Annotation of src/usr.bin/tmux/tty-keys.c, Revision 1.140
1.140 ! nicm 1: /* $OpenBSD: tty-keys.c,v 1.139 2020/06/02 08:17:27 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:
1.133 nicm 24: #include <ctype.h>
1.35 nicm 25: #include <limits.h>
1.104 nicm 26: #include <resolv.h>
1.35 nicm 27: #include <stdlib.h>
1.1 nicm 28: #include <string.h>
1.3 nicm 29: #include <termios.h>
30: #include <unistd.h>
1.1 nicm 31:
32: #include "tmux.h"
33:
1.9 nicm 34: /*
1.50 nicm 35: * Handle keys input from the outside terminal. tty_default_*_keys[] are a base
36: * table of supported keys which are looked up in terminfo(5) and translated
37: * into a ternary tree.
1.9 nicm 38: */
39:
1.86 nicm 40: static void tty_keys_add1(struct tty_key **, const char *, key_code);
41: static void tty_keys_add(struct tty *, const char *, key_code);
42: static void tty_keys_free1(struct tty_key *);
43: static struct tty_key *tty_keys_find1(struct tty_key *, const char *, size_t,
1.76 nicm 44: size_t *);
1.86 nicm 45: static struct tty_key *tty_keys_find(struct tty *, const char *, size_t,
46: size_t *);
47: static int tty_keys_next1(struct tty *, const char *, size_t, key_code *,
1.87 nicm 48: size_t *, int);
1.86 nicm 49: static void tty_keys_callback(int, short, void *);
1.133 nicm 50: static int tty_keys_extended_key(struct tty *, const char *, size_t,
51: size_t *, key_code *);
1.111 nicm 52: static int tty_keys_mouse(struct tty *, const char *, size_t, size_t *,
53: struct mouse_event *);
1.104 nicm 54: static int tty_keys_clipboard(struct tty *, const char *, size_t,
55: size_t *);
1.91 nicm 56: static int tty_keys_device_attributes(struct tty *, const char *, size_t,
57: size_t *);
1.128 nicm 58: static int tty_keys_extended_device_attributes(struct tty *, const char *,
1.119 nicm 59: size_t, size_t *);
1.1 nicm 60:
1.48 nicm 61: /* Default raw keys. */
62: struct tty_default_key_raw {
1.1 nicm 63: const char *string;
1.76 nicm 64: key_code key;
1.1 nicm 65: };
1.90 nicm 66: static const struct tty_default_key_raw tty_default_raw_keys[] = {
1.125 nicm 67: /* Application escape. */
68: { "\033O[", '\033' },
69:
1.1 nicm 70: /*
1.8 nicm 71: * Numeric keypad. Just use the vt100 escape sequences here and always
72: * put the terminal into keypad_xmit mode. Translation of numbers
73: * mode/applications mode is done in input-keys.c.
1.1 nicm 74: */
1.132 nicm 75: { "\033Oo", KEYC_KP_SLASH|KEYC_KEYPAD },
76: { "\033Oj", KEYC_KP_STAR|KEYC_KEYPAD },
77: { "\033Om", KEYC_KP_MINUS|KEYC_KEYPAD },
78: { "\033Ow", KEYC_KP_SEVEN|KEYC_KEYPAD },
79: { "\033Ox", KEYC_KP_EIGHT|KEYC_KEYPAD },
80: { "\033Oy", KEYC_KP_NINE|KEYC_KEYPAD },
81: { "\033Ok", KEYC_KP_PLUS|KEYC_KEYPAD },
82: { "\033Ot", KEYC_KP_FOUR|KEYC_KEYPAD },
