Annotation of src/usr.bin/tmux/tty-keys.c, Revision 1.115
1.115 ! nicm 1: /* $OpenBSD: tty-keys.c,v 1.114 2019/05/09 14:09:32 nicm Exp $ */
1.1 nicm 2:
3: /*
1.84 nicm 4: * Copyright (c) 2007 Nicholas Marriott <nicholas.marriott@gmail.com>
1.1 nicm 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:
1.104 nicm 22: #include <netinet/in.h>
23:
1.35 nicm 24: #include <limits.h>
1.104 nicm 25: #include <resolv.h>
1.35 nicm 26: #include <stdlib.h>
1.1 nicm 27: #include <string.h>
1.3 nicm 28: #include <termios.h>
29: #include <unistd.h>
1.1 nicm 30:
31: #include "tmux.h"
32:
1.9 nicm 33: /*
1.50 nicm 34: * Handle keys input from the outside terminal. tty_default_*_keys[] are a base
35: * table of supported keys which are looked up in terminfo(5) and translated
36: * into a ternary tree.
1.9 nicm 37: */
38:
1.86 nicm 39: static void tty_keys_add1(struct tty_key **, const char *, key_code);
40: static void tty_keys_add(struct tty *, const char *, key_code);
41: static void tty_keys_free1(struct tty_key *);
42: static struct tty_key *tty_keys_find1(struct tty_key *, const char *, size_t,
1.76 nicm 43: size_t *);
1.86 nicm 44: static struct tty_key *tty_keys_find(struct tty *, const char *, size_t,
45: size_t *);
46: static int tty_keys_next1(struct tty *, const char *, size_t, key_code *,
1.87 nicm 47: size_t *, int);
1.86 nicm 48: static void tty_keys_callback(int, short, void *);
1.111 nicm 49: static int tty_keys_mouse(struct tty *, const char *, size_t, size_t *,
50: struct mouse_event *);
1.104 nicm 51: static int tty_keys_clipboard(struct tty *, const char *, size_t,
52: size_t *);
1.91 nicm 53: static int tty_keys_device_attributes(struct tty *, const char *, size_t,
54: size_t *);
1.1 nicm 55:
1.48 nicm 56: /* Default raw keys. */
57: struct tty_default_key_raw {
1.1 nicm 58: const char *string;
1.76 nicm 59: key_code key;
1.1 nicm 60: };
1.90 nicm 61: static const struct tty_default_key_raw tty_default_raw_keys[] = {
1.1 nicm 62: /*
1.8 nicm 63: * Numeric keypad. Just use the vt100 escape sequences here and always
64: * put the terminal into keypad_xmit mode. Translation of numbers
65: * mode/applications mode is done in input-keys.c.
1.1 nicm 66: */
1.48 nicm 67: { "\033Oo", KEYC_KP_SLASH },
68: { "\033Oj", KEYC_KP_STAR },
69: { "\033Om", KEYC_KP_MINUS },
70: { "\033Ow", KEYC_KP_SEVEN },
71: { "\033Ox", KEYC_KP_EIGHT },
72: { "\033Oy", KEYC_KP_NINE },
73: { "\033Ok", KEYC_KP_PLUS },
74: { "\033Ot", KEYC_KP_FOUR },
75: { "\033Ou", KEYC_KP_FIVE },
76: { "\033Ov", KEYC_KP_SIX },
77: { "\033Oq", KEYC_KP_ONE },
78: { "\033Or", KEYC_KP_TWO },
79: { "\033Os", KEYC_KP_THREE },
80: { "\033OM", KEYC_KP_ENTER },
81: { "\033Op", KEYC_KP_ZERO },
82: { "\033On", KEYC_KP_PERIOD },
1.10 nicm 83:
1.29 nicm 84: /* Arrow keys. */
1.48 nicm 85: { "\033OA", KEYC_UP },
86: { "\033OB", KEYC_DOWN },
87: { "\033OC", KEYC_RIGHT },
88: { "\033OD", KEYC_LEFT },
89:
90: { "\033[A", KEYC_UP },
91: { "\033[B", KEYC_DOWN },
92: { "\033[C", KEYC_RIGHT },
93: { "\033[D", KEYC_LEFT },
1.57 nicm 94:
95: /* Other (xterm) "cursor" keys. */
96: { "\033OH", KEYC_HOME },
97: { "\033OF", KEYC_END },
98:
99: { "\033[H", KEYC_HOME },
100: { "\033[F", KEYC_END },
1.21 nicm 101:
102: /* rxvt-style arrow + modifier keys. */
1.48 nicm 103: { "\033Oa", KEYC_UP|KEYC_CTRL },
104: { "\033Ob", KEYC_DOWN|KEYC_CTRL },
105: { "\033Oc", KEYC_RIGHT|KEYC_CTRL },
106: { "\033Od", KEYC_LEFT|KEYC_CTRL },
107:
108: { "\033[a", KEYC_UP|KEYC_SHIFT },
109: { "\033[b", KEYC_DOWN|KEYC_SHIFT },
110: { "\033[c", KEYC_RIGHT|KEYC_SHIFT },
111: { "\033[d", KEYC_LEFT|KEYC_SHIFT },
112:
113: /* rxvt-style function + modifier keys (C = ^, S = $, C-S = @). */
114: { "\033[11^", KEYC_F1|KEYC_CTRL },
115: { "\033[12^", KEYC_F2|KEYC_CTRL },
116: { "\033[13^", KEYC_F3|KEYC_CTRL },
117: { "\033[14^", KEYC_F4|KEYC_CTRL },
118: { "\033[15^", KEYC_F5|KEYC_CTRL },
119: { "\033[17^", KEYC_F6|KEYC_CTRL },
120: { "\033[18^", KEYC_F7|KEYC_CTRL },
121: { "\033[19^", KEYC_F8|KEYC_CTRL },
122: { "\033[20^", KEYC_F9|KEYC_CTRL },
123: { "\033[21^", KEYC_F10|KEYC_CTRL },
124: { "\033[23^", KEYC_F11|KEYC_CTRL },
125: { "\033[24^", KEYC_F12|KEYC_CTRL },
126: { "\033[2^", KEYC_IC|KEYC_CTRL },
127: { "\033[3^", KEYC_DC|KEYC_CTRL },
128: { "\033[7^", KEYC_HOME|KEYC_CTRL },
