 nicm 387: free(tk);
1.1 nicm 388: }
389:
1.16 nicm 390: /* Lookup a key in the tree. */
1.1 nicm 391: struct tty_key *
1.16 nicm 392: tty_keys_find(struct tty *tty, const char *buf, size_t len, size_t *size)
1.1 nicm 393: {
1.16 nicm 394: *size = 0;
395: return (tty_keys_find1(tty->key_tree, buf, len, size));
396: }
1.1 nicm 397:
1.16 nicm 398: /* Find the next node. */
399: struct tty_key *
400: tty_keys_find1(struct tty_key *tk, const char *buf, size_t len, size_t *size)
401: {
402: /* If the node is NULL, this is the end of the tree. No match. */
403: if (tk == NULL)
1.1 nicm 404: return (NULL);
405:
1.16 nicm 406: /* Pick the next in the sequence. */
407: if (tk->ch == *buf) {
408: /* Move forward in the string. */
409: buf++; len--;
410: (*size)++;
1.1 nicm 411:
1.16 nicm 412: /* At the end of the string, return the current node. */
1.30 nicm 413: if (len == 0 || (tk->next == NULL && tk->key != KEYC_NONE))
1.16 nicm 414: return (tk);
1.1 nicm 415:
1.16 nicm 416: /* Move into the next tree for the following character. */
417: tk = tk->next;
418: } else {
419: if (*buf < tk->ch)
420: tk = tk->left;
421: else if (*buf > tk->ch)
422: tk = tk->right;
1.1 nicm 423: }
424:
1.16 nicm 425: /* Move to the next in the tree. */
426: return (tty_keys_find1(tk, buf, len, size));
1.1 nicm 427: }
428:
1.16 nicm 429: /*
430: * Process at least one key in the buffer and invoke tty->key_callback. Return
1.22 nicm 431: * 0 if there are no further keys, or 1 if there could be more in the buffer.
1.16 nicm 432: */
1.1 nicm 433: int
1.14 nicm 434: tty_keys_next(struct tty *tty)
1.1 nicm 435: {
1.40 nicm 436: struct tty_key *tk;
437: struct timeval tv;
438: const char *buf;
439: size_t len, size;
440: cc_t bspace;
441: int key, delay;
1.1 nicm 442:
1.13 nicm 443: buf = EVBUFFER_DATA(tty->event->input);
444: len = EVBUFFER_LENGTH(tty->event->input);
1.1 nicm 445: if (len == 0)
1.14 nicm 446: return (0);
1.1 nicm 447: log_debug("keys are %zu (%.*s)", len, (int) len, buf);
448:
449: /* If a normal key, return it. */
450: if (*buf != '\033') {
1.19 nicm 451: key = (u_char) *buf;
1.16 nicm 452: evbuffer_drain(tty->event->input, 1);
1.3 nicm 453:
454: /*
455: * Check for backspace key using termios VERASE - the terminfo
456: * kbs entry is extremely unreliable, so cannot be safely
457: * used. termios should have a better idea.
458: */
459: bspace = tty->tio.c_cc[VERASE];
1.14 nicm 460: if (bspace != _POSIX_VDISABLE && key == bspace)
461: key = KEYC_BSPACE;
1.16 nicm 462: goto handle_key;
1.1 nicm 463: }
464:
1.35 nicm 465: /* Is this device attributes response? */
466: switch (tty_keys_device(tty, buf, len, &size)) {
467: case 0: /* yes */
468: evbuffer_drain(tty->event->input, size);
469: key = KEYC_NONE;
470: goto handle_key;
471: case -1: /* no, or not valid */
472: break;
473: case 1: /* partial */
474: goto partial_key;
475: }
476:
1.26 nicm 477: /* Is this a mouse key press? */
1.40 nicm 478: switch (tty_keys_mouse(tty, buf, len, &size)) {
1.22 nicm 479: case 0: /* yes */
1.13 nicm 480: evbuffer_drain(tty->event->input, size);
1.22 nicm 481: key = KEYC_MOUSE;
1.16 nicm 482: goto handle_key;
1.22 nicm 483: case -1: /* no, or not valid */
1.24 nicm 484: break;
1.22 nicm 485: case 1: /* partial */
486: goto partial_key;
1.11 nicm 487: }
488:
1.26 nicm 489: /* Try to parse a key with an xterm-style modifier. */
1.25 nicm 490: switch (xterm_keys_find(buf, len, &size, &key)) {
491: case 0: /* found */
1.13 nicm 492: evbuffer_drain(tty->event->input, size);
1.16 nicm 493: goto handle_key;
1.25 nicm 494: case -1: /* not found */
495: break;
496: case 1:
497: goto partial_key;
1.26 nicm 498: }
499:
500: /* Look for matching key string and return if found. */
501: tk = tty_keys_find(tty, buf + 1, len - 1, &size);
502: if (tk != NULL) {
503: key = tk->key;
504: goto found_key;
1.1 nicm 505: }
506:
507: /* Skip the escape. */
508: buf++;
509: len--;
510:
511: /* Is there a normal key following? */
512: if (len != 0 && *buf != '\033') {
1.16 nicm 513: key = *buf | KEYC_ESCAPE;
514: evbuffer_drain(tty->event->input, 2);
515: goto handle_key;
1.1 nicm 516: }
517:
518: /* Or a key string? */
519: if (len > 1) {
520: tk = tty_keys_find(tty, buf + 1, len - 1, &size);
521: if (tk != NULL) {
1.14 nicm 522: key = tk->key | KEYC_ESCAPE;
1.16 nicm 523: size++; /* include escape */
524: goto found_key;
1.1 nicm 525: }
526: }
527:
1.16 nicm 528: /* Escape and then nothing useful - fall through. */
529:
530: partial_key:
1.14 nicm 531: /*
1.39 nicm 532: * Escape but no key string. If have already seen an escape and the
533: * timer has expired, give up waiting and send the escape.
