Annotation of src/usr.bin/tmux/tty-keys.c, Revision 1.129
1.129 ! nicm 1: /* $OpenBSD: tty-keys.c,v 1.128 2020/05/16 14:16:25 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 *);
1.128 nicm 55: static int tty_keys_extended_device_attributes(struct tty *, const char *,
1.119 nicm 56: size_t, size_t *);
1.1 nicm 57:
1.48 nicm 58: /* Default raw keys. */
59: struct tty_default_key_raw {
1.1 nicm 60: const char *string;
1.76 nicm 61: key_code key;
1.1 nicm 62: };
1.90 nicm 63: static const struct tty_default_key_raw tty_default_raw_keys[] = {
1.125 nicm 64: /* Application escape. */
65: { "\033O[", '\033' },
66:
1.1 nicm 67: /*
1.8 nicm 68: * Numeric keypad. Just use the vt100 escape sequences here and always
69: * put the terminal into keypad_xmit mode. Translation of numbers
70: * mode/applications mode is done in input-keys.c.
1.1 nicm 71: */
1.48 nicm 72: { "\033Oo", KEYC_KP_SLASH },
73: { "\033Oj", KEYC_KP_STAR },
74: { "\033Om", KEYC_KP_MINUS },
75: { "\033Ow", KEYC_KP_SEVEN },
76: { "\033Ox", KEYC_KP_EIGHT },
77: { "\033Oy", KEYC_KP_NINE },
78: { "\033Ok", KEYC_KP_PLUS },
79: { "\033Ot", KEYC_KP_FOUR },
80: { "\033Ou", KEYC_KP_FIVE },
81: { "\033Ov", KEYC_KP_SIX },
82: { "\033Oq", KEYC_KP_ONE },
83: { "\033Or", KEYC_KP_TWO },
84: { "\033Os", KEYC_KP_THREE },
85: { "\033OM", KEYC_KP_ENTER },
86: { "\033Op", KEYC_KP_ZERO },
87: { "\033On", KEYC_KP_PERIOD },
1.10 nicm 88:
1.29 nicm 89: /* Arrow keys. */
1.48 nicm 90: { "\033OA", KEYC_UP },
91: { "\033OB", KEYC_DOWN },
92: { "\033OC", KEYC_RIGHT },
93: { "\033OD", KEYC_LEFT },
94:
95: { "\033[A", KEYC_UP },
96: { "\033[B", KEYC_DOWN },
97: { "\033[C", KEYC_RIGHT },
98: { "\033[D", KEYC_LEFT },
1.57 nicm 99:
100: /* Other (xterm) "cursor" keys. */
101: { "\033OH", KEYC_HOME },
102: { "\033OF", KEYC_END },
103:
104: { "\033[H", KEYC_HOME },
105: { "\033[F", KEYC_END },
1.21 nicm 106:
107: /* rxvt-style arrow + modifier keys. */
1.48 nicm 108: { "\033Oa", KEYC_UP|KEYC_CTRL },
109: { "\033Ob", KEYC_DOWN|KEYC_CTRL },
110: { "\033Oc", KEYC_RIGHT|KEYC_CTRL },
111: { "\033Od", KEYC_LEFT|KEYC_CTRL },
112:
113: { "\033[a", KEYC_UP|KEYC_SHIFT },
114: { "\033[b", KEYC_DOWN|KEYC_SHIFT },
115: { "\033[c", KEYC_RIGHT|KEYC_SHIFT },
116: { "\033[d", KEYC_LEFT|KEYC_SHIFT },
117:
118: /* rxvt-style function + modifier keys (C = ^, S = $, C-S = @). */
119: { "\033[11^", KEYC_F1|KEYC_CTRL },
120: { "\033[12^", KEYC_F2|KEYC_CTRL },
121: { "\033[13^", KEYC_F3|KEYC_CTRL },
122: { "\033[14^", KEYC_F4|KEYC_CTRL },
123: { "\033[15^", KEYC_F5|KEYC_CTRL },
124: { "\033[17^", KEYC_F6|KEYC_CTRL },
125: { "\033[18^", KEYC_F7|KEYC_CTRL },
126: { "\033[19^", KEYC_F8|KEYC_CTRL },
127: { "\033[20^", KEYC_F9|KEYC_CTRL },
128: { "\033[21^", KEYC_F10|KEYC_CTRL },
129: { "\033[23^", KEYC_F11|KEYC_CTRL },
130: { "\033[24^", KEYC_F12|KEYC_CTRL },
131: { "\033[2^", KEYC_IC|KEYC_CTRL },
132: { "\033[3^", KEYC_DC|KEYC_CTRL },
133: { "\033[7^", KEYC_HOME|KEYC_CTRL },
134: { "\033[8^", KEYC_END|KEYC_CTRL },
135: { "\033[6^", KEYC_NPAGE|KEYC_CTRL },
136: { "\033[5^", KEYC_PPAGE|KEYC_CTRL },
137:
138: { "\033[11$", KEYC_F1|KEYC_SHIFT },
139: { "\033[12$", KEYC_F2|KEYC_SHIFT },
140: { "\033[13$", KEYC_F3|KEYC_SHIFT },
141: { "\033[14$", KEYC_F4|KEYC_SHIFT },
142: { "\033[15$", KEYC_F5|KEYC_SHIFT },
143: { "\033[17$", KEYC_F6|KEYC_SHIFT },
144: { "\033[18$", KEYC_F7|KEYC_SHIFT },
145: { "\033[19$", KEYC_F8|KEYC_SHIFT },
146: { "\033[20$", KEYC_F9|KEYC_SHIFT },
147: { "\033[21$", KEYC_F10|KEYC_SHIFT },
148: { "\033[23$", KEYC_F11|KEYC_SHIFT },
149: { "\033[24$", KEYC_F12|KEYC_SHIFT },
150: { "\033[2$", KEYC_IC|KEYC_SHIFT },
151: { "\033[3$", KEYC_DC|KEYC_SHIFT },
152: { "\033[7$", KEYC_HOME|KEYC_SHIFT },
153: { "\033[8$", KEYC_END|KEYC_SHIFT },
154: { "\033[6$", KEYC_NPAGE|KEYC_SHIFT },
155: { "\033[5$", KEYC_PPAGE|KEYC_SHIFT },
156:
157: { "\033[11@", KEYC_F1|KEYC_CTRL|KEYC_SHIFT },
158: { "\033[12@", KEYC_F2|KEYC_CTRL|KEYC_SHIFT },
159: { "\033[13@", KEYC_F3|KEYC_CTRL|KEYC_SHIFT },
160: { "\033[14@", KEYC_F4|KEYC_CTRL|KEYC_SHIFT },
161: { "\033[15@", KEYC_F5|KEYC_CTRL|KEYC_SHIFT },
162: { "\033[17@", KEYC_F6|KEYC_CTRL|KEYC_SHIFT },
163: { "\033[18@", KEYC_F7|KEYC_CTRL|KEYC_SHIFT },
164: { "\033[19@", KEYC_F8|KEYC_CTRL|KEYC_SHIFT },
165: { "\033[20@", KEYC_F9|KEYC_CTRL|KEYC_SHIFT },
166: { "\033[21@", KEYC_F10|KEYC_CTRL|KEYC_SHIFT },
167: { "\033[23@", KEYC_F11|KEYC_CTRL|KEYC_SHIFT },
168: { "\033[24@", KEYC_F12|KEYC_CTRL|KEYC_SHIFT },
169: { "\033[2@", KEYC_IC|KEYC_CTRL|KEYC_SHIFT },
170: { "\033[3@", KEYC_DC|KEYC_CTRL|KEYC_SHIFT },
171: { "\033[7@", KEYC_HOME|KEYC_CTRL|KEYC_SHIFT },
172: { "\033[8@", KEYC_END|KEYC_CTRL|KEYC_SHIFT },
173: { "\033[6@", KEYC_NPAGE|KEYC_CTRL|KEYC_SHIFT },
174: { "\033[5@", KEYC_PPAGE|KEYC_CTRL|KEYC_SHIFT },
1.56 nicm 175:
176: /* Focus tracking. */
177: { "\033[I", KEYC_FOCUS_IN },
178: { "\033[O", KEYC_FOCUS_OUT },
1.98 nicm 179:
180: /* Paste keys. */
181: { "\033[200~", KEYC_PASTE_START },
182: { "\033[201~", KEYC_PASTE_END },
1.48 nicm 183: };
1.29 nicm 184:
1.103 nicm 185: /*
186: * Default terminfo(5) keys. Any keys that have builtin modifiers
187: * (that is, where the key itself contains the modifiers) has the
188: * KEYC_XTERM flag set so a leading escape is not treated as meta (and
189: * probably removed).