129: { "\033[8^", KEYC_END|KEYC_CTRL },
130: { "\033[6^", KEYC_NPAGE|KEYC_CTRL },
131: { "\033[5^", KEYC_PPAGE|KEYC_CTRL },
132:
133: { "\033[11$", KEYC_F1|KEYC_SHIFT },
134: { "\033[12$", KEYC_F2|KEYC_SHIFT },
135: { "\033[13$", KEYC_F3|KEYC_SHIFT },
136: { "\033[14$", KEYC_F4|KEYC_SHIFT },
137: { "\033[15$", KEYC_F5|KEYC_SHIFT },
138: { "\033[17$", KEYC_F6|KEYC_SHIFT },
139: { "\033[18$", KEYC_F7|KEYC_SHIFT },
140: { "\033[19$", KEYC_F8|KEYC_SHIFT },
141: { "\033[20$", KEYC_F9|KEYC_SHIFT },
142: { "\033[21$", KEYC_F10|KEYC_SHIFT },
143: { "\033[23$", KEYC_F11|KEYC_SHIFT },
144: { "\033[24$", KEYC_F12|KEYC_SHIFT },
145: { "\033[2$", KEYC_IC|KEYC_SHIFT },
146: { "\033[3$", KEYC_DC|KEYC_SHIFT },
147: { "\033[7$", KEYC_HOME|KEYC_SHIFT },
148: { "\033[8$", KEYC_END|KEYC_SHIFT },
149: { "\033[6$", KEYC_NPAGE|KEYC_SHIFT },
150: { "\033[5$", KEYC_PPAGE|KEYC_SHIFT },
151:
152: { "\033[11@", KEYC_F1|KEYC_CTRL|KEYC_SHIFT },
153: { "\033[12@", KEYC_F2|KEYC_CTRL|KEYC_SHIFT },
154: { "\033[13@", KEYC_F3|KEYC_CTRL|KEYC_SHIFT },
155: { "\033[14@", KEYC_F4|KEYC_CTRL|KEYC_SHIFT },
156: { "\033[15@", KEYC_F5|KEYC_CTRL|KEYC_SHIFT },
157: { "\033[17@", KEYC_F6|KEYC_CTRL|KEYC_SHIFT },
158: { "\033[18@", KEYC_F7|KEYC_CTRL|KEYC_SHIFT },
159: { "\033[19@", KEYC_F8|KEYC_CTRL|KEYC_SHIFT },
160: { "\033[20@", KEYC_F9|KEYC_CTRL|KEYC_SHIFT },
161: { "\033[21@", KEYC_F10|KEYC_CTRL|KEYC_SHIFT },
162: { "\033[23@", KEYC_F11|KEYC_CTRL|KEYC_SHIFT },
163: { "\033[24@", KEYC_F12|KEYC_CTRL|KEYC_SHIFT },
164: { "\033[2@", KEYC_IC|KEYC_CTRL|KEYC_SHIFT },
165: { "\033[3@", KEYC_DC|KEYC_CTRL|KEYC_SHIFT },
166: { "\033[7@", KEYC_HOME|KEYC_CTRL|KEYC_SHIFT },
167: { "\033[8@", KEYC_END|KEYC_CTRL|KEYC_SHIFT },
168: { "\033[6@", KEYC_NPAGE|KEYC_CTRL|KEYC_SHIFT },
169: { "\033[5@", KEYC_PPAGE|KEYC_CTRL|KEYC_SHIFT },
1.56 nicm 170:
171: /* Focus tracking. */
172: { "\033[I", KEYC_FOCUS_IN },
173: { "\033[O", KEYC_FOCUS_OUT },
1.98 nicm 174:
175: /* Paste keys. */
176: { "\033[200~", KEYC_PASTE_START },
177: { "\033[201~", KEYC_PASTE_END },
1.48 nicm 178: };
1.29 nicm 179:
1.103 nicm 180: /*
181: * Default terminfo(5) keys. Any keys that have builtin modifiers
182: * (that is, where the key itself contains the modifiers) has the
183: * KEYC_XTERM flag set so a leading escape is not treated as meta (and
184: * probably removed).
185: */
1.48 nicm 186: struct tty_default_key_code {
187: enum tty_code_code code;
1.76 nicm 188: key_code key;
1.48 nicm 189: };
1.90 nicm 190: static const struct tty_default_key_code tty_default_code_keys[] = {
1.29 nicm 191: /* Function keys. */
1.48 nicm 192: { TTYC_KF1, KEYC_F1 },
193: { TTYC_KF2, KEYC_F2 },
194: { TTYC_KF3, KEYC_F3 },
195: { TTYC_KF4, KEYC_F4 },
196: { TTYC_KF5, KEYC_F5 },
197: { TTYC_KF6, KEYC_F6 },
198: { TTYC_KF7, KEYC_F7 },
199: { TTYC_KF8, KEYC_F8 },
200: { TTYC_KF9, KEYC_F9 },
201: { TTYC_KF10, KEYC_F10 },
202: { TTYC_KF11, KEYC_F11 },
203: { TTYC_KF12, KEYC_F12 },
1.70 nicm 204:
1.103 nicm 205: { TTYC_KF13, KEYC_F1|KEYC_SHIFT|KEYC_XTERM },
206: { TTYC_KF14, KEYC_F2|KEYC_SHIFT|KEYC_XTERM },
207: { TTYC_KF15, KEYC_F3|KEYC_SHIFT|KEYC_XTERM },
208: { TTYC_KF16, KEYC_F4|KEYC_SHIFT|KEYC_XTERM },
209: { TTYC_KF17, KEYC_F5|KEYC_SHIFT|KEYC_XTERM },
210: { TTYC_KF18, KEYC_F6|KEYC_SHIFT|KEYC_XTERM },
211: { TTYC_KF19, KEYC_F7|KEYC_SHIFT|KEYC_XTERM },
212: { TTYC_KF20, KEYC_F8|KEYC_SHIFT|KEYC_XTERM },
213: { TTYC_KF21, KEYC_F9|KEYC_SHIFT|KEYC_XTERM },
214: { TTYC_KF22, KEYC_F10|KEYC_SHIFT|KEYC_XTERM },
215: { TTYC_KF23, KEYC_F11|KEYC_SHIFT|KEYC_XTERM },
216: { TTYC_KF24, KEYC_F12|KEYC_SHIFT|KEYC_XTERM },
217:
218: { TTYC_KF25, KEYC_F1|KEYC_CTRL|KEYC_XTERM },
219: { TTYC_KF26, KEYC_F2|KEYC_CTRL|KEYC_XTERM },
220: { TTYC_KF27, KEYC_F3|KEYC_CTRL|KEYC_XTERM },
221: { TTYC_KF28, KEYC_F4|KEYC_CTRL|KEYC_XTERM },
222: { TTYC_KF29, KEYC_F5|KEYC_CTRL|KEYC_XTERM },
223: { TTYC_KF30, KEYC_F6|KEYC_CTRL|KEYC_XTERM },
224: { TTYC_KF31, KEYC_F7|KEYC_CTRL|KEYC_XTERM },
225: { TTYC_KF32, KEYC_F8|KEYC_CTRL|KEYC_XTERM },
226: { TTYC_KF33, KEYC_F9|KEYC_CTRL|KEYC_XTERM },
227: { TTYC_KF34, KEYC_F10|KEYC_CTRL|KEYC_XTERM },
228: { TTYC_KF35, KEYC_F11|KEYC_CTRL|KEYC_XTERM },
229: { TTYC_KF36, KEYC_F12|KEYC_CTRL|KEYC_XTERM },
230:
231: { TTYC_KF37, KEYC_F1|KEYC_SHIFT|KEYC_CTRL|KEYC_XTERM },
232: { TTYC_KF38, KEYC_F2|KEYC_SHIFT|KEYC_CTRL|KEYC_XTERM },