83: { "\033Ou", KEYC_KP_FIVE|KEYC_KEYPAD },
84: { "\033Ov", KEYC_KP_SIX|KEYC_KEYPAD },
85: { "\033Oq", KEYC_KP_ONE|KEYC_KEYPAD },
86: { "\033Or", KEYC_KP_TWO|KEYC_KEYPAD },
87: { "\033Os", KEYC_KP_THREE|KEYC_KEYPAD },
88: { "\033OM", KEYC_KP_ENTER|KEYC_KEYPAD },
89: { "\033Op", KEYC_KP_ZERO|KEYC_KEYPAD },
90: { "\033On", KEYC_KP_PERIOD|KEYC_KEYPAD },
1.10 nicm 91:
1.29 nicm 92: /* Arrow keys. */
1.132 nicm 93: { "\033OA", KEYC_UP|KEYC_CURSOR },
94: { "\033OB", KEYC_DOWN|KEYC_CURSOR },
95: { "\033OC", KEYC_RIGHT|KEYC_CURSOR },
96: { "\033OD", KEYC_LEFT|KEYC_CURSOR },
97:
1.140 ! nicm 98: { "\033\033OA", KEYC_UP|KEYC_CURSOR|KEYC_META|KEYC_IMPLIED_META },
! 99: { "\033\033OB", KEYC_DOWN|KEYC_CURSOR|KEYC_META|KEYC_IMPLIED_META },
! 100: { "\033\033OC", KEYC_RIGHT|KEYC_CURSOR|KEYC_META|KEYC_IMPLIED_META },
! 101: { "\033\033OD", KEYC_LEFT|KEYC_CURSOR|KEYC_META|KEYC_IMPLIED_META },
! 102:
1.132 nicm 103: { "\033[A", KEYC_UP|KEYC_CURSOR },
104: { "\033[B", KEYC_DOWN|KEYC_CURSOR },
105: { "\033[C", KEYC_RIGHT|KEYC_CURSOR },
106: { "\033[D", KEYC_LEFT|KEYC_CURSOR },
1.57 nicm 107:
1.140 ! nicm 108: { "\033\033[A", KEYC_UP|KEYC_CURSOR|KEYC_META|KEYC_IMPLIED_META },
! 109: { "\033\033[B", KEYC_DOWN|KEYC_CURSOR|KEYC_META|KEYC_IMPLIED_META },
! 110: { "\033\033[C", KEYC_RIGHT|KEYC_CURSOR|KEYC_META|KEYC_IMPLIED_META },
! 111: { "\033\033[D", KEYC_LEFT|KEYC_CURSOR|KEYC_META|KEYC_IMPLIED_META },
! 112:
1.57 nicm 113: /* Other (xterm) "cursor" keys. */
114: { "\033OH", KEYC_HOME },
115: { "\033OF", KEYC_END },
116:
1.140 ! nicm 117: { "\033\033OH", KEYC_HOME|KEYC_META|KEYC_IMPLIED_META },
! 118: { "\033\033OF", KEYC_END|KEYC_META|KEYC_IMPLIED_META },
! 119:
1.57 nicm 120: { "\033[H", KEYC_HOME },
121: { "\033[F", KEYC_END },
1.140 ! nicm 122:
! 123: { "\033\033[H", KEYC_HOME|KEYC_META|KEYC_IMPLIED_META },
! 124: { "\033\033[F", KEYC_END|KEYC_META|KEYC_IMPLIED_META },
1.21 nicm 125:
126: /* rxvt-style arrow + modifier keys. */
1.48 nicm 127: { "\033Oa", KEYC_UP|KEYC_CTRL },
128: { "\033Ob", KEYC_DOWN|KEYC_CTRL },
129: { "\033Oc", KEYC_RIGHT|KEYC_CTRL },
130: { "\033Od", KEYC_LEFT|KEYC_CTRL },
131:
132: { "\033[a", KEYC_UP|KEYC_SHIFT },
133: { "\033[b", KEYC_DOWN|KEYC_SHIFT },
134: { "\033[c", KEYC_RIGHT|KEYC_SHIFT },
135: { "\033[d", KEYC_LEFT|KEYC_SHIFT },
136:
137: /* rxvt-style function + modifier keys (C = ^, S = $, C-S = @). */
138: { "\033[11^", KEYC_F1|KEYC_CTRL },
139: { "\033[12^", KEYC_F2|KEYC_CTRL },
140: { "\033[13^", KEYC_F3|KEYC_CTRL },
141: { "\033[14^", KEYC_F4|KEYC_CTRL },
142: { "\033[15^", KEYC_F5|KEYC_CTRL },
143: { "\033[17^", KEYC_F6|KEYC_CTRL },
144: { "\033[18^", KEYC_F7|KEYC_CTRL },
145: { "\033[19^", KEYC_F8|KEYC_CTRL },
146: { "\033[20^", KEYC_F9|KEYC_CTRL },