1.14 nicm 534: */
1.39 nicm 535: if ((tty->flags & TTY_ESCAPE) &&
1.44 nicm 536: evtimer_initialized(&tty->key_timer) &&
1.39 nicm 537: !evtimer_pending(&tty->key_timer, NULL)) {
1.14 nicm 538: evbuffer_drain(tty->event->input, 1);
539: key = '\033';
1.16 nicm 540: goto handle_key;
1.14 nicm 541: }
542:
1.16 nicm 543: /* Fall through to start the timer. */
544:
545: start_timer:
1.39 nicm 546: /* If already waiting for timer, do nothing. */
1.44 nicm 547: if (evtimer_initialized(&tty->key_timer) &&
548: evtimer_pending(&tty->key_timer, NULL))
1.39 nicm 549: return (0);
550:
1.14 nicm 551: /* Start the timer and wait for expiry or more data. */
1.28 nicm 552: delay = options_get_number(&global_options, "escape-time");
553: tv.tv_sec = delay / 1000;
554: tv.tv_usec = (delay % 1000) * 1000L;
1.27 nicm 555:
1.36 nicm 556: if (event_initialized(&tty->key_timer))
557: evtimer_del(&tty->key_timer);
1.14 nicm 558: evtimer_set(&tty->key_timer, tty_keys_callback, tty);
559: evtimer_add(&tty->key_timer, &tv);
1.27 nicm 560:
1.14 nicm 561: tty->flags |= TTY_ESCAPE;
562: return (0);
1.1 nicm 563:
1.16 nicm 564: found_key:
565: if (tk->next != NULL) {
566: /* Partial key. Start the timer if not already expired. */
567: if (!(tty->flags & TTY_ESCAPE))
568: goto start_timer;
569:
570: /* Otherwise, if no key, send the escape alone. */
571: if (tk->key == KEYC_NONE)
572: goto partial_key;
573:
574: /* Or fall through to send the partial key found. */
575: }
576: evbuffer_drain(tty->event->input, size + 1);
577:
578: goto handle_key;
579:
580: handle_key:
1.36 nicm 581: if (event_initialized(&tty->key_timer))
582: evtimer_del(&tty->key_timer);
1.16 nicm 583:
1.35 nicm 584: if (key != KEYC_NONE)
1.41 nicm 585: server_client_handle_key(tty->client, key);
1.16 nicm 586:
1.1 nicm 587: tty->flags &= ~TTY_ESCAPE;
1.14 nicm 588: return (1);
589: }
590:
1.16 nicm 591: /* Key timer callback. */
1.23 nicm 592: /* ARGSUSED */
1.14 nicm 593: void
594: tty_keys_callback(unused int fd, unused short events, void *data)
595: {
596: struct tty *tty = data;
597:
1.16 nicm 598: if (!(tty->flags & TTY_ESCAPE))
599: return;
600:
601: while (tty_keys_next(tty))
602: ;
1.1 nicm 603: }
604:
1.27 nicm 605: /*
1.22 nicm 606: * Handle mouse key input. Returns 0 for success, -1 for failure, 1 for partial
607: * (probably a mouse sequence but need more data).
608: */
1.1 nicm 609: int
1.40 nicm 610: tty_keys_mouse(struct tty *tty, const char *buf, size_t len, size_t *size)
1.1 nicm 611: {
1.41 nicm 612: struct mouse_event *m = &tty->mouse;
1.40 nicm 613: struct utf8_data utf8data;
1.45 nicm 614: u_int i, value, x, y, b;
1.33 nicm 615:
1.1 nicm 616: /*
1.33 nicm 617: * Standard mouse sequences are \033[M followed by three characters
618: * indicating buttons, X and Y, all based at 32 with 1,1 top-left.
619: *
620: * UTF-8 mouse sequences are similar but the three are expressed as
621: * UTF-8 characters.