233: { TTYC_KF39, KEYC_F3|KEYC_SHIFT|KEYC_CTRL|KEYC_XTERM },
234: { TTYC_KF40, KEYC_F4|KEYC_SHIFT|KEYC_CTRL|KEYC_XTERM },
235: { TTYC_KF41, KEYC_F5|KEYC_SHIFT|KEYC_CTRL|KEYC_XTERM },
236: { TTYC_KF42, KEYC_F6|KEYC_SHIFT|KEYC_CTRL|KEYC_XTERM },
237: { TTYC_KF43, KEYC_F7|KEYC_SHIFT|KEYC_CTRL|KEYC_XTERM },
238: { TTYC_KF44, KEYC_F8|KEYC_SHIFT|KEYC_CTRL|KEYC_XTERM },
239: { TTYC_KF45, KEYC_F9|KEYC_SHIFT|KEYC_CTRL|KEYC_XTERM },
240: { TTYC_KF46, KEYC_F10|KEYC_SHIFT|KEYC_CTRL|KEYC_XTERM },
241: { TTYC_KF47, KEYC_F11|KEYC_SHIFT|KEYC_CTRL|KEYC_XTERM },
242: { TTYC_KF48, KEYC_F12|KEYC_SHIFT|KEYC_CTRL|KEYC_XTERM },
243:
244: { TTYC_KF49, KEYC_F1|KEYC_ESCAPE|KEYC_XTERM },
245: { TTYC_KF50, KEYC_F2|KEYC_ESCAPE|KEYC_XTERM },
246: { TTYC_KF51, KEYC_F3|KEYC_ESCAPE|KEYC_XTERM },
247: { TTYC_KF52, KEYC_F4|KEYC_ESCAPE|KEYC_XTERM },
248: { TTYC_KF53, KEYC_F5|KEYC_ESCAPE|KEYC_XTERM },
249: { TTYC_KF54, KEYC_F6|KEYC_ESCAPE|KEYC_XTERM },
250: { TTYC_KF55, KEYC_F7|KEYC_ESCAPE|KEYC_XTERM },
251: { TTYC_KF56, KEYC_F8|KEYC_ESCAPE|KEYC_XTERM },
252: { TTYC_KF57, KEYC_F9|KEYC_ESCAPE|KEYC_XTERM },
253: { TTYC_KF58, KEYC_F10|KEYC_ESCAPE|KEYC_XTERM },
254: { TTYC_KF59, KEYC_F11|KEYC_ESCAPE|KEYC_XTERM },
255: { TTYC_KF60, KEYC_F12|KEYC_ESCAPE|KEYC_XTERM },
256:
257: { TTYC_KF61, KEYC_F1|KEYC_ESCAPE|KEYC_SHIFT|KEYC_XTERM },
258: { TTYC_KF62, KEYC_F2|KEYC_ESCAPE|KEYC_SHIFT|KEYC_XTERM },
259: { TTYC_KF63, KEYC_F3|KEYC_ESCAPE|KEYC_SHIFT|KEYC_XTERM },
1.70 nicm 260:
1.48 nicm 261: { TTYC_KICH1, KEYC_IC },
262: { TTYC_KDCH1, KEYC_DC },
263: { TTYC_KHOME, KEYC_HOME },
264: { TTYC_KEND, KEYC_END },
265: { TTYC_KNP, KEYC_NPAGE },
266: { TTYC_KPP, KEYC_PPAGE },
267: { TTYC_KCBT, KEYC_BTAB },
1.29 nicm 268:
269: /* Arrow keys from terminfo. */
1.48 nicm 270: { TTYC_KCUU1, KEYC_UP },
271: { TTYC_KCUD1, KEYC_DOWN },
272: { TTYC_KCUB1, KEYC_LEFT },
273: { TTYC_KCUF1, KEYC_RIGHT },
1.29 nicm 274:
1.103 nicm 275: /* Key and modifier capabilities. */
1.97 nicm 276: { TTYC_KDC2, KEYC_DC|KEYC_SHIFT|KEYC_XTERM },
277: { TTYC_KDC3, KEYC_DC|KEYC_ESCAPE|KEYC_XTERM },
278: { TTYC_KDC4, KEYC_DC|KEYC_SHIFT|KEYC_ESCAPE|KEYC_XTERM },
279: { TTYC_KDC5, KEYC_DC|KEYC_CTRL|KEYC_XTERM },
280: { TTYC_KDC6, KEYC_DC|KEYC_SHIFT|KEYC_CTRL|KEYC_XTERM },
281: { TTYC_KDC7, KEYC_DC|KEYC_ESCAPE|KEYC_CTRL|KEYC_XTERM },
1.102 nicm 282: { TTYC_KIND, KEYC_DOWN|KEYC_SHIFT|KEYC_XTERM },
1.97 nicm 283: { TTYC_KDN2, KEYC_DOWN|KEYC_SHIFT|KEYC_XTERM },
284: { TTYC_KDN3, KEYC_DOWN|KEYC_ESCAPE|KEYC_XTERM },
285: { TTYC_KDN4, KEYC_DOWN|KEYC_SHIFT|KEYC_ESCAPE|KEYC_XTERM },
286: { TTYC_KDN5, KEYC_DOWN|KEYC_CTRL|KEYC_XTERM },
287: { TTYC_KDN6, KEYC_DOWN|KEYC_SHIFT|KEYC_CTRL|KEYC_XTERM },
288: { TTYC_KDN7, KEYC_DOWN|KEYC_ESCAPE|KEYC_CTRL|KEYC_XTERM },
289: { TTYC_KEND2, KEYC_END|KEYC_SHIFT|KEYC_XTERM },
290: { TTYC_KEND3, KEYC_END|KEYC_ESCAPE|KEYC_XTERM },
291: { TTYC_KEND4, KEYC_END|KEYC_SHIFT|KEYC_ESCAPE|KEYC_XTERM },
292: { TTYC_KEND5, KEYC_END|KEYC_CTRL|KEYC_XTERM },
293: { TTYC_KEND6, KEYC_END|KEYC_SHIFT|KEYC_CTRL|KEYC_XTERM },
294: { TTYC_KEND7, KEYC_END|KEYC_ESCAPE|KEYC_CTRL|KEYC_XTERM },
295: { TTYC_KHOM2, KEYC_HOME|KEYC_SHIFT|KEYC_XTERM },
296: { TTYC_KHOM3, KEYC_HOME|KEYC_ESCAPE|KEYC_XTERM },
297: { TTYC_KHOM4, KEYC_HOME|KEYC_SHIFT|KEYC_ESCAPE|KEYC_XTERM },
298: { TTYC_KHOM5, KEYC_HOME|KEYC_CTRL|KEYC_XTERM },
299: { TTYC_KHOM6, KEYC_HOME|KEYC_SHIFT|KEYC_CTRL|KEYC_XTERM },
300: { TTYC_KHOM7, KEYC_HOME|KEYC_ESCAPE|KEYC_CTRL|KEYC_XTERM },
301: { TTYC_KIC2, KEYC_IC|KEYC_SHIFT|KEYC_XTERM },
302: { TTYC_KIC3, KEYC_IC|KEYC_ESCAPE|KEYC_XTERM },
303: { TTYC_KIC4, KEYC_IC|KEYC_SHIFT|KEYC_ESCAPE|KEYC_XTERM },
304: { TTYC_KIC5, KEYC_IC|KEYC_CTRL|KEYC_XTERM },
305: { TTYC_KIC6, KEYC_IC|KEYC_SHIFT|KEYC_CTRL|KEYC_XTERM },
306: { TTYC_KIC7, KEYC_IC|KEYC_ESCAPE|KEYC_CTRL|KEYC_XTERM },
307: { TTYC_KLFT2, KEYC_LEFT|KEYC_SHIFT|KEYC_XTERM },
308: { TTYC_KLFT3, KEYC_LEFT|KEYC_ESCAPE|KEYC_XTERM },
309: { TTYC_KLFT4, KEYC_LEFT|KEYC_SHIFT|KEYC_ESCAPE|KEYC_XTERM },
310: { TTYC_KLFT5, KEYC_LEFT|KEYC_CTRL|KEYC_XTERM },
311: { TTYC_KLFT6, KEYC_LEFT|KEYC_SHIFT|KEYC_CTRL|KEYC_XTERM },
312: { TTYC_KLFT7, KEYC_LEFT|KEYC_ESCAPE|KEYC_CTRL|KEYC_XTERM },
313: { TTYC_KNXT2, KEYC_NPAGE|KEYC_SHIFT|KEYC_XTERM },
314: { TTYC_KNXT3, KEYC_NPAGE|KEYC_ESCAPE|KEYC_XTERM },