147: { "\033[21^", KEYC_F10|KEYC_CTRL },
148: { "\033[23^", KEYC_F11|KEYC_CTRL },
149: { "\033[24^", KEYC_F12|KEYC_CTRL },
150: { "\033[2^", KEYC_IC|KEYC_CTRL },
151: { "\033[3^", KEYC_DC|KEYC_CTRL },
152: { "\033[7^", KEYC_HOME|KEYC_CTRL },
153: { "\033[8^", KEYC_END|KEYC_CTRL },
154: { "\033[6^", KEYC_NPAGE|KEYC_CTRL },
155: { "\033[5^", KEYC_PPAGE|KEYC_CTRL },
156:
157: { "\033[11$", KEYC_F1|KEYC_SHIFT },
158: { "\033[12$", KEYC_F2|KEYC_SHIFT },
159: { "\033[13$", KEYC_F3|KEYC_SHIFT },
160: { "\033[14$", KEYC_F4|KEYC_SHIFT },
161: { "\033[15$", KEYC_F5|KEYC_SHIFT },
162: { "\033[17$", KEYC_F6|KEYC_SHIFT },
163: { "\033[18$", KEYC_F7|KEYC_SHIFT },
164: { "\033[19$", KEYC_F8|KEYC_SHIFT },
165: { "\033[20$", KEYC_F9|KEYC_SHIFT },
166: { "\033[21$", KEYC_F10|KEYC_SHIFT },
167: { "\033[23$", KEYC_F11|KEYC_SHIFT },
168: { "\033[24$", KEYC_F12|KEYC_SHIFT },
169: { "\033[2$", KEYC_IC|KEYC_SHIFT },
170: { "\033[3$", KEYC_DC|KEYC_SHIFT },
171: { "\033[7$", KEYC_HOME|KEYC_SHIFT },
172: { "\033[8$", KEYC_END|KEYC_SHIFT },
173: { "\033[6$", KEYC_NPAGE|KEYC_SHIFT },
174: { "\033[5$", KEYC_PPAGE|KEYC_SHIFT },
175:
176: { "\033[11@", KEYC_F1|KEYC_CTRL|KEYC_SHIFT },
177: { "\033[12@", KEYC_F2|KEYC_CTRL|KEYC_SHIFT },
178: { "\033[13@", KEYC_F3|KEYC_CTRL|KEYC_SHIFT },
179: { "\033[14@", KEYC_F4|KEYC_CTRL|KEYC_SHIFT },
180: { "\033[15@", KEYC_F5|KEYC_CTRL|KEYC_SHIFT },
181: { "\033[17@", KEYC_F6|KEYC_CTRL|KEYC_SHIFT },
182: { "\033[18@", KEYC_F7|KEYC_CTRL|KEYC_SHIFT },
183: { "\033[19@", KEYC_F8|KEYC_CTRL|KEYC_SHIFT },
184: { "\033[20@", KEYC_F9|KEYC_CTRL|KEYC_SHIFT },
185: { "\033[21@", KEYC_F10|KEYC_CTRL|KEYC_SHIFT },
186: { "\033[23@", KEYC_F11|KEYC_CTRL|KEYC_SHIFT },
187: { "\033[24@", KEYC_F12|KEYC_CTRL|KEYC_SHIFT },
188: { "\033[2@", KEYC_IC|KEYC_CTRL|KEYC_SHIFT },
189: { "\033[3@", KEYC_DC|KEYC_CTRL|KEYC_SHIFT },
190: { "\033[7@", KEYC_HOME|KEYC_CTRL|KEYC_SHIFT },
191: { "\033[8@", KEYC_END|KEYC_CTRL|KEYC_SHIFT },
192: { "\033[6@", KEYC_NPAGE|KEYC_CTRL|KEYC_SHIFT },
193: { "\033[5@", KEYC_PPAGE|KEYC_CTRL|KEYC_SHIFT },
1.56 nicm 194:
195: /* Focus tracking. */
196: { "\033[I", KEYC_FOCUS_IN },
197: { "\033[O", KEYC_FOCUS_OUT },
1.98 nicm 198:
199: /* Paste keys. */
200: { "\033[200~", KEYC_PASTE_START },
201: { "\033[201~", KEYC_PASTE_END },
1.48 nicm 202: };
1.29 nicm 203:
1.132 nicm 204: /* Default xterm keys. */
205: struct tty_default_key_xterm {
206: const char *template;
207: key_code key;
208: };
209: static const struct tty_default_key_xterm tty_default_xterm_keys[] = {
210: { "\033[1;_P", KEYC_F1 },
211: { "\033O1;_P", KEYC_F1 },
212: { "\033O_P", KEYC_F1 },
213: { "\033[1;_Q", KEYC_F2 },
214: { "\033O1;_Q", KEYC_F2 },
215: { "\033O_Q", KEYC_F2 },
216: { "\033[1;_R", KEYC_F3 },