190: */
1.48 nicm 191: struct tty_default_key_code {
192: enum tty_code_code code;
1.76 nicm 193: key_code key;
1.48 nicm 194: };
1.90 nicm 195: static const struct tty_default_key_code tty_default_code_keys[] = {
1.29 nicm 196: /* Function keys. */
1.48 nicm 197: { TTYC_KF1, KEYC_F1 },
198: { TTYC_KF2, KEYC_F2 },
199: { TTYC_KF3, KEYC_F3 },
200: { TTYC_KF4, KEYC_F4 },
201: { TTYC_KF5, KEYC_F5 },
202: { TTYC_KF6, KEYC_F6 },
203: { TTYC_KF7, KEYC_F7 },
204: { TTYC_KF8, KEYC_F8 },
205: { TTYC_KF9, KEYC_F9 },
206: { TTYC_KF10, KEYC_F10 },
207: { TTYC_KF11, KEYC_F11 },
208: { TTYC_KF12, KEYC_F12 },
1.70 nicm 209:
1.103 nicm 210: { TTYC_KF13, KEYC_F1|KEYC_SHIFT|KEYC_XTERM },
211: { TTYC_KF14, KEYC_F2|KEYC_SHIFT|KEYC_XTERM },
212: { TTYC_KF15, KEYC_F3|KEYC_SHIFT|KEYC_XTERM },
213: { TTYC_KF16, KEYC_F4|KEYC_SHIFT|KEYC_XTERM },
214: { TTYC_KF17, KEYC_F5|KEYC_SHIFT|KEYC_XTERM },
215: { TTYC_KF18, KEYC_F6|KEYC_SHIFT|KEYC_XTERM },
216: { TTYC_KF19, KEYC_F7|KEYC_SHIFT|KEYC_XTERM },
217: { TTYC_KF20, KEYC_F8|KEYC_SHIFT|KEYC_XTERM },
218: { TTYC_KF21, KEYC_F9|KEYC_SHIFT|KEYC_XTERM },
219: { TTYC_KF22, KEYC_F10|KEYC_SHIFT|KEYC_XTERM },
220: { TTYC_KF23, KEYC_F11|KEYC_SHIFT|KEYC_XTERM },
221: { TTYC_KF24, KEYC_F12|KEYC_SHIFT|KEYC_XTERM },
222:
223: { TTYC_KF25, KEYC_F1|KEYC_CTRL|KEYC_XTERM },
224: { TTYC_KF26, KEYC_F2|KEYC_CTRL|KEYC_XTERM },
225: { TTYC_KF27, KEYC_F3|KEYC_CTRL|KEYC_XTERM },
226: { TTYC_KF28, KEYC_F4|KEYC_CTRL|KEYC_XTERM },
227: { TTYC_KF29, KEYC_F5|KEYC_CTRL|KEYC_XTERM },
228: { TTYC_KF30, KEYC_F6|KEYC_CTRL|KEYC_XTERM },
229: { TTYC_KF31, KEYC_F7|KEYC_CTRL|KEYC_XTERM },
230: { TTYC_KF32, KEYC_F8|KEYC_CTRL|KEYC_XTERM },
231: { TTYC_KF33, KEYC_F9|KEYC_CTRL|KEYC_XTERM },
232: { TTYC_KF34, KEYC_F10|KEYC_CTRL|KEYC_XTERM },
233: { TTYC_KF35, KEYC_F11|KEYC_CTRL|KEYC_XTERM },
234: { TTYC_KF36, KEYC_F12|KEYC_CTRL|KEYC_XTERM },
235:
236: { TTYC_KF37, KEYC_F1|KEYC_SHIFT|KEYC_CTRL|KEYC_XTERM },
237: { TTYC_KF38, KEYC_F2|KEYC_SHIFT|KEYC_CTRL|KEYC_XTERM },
238: { TTYC_KF39, KEYC_F3|KEYC_SHIFT|KEYC_CTRL|KEYC_XTERM },
239: { TTYC_KF40, KEYC_F4|KEYC_SHIFT|KEYC_CTRL|KEYC_XTERM },
240: { TTYC_KF41, KEYC_F5|KEYC_SHIFT|KEYC_CTRL|KEYC_XTERM },
241: { TTYC_KF42, KEYC_F6|KEYC_SHIFT|KEYC_CTRL|KEYC_XTERM },
242: { TTYC_KF43, KEYC_F7|KEYC_SHIFT|KEYC_CTRL|KEYC_XTERM },
243: { TTYC_KF44, KEYC_F8|KEYC_SHIFT|KEYC_CTRL|KEYC_XTERM },
244: { TTYC_KF45, KEYC_F9|KEYC_SHIFT|KEYC_CTRL|KEYC_XTERM },
245: { TTYC_KF46, KEYC_F10|KEYC_SHIFT|KEYC_CTRL|KEYC_XTERM },
246: { TTYC_KF47, KEYC_F11|KEYC_SHIFT|KEYC_CTRL|KEYC_XTERM },
247: { TTYC_KF48, KEYC_F12|KEYC_SHIFT|KEYC_CTRL|KEYC_XTERM },
248:
249: { TTYC_KF49, KEYC_F1|KEYC_ESCAPE|KEYC_XTERM },
250: { TTYC_KF50, KEYC_F2|KEYC_ESCAPE|KEYC_XTERM },
251: { TTYC_KF51, KEYC_F3|KEYC_ESCAPE|KEYC_XTERM },
252: { TTYC_KF52, KEYC_F4|KEYC_ESCAPE|KEYC_XTERM },
253: { TTYC_KF53, KEYC_F5|KEYC_ESCAPE|KEYC_XTERM },
254: { TTYC_KF54, KEYC_F6|KEYC_ESCAPE|KEYC_XTERM },
255: { TTYC_KF55, KEYC_F7|KEYC_ESCAPE|KEYC_XTERM },
256: { TTYC_KF56, KEYC_F8|KEYC_ESCAPE|KEYC_XTERM },
257: { TTYC_KF57, KEYC_F9|KEYC_ESCAPE|KEYC_XTERM },
258: { TTYC_KF58, KEYC_F10|KEYC_ESCAPE|KEYC_XTERM },
259: { TTYC_KF59, KEYC_F11|KEYC_ESCAPE|KEYC_XTERM },
260: { TTYC_KF60, KEYC_F12|KEYC_ESCAPE|KEYC_XTERM },
261:
262: { TTYC_KF61, KEYC_F1|KEYC_ESCAPE|KEYC_SHIFT|KEYC_XTERM },
263: { TTYC_KF62, KEYC_F2|KEYC_ESCAPE|KEYC_SHIFT|KEYC_XTERM },
264: { TTYC_KF63, KEYC_F3|KEYC_ESCAPE|KEYC_SHIFT|KEYC_XTERM },
1.70 nicm 265:
1.48 nicm 266: { TTYC_KICH1, KEYC_IC },
267: { TTYC_KDCH1, KEYC_DC },
268: { TTYC_KHOME, KEYC_HOME },
269: { TTYC_KEND, KEYC_END },
270: { TTYC_KNP, KEYC_NPAGE },
271: { TTYC_KPP, KEYC_PPAGE },
272: { TTYC_KCBT, KEYC_BTAB },
1.29 nicm 273:
274: /* Arrow keys from terminfo. */
1.48 nicm 275: { TTYC_KCUU1, KEYC_UP },
276: { TTYC_KCUD1, KEYC_DOWN },
277: { TTYC_KCUB1, KEYC_LEFT },
278: { TTYC_KCUF1, KEYC_RIGHT },
1.29 nicm 279:
1.103 nicm 280: /* Key and modifier capabilities. */
1.97 nicm 281: { TTYC_KDC2, KEYC_DC|KEYC_SHIFT|KEYC_XTERM },
282: { TTYC_KDC3, KEYC_DC|KEYC_ESCAPE|KEYC_XTERM },
283: { TTYC_KDC4, KEYC_DC|KEYC_SHIFT|KEYC_ESCAPE|KEYC_XTERM },
284: { TTYC_KDC5, KEYC_DC|KEYC_CTRL|KEYC_XTERM },
285: { TTYC_KDC6, KEYC_DC|KEYC_SHIFT|KEYC_CTRL|KEYC_XTERM },
286: { TTYC_KDC7, KEYC_DC|KEYC_ESCAPE|KEYC_CTRL|KEYC_XTERM },