315: { TTYC_KNXT4, KEYC_NPAGE|KEYC_SHIFT|KEYC_ESCAPE|KEYC_XTERM },
316: { TTYC_KNXT5, KEYC_NPAGE|KEYC_CTRL|KEYC_XTERM },
317: { TTYC_KNXT6, KEYC_NPAGE|KEYC_SHIFT|KEYC_CTRL|KEYC_XTERM },
318: { TTYC_KNXT7, KEYC_NPAGE|KEYC_ESCAPE|KEYC_CTRL|KEYC_XTERM },
319: { TTYC_KPRV2, KEYC_PPAGE|KEYC_SHIFT|KEYC_XTERM },
320: { TTYC_KPRV3, KEYC_PPAGE|KEYC_ESCAPE|KEYC_XTERM },
321: { TTYC_KPRV4, KEYC_PPAGE|KEYC_SHIFT|KEYC_ESCAPE|KEYC_XTERM },
322: { TTYC_KPRV5, KEYC_PPAGE|KEYC_CTRL|KEYC_XTERM },
323: { TTYC_KPRV6, KEYC_PPAGE|KEYC_SHIFT|KEYC_CTRL|KEYC_XTERM },
324: { TTYC_KPRV7, KEYC_PPAGE|KEYC_ESCAPE|KEYC_CTRL|KEYC_XTERM },
325: { TTYC_KRIT2, KEYC_RIGHT|KEYC_SHIFT|KEYC_XTERM },
326: { TTYC_KRIT3, KEYC_RIGHT|KEYC_ESCAPE|KEYC_XTERM },
327: { TTYC_KRIT4, KEYC_RIGHT|KEYC_SHIFT|KEYC_ESCAPE|KEYC_XTERM },
328: { TTYC_KRIT5, KEYC_RIGHT|KEYC_CTRL|KEYC_XTERM },
329: { TTYC_KRIT6, KEYC_RIGHT|KEYC_SHIFT|KEYC_CTRL|KEYC_XTERM },
330: { TTYC_KRIT7, KEYC_RIGHT|KEYC_ESCAPE|KEYC_CTRL|KEYC_XTERM },
1.100 nicm 331: { TTYC_KRI, KEYC_UP|KEYC_SHIFT|KEYC_XTERM },
1.97 nicm 332: { TTYC_KUP2, KEYC_UP|KEYC_SHIFT|KEYC_XTERM },
333: { TTYC_KUP3, KEYC_UP|KEYC_ESCAPE|KEYC_XTERM },
334: { TTYC_KUP4, KEYC_UP|KEYC_SHIFT|KEYC_ESCAPE|KEYC_XTERM },
335: { TTYC_KUP5, KEYC_UP|KEYC_CTRL|KEYC_XTERM },
336: { TTYC_KUP6, KEYC_UP|KEYC_SHIFT|KEYC_CTRL|KEYC_XTERM },
337: { TTYC_KUP7, KEYC_UP|KEYC_ESCAPE|KEYC_CTRL|KEYC_XTERM },
1.1 nicm 338: };
339:
1.48 nicm 340: /* Add key to tree. */
1.86 nicm 341: static void
1.76 nicm 342: tty_keys_add(struct tty *tty, const char *s, key_code key)
1.16 nicm 343: {
1.29 nicm 344: struct tty_key *tk;
345: size_t size;
346: const char *keystr;
1.1 nicm 347:
1.29 nicm 348: keystr = key_string_lookup_key(key);
349: if ((tk = tty_keys_find(tty, s, strlen(s), &size)) == NULL) {
1.76 nicm 350: log_debug("new key %s: 0x%llx (%s)", s, key, keystr);
1.16 nicm 351: tty_keys_add1(&tty->key_tree, s, key);
1.29 nicm 352: } else {
1.76 nicm 353: log_debug("replacing key %s: 0x%llx (%s)", s, key, keystr);
1.29 nicm 354: tk->key = key;
1.16 nicm 355: }
1.1 nicm 356: }
357:
1.16 nicm 358: /* Add next node to the tree. */
1.86 nicm 359: static void
1.76 nicm 360: tty_keys_add1(struct tty_key **tkp, const char *s, key_code key)
1.1 nicm 361: {
1.16 nicm 362: struct tty_key *tk;
1.1 nicm 363:
1.16 nicm 364: /* Allocate a tree entry if there isn't one already. */
365: tk = *tkp;
366: if (tk == NULL) {
367: tk = *tkp = xcalloc(1, sizeof *tk);
368: tk->ch = *s;
1.83 nicm 369: tk->key = KEYC_UNKNOWN;
1.16 nicm 370: }
371:
372: /* Find the next entry. */
373: if (*s == tk->ch) {
374: /* Move forward in string. */
375: s++;
376:
377: /* If this is the end of the string, no more is necessary. */
378: if (*s == '\0') {
379: tk->key = key;
380: return;
381: }
382:
383: /* Use the child tree for the next character. */
384: tkp = &tk->next;
1.27 nicm 385: } else {
1.16 nicm 386: if (*s < tk->ch)
387: tkp = &tk->left;
388: else if (*s > tk->ch)
389: tkp = &tk->right;
390: }
391:
392: /* And recurse to add it. */
393: tty_keys_add1(tkp, s, key);
1.1 nicm 394: }
395:
1.16 nicm 396: /* Initialise a key tree from the table. */
1.1 nicm 397: void
1.48 nicm 398: tty_keys_build(struct tty *tty)
1.1 nicm 399: {
1.48 nicm 400: const struct tty_default_key_raw *tdkr;
401: const struct tty_default_key_code *tdkc;
1.107 nicm 402: u_int i;
1.109 nicm 403: const char *s;
1.99 nicm 404: struct options_entry *o;
1.107 nicm 405: struct options_array_item *a;
1.109 nicm 406: union options_value *ov;
1.1 nicm 407:
1.48 nicm 408: if (tty->key_tree != NULL)
1.71 nicm 409: tty_keys_free(tty);
1.16 nicm 410: tty->key_tree = NULL;
1.1 nicm 411:
1.48 nicm 412: for (i = 0; i < nitems(tty_default_raw_keys); i++) {
413: tdkr = &tty_default_raw_keys[i];
414:
415: s = tdkr->string;
1.51 nicm 416: if (*s != '\0')
417: tty_keys_add(tty, s, tdkr->key);
1.48 nicm 418: }
419: for (i = 0; i < nitems(tty_default_code_keys); i++) {
420: tdkc = &tty_default_code_keys[i];
421:
422: s = tty_term_string(tty->term, tdkc->code);
1.51 nicm 423: if (*s != '\0')
424: tty_keys_add(tty, s, tdkc->key);
1.1 nicm 425:
1.99 nicm 426: }
427:
428: o = options_get(global_options, "user-keys");
1.107 nicm 429: if (o != NULL) {
430: a = options_array_first(o);
431: while (a != NULL) {
1.112 nicm 432: i = options_array_item_index(a);