217: { "\033O1;_R", KEYC_F3 },
218: { "\033O_R", KEYC_F3 },
219: { "\033[1;_S", KEYC_F4 },
220: { "\033O1;_S", KEYC_F4 },
221: { "\033O_S", KEYC_F4 },
222: { "\033[15;_~", KEYC_F5 },
223: { "\033[17;_~", KEYC_F6 },
224: { "\033[18;_~", KEYC_F7 },
225: { "\033[19;_~", KEYC_F8 },
226: { "\033[20;_~", KEYC_F9 },
227: { "\033[21;_~", KEYC_F10 },
228: { "\033[23;_~", KEYC_F11 },
229: { "\033[24;_~", KEYC_F12 },
230: { "\033[1;_A", KEYC_UP },
231: { "\033[1;_B", KEYC_DOWN },
232: { "\033[1;_C", KEYC_RIGHT },
233: { "\033[1;_D", KEYC_LEFT },
234: { "\033[1;_H", KEYC_HOME },
235: { "\033[1;_F", KEYC_END },
236: { "\033[5;_~", KEYC_PPAGE },
237: { "\033[6;_~", KEYC_NPAGE },
238: { "\033[2;_~", KEYC_IC },
239: { "\033[3;_~", KEYC_DC },
240: };
241: static const key_code tty_default_xterm_modifiers[] = {
242: 0,
243: 0,
1.135 nicm 244: KEYC_SHIFT,
245: KEYC_META|KEYC_IMPLIED_META,
246: KEYC_SHIFT|KEYC_META|KEYC_IMPLIED_META,
247: KEYC_CTRL,
248: KEYC_SHIFT|KEYC_CTRL,
249: KEYC_META|KEYC_IMPLIED_META|KEYC_CTRL,
250: KEYC_SHIFT|KEYC_META|KEYC_IMPLIED_META|KEYC_CTRL
1.132 nicm 251: };
252:
1.103 nicm 253: /*
1.132 nicm 254: * Default terminfo(5) keys. Any keys that have builtin modifiers (that is,
255: * where the key itself contains the modifiers) has the KEYC_XTERM flag set so
256: * a leading escape is not treated as meta (and probably removed).
1.103 nicm 257: */
1.48 nicm 258: struct tty_default_key_code {
259: enum tty_code_code code;
1.76 nicm 260: key_code key;
1.48 nicm 261: };
1.90 nicm 262: static const struct tty_default_key_code tty_default_code_keys[] = {
1.29 nicm 263: /* Function keys. */
1.48 nicm 264: { TTYC_KF1, KEYC_F1 },
265: { TTYC_KF2, KEYC_F2 },
266: { TTYC_KF3, KEYC_F3 },
267: { TTYC_KF4, KEYC_F4 },
268: { TTYC_KF5, KEYC_F5 },
269: { TTYC_KF6, KEYC_F6 },
270: { TTYC_KF7, KEYC_F7 },
271: { TTYC_KF8, KEYC_F8 },
272: { TTYC_KF9, KEYC_F9 },
273: { TTYC_KF10, KEYC_F10 },
274: { TTYC_KF11, KEYC_F11 },
275: { TTYC_KF12, KEYC_F12 },
1.70 nicm 276:
1.135 nicm 277: { TTYC_KF13, KEYC_F1|KEYC_SHIFT },
278: { TTYC_KF14, KEYC_F2|KEYC_SHIFT },
279: { TTYC_KF15, KEYC_F3|KEYC_SHIFT },
280: { TTYC_KF16, KEYC_F4|KEYC_SHIFT },
281: { TTYC_KF17, KEYC_F5|KEYC_SHIFT },
282: { TTYC_KF18, KEYC_F6|KEYC_SHIFT },
283: { TTYC_KF19, KEYC_F7|KEYC_SHIFT },
284: { TTYC_KF20, KEYC_F8|KEYC_SHIFT },
285: { TTYC_KF21, KEYC_F9|KEYC_SHIFT },
286: { TTYC_KF22, KEYC_F10|KEYC_SHIFT },
287: { TTYC_KF23, KEYC_F11|KEYC_SHIFT },
288: { TTYC_KF24, KEYC_F12|KEYC_SHIFT },
289:
290: { TTYC_KF25, KEYC_F1|KEYC_CTRL },
291: { TTYC_KF26, KEYC_F2|KEYC_CTRL },
292: { TTYC_KF27, KEYC_F3|KEYC_CTRL },
293: { TTYC_KF28, KEYC_F4|KEYC_CTRL },
294: { TTYC_KF29, KEYC_F5|KEYC_CTRL },
295: { TTYC_KF30, KEYC_F6|KEYC_CTRL },
296: { TTYC_KF31, KEYC_F7|KEYC_CTRL },