1.1 nicm 622: */
623:
1.22 nicm 624: *size = 0;
1.45 nicm 625: x = y = b = 0;
1.22 nicm 626:
1.33 nicm 627: /* First three bytes are always \033[M. */
1.22 nicm 628: if (buf[0] != '\033')
629: return (-1);
630: if (len == 1)
631: return (1);
632: if (buf[1] != '[')
633: return (-1);
634: if (len == 2)
635: return (1);
636: if (buf[2] != 'M')
637: return (-1);
638: if (len == 3)
639: return (1);
640:
1.33 nicm 641: /* Read the three inputs. */
642: *size = 3;
643: for (i = 0; i < 3; i++) {
644: if (len < *size)
645: return (1);
646:
647: if (tty->mode & MODE_MOUSE_UTF8) {
648: if (utf8_open(&utf8data, buf[*size])) {
649: if (utf8data.size != 2)
650: return (-1);
651: (*size)++;
652: if (len < *size)
653: return (1);
654: utf8_append(&utf8data, buf[*size]);
655: value = utf8_combine(&utf8data);
656: } else
1.34 nicm 657: value = (unsigned char)buf[*size];
1.33 nicm 658: (*size)++;
659: } else {
1.34 nicm 660: value = (unsigned char)buf[*size];
1.33 nicm 661: (*size)++;
662: }
1.16 nicm 663:
1.33 nicm 664: if (i == 0)
1.45 nicm 665: b = value;
1.33 nicm 666: else if (i == 1)
1.45 nicm 667: x = value;
1.33 nicm 668: else
1.45 nicm 669: y = value;
1.33 nicm 670: }
671: log_debug("mouse input: %.*s", (int) *size, buf);
1.1 nicm 672:
1.33 nicm 673: /* Check and return the mouse input. */
1.45 nicm 674: if (b < 32 || x < 33 || y < 33)
1.22 nicm 675: return (-1);
1.45 nicm 676: b -= 32;
677: x -= 33;
678: y -= 33;
679: log_debug("mouse position: x=%u y=%u b=%u", x, y, b);
680:
681: /* Fill in mouse structure. */
682: if (~m->event & MOUSE_EVENT_WHEEL) {
683: m->lx = m->x;
684: m->ly = m->y;
685: }
686: m->xb = b;
687: if (b & 64) { /* wheel button */
688: b &= 3;
689: if (b == 0)
690: m->wheel = MOUSE_WHEEL_UP;
691: else if (b == 1)
692: m->wheel = MOUSE_WHEEL_DOWN;
693: m->event = MOUSE_EVENT_WHEEL;
694: } else if ((b & 3) == 3) {
695: if (~m->event & MOUSE_EVENT_DRAG && x == m->x && y == m->y) {
696: m->event = MOUSE_EVENT_CLICK;
697: } else
698: m->event = MOUSE_EVENT_DRAG;
699: m->event |= MOUSE_EVENT_UP;
700: } else {
701: if (b & 32) /* drag motion */
702: m->event = MOUSE_EVENT_DRAG;
703: else {
704: if (m->event & MOUSE_EVENT_UP && x == m->x && y == m->y)
705: m->clicks = (m->clicks + 1) % 3;
706: else
707: m->clicks = 0;
708: m->sx = x;
709: m->sy = y;
710: m->event = MOUSE_EVENT_DOWN;
711: }
712: m->button = (b & 3);
713: }
714: m->x = x;
715: m->y = y;
716:
1.35 nicm 717: return (0);
718: }
719:
720: /*
721: * Handle device attributes input. Returns 0 for success, -1 for failure, 1 for
722: * partial.
723: */
724: int
725: tty_keys_device(struct tty *tty, const char *buf, size_t len, size_t *size)
726: {
1.47 ! nicm 727: u_int i, class;
1.35 nicm 728: char tmp[64], *endptr;
729:
730: /*
1.38 nicm 731: * Primary device attributes are \033[?a;b and secondary are
1.46 nicm 732: * \033[>a;b;c.
1.35 nicm 733: */
734:
735: *size = 0;
736:
1.46 nicm 737: /* First three bytes are always \033[?. */
1.35 nicm 738: if (buf[0] != '\033')
739: return (-1);
740: if (len == 1)
741: return (1);
742: if (buf[1] != '[')
743: return (-1);
744: if (len == 2)
745: return (1);
1.38 nicm 746: if (buf[2] != '>' && buf[2] != '?')
1.35 nicm 747: return (-1);
748: if (len == 3)
749: return (1);
750:
751: /* Copy the rest up to a 'c'. */
752: for (i = 0; i < (sizeof tmp) - 1 && buf[3 + i] != 'c'; i++) {
753: if (3 + i == len)
754: return (1);
755: tmp[i] = buf[3 + i];
756: }
757: if (i == (sizeof tmp) - 1)
758: return (-1);
759: tmp[i] = '\0';
760: *size = 4 + i;
1.38 nicm 761:
1.46 nicm 762: /* Only primary is of interest. */
763: if (buf[2] != '?')
1.38 nicm 764: return (0);
1.35 nicm 765:
1.46 nicm 766: /* Convert service class. */
1.47 ! nicm 767: class = strtoul(tmp, &endptr, 10);
1.46 nicm 768: if (*endptr != ';')
1.47 ! nicm 769: class = 0;
1.46 nicm 770:
1.47 ! nicm 771: log_debug("received service class %u", class);
! 772: tty_set_class(tty, class);
1.35 nicm 773:
1.22 nicm 774: return (0);
1.1 nicm 775: }
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