1.109 nicm 433: ov = options_array_item_value(a);
1.110 nicm 434: tty_keys_add(tty, ov->string, KEYC_USER + i);
1.107 nicm 435: a = options_array_next(a);
1.99 nicm 436: }
1.1 nicm 437: }
438: }
439:
1.16 nicm 440: /* Free the entire key tree. */
1.1 nicm 441: void
442: tty_keys_free(struct tty *tty)
443: {
1.16 nicm 444: tty_keys_free1(tty->key_tree);
445: }
1.1 nicm 446:
1.16 nicm 447: /* Free a single key. */
1.86 nicm 448: static void
1.16 nicm 449: tty_keys_free1(struct tty_key *tk)
450: {
451: if (tk->next != NULL)
452: tty_keys_free1(tk->next);
453: if (tk->left != NULL)
454: tty_keys_free1(tk->left);
455: if (tk->right != NULL)
456: tty_keys_free1(tk->right);
1.42 nicm 457: free(tk);
1.1 nicm 458: }
459:
1.16 nicm 460: /* Lookup a key in the tree. */
1.86 nicm 461: static struct tty_key *
1.16 nicm 462: tty_keys_find(struct tty *tty, const char *buf, size_t len, size_t *size)
1.1 nicm 463: {
1.16 nicm 464: *size = 0;
465: return (tty_keys_find1(tty->key_tree, buf, len, size));
466: }
1.1 nicm 467:
1.16 nicm 468: /* Find the next node. */
1.86 nicm 469: static struct tty_key *
1.16 nicm 470: tty_keys_find1(struct tty_key *tk, const char *buf, size_t len, size_t *size)
471: {
1.106 nicm 472: /* If no data, no match. */
473: if (len == 0)
474: return (NULL);
475:
1.16 nicm 476: /* If the node is NULL, this is the end of the tree. No match. */
477: if (tk == NULL)
1.1 nicm 478: return (NULL);
479:
1.16 nicm 480: /* Pick the next in the sequence. */
481: if (tk->ch == *buf) {
482: /* Move forward in the string. */
483: buf++; len--;
484: (*size)++;
1.1 nicm 485:
1.16 nicm 486: /* At the end of the string, return the current node. */
1.83 nicm 487: if (len == 0 || (tk->next == NULL && tk->key != KEYC_UNKNOWN))
1.16 nicm 488: return (tk);
1.1 nicm 489:
1.16 nicm 490: /* Move into the next tree for the following character. */
491: tk = tk->next;
492: } else {
493: if (*buf < tk->ch)
494: tk = tk->left;
495: else if (*buf > tk->ch)
496: tk = tk->right;
1.1 nicm 497: }
498:
1.16 nicm 499: /* Move to the next in the tree. */
500: return (tty_keys_find1(tk, buf, len, size));
1.1 nicm 501: }
502:
1.86 nicm 503: /* Look up part of the next key. */
504: static int
505: tty_keys_next1(struct tty *tty, const char *buf, size_t len, key_code *key,
1.87 nicm 506: size_t *size, int expired)
1.86 nicm 507: {
1.94 nicm 508: struct client *c = tty->client;
1.86 nicm 509: struct tty_key *tk, *tk1;
510: struct utf8_data ud;
511: enum utf8_state more;
512: u_int i;
513: wchar_t wc;
1.97 nicm 514: int n;
1.86 nicm 515:
1.94 nicm 516: log_debug("%s: next key is %zu (%.*s) (expired=%d)", c->name, len,
517: (int)len, buf, expired);
1.86 nicm 518:
519: /* Is this a known key? */
520: tk = tty_keys_find(tty, buf, len, size);
1.87 nicm 521: if (tk != NULL && tk->key != KEYC_UNKNOWN) {
1.86 nicm 522: tk1 = tk;
523: do
1.94 nicm 524: log_debug("%s: keys in list: %#llx", c->name, tk1->key);
1.86 nicm 525: while ((tk1 = tk1->next) != NULL);
1.87 nicm 526: if (tk->next != NULL && !expired)
527: return (1);
1.86 nicm 528: *key = tk->key;
1.87 nicm 529: return (0);
1.86 nicm 530: }
531:
1.97 nicm 532: /* Is this an an xterm(1) key? */
533: n = xterm_keys_find(buf, len, size, key);
534: if (n == 0)
535: return (0);
536: if (n == 1 && !expired)
537: return (1);
538:
1.86 nicm 539: /* Is this valid UTF-8? */
540: more = utf8_open(&ud, (u_char)*buf);
541: if (more == UTF8_MORE) {
542: *size = ud.size;
1.87 nicm 543: if (len < ud.size) {
544: if (!expired)
545: return (1);
546: return (-1);
547: }
1.86 nicm 548: for (i = 1; i < ud.size; i++)
549: more = utf8_append(&ud, (u_char)buf[i]);
550: if (more != UTF8_DONE)
1.87 nicm 551: return (-1);
1.86 nicm 552:
553: if (utf8_combine(&ud, &wc) != UTF8_DONE)
1.87 nicm 554: return (-1);
1.86 nicm 555: *key = wc;
556:
1.94 nicm 557: log_debug("%s: UTF-8 key %.*s %#llx", c->name, (int)ud.size,
558: buf, *key);
1.86 nicm 559: return (0);
560: }
561:
562: return (-1);
563: }
564:
1.111 nicm 565: /* Process at least one key in the buffer. Return 0 if no keys present. */
566: int
1.14 nicm 567: tty_keys_next(struct tty *tty)
1.1 nicm 568: {
1.111 nicm 569: struct client *c = tty->client;
570: struct timeval tv;
571: const char *buf;
572: size_t len, size;
573: cc_t bspace;