1.102 nicm 287: { TTYC_KIND, KEYC_DOWN|KEYC_SHIFT|KEYC_XTERM },
1.97 nicm 288: { TTYC_KDN2, KEYC_DOWN|KEYC_SHIFT|KEYC_XTERM },
289: { TTYC_KDN3, KEYC_DOWN|KEYC_ESCAPE|KEYC_XTERM },
290: { TTYC_KDN4, KEYC_DOWN|KEYC_SHIFT|KEYC_ESCAPE|KEYC_XTERM },
291: { TTYC_KDN5, KEYC_DOWN|KEYC_CTRL|KEYC_XTERM },
292: { TTYC_KDN6, KEYC_DOWN|KEYC_SHIFT|KEYC_CTRL|KEYC_XTERM },
293: { TTYC_KDN7, KEYC_DOWN|KEYC_ESCAPE|KEYC_CTRL|KEYC_XTERM },
294: { TTYC_KEND2, KEYC_END|KEYC_SHIFT|KEYC_XTERM },
295: { TTYC_KEND3, KEYC_END|KEYC_ESCAPE|KEYC_XTERM },
296: { TTYC_KEND4, KEYC_END|KEYC_SHIFT|KEYC_ESCAPE|KEYC_XTERM },
297: { TTYC_KEND5, KEYC_END|KEYC_CTRL|KEYC_XTERM },
298: { TTYC_KEND6, KEYC_END|KEYC_SHIFT|KEYC_CTRL|KEYC_XTERM },
299: { TTYC_KEND7, KEYC_END|KEYC_ESCAPE|KEYC_CTRL|KEYC_XTERM },
300: { TTYC_KHOM2, KEYC_HOME|KEYC_SHIFT|KEYC_XTERM },
301: { TTYC_KHOM3, KEYC_HOME|KEYC_ESCAPE|KEYC_XTERM },
302: { TTYC_KHOM4, KEYC_HOME|KEYC_SHIFT|KEYC_ESCAPE|KEYC_XTERM },
303: { TTYC_KHOM5, KEYC_HOME|KEYC_CTRL|KEYC_XTERM },
304: { TTYC_KHOM6, KEYC_HOME|KEYC_SHIFT|KEYC_CTRL|KEYC_XTERM },
305: { TTYC_KHOM7, KEYC_HOME|KEYC_ESCAPE|KEYC_CTRL|KEYC_XTERM },
306: { TTYC_KIC2, KEYC_IC|KEYC_SHIFT|KEYC_XTERM },
307: { TTYC_KIC3, KEYC_IC|KEYC_ESCAPE|KEYC_XTERM },
308: { TTYC_KIC4, KEYC_IC|KEYC_SHIFT|KEYC_ESCAPE|KEYC_XTERM },
309: { TTYC_KIC5, KEYC_IC|KEYC_CTRL|KEYC_XTERM },
310: { TTYC_KIC6, KEYC_IC|KEYC_SHIFT|KEYC_CTRL|KEYC_XTERM },
311: { TTYC_KIC7, KEYC_IC|KEYC_ESCAPE|KEYC_CTRL|KEYC_XTERM },
312: { TTYC_KLFT2, KEYC_LEFT|KEYC_SHIFT|KEYC_XTERM },
313: { TTYC_KLFT3, KEYC_LEFT|KEYC_ESCAPE|KEYC_XTERM },
314: { TTYC_KLFT4, KEYC_LEFT|KEYC_SHIFT|KEYC_ESCAPE|KEYC_XTERM },
315: { TTYC_KLFT5, KEYC_LEFT|KEYC_CTRL|KEYC_XTERM },
316: { TTYC_KLFT6, KEYC_LEFT|KEYC_SHIFT|KEYC_CTRL|KEYC_XTERM },
317: { TTYC_KLFT7, KEYC_LEFT|KEYC_ESCAPE|KEYC_CTRL|KEYC_XTERM },
318: { TTYC_KNXT2, KEYC_NPAGE|KEYC_SHIFT|KEYC_XTERM },
319: { TTYC_KNXT3, KEYC_NPAGE|KEYC_ESCAPE|KEYC_XTERM },
320: { TTYC_KNXT4, KEYC_NPAGE|KEYC_SHIFT|KEYC_ESCAPE|KEYC_XTERM },
321: { TTYC_KNXT5, KEYC_NPAGE|KEYC_CTRL|KEYC_XTERM },
322: { TTYC_KNXT6, KEYC_NPAGE|KEYC_SHIFT|KEYC_CTRL|KEYC_XTERM },
323: { TTYC_KNXT7, KEYC_NPAGE|KEYC_ESCAPE|KEYC_CTRL|KEYC_XTERM },
324: { TTYC_KPRV2, KEYC_PPAGE|KEYC_SHIFT|KEYC_XTERM },
325: { TTYC_KPRV3, KEYC_PPAGE|KEYC_ESCAPE|KEYC_XTERM },
326: { TTYC_KPRV4, KEYC_PPAGE|KEYC_SHIFT|KEYC_ESCAPE|KEYC_XTERM },
327: { TTYC_KPRV5, KEYC_PPAGE|KEYC_CTRL|KEYC_XTERM },
328: { TTYC_KPRV6, KEYC_PPAGE|KEYC_SHIFT|KEYC_CTRL|KEYC_XTERM },
329: { TTYC_KPRV7, KEYC_PPAGE|KEYC_ESCAPE|KEYC_CTRL|KEYC_XTERM },
330: { TTYC_KRIT2, KEYC_RIGHT|KEYC_SHIFT|KEYC_XTERM },
331: { TTYC_KRIT3, KEYC_RIGHT|KEYC_ESCAPE|KEYC_XTERM },
332: { TTYC_KRIT4, KEYC_RIGHT|KEYC_SHIFT|KEYC_ESCAPE|KEYC_XTERM },
333: { TTYC_KRIT5, KEYC_RIGHT|KEYC_CTRL|KEYC_XTERM },
334: { TTYC_KRIT6, KEYC_RIGHT|KEYC_SHIFT|KEYC_CTRL|KEYC_XTERM },
335: { TTYC_KRIT7, KEYC_RIGHT|KEYC_ESCAPE|KEYC_CTRL|KEYC_XTERM },
1.100 nicm 336: { TTYC_KRI, KEYC_UP|KEYC_SHIFT|KEYC_XTERM },
1.97 nicm 337: { TTYC_KUP2, KEYC_UP|KEYC_SHIFT|KEYC_XTERM },
338: { TTYC_KUP3, KEYC_UP|KEYC_ESCAPE|KEYC_XTERM },
339: { TTYC_KUP4, KEYC_UP|KEYC_SHIFT|KEYC_ESCAPE|KEYC_XTERM },
340: { TTYC_KUP5, KEYC_UP|KEYC_CTRL|KEYC_XTERM },
341: { TTYC_KUP6, KEYC_UP|KEYC_SHIFT|KEYC_CTRL|KEYC_XTERM },
342: { TTYC_KUP7, KEYC_UP|KEYC_ESCAPE|KEYC_CTRL|KEYC_XTERM },
1.1 nicm 343: };
344:
1.48 nicm 345: /* Add key to tree. */
1.86 nicm 346: static void
1.76 nicm 347: tty_keys_add(struct tty *tty, const char *s, key_code key)
1.16 nicm 348: {
1.29 nicm 349: struct tty_key *tk;
350: size_t size;
351: const char *keystr;
1.1 nicm 352:
1.29 nicm 353: keystr = key_string_lookup_key(key);
354: if ((tk = tty_keys_find(tty, s, strlen(s), &size)) == NULL) {
1.76 nicm 355: log_debug("new key %s: 0x%llx (%s)", s, key, keystr);
1.16 nicm 356: tty_keys_add1(&tty->key_tree, s, key);
1.29 nicm 357: } else {
1.76 nicm 358: log_debug("replacing key %s: 0x%llx (%s)", s, key, keystr);
1.29 nicm 359: tk->key = key;
1.16 nicm 360: }
1.1 nicm 361: }
362:
1.16 nicm 363: /* Add next node to the tree. */
1.86 nicm 364: static void
1.76 nicm 365: tty_keys_add1(struct tty_key **tkp, const char *s, key_code key)
1.1 nicm 366: {
1.16 nicm 367: struct tty_key *tk;