297: { TTYC_KF32, KEYC_F8|KEYC_CTRL },
298: { TTYC_KF33, KEYC_F9|KEYC_CTRL },
299: { TTYC_KF34, KEYC_F10|KEYC_CTRL },
300: { TTYC_KF35, KEYC_F11|KEYC_CTRL },
301: { TTYC_KF36, KEYC_F12|KEYC_CTRL },
302:
303: { TTYC_KF37, KEYC_F1|KEYC_SHIFT|KEYC_CTRL },
304: { TTYC_KF38, KEYC_F2|KEYC_SHIFT|KEYC_CTRL },
305: { TTYC_KF39, KEYC_F3|KEYC_SHIFT|KEYC_CTRL },
306: { TTYC_KF40, KEYC_F4|KEYC_SHIFT|KEYC_CTRL },
307: { TTYC_KF41, KEYC_F5|KEYC_SHIFT|KEYC_CTRL },
308: { TTYC_KF42, KEYC_F6|KEYC_SHIFT|KEYC_CTRL },
309: { TTYC_KF43, KEYC_F7|KEYC_SHIFT|KEYC_CTRL },
310: { TTYC_KF44, KEYC_F8|KEYC_SHIFT|KEYC_CTRL },
311: { TTYC_KF45, KEYC_F9|KEYC_SHIFT|KEYC_CTRL },
312: { TTYC_KF46, KEYC_F10|KEYC_SHIFT|KEYC_CTRL },
313: { TTYC_KF47, KEYC_F11|KEYC_SHIFT|KEYC_CTRL },
314: { TTYC_KF48, KEYC_F12|KEYC_SHIFT|KEYC_CTRL },
315:
316: { TTYC_KF49, KEYC_F1|KEYC_META|KEYC_IMPLIED_META },
317: { TTYC_KF50, KEYC_F2|KEYC_META|KEYC_IMPLIED_META },
318: { TTYC_KF51, KEYC_F3|KEYC_META|KEYC_IMPLIED_META },
319: { TTYC_KF52, KEYC_F4|KEYC_META|KEYC_IMPLIED_META },
320: { TTYC_KF53, KEYC_F5|KEYC_META|KEYC_IMPLIED_META },
321: { TTYC_KF54, KEYC_F6|KEYC_META|KEYC_IMPLIED_META },
322: { TTYC_KF55, KEYC_F7|KEYC_META|KEYC_IMPLIED_META },
323: { TTYC_KF56, KEYC_F8|KEYC_META|KEYC_IMPLIED_META },
324: { TTYC_KF57, KEYC_F9|KEYC_META|KEYC_IMPLIED_META },
325: { TTYC_KF58, KEYC_F10|KEYC_META|KEYC_IMPLIED_META },
326: { TTYC_KF59, KEYC_F11|KEYC_META|KEYC_IMPLIED_META },
327: { TTYC_KF60, KEYC_F12|KEYC_META|KEYC_IMPLIED_META },
328:
329: { TTYC_KF61, KEYC_F1|KEYC_META|KEYC_IMPLIED_META|KEYC_SHIFT },
330: { TTYC_KF62, KEYC_F2|KEYC_META|KEYC_IMPLIED_META|KEYC_SHIFT },
331: { TTYC_KF63, KEYC_F3|KEYC_META|KEYC_IMPLIED_META|KEYC_SHIFT },
1.70 nicm 332:
1.48 nicm 333: { TTYC_KICH1, KEYC_IC },
334: { TTYC_KDCH1, KEYC_DC },
335: { TTYC_KHOME, KEYC_HOME },
336: { TTYC_KEND, KEYC_END },
337: { TTYC_KNP, KEYC_NPAGE },
338: { TTYC_KPP, KEYC_PPAGE },
339: { TTYC_KCBT, KEYC_BTAB },
1.29 nicm 340:
341: /* Arrow keys from terminfo. */
1.132 nicm 342: { TTYC_KCUU1, KEYC_UP|KEYC_CURSOR },
343: { TTYC_KCUD1, KEYC_DOWN|KEYC_CURSOR },
344: { TTYC_KCUB1, KEYC_LEFT|KEYC_CURSOR },
345: { TTYC_KCUF1, KEYC_RIGHT|KEYC_CURSOR },
1.29 nicm 346:
1.103 nicm 347: /* Key and modifier capabilities. */
1.135 nicm 348: { TTYC_KDC2, KEYC_DC|KEYC_SHIFT },
349: { TTYC_KDC3, KEYC_DC|KEYC_META|KEYC_IMPLIED_META },
350: { TTYC_KDC4, KEYC_DC|KEYC_SHIFT|KEYC_META|KEYC_IMPLIED_META },
351: { TTYC_KDC5, KEYC_DC|KEYC_CTRL },
352: { TTYC_KDC6, KEYC_DC|KEYC_SHIFT|KEYC_CTRL },
353: { TTYC_KDC7, KEYC_DC|KEYC_META|KEYC_IMPLIED_META|KEYC_CTRL },
354: { TTYC_KIND, KEYC_DOWN|KEYC_SHIFT },
355: { TTYC_KDN2, KEYC_DOWN|KEYC_SHIFT },
356: { TTYC_KDN3, KEYC_DOWN|KEYC_META|KEYC_IMPLIED_META },