574: int delay, expired = 0, n;
575: key_code key;
576: struct mouse_event m = { 0 };
577: struct key_event *event;
578:
579: gettimeofday(&tv, NULL);
1.1 nicm 580:
1.51 nicm 581: /* Get key buffer. */
1.93 nicm 582: buf = EVBUFFER_DATA(tty->in);
583: len = EVBUFFER_LENGTH(tty->in);
1.1 nicm 584: if (len == 0)
1.14 nicm 585: return (0);
1.94 nicm 586: log_debug("%s: keys are %zu (%.*s)", c->name, len, (int)len, buf);
1.1 nicm 587:
1.104 nicm 588: /* Is this a clipboard response? */
589: switch (tty_keys_clipboard(tty, buf, len, &size)) {
590: case 0: /* yes */
591: key = KEYC_UNKNOWN;
592: goto complete_key;
593: case -1: /* no, or not valid */
594: break;
595: case 1: /* partial */
596: goto partial_key;
597: }
598:
1.91 nicm 599: /* Is this a device attributes response? */
600: switch (tty_keys_device_attributes(tty, buf, len, &size)) {
601: case 0: /* yes */
602: key = KEYC_UNKNOWN;
603: goto complete_key;
604: case -1: /* no, or not valid */
605: break;
606: case 1: /* partial */
607: goto partial_key;
608: }
609:
1.26 nicm 610: /* Is this a mouse key press? */
1.111 nicm 611: switch (tty_keys_mouse(tty, buf, len, &size, &m)) {
1.22 nicm 612: case 0: /* yes */
613: key = KEYC_MOUSE;
1.51 nicm 614: goto complete_key;
1.22 nicm 615: case -1: /* no, or not valid */
1.24 nicm 616: break;
1.67 nicm 617: case -2: /* yes, but we don't care. */
1.73 nicm 618: key = KEYC_MOUSE;
1.67 nicm 619: goto discard_key;
1.22 nicm 620: case 1: /* partial */
621: goto partial_key;
1.11 nicm 622: }
623:
1.86 nicm 624: first_key:
1.101 nicm 625: /* Try to lookup complete key. */
626: n = tty_keys_next1(tty, buf, len, &key, &size, expired);
627: if (n == 0) /* found */
628: goto complete_key;
629: if (n == 1)
630: goto partial_key;
631:
632: /*
633: * If not a complete key, look for key with an escape prefix (meta
634: * modifier).
635: */
1.105 nicm 636: if (*buf == '\033' && len > 1) {
1.87 nicm 637: /* Look for a key without the escape. */
638: n = tty_keys_next1(tty, buf + 1, len - 1, &key, &size, expired);
639: if (n == 0) { /* found */
1.97 nicm 640: if (key & KEYC_XTERM) {
641: /*
642: * We want the escape key as well as the xterm
643: * key, because the xterm sequence implicitly
644: * includes the escape (so if we see
645: * \033\033[1;3D we know it is an Escape
646: * followed by M-Left, not just M-Left).
647: */
648: key = '\033';
649: size = 1;
650: goto complete_key;
651: }
1.87 nicm 652: key |= KEYC_ESCAPE;
653: size++;
654: goto complete_key;
655: }
656: if (n == 1) /* partial */
1.62 nicm 657: goto partial_key;
1.89 nicm 658: }
1.1 nicm 659:
1.89 nicm 660: /*
661: * At this point, we know the key is not partial (with or without
662: * escape). So pass it through even if the timer has not expired.
663: */
664: if (*buf == '\033' && len >= 2) {
665: key = (u_char)buf[1] | KEYC_ESCAPE;
666: size = 2;
667: } else {
668: key = (u_char)buf[0];
669: size = 1;
1.76 nicm 670: }
1.51 nicm 671: goto complete_key;
672:
673: partial_key:
1.94 nicm 674: log_debug("%s: partial key %.*s", c->name, (int)len, buf);
1.14 nicm 675:
1.51 nicm 676: /* If timer is going, check for expiration. */
677: if (tty->flags & TTY_TIMER) {
678: if (evtimer_initialized(&tty->key_timer) &&
1.59 nicm 679: !evtimer_pending(&tty->key_timer, NULL)) {
680: expired = 1;
1.51 nicm 681: goto first_key;
1.59 nicm 682: }
1.39 nicm 683: return (0);
1.51 nicm 684: }
1.39 nicm 685:
1.51 nicm 686: /* Get the time period. */
1.75 nicm 687: delay = options_get_number(global_options, "escape-time");
1.28 nicm 688: tv.tv_sec = delay / 1000;
689: tv.tv_usec = (delay % 1000) * 1000L;
1.27 nicm 690:
1.51 nicm 691: /* Start the timer. */
1.36 nicm 692: if (event_initialized(&tty->key_timer))
693: evtimer_del(&tty->key_timer);
1.14 nicm 694: evtimer_set(&tty->key_timer, tty_keys_callback, tty);
695: evtimer_add(&tty->key_timer, &tv);
1.27 nicm 696:
1.51 nicm 697: tty->flags |= TTY_TIMER;
1.14 nicm 698: return (0);
1.1 nicm 699:
1.51 nicm 700: complete_key:
1.94 nicm 701: log_debug("%s: complete key %.*s %#llx", c->name, (int)size, buf, key);
1.88 nicm 702:
703: /*
704: * Check for backspace key using termios VERASE - the terminfo
705: * kbs entry is extremely unreliable, so cannot be safely
706: * used. termios should have a better idea.