1.1 nicm 368:
1.16 nicm 369: /* Allocate a tree entry if there isn't one already. */
370: tk = *tkp;
371: if (tk == NULL) {
372: tk = *tkp = xcalloc(1, sizeof *tk);
373: tk->ch = *s;
1.83 nicm 374: tk->key = KEYC_UNKNOWN;
1.16 nicm 375: }
376:
377: /* Find the next entry. */
378: if (*s == tk->ch) {
379: /* Move forward in string. */
380: s++;
381:
382: /* If this is the end of the string, no more is necessary. */
383: if (*s == '\0') {
384: tk->key = key;
385: return;
386: }
387:
388: /* Use the child tree for the next character. */
389: tkp = &tk->next;
1.27 nicm 390: } else {
1.16 nicm 391: if (*s < tk->ch)
392: tkp = &tk->left;
393: else if (*s > tk->ch)
394: tkp = &tk->right;
395: }
396:
397: /* And recurse to add it. */
398: tty_keys_add1(tkp, s, key);
1.1 nicm 399: }
400:
1.16 nicm 401: /* Initialise a key tree from the table. */
1.1 nicm 402: void
1.48 nicm 403: tty_keys_build(struct tty *tty)
1.1 nicm 404: {
1.48 nicm 405: const struct tty_default_key_raw *tdkr;
406: const struct tty_default_key_code *tdkc;
1.107 nicm 407: u_int i;
1.109 nicm 408: const char *s;
1.99 nicm 409: struct options_entry *o;
1.107 nicm 410: struct options_array_item *a;
1.109 nicm 411: union options_value *ov;
1.1 nicm 412:
1.48 nicm 413: if (tty->key_tree != NULL)
1.71 nicm 414: tty_keys_free(tty);
1.16 nicm 415: tty->key_tree = NULL;
1.1 nicm 416:
1.48 nicm 417: for (i = 0; i < nitems(tty_default_raw_keys); i++) {
418: tdkr = &tty_default_raw_keys[i];
419:
420: s = tdkr->string;
1.51 nicm 421: if (*s != '\0')
422: tty_keys_add(tty, s, tdkr->key);
1.48 nicm 423: }
424: for (i = 0; i < nitems(tty_default_code_keys); i++) {
425: tdkc = &tty_default_code_keys[i];
426:
427: s = tty_term_string(tty->term, tdkc->code);
1.51 nicm 428: if (*s != '\0')
429: tty_keys_add(tty, s, tdkc->key);
1.1 nicm 430:
1.99 nicm 431: }
432:
433: o = options_get(global_options, "user-keys");
1.107 nicm 434: if (o != NULL) {
435: a = options_array_first(o);
436: while (a != NULL) {
1.112 nicm 437: i = options_array_item_index(a);
1.109 nicm 438: ov = options_array_item_value(a);
1.110 nicm 439: tty_keys_add(tty, ov->string, KEYC_USER + i);
1.107 nicm 440: a = options_array_next(a);
1.99 nicm 441: }
1.1 nicm 442: }
443: }
444:
1.16 nicm 445: /* Free the entire key tree. */
1.1 nicm 446: void
447: tty_keys_free(struct tty *tty)
448: {
1.16 nicm 449: tty_keys_free1(tty->key_tree);
450: }
1.1 nicm 451:
1.16 nicm 452: /* Free a single key. */
1.86 nicm 453: static void
1.16 nicm 454: tty_keys_free1(struct tty_key *tk)
455: {
456: if (tk->next != NULL)
457: tty_keys_free1(tk->next);
458: if (tk->left != NULL)
459: tty_keys_free1(tk->left);
460: if (tk->right != NULL)
461: tty_keys_free1(tk->right);
1.42 nicm 462: free(tk);
1.1 nicm 463: }
464:
1.16 nicm 465: /* Lookup a key in the tree. */
1.86 nicm 466: static struct tty_key *
1.16 nicm 467: tty_keys_find(struct tty *tty, const char *buf, size_t len, size_t *size)
1.1 nicm 468: {
1.16 nicm 469: *size = 0;
470: return (tty_keys_find1(tty->key_tree, buf, len, size));
471: }
1.1 nicm 472:
1.16 nicm 473: /* Find the next node. */
1.86 nicm 474: static struct tty_key *
1.16 nicm 475: tty_keys_find1(struct tty_key *tk, const char *buf, size_t len, size_t *size)
476: {
1.106 nicm 477: /* If no data, no match. */
478: if (len == 0)
479: return (NULL);
480:
1.16 nicm 481: /* If the node is NULL, this is the end of the tree. No match. */
482: if (tk == NULL)
1.1 nicm 483: return (NULL);
484:
1.16 nicm 485: /* Pick the next in the sequence. */
486: if (tk->ch == *buf) {
487: /* Move forward in the string. */
488: buf++; len--;
489: (*size)++;
1.1 nicm 490:
1.16 nicm 491: /* At the end of the string, return the current node. */
1.83 nicm 492: if (len == 0 || (tk->next == NULL && tk->key != KEYC_UNKNOWN))
1.16 nicm 493: return (tk);
1.1 nicm 494:
1.16 nicm 495: /* Move into the next tree for the following character. */
496: tk = tk->next;
497: } else {
498: if (*buf < tk->ch)
499: tk = tk->left;
500: else if (*buf > tk->ch)
501: tk = tk->right;
1.1 nicm 502: }
503:
1.16 nicm 504: /* Move to the next in the tree. */
505: return (tty_keys_find1(tk, buf, len, size));
1.1 nicm 506: }
507:
1.86 nicm 508: /* Look up part of the next key. */
509: static int