357: { TTYC_KDN4, KEYC_DOWN|KEYC_SHIFT|KEYC_META|KEYC_IMPLIED_META },
358: { TTYC_KDN5, KEYC_DOWN|KEYC_CTRL },
359: { TTYC_KDN6, KEYC_DOWN|KEYC_SHIFT|KEYC_CTRL },
360: { TTYC_KDN7, KEYC_DOWN|KEYC_META|KEYC_IMPLIED_META|KEYC_CTRL },
361: { TTYC_KEND2, KEYC_END|KEYC_SHIFT },
362: { TTYC_KEND3, KEYC_END|KEYC_META|KEYC_IMPLIED_META },
363: { TTYC_KEND4, KEYC_END|KEYC_SHIFT|KEYC_META|KEYC_IMPLIED_META },
364: { TTYC_KEND5, KEYC_END|KEYC_CTRL },
365: { TTYC_KEND6, KEYC_END|KEYC_SHIFT|KEYC_CTRL },
366: { TTYC_KEND7, KEYC_END|KEYC_META|KEYC_IMPLIED_META|KEYC_CTRL },
367: { TTYC_KHOM2, KEYC_HOME|KEYC_SHIFT },
368: { TTYC_KHOM3, KEYC_HOME|KEYC_META|KEYC_IMPLIED_META },
369: { TTYC_KHOM4, KEYC_HOME|KEYC_SHIFT|KEYC_META|KEYC_IMPLIED_META },
370: { TTYC_KHOM5, KEYC_HOME|KEYC_CTRL },
371: { TTYC_KHOM6, KEYC_HOME|KEYC_SHIFT|KEYC_CTRL },
372: { TTYC_KHOM7, KEYC_HOME|KEYC_META|KEYC_IMPLIED_META|KEYC_CTRL },
373: { TTYC_KIC2, KEYC_IC|KEYC_SHIFT },
374: { TTYC_KIC3, KEYC_IC|KEYC_META|KEYC_IMPLIED_META },
375: { TTYC_KIC4, KEYC_IC|KEYC_SHIFT|KEYC_META|KEYC_IMPLIED_META },
376: { TTYC_KIC5, KEYC_IC|KEYC_CTRL },
377: { TTYC_KIC6, KEYC_IC|KEYC_SHIFT|KEYC_CTRL },
378: { TTYC_KIC7, KEYC_IC|KEYC_META|KEYC_IMPLIED_META|KEYC_CTRL },
379: { TTYC_KLFT2, KEYC_LEFT|KEYC_SHIFT },
380: { TTYC_KLFT3, KEYC_LEFT|KEYC_META|KEYC_IMPLIED_META },
381: { TTYC_KLFT4, KEYC_LEFT|KEYC_SHIFT|KEYC_META|KEYC_IMPLIED_META },
382: { TTYC_KLFT5, KEYC_LEFT|KEYC_CTRL },
383: { TTYC_KLFT6, KEYC_LEFT|KEYC_SHIFT|KEYC_CTRL },
384: { TTYC_KLFT7, KEYC_LEFT|KEYC_META|KEYC_IMPLIED_META|KEYC_CTRL },
385: { TTYC_KNXT2, KEYC_NPAGE|KEYC_SHIFT },
386: { TTYC_KNXT3, KEYC_NPAGE|KEYC_META|KEYC_IMPLIED_META },
387: { TTYC_KNXT4, KEYC_NPAGE|KEYC_SHIFT|KEYC_META|KEYC_IMPLIED_META },
388: { TTYC_KNXT5, KEYC_NPAGE|KEYC_CTRL },
389: { TTYC_KNXT6, KEYC_NPAGE|KEYC_SHIFT|KEYC_CTRL },
390: { TTYC_KNXT7, KEYC_NPAGE|KEYC_META|KEYC_IMPLIED_META|KEYC_CTRL },
391: { TTYC_KPRV2, KEYC_PPAGE|KEYC_SHIFT },
392: { TTYC_KPRV3, KEYC_PPAGE|KEYC_META|KEYC_IMPLIED_META },
393: { TTYC_KPRV4, KEYC_PPAGE|KEYC_SHIFT|KEYC_META|KEYC_IMPLIED_META },
394: { TTYC_KPRV5, KEYC_PPAGE|KEYC_CTRL },
395: { TTYC_KPRV6, KEYC_PPAGE|KEYC_SHIFT|KEYC_CTRL },
396: { TTYC_KPRV7, KEYC_PPAGE|KEYC_META|KEYC_IMPLIED_META|KEYC_CTRL },
397: { TTYC_KRIT2, KEYC_RIGHT|KEYC_SHIFT },
398: { TTYC_KRIT3, KEYC_RIGHT|KEYC_META|KEYC_IMPLIED_META },
399: { TTYC_KRIT4, KEYC_RIGHT|KEYC_SHIFT|KEYC_META|KEYC_IMPLIED_META },
400: { TTYC_KRIT5, KEYC_RIGHT|KEYC_CTRL },
401: { TTYC_KRIT6, KEYC_RIGHT|KEYC_SHIFT|KEYC_CTRL },
402: { TTYC_KRIT7, KEYC_RIGHT|KEYC_META|KEYC_IMPLIED_META|KEYC_CTRL },
403: { TTYC_KRI, KEYC_UP|KEYC_SHIFT },
404: { TTYC_KUP2, KEYC_UP|KEYC_SHIFT },
405: { TTYC_KUP3, KEYC_UP|KEYC_META|KEYC_IMPLIED_META },