707: */
708: bspace = tty->tio.c_cc[VERASE];
709: if (bspace != _POSIX_VDISABLE && (key & KEYC_MASK_KEY) == bspace)
710: key = (key & KEYC_MASK_MOD) | KEYC_BSPACE;
1.16 nicm 711:
1.51 nicm 712: /* Remove data from buffer. */
1.93 nicm 713: evbuffer_drain(tty->in, size);
1.16 nicm 714:
1.51 nicm 715: /* Remove key timer. */
1.36 nicm 716: if (event_initialized(&tty->key_timer))
717: evtimer_del(&tty->key_timer);
1.51 nicm 718: tty->flags &= ~TTY_TIMER;
1.56 nicm 719:
720: /* Check for focus events. */
721: if (key == KEYC_FOCUS_OUT) {
722: tty->client->flags &= ~CLIENT_FOCUSED;
723: return (1);
724: } else if (key == KEYC_FOCUS_IN) {
725: tty->client->flags |= CLIENT_FOCUSED;
726: return (1);
727: }
1.16 nicm 728:
1.51 nicm 729: /* Fire the key. */
1.111 nicm 730: if (key != KEYC_UNKNOWN) {
731: event = xmalloc(sizeof *event);
732: event->key = key;
733: memcpy(&event->m, &m, sizeof event->m);
1.113 nicm 734: if (!server_client_handle_key(c, event))
735: free(event);
1.111 nicm 736: }
1.16 nicm 737:
1.14 nicm 738: return (1);
1.67 nicm 739:
740: discard_key:
1.94 nicm 741: log_debug("%s: discard key %.*s %#llx", c->name, (int)size, buf, key);
1.67 nicm 742:
743: /* Remove data from buffer. */
1.93 nicm 744: evbuffer_drain(tty->in, size);
1.67 nicm 745:
746: return (1);
1.14 nicm 747: }
748:
1.16 nicm 749: /* Key timer callback. */
1.86 nicm 750: static void
1.81 nicm 751: tty_keys_callback(__unused int fd, __unused short events, void *data)
1.14 nicm 752: {
753: struct tty *tty = data;
754:
1.51 nicm 755: if (tty->flags & TTY_TIMER) {
756: while (tty_keys_next(tty))
757: ;
758: }
1.1 nicm 759: }
760:
1.27 nicm 761: /*
1.22 nicm 762: * Handle mouse key input. Returns 0 for success, -1 for failure, 1 for partial
763: * (probably a mouse sequence but need more data).
764: */
1.86 nicm 765: static int
1.111 nicm 766: tty_keys_mouse(struct tty *tty, const char *buf, size_t len, size_t *size,
767: struct mouse_event *m)
1.1 nicm 768: {
1.111 nicm 769: struct client *c = tty->client;
770: u_int i, x, y, b, sgr_b;
771: u_char sgr_type, ch;
1.33 nicm 772:
1.1 nicm 773: /*
1.33 nicm 774: * Standard mouse sequences are \033[M followed by three characters
1.55 nicm 775: * indicating button, X and Y, all based at 32 with 1,1 top-left.
1.33 nicm 776: *
777: * UTF-8 mouse sequences are similar but the three are expressed as
778: * UTF-8 characters.
1.55 nicm 779: *
780: * SGR extended mouse sequences are \033[< followed by three numbers in
781: * decimal and separated by semicolons indicating button, X and Y. A
782: * trailing 'M' is click or scroll and trailing 'm' release. All are
783: * based at 0 with 1,1 top-left.
1.1 nicm 784: */
785:
1.22 nicm 786: *size = 0;
1.72 nicm 787: x = y = b = sgr_b = 0;
788: sgr_type = ' ';
1.22 nicm 789:
1.55 nicm 790: /* First two bytes are always \033[. */
1.22 nicm 791: if (buf[0] != '\033')
792: return (-1);
793: if (len == 1)
794: return (1);
795: if (buf[1] != '[')
796: return (-1);
797: if (len == 2)
798: return (1);
799:
1.55 nicm 800: /*
1.82 nicm 801: * Third byte is M in old standard (and UTF-8 extension which we do not
802: * support), < in SGR extension.
1.55 nicm 803: */
804: if (buf[2] == 'M') {
805: /* Read the three inputs. */
806: *size = 3;
807: for (i = 0; i < 3; i++) {
808: if (len <= *size)
809: return (1);
1.94 nicm 810: ch = (u_char)buf[(*size)++];
1.55 nicm 811: if (i == 0)
1.94 nicm 812: b = ch;
1.55 nicm 813: else if (i == 1)
1.94 nicm 814: x = ch;
1.55 nicm 815: else
1.94 nicm 816: y = ch;
1.33 nicm 817: }
1.94 nicm 818: log_debug("%s: mouse input: %.*s", c->name, (int)*size, buf);
1.16 nicm 819:
1.55 nicm 820: /* Check and return the mouse input. */
1.60 nicm 821: if (b < 32)
1.55 nicm 822: return (-1);
823: b -= 32;
1.60 nicm 824: if (x >= 33)
825: x -= 33;
826: else
827: x = 256 - x;
828: if (y >= 33)
829: y -= 33;
830: else
831: y = 256 - y;
1.55 nicm 832: } else if (buf[2] == '<') {
833: /* Read the three inputs. */
834: *size = 3;
835: while (1) {
836: if (len <= *size)
837: return (1);
1.94 nicm 838: ch = (u_char)buf[(*size)++];
839: if (ch == ';')
1.55 nicm 840: break;
1.94 nicm 841: if (ch < '0' || ch > '9')
1.55 nicm 842: return (-1);
1.94 nicm 843: sgr_b = 10 * sgr_b + (ch - '0');
1.55 nicm 844: }
845: while (1) {
846: if (len <= *size)
847: return (1);
1.94 nicm 848: ch = (u_char)buf[(*size)++];
849: if (ch == ';')
1.55 nicm 850: break;
1.94 nicm 851: if (ch < '0' || ch > '9')
1.55 nicm 852: return (-1);
1.94 nicm 853: x = 10 * x + (ch - '0');
1.55 nicm 854: }
855: while (1) {
856: if (len <= *size)
857: return (1);
1.94 nicm 858: ch = (u_char)buf[(*size)++];
859: if (ch == 'M' || ch == 'm')
1.55 nicm 860: break;
1.94 nicm 861: if (ch < '0' || ch > '9')
1.55 nicm 862: return (-1);
1.94 nicm 863: y = 10 * y + (ch - '0');
1.55 nicm 864: }
1.94 nicm 865: log_debug("%s: mouse input (SGR): %.*s", c->name, (int)*size,
866: buf);
1.1 nicm 867:
1.55 nicm 868: /* Check and return the mouse input. */
869: if (x < 1 || y < 1)
870: return (-1);
871: x--;
872: y--;
1.72 nicm 873: b = sgr_b;
874:
875: /* Type is M for press, m for release. */
1.94 nicm 876: sgr_type = ch;
1.72 nicm 877: if (sgr_type == 'm')
878: b |= 3;
1.67 nicm 879:
880: /*
881: * Some terminals (like PuTTY 0.63) mistakenly send
882: * button-release events for scroll-wheel button-press event.