510: tty_keys_next1(struct tty *tty, const char *buf, size_t len, key_code *key,
1.87 nicm 511: size_t *size, int expired)
1.86 nicm 512: {
1.94 nicm 513: struct client *c = tty->client;
1.86 nicm 514: struct tty_key *tk, *tk1;
515: struct utf8_data ud;
516: enum utf8_state more;
517: u_int i;
518: wchar_t wc;
1.97 nicm 519: int n;
1.86 nicm 520:
1.94 nicm 521: log_debug("%s: next key is %zu (%.*s) (expired=%d)", c->name, len,
522: (int)len, buf, expired);
1.86 nicm 523:
524: /* Is this a known key? */
525: tk = tty_keys_find(tty, buf, len, size);
1.87 nicm 526: if (tk != NULL && tk->key != KEYC_UNKNOWN) {
1.86 nicm 527: tk1 = tk;
528: do
1.94 nicm 529: log_debug("%s: keys in list: %#llx", c->name, tk1->key);
1.86 nicm 530: while ((tk1 = tk1->next) != NULL);
1.87 nicm 531: if (tk->next != NULL && !expired)
532: return (1);
1.86 nicm 533: *key = tk->key;
1.87 nicm 534: return (0);
1.86 nicm 535: }
536:
1.97 nicm 537: /* Is this an an xterm(1) key? */
538: n = xterm_keys_find(buf, len, size, key);
539: if (n == 0)
540: return (0);
541: if (n == 1 && !expired)
542: return (1);
543:
1.86 nicm 544: /* Is this valid UTF-8? */
545: more = utf8_open(&ud, (u_char)*buf);
546: if (more == UTF8_MORE) {
547: *size = ud.size;
1.87 nicm 548: if (len < ud.size) {
549: if (!expired)
550: return (1);
551: return (-1);
552: }
1.86 nicm 553: for (i = 1; i < ud.size; i++)
554: more = utf8_append(&ud, (u_char)buf[i]);
555: if (more != UTF8_DONE)
1.87 nicm 556: return (-1);
1.86 nicm 557:
558: if (utf8_combine(&ud, &wc) != UTF8_DONE)
1.87 nicm 559: return (-1);
1.86 nicm 560: *key = wc;
561:
1.94 nicm 562: log_debug("%s: UTF-8 key %.*s %#llx", c->name, (int)ud.size,
563: buf, *key);
1.86 nicm 564: return (0);
565: }
566:
567: return (-1);
568: }
569:
1.111 nicm 570: /* Process at least one key in the buffer. Return 0 if no keys present. */
571: int
1.14 nicm 572: tty_keys_next(struct tty *tty)
1.1 nicm 573: {
1.111 nicm 574: struct client *c = tty->client;
575: struct timeval tv;
576: const char *buf;
577: size_t len, size;
578: cc_t bspace;
579: int delay, expired = 0, n;
580: key_code key;
581: struct mouse_event m = { 0 };
582: struct key_event *event;
583:
584: gettimeofday(&tv, NULL);
1.1 nicm 585:
1.51 nicm 586: /* Get key buffer. */
1.93 nicm 587: buf = EVBUFFER_DATA(tty->in);
588: len = EVBUFFER_LENGTH(tty->in);
1.1 nicm 589: if (len == 0)
1.14 nicm 590: return (0);
1.94 nicm 591: log_debug("%s: keys are %zu (%.*s)", c->name, len, (int)len, buf);
1.1 nicm 592:
1.104 nicm 593: /* Is this a clipboard response? */
594: switch (tty_keys_clipboard(tty, buf, len, &size)) {
595: case 0: /* yes */
596: key = KEYC_UNKNOWN;
597: goto complete_key;
598: case -1: /* no, or not valid */
599: break;
600: case 1: /* partial */
601: goto partial_key;
602: }
603:
1.91 nicm 604: /* Is this a device attributes response? */
605: switch (tty_keys_device_attributes(tty, buf, len, &size)) {
606: case 0: /* yes */
607: key = KEYC_UNKNOWN;
608: goto complete_key;
609: case -1: /* no, or not valid */
610: break;
611: case 1: /* partial */
612: goto partial_key;
613: }
614:
1.128 nicm 615: /* Is this an extended device attributes response? */
616: switch (tty_keys_extended_device_attributes(tty, buf, len, &size)) {
1.119 nicm 617: case 0: /* yes */
618: key = KEYC_UNKNOWN;
619: goto complete_key;
620: case -1: /* no, or not valid */
621: break;
622: case 1: /* partial */
623: goto partial_key;
624: }
625:
1.26 nicm 626: /* Is this a mouse key press? */
1.111 nicm 627: switch (tty_keys_mouse(tty, buf, len, &size, &m)) {
1.22 nicm 628: case 0: /* yes */
629: key = KEYC_MOUSE;
1.51 nicm 630: goto complete_key;
1.22 nicm 631: case -1: /* no, or not valid */
1.24 nicm 632: break;
1.67 nicm 633: case -2: /* yes, but we don't care. */
1.73 nicm 634: key = KEYC_MOUSE;
1.67 nicm 635: goto discard_key;
1.22 nicm 636: case 1: /* partial */
637: goto partial_key;
1.11 nicm 638: }
639:
1.86 nicm 640: first_key:
1.101 nicm 641: /* Try to lookup complete key. */
642: n = tty_keys_next1(tty, buf, len, &key, &size, expired);
643: if (n == 0) /* found */
644: goto complete_key;
645: if (n == 1)
646: goto partial_key;
647:
648: /*
649: * If not a complete key, look for key with an escape prefix (meta
650: * modifier).