406: { TTYC_KUP4, KEYC_UP|KEYC_SHIFT|KEYC_META|KEYC_IMPLIED_META },
407: { TTYC_KUP5, KEYC_UP|KEYC_CTRL },
408: { TTYC_KUP6, KEYC_UP|KEYC_SHIFT|KEYC_CTRL },
409: { TTYC_KUP7, KEYC_UP|KEYC_META|KEYC_IMPLIED_META|KEYC_CTRL },
1.1 nicm 410: };
411:
1.48 nicm 412: /* Add key to tree. */
1.86 nicm 413: static void
1.76 nicm 414: tty_keys_add(struct tty *tty, const char *s, key_code key)
1.16 nicm 415: {
1.29 nicm 416: struct tty_key *tk;
417: size_t size;
418: const char *keystr;
1.1 nicm 419:
1.135 nicm 420: keystr = key_string_lookup_key(key, 1);
1.29 nicm 421: if ((tk = tty_keys_find(tty, s, strlen(s), &size)) == NULL) {
1.76 nicm 422: log_debug("new key %s: 0x%llx (%s)", s, key, keystr);
1.16 nicm 423: tty_keys_add1(&tty->key_tree, s, key);
1.29 nicm 424: } else {
1.76 nicm 425: log_debug("replacing key %s: 0x%llx (%s)", s, key, keystr);
1.29 nicm 426: tk->key = key;
1.16 nicm 427: }
1.1 nicm 428: }
429:
1.16 nicm 430: /* Add next node to the tree. */
1.86 nicm 431: static void
1.76 nicm 432: tty_keys_add1(struct tty_key **tkp, const char *s, key_code key)
1.1 nicm 433: {
1.16 nicm 434: struct tty_key *tk;
1.1 nicm 435:
1.16 nicm 436: /* Allocate a tree entry if there isn't one already. */
437: tk = *tkp;
438: if (tk == NULL) {
439: tk = *tkp = xcalloc(1, sizeof *tk);
440: tk->ch = *s;
1.83 nicm 441: tk->key = KEYC_UNKNOWN;
1.16 nicm 442: }
443:
444: /* Find the next entry. */
445: if (*s == tk->ch) {
446: /* Move forward in string. */
447: s++;
448:
449: /* If this is the end of the string, no more is necessary. */
450: if (*s == '\0') {
451: tk->key = key;
452: return;
453: }
454:
455: /* Use the child tree for the next character. */
456: tkp = &tk->next;
1.27 nicm 457: } else {
1.16 nicm 458: if (*s < tk->ch)
459: tkp = &tk->left;
460: else if (*s > tk->ch)
461: tkp = &tk->right;
462: }
463:
464: /* And recurse to add it. */
465: tty_keys_add1(tkp, s, key);
1.1 nicm 466: }
467:
1.16 nicm 468: /* Initialise a key tree from the table. */
1.1 nicm 469: void
1.48 nicm 470: tty_keys_build(struct tty *tty)
1.1 nicm 471: {
1.48 nicm 472: const struct tty_default_key_raw *tdkr;
1.132 nicm 473: const struct tty_default_key_xterm *tdkx;
1.48 nicm 474: const struct tty_default_key_code *tdkc;
1.132 nicm 475: u_int i, j;
1.109 nicm 476: const char *s;
1.99 nicm 477: struct options_entry *o;
1.107 nicm 478: struct options_array_item *a;
1.109 nicm 479: union options_value *ov;
1.132 nicm 480: char copy[16];
481: key_code key;
1.1 nicm 482:
1.48 nicm 483: if (tty->key_tree != NULL)
1.71 nicm 484: tty_keys_free(tty);
1.16 nicm 485: tty->key_tree = NULL;
1.1 nicm 486:
1.132 nicm 487: for (i = 0; i < nitems(tty_default_xterm_keys); i++) {
488: tdkx = &tty_default_xterm_keys[i];