883: * Discard it before it reaches any program running inside
884: * tmux.
885: */
1.72 nicm 886: if (sgr_type == 'm' && (sgr_b & 64))
1.67 nicm 887: return (-2);
1.55 nicm 888: } else
1.22 nicm 889: return (-1);
1.45 nicm 890:
1.72 nicm 891: /* Fill mouse event. */
1.111 nicm 892: m->lx = tty->mouse_last_x;
1.61 nicm 893: m->x = x;
1.111 nicm 894: m->ly = tty->mouse_last_y;
1.61 nicm 895: m->y = y;
1.114 nicm 896: m->lb = tty->mouse_last_b;
1.72 nicm 897: m->b = b;
898: m->sgr_type = sgr_type;
899: m->sgr_b = sgr_b;
1.111 nicm 900:
901: /* Update last mouse state. */
902: tty->mouse_last_x = x;
903: tty->mouse_last_y = y;
1.114 nicm 904: tty->mouse_last_b = b;
1.104 nicm 905:
906: return (0);
907: }
908:
909: /*
910: * Handle OSC 52 clipboard input. Returns 0 for success, -1 for failure, 1 for
911: * partial.
912: */
913: static int
914: tty_keys_clipboard(__unused struct tty *tty, const char *buf, size_t len,
915: size_t *size)
916: {
917: size_t end, terminator, needed;
918: char *copy, *out;
919: int outlen;
920:
921: *size = 0;
922:
923: /* First three bytes are always \033]52;. */
924: if (buf[0] != '\033')
925: return (-1);
926: if (len == 1)
927: return (1);
928: if (buf[1] != ']')
929: return (-1);
930: if (len == 2)
931: return (1);
932: if (buf[2] != '5')
933: return (-1);
934: if (len == 3)
935: return (1);
936: if (buf[3] != '2')
937: return (-1);
938: if (len == 4)
939: return (1);
940: if (buf[4] != ';')
941: return (-1);
942: if (len == 5)
943: return (1);
944:
945: /* Find the terminator if any. */
946: for (end = 5; end < len; end++) {
947: if (buf[end] == '\007') {
948: terminator = 1;
949: break;
950: }
951: if (end > 5 && buf[end - 1] == '\033' && buf[end] == '\\') {
952: terminator = 2;
953: break;
954: }
955: }
956: if (end == len)
957: return (1);
958: *size = end + terminator;
959:
960: /* Skip the initial part. */
961: buf += 5;
962: end -= 5;
963:
964: /* Get the second argument. */
965: while (end != 0 && *buf != ';') {
966: buf++;
967: end--;
968: }
969: if (end == 0 || end == 1)
970: return (0);
971: buf++;
972: end--;
973:
974: /* It has to be a string so copy it. */
975: copy = xmalloc(end + 1);
976: memcpy(copy, buf, end);
977: copy[end] = '\0';
978:
979: /* Convert from base64. */
980: needed = (end / 4) * 3;
981: out = xmalloc(needed);
982: if ((outlen = b64_pton(copy, out, len)) == -1) {
983: free(out);
984: free(copy);
985: return (0);
986: }
987: free(copy);
988:
989: /* Create a new paste buffer. */
990: log_debug("%s: %.*s", __func__, outlen, out);
1.108 nicm 991: paste_add(NULL, out, outlen);
1.91 nicm 992:
993: return (0);
994: }
995:
996: /*
997: * Handle device attributes input. Returns 0 for success, -1 for failure, 1 for
998: * partial.
999: */
1000: static int
1001: tty_keys_device_attributes(struct tty *tty, const char *buf, size_t len,
1002: size_t *size)
1003: {
1.94 nicm 1004: struct client *c = tty->client;
1.92 nicm 1005: u_int i, a, b;
1006: char tmp[64], *endptr;
1007: static const char *types[] = TTY_TYPES;
1008: int type;
1.91 nicm 1009:
1010: *size = 0;
1011:
1012: /* First three bytes are always \033[?. */
1013: if (buf[0] != '\033')
1014: return (-1);
1015: if (len == 1)
1016: return (1);
1017: if (buf[1] != '[')
1018: return (-1);
1019: if (len == 2)
1020: return (1);
1021: if (buf[2] != '?')
1022: return (-1);
1023: if (len == 3)
1024: return (1);
1025:
1026: /* Copy the rest up to a 'c'. */
1027: for (i = 0; i < (sizeof tmp) - 1 && buf[3 + i] != 'c'; i++) {
1028: if (3 + i == len)
1029: return (1);
1030: tmp[i] = buf[3 + i];
1031: }
1032: if (i == (sizeof tmp) - 1)
1033: return (-1);
1034: tmp[i] = '\0';
1035: *size = 4 + i;
1036:
1037: /* Convert version numbers. */
1038: a = strtoul(tmp, &endptr, 10);
1039: if (*endptr == ';') {
1040: b = strtoul(endptr + 1, &endptr, 10);
1041: if (*endptr != '\0' && *endptr != ';')
1042: b = 0;
1.115 ! nicm 1043: } else if (*endptr == '\0')
! 1044: b = 0;
! 1045: else
1.91 nicm 1046: a = b = 0;
1047:
1.94 nicm 1048: /* Store terminal type. */
1.92 nicm 1049: type = TTY_UNKNOWN;
1.91 nicm 1050: switch (a) {
1051: case 1:
1.92 nicm 1052: if (b == 2)
1053: type = TTY_VT100;
1054: else if (b == 0)
1055: type = TTY_VT101;
1.91 nicm 1056: break;
1057: case 6:
1.92 nicm 1058: type = TTY_VT102;
1.91 nicm 1059: break;
1060: case 62:
1.92 nicm 1061: type = TTY_VT220;
1.91 nicm 1062: break;
1063: case 63:
1.92 nicm 1064: type = TTY_VT320;
1.91 nicm 1065: break;
1066: case 64:
1.92 nicm 1067: type = TTY_VT420;
1.115 ! nicm 1068: break;
! 1069: case 65:
! 1070: type = TTY_VT520;
1.91 nicm 1071: break;
1072: }
1.92 nicm 1073: tty_set_type(tty, type);
1.35 nicm 1074:
1.94 nicm 1075: log_debug("%s: received DA %.*s (%s)", c->name, (int)*size, buf,
1076: types[type]);
1.22 nicm 1077: return (0);
1.1 nicm 1078: }
![[BACK]](/icons/back.gif){kind=icon}
Return to tty-keys.c CVS log ![[TXT]](/icons/text.gif){kind=icon}
![[DIR]](/icons/dir.gif){kind=icon}
Up to [local] / src / usr.bin / tmux