651: */
1.105 nicm 652: if (*buf == '\033' && len > 1) {
1.87 nicm 653: /* Look for a key without the escape. */
654: n = tty_keys_next1(tty, buf + 1, len - 1, &key, &size, expired);
655: if (n == 0) { /* found */
1.97 nicm 656: if (key & KEYC_XTERM) {
657: /*
658: * We want the escape key as well as the xterm
659: * key, because the xterm sequence implicitly
660: * includes the escape (so if we see
661: * \033\033[1;3D we know it is an Escape
662: * followed by M-Left, not just M-Left).
663: */
664: key = '\033';
665: size = 1;
666: goto complete_key;
667: }
1.87 nicm 668: key |= KEYC_ESCAPE;
669: size++;
670: goto complete_key;
671: }
672: if (n == 1) /* partial */
1.62 nicm 673: goto partial_key;
1.89 nicm 674: }
1.1 nicm 675:
1.89 nicm 676: /*
677: * At this point, we know the key is not partial (with or without
678: * escape). So pass it through even if the timer has not expired.
679: */
680: if (*buf == '\033' && len >= 2) {
681: key = (u_char)buf[1] | KEYC_ESCAPE;
682: size = 2;
683: } else {
684: key = (u_char)buf[0];
685: size = 1;
1.76 nicm 686: }
1.51 nicm 687: goto complete_key;
688:
689: partial_key:
1.94 nicm 690: log_debug("%s: partial key %.*s", c->name, (int)len, buf);
1.14 nicm 691:
1.51 nicm 692: /* If timer is going, check for expiration. */
693: if (tty->flags & TTY_TIMER) {
694: if (evtimer_initialized(&tty->key_timer) &&
1.59 nicm 695: !evtimer_pending(&tty->key_timer, NULL)) {
696: expired = 1;
1.51 nicm 697: goto first_key;
1.59 nicm 698: }
1.39 nicm 699: return (0);
1.51 nicm 700: }
1.39 nicm 701:
1.51 nicm 702: /* Get the time period. */
1.75 nicm 703: delay = options_get_number(global_options, "escape-time");
1.28 nicm 704: tv.tv_sec = delay / 1000;
705: tv.tv_usec = (delay % 1000) * 1000L;
1.27 nicm 706:
1.51 nicm 707: /* Start the timer. */
1.36 nicm 708: if (event_initialized(&tty->key_timer))
709: evtimer_del(&tty->key_timer);
1.14 nicm 710: evtimer_set(&tty->key_timer, tty_keys_callback, tty);
711: evtimer_add(&tty->key_timer, &tv);
1.27 nicm 712:
1.51 nicm 713: tty->flags |= TTY_TIMER;
1.14 nicm 714: return (0);
1.1 nicm 715:
1.51 nicm 716: complete_key:
1.94 nicm 717: log_debug("%s: complete key %.*s %#llx", c->name, (int)size, buf, key);
1.88 nicm 718:
719: /*
720: * Check for backspace key using termios VERASE - the terminfo
721: * kbs entry is extremely unreliable, so cannot be safely
722: * used. termios should have a better idea.
723: */
724: bspace = tty->tio.c_cc[VERASE];
725: if (bspace != _POSIX_VDISABLE && (key & KEYC_MASK_KEY) == bspace)
726: key = (key & KEYC_MASK_MOD) | KEYC_BSPACE;
1.16 nicm 727:
1.51 nicm 728: /* Remove data from buffer. */
1.93 nicm 729: evbuffer_drain(tty->in, size);
1.16 nicm 730:
1.51 nicm 731: /* Remove key timer. */
1.36 nicm 732: if (event_initialized(&tty->key_timer))
733: evtimer_del(&tty->key_timer);
1.51 nicm 734: tty->flags &= ~TTY_TIMER;
1.56 nicm 735:
736: /* Check for focus events. */
737: if (key == KEYC_FOCUS_OUT) {
738: tty->client->flags &= ~CLIENT_FOCUSED;
739: return (1);
740: } else if (key == KEYC_FOCUS_IN) {
741: tty->client->flags |= CLIENT_FOCUSED;
742: return (1);
743: }
1.16 nicm 744:
1.51 nicm 745: /* Fire the key. */
1.111 nicm 746: if (key != KEYC_UNKNOWN) {
747: event = xmalloc(sizeof *event);
748: event->key = key;
749: memcpy(&event->m, &m, sizeof event->m);
1.113 nicm 750: if (!server_client_handle_key(c, event))
751: free(event);
1.111 nicm 752: }
1.16 nicm 753:
1.14 nicm 754: return (1);
1.67 nicm 755:
756: discard_key:
1.94 nicm 757: log_debug("%s: discard key %.*s %#llx", c->name, (int)size, buf, key);
1.67 nicm 758:
759: /* Remove data from buffer. */
1.93 nicm 760: evbuffer_drain(tty->in, size);
1.67 nicm 761:
762: return (1);
1.14 nicm 763: }
764:
1.16 nicm 765: /* Key timer callback. */
1.86 nicm 766: static void
1.81 nicm 767: tty_keys_callback(__unused int fd, __unused short events, void *data)
1.14 nicm 768: {
769: struct tty *tty = data;
770:
1.51 nicm 771: if (tty->flags & TTY_TIMER) {
772: while (tty_keys_next(tty))
773: ;
774: }
1.1 nicm 775: }
776:
1.27 nicm 777: /*
1.22 nicm 778: * Handle mouse key input. Returns 0 for success, -1 for failure, 1 for partial
779: * (probably a mouse sequence but need more data).
780: */
1.86 nicm 781: static int
1.111 nicm 782: tty_keys_mouse(struct tty *tty, const char *buf, size_t len, size_t *size,
783: struct mouse_event *m)
1.1 nicm 784: {
1.111 nicm 785: struct client *c = tty->client;
786: u_int i, x, y, b, sgr_b;
787: u_char sgr_type, ch;
1.33 nicm 788:
1.1 nicm 789: /*
1.33 nicm 790: * Standard mouse sequences are \033[M followed by three characters
1.55 nicm 791: * indicating button, X and Y, all based at 32 with 1,1 top-left.
1.33 nicm 792: *
793: * UTF-8 mouse sequences are similar but the three are expressed as
794: * UTF-8 characters.
1.55 nicm 795: *
796: * SGR extended mouse sequences are \033[< followed by three numbers in
797: * decimal and separated by semicolons indicating button, X and Y. A
798: * trailing 'M' is click or scroll and trailing 'm' release. All are
799: * based at 0 with 1,1 top-left.
1.1 nicm 800: */
801:
1.22 nicm 802: *size = 0;
1.72 nicm 803: x = y = b = sgr_b = 0;
804: sgr_type = ' ';
1.22 nicm 805:
1.55 nicm 806: /* First two bytes are always \033[. */
1.22 nicm 807: if (buf[0] != '\033')
808: return (-1);
809: if (len == 1)
810: return (1);
811: if (buf[1] != '[')
812: return (-1);
813: if (len == 2)
814: return (1);
815:
1.55 nicm 816: /*
1.82 nicm 817: * Third byte is M in old standard (and UTF-8 extension which we do not
818: * support), < in SGR extension.
1.55 nicm 819: */
820: if (buf[2] == 'M') {
821: /* Read the three inputs. */
822: *size = 3;
823: for (i = 0; i < 3; i++) {
824: if (len <= *size)
825: return (1);
1.94 nicm 826: ch = (u_char)buf[(*size)++];
1.55 nicm 827: if (i == 0)
1.94 nicm 828: b = ch;
1.55 nicm 829: else if (i == 1)
1.94 nicm 830: x = ch;
1.55 nicm 831: else
1.94 nicm 832: y = ch;
1.33 nicm 833: }
1.94 nicm 834: log_debug("%s: mouse input: %.*s", c->name, (int)*size, buf);
1.16 nicm 835:
1.55 nicm 836: /* Check and return the mouse input. */
1.60 nicm 837: if (b < 32)
1.55 nicm 838: return (-1);
839: b -= 32;
1.60 nicm 840: if (x >= 33)
841: x -= 33;
842: else
843: x = 256 - x;
844: if (y >= 33)
845: y -= 33;
846: else
847: y = 256 - y;
1.55 nicm 848: } else if (buf[2] == '<') {
849: /* Read the three inputs. */
850: *size = 3;
851: while (1) {
852: if (len <= *size)
853: return (1);
1.94 nicm 854: ch = (u_char)buf[(*size)++];
855: if (ch == ';')
1.55 nicm 856: break;
1.94 nicm 857: if (ch < '0' || ch > '9')
1.55 nicm 858: return (-1);
1.94 nicm 859: sgr_b = 10 * sgr_b + (ch - '0');
1.55 nicm 860: }
861: while (1) {
862: if (len <= *size)
863: return (1);
1.94 nicm 864: ch = (u_char)buf[(*size)++];
865: if (ch == ';')
1.55 nicm 866: break;
1.94 nicm 867: if (ch < '0' || ch > '9')
1.55 nicm 868: return (-1);
1.94 nicm 869: x = 10 * x + (ch - '0');
1.55 nicm 870: }
871: while (1) {
872: if (len <= *size)
873: return (1);
1.94 nicm 874: ch = (u_char)buf[(*size)++];
875: if (ch == 'M' || ch == 'm')
1.55 nicm 876: break;
1.94 nicm 877: if (ch < '0' || ch > '9')
1.55 nicm 878: return (-1);
1.94 nicm 879: y = 10 * y + (ch - '0');
1.55 nicm 880: }
1.94 nicm 881: log_debug("%s: mouse input (SGR): %.*s", c->name, (int)*size,
882: buf);
1.1 nicm 883:
1.55 nicm 884: /* Check and return the mouse input. */
885: if (x < 1 || y < 1)
886: return (-1);
887: x--;
888: y--;
1.72 nicm 889: b = sgr_b;
890:
891: /* Type is M for press, m for release. */
1.94 nicm 892: sgr_type = ch;
1.72 nicm 893: if (sgr_type == 'm')
894: b |= 3;
1.67 nicm 895:
896: /*
897: * Some terminals (like PuTTY 0.63) mistakenly send
898: * button-release events for scroll-wheel button-press event.
899: * Discard it before it reaches any program running inside
900: * tmux.
901: */
1.72 nicm 902: if (sgr_type == 'm' && (sgr_b & 64))
1.67 nicm 903: return (-2);
1.55 nicm 904: } else
1.22 nicm 905: return (-1);
1.45 nicm 906:
1.72 nicm 907: /* Fill mouse event. */
1.111 nicm 908: m->lx = tty->mouse_last_x;
1.61 nicm 909: m->x = x;
1.111 nicm 910: m->ly = tty->mouse_last_y;
1.61 nicm 911: m->y = y;
1.114 nicm 912: m->lb = tty->mouse_last_b;
1.72 nicm 913: m->b = b;
914: m->sgr_type = sgr_type;
915: m->sgr_b = sgr_b;
1.111 nicm 916:
917: /* Update last mouse state. */
918: tty->mouse_last_x = x;
919: tty->mouse_last_y = y;
1.114 nicm 920: tty->mouse_last_b = b;
1.104 nicm 921:
922: return (0);
923: }
924:
925: /*
926: * Handle OSC 52 clipboard input. Returns 0 for success, -1 for failure, 1 for
927: * partial.
928: */
929: static int
930: tty_keys_clipboard(__unused struct tty *tty, const char *buf, size_t len,
931: size_t *size)
932: {
933: size_t end, terminator, needed;
934: char *copy, *out;
935: int outlen;
936:
937: *size = 0;
938:
1.128 nicm 939: /* First five bytes are always \033]52;. */
1.104 nicm 940: if (buf[0] != '\033')
941: return (-1);
942: if (len == 1)
943: return (1);
944: if (buf[1] != ']')
945: return (-1);
946: if (len == 2)
947: return (1);
948: if (buf[2] != '5')
949: return (-1);
950: if (len == 3)
951: return (1);
952: if (buf[3] != '2')
953: return (-1);
954: if (len == 4)
955: return (1);
956: if (buf[4] != ';')
957: return (-1);
958: if (len == 5)
959: return (1);
960:
961: /* Find the terminator if any. */
962: for (end = 5; end < len; end++) {
963: if (buf[end] == '\007') {
964: terminator = 1;
965: break;
966: }
967: if (end > 5 && buf[end - 1] == '\033' && buf[end] == '\\') {
968: terminator = 2;
969: break;
970: }
971: }
972: if (end == len)
973: return (1);
974: *size = end + terminator;
975:
976: /* Skip the initial part. */
977: buf += 5;
978: end -= 5;
979:
980: /* Get the second argument. */
981: while (end != 0 && *buf != ';') {
982: buf++;
983: end--;
984: }
985: if (end == 0 || end == 1)
986: return (0);
987: buf++;
988: end--;
989:
990: /* It has to be a string so copy it. */
991: copy = xmalloc(end + 1);
992: memcpy(copy, buf, end);
993: copy[end] = '\0';
994:
995: /* Convert from base64. */
996: needed = (end / 4) * 3;
997: out = xmalloc(needed);
998: if ((outlen = b64_pton(copy, out, len)) == -1) {
999: free(out);
1000: free(copy);
1001: return (0);
1002: }
1003: free(copy);
1004:
1005: /* Create a new paste buffer. */
1006: log_debug("%s: %.*s", __func__, outlen, out);
1.108 nicm 1007: paste_add(NULL, out, outlen);
1.91 nicm 1008:
1009: return (0);
1010: }
1011:
1012: /*
1.124 nicm 1013: * Handle secondary device attributes input. Returns 0 for success, -1 for
1014: * failure, 1 for partial.
1.91 nicm 1015: */
1016: static int
1017: tty_keys_device_attributes(struct tty *tty, const char *buf, size_t len,
1018: size_t *size)
1019: {
1.118 nicm 1020: struct client *c = tty->client;
1021: u_int i, n = 0;
1022: char tmp[64], *endptr, p[32] = { 0 }, *cp, *next;
1.91 nicm 1023:
1024: *size = 0;
1.120 nicm 1025: if (tty->flags & TTY_HAVEDA)
1026: return (-1);
1.91 nicm 1027:
1028: /* First three bytes are always \033[?. */
1029: if (buf[0] != '\033')
1030: return (-1);
1031: if (len == 1)
1032: return (1);
1033: if (buf[1] != '[')
1034: return (-1);
1035: if (len == 2)
1036: return (1);
1.124 nicm 1037: if (buf[2] != '>')
1.91 nicm 1038: return (-1);
1039: if (len == 3)
1040: return (1);
1041:
1042: /* Copy the rest up to a 'c'. */
1.128 nicm 1043: for (i = 0; i < (sizeof tmp) - 1; i++) {
1.91 nicm 1044: if (3 + i == len)
1045: return (1);
1.128 nicm 1046: if (buf[3 + i] == 'c')
1047: break;
1.91 nicm 1048: tmp[i] = buf[3 + i];
1049: }
1050: if (i == (sizeof tmp) - 1)
1051: return (-1);
1052: tmp[i] = '\0';
1053: *size = 4 + i;
1054:
1.124 nicm 1055: /* Convert all arguments to numbers. */
1.116 nicm 1056: cp = tmp;
1057: while ((next = strsep(&cp, ";")) != NULL) {
1058: p[n] = strtoul(next, &endptr, 10);
1.117 nicm 1059: if (*endptr != '\0')
1.116 nicm 1060: p[n] = 0;
1061: n++;
1062: }
1.91 nicm 1063:
1.126 nicm 1064: /* Add terminal features. */
1.116 nicm 1065: switch (p[0]) {
1.124 nicm 1066: case 41: /* VT420 */
1.126 nicm 1067: tty_add_features(&c->term_features,
1068: "margins,"
1069: "rectfill",
1070: ",");
1.91 nicm 1071: break;
1.124 nicm 1072: case 'M': /* mintty */
1.126 nicm 1073: tty_add_features(&c->term_features,
1074: "256,"
1075: "RGB,"
1076: "title",
1077: ",");
1.124 nicm 1078: break;
1.126 nicm 1079: case 'T': /* tmux */
1080: tty_add_features(&c->term_features,
1081: "256,"
1082: "RGB,"
1083: "ccolour,"
1084: "cstyle,"
1085: "overline,"
1086: "title,"
1087: "usstyle",
1088: ",");
1.124 nicm 1089: break;
1090: case 'U': /* rxvt-unicode */
1.126 nicm 1091: tty_add_features(&c->term_features,
1092: "256,"
1093: "title",
1094: ",");
1.124 nicm 1095: break;
1.91 nicm 1096: }
1.124 nicm 1097: log_debug("%s: received secondary DA %.*s", c->name, (int)*size, buf);
1.120 nicm 1098:
1.126 nicm 1099: tty_update_features(tty);
1.120 nicm 1100: tty->flags |= TTY_HAVEDA;
1101:
1.119 nicm 1102: return (0);
1103: }
1104:
1105: /*
1.128 nicm 1106: * Handle extended device attributes input. Returns 0 for success, -1 for
1107: * failure, 1 for partial.
1.119 nicm 1108: */
1109: static int
1.128 nicm 1110: tty_keys_extended_device_attributes(struct tty *tty, const char *buf,
1111: size_t len, size_t *size)
1.119 nicm 1112: {
1113: struct client *c = tty->client;
1114: u_int i;
1115: char tmp[64];
1116:
1117: *size = 0;
1.128 nicm 1118: if (tty->flags & TTY_HAVEXDA)
1.120 nicm 1119: return (-1);
1.119 nicm 1120:
1.128 nicm 1121: /* First four bytes are always \033P>|. */
1.119 nicm 1122: if (buf[0] != '\033')
1123: return (-1);
1124: if (len == 1)
1125: return (1);
1.128 nicm 1126: if (buf[1] != 'P')
1.119 nicm 1127: return (-1);
1128: if (len == 2)
1129: return (1);
1.128 nicm 1130: if (buf[2] != '>')
1.120 nicm 1131: return (-1);
1132: if (len == 3)
1133: return (1);
1.128 nicm 1134: if (buf[3] != '|')
1135: return (-1);
1136: if (len == 4)
1137: return (1);
1.119 nicm 1138:
1.128 nicm 1139: /* Copy the rest up to a '\033\\'. */
1140: for (i = 0; i < (sizeof tmp) - 1; i++) {
1141: if (4 + i == len)
1.119 nicm 1142: return (1);
1.128 nicm 1143: if (buf[4 + i - 1] == '\033' && buf[4 + i] == '\\')
1144: break;
1145: tmp[i] = buf[4 + i];
1.119 nicm 1146: }
1147: if (i == (sizeof tmp) - 1)
1148: return (-1);
1.128 nicm 1149: tmp[i - 1] = '\0';
1150: *size = 5 + i;
1.119 nicm 1151:
1.126 nicm 1152: /* Add terminal features. */
1.129 ! nicm 1153: if (strncmp(tmp, "iTerm2 ", 7) == 0) {
1.126 nicm 1154: tty_add_features(&c->term_features,
1155: "256,"
1156: "RGB,"
1157: "clipboard,"
1158: "cstyle,"
1159: "margins,"
1160: "sync,"
1.127 nicm 1161: "title",
1.126 nicm 1162: ",");
1.128 nicm 1163: } else if (strncmp(tmp, "tmux ", 5) == 0) {
1.126 nicm 1164: tty_add_features(&c->term_features,
1165: "256,"
1166: "RGB,"
1167: "ccolour,"
1168: "cstyle,"
1169: "overline,"
1170: "title,"
1171: "usstyle",
1172: ",");
1173: }
1.128 nicm 1174: log_debug("%s: received extended DA %.*s", c->name, (int)*size, buf);
1.120 nicm 1175:
1.126 nicm 1176: tty_update_features(tty);
1.128 nicm 1177: tty->flags |= TTY_HAVEXDA;
1.120 nicm 1178:
1.22 nicm 1179: return (0);
1.1 nicm 1180: }
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