489: for (j = 2; j < nitems(tty_default_xterm_modifiers); j++) {
490: strlcpy(copy, tdkx->template, sizeof copy);
491: copy[strcspn(copy, "_")] = '0' + j;
492:
493: key = tdkx->key|tty_default_xterm_modifiers[j];
494: tty_keys_add(tty, copy, key);
495: }
496: }
1.48 nicm 497: for (i = 0; i < nitems(tty_default_raw_keys); i++) {
498: tdkr = &tty_default_raw_keys[i];
499:
500: s = tdkr->string;
1.51 nicm 501: if (*s != '\0')
502: tty_keys_add(tty, s, tdkr->key);
1.48 nicm 503: }
504: for (i = 0; i < nitems(tty_default_code_keys); i++) {
505: tdkc = &tty_default_code_keys[i];
506:
507: s = tty_term_string(tty->term, tdkc->code);
1.51 nicm 508: if (*s != '\0')
509: tty_keys_add(tty, s, tdkc->key);
1.1 nicm 510:
1.99 nicm 511: }
512:
513: o = options_get(global_options, "user-keys");
1.107 nicm 514: if (o != NULL) {
515: a = options_array_first(o);
516: while (a != NULL) {
1.112 nicm 517: i = options_array_item_index(a);
1.109 nicm 518: ov = options_array_item_value(a);
1.110 nicm 519: tty_keys_add(tty, ov->string, KEYC_USER + i);
1.107 nicm 520: a = options_array_next(a);
1.99 nicm 521: }
1.1 nicm 522: }
523: }
524:
1.16 nicm 525: /* Free the entire key tree. */
1.1 nicm 526: void
527: tty_keys_free(struct tty *tty)
528: {
1.16 nicm 529: tty_keys_free1(tty->key_tree);
530: }
1.1 nicm 531:
1.16 nicm 532: /* Free a single key. */
1.86 nicm 533: static void
1.16 nicm 534: tty_keys_free1(struct tty_key *tk)
535: {
536: if (tk->next != NULL)
537: tty_keys_free1(tk->next);
538: if (tk->left != NULL)
539: tty_keys_free1(tk->left);
540: if (tk->right != NULL)
541: tty_keys_free1(tk->right);
1.42 nicm 542: free(tk);
1.1 nicm 543: }
544:
1.16 nicm 545: /* Lookup a key in the tree. */
1.86 nicm 546: static struct tty_key *
1.16 nicm 547: tty_keys_find(struct tty *tty, const char *buf, size_t len, size_t *size)
1.1 nicm 548: {
1.16 nicm 549: *size = 0;
550: return (tty_keys_find1(tty->key_tree, buf, len, size));
551: }
1.1 nicm 552:
1.16 nicm 553: /* Find the next node. */
1.86 nicm 554: static struct tty_key *
1.16 nicm 555: tty_keys_find1(struct tty_key *tk, const char *buf, size_t len, size_t *size)
556: {
1.106 nicm 557: /* If no data, no match. */
558: if (len == 0)
559: return (NULL);
560:
1.16 nicm 561: /* If the node is NULL, this is the end of the tree. No match. */
562: if (tk == NULL)
1.1 nicm 563: return (NULL);
564:
1.16 nicm 565: /* Pick the next in the sequence. */
566: if (tk->ch == *buf) {
567: /* Move forward in the string. */
568: buf++; len--;
569: (*size)++;
1.1 nicm 570:
1.16 nicm 571: /* At the end of the string, return the current node. */
1.83 nicm 572: if (len == 0 || (tk->next == NULL && tk->key != KEYC_UNKNOWN))
1.16 nicm 573: return (tk);
1.1 nicm 574:
1.16 nicm 575: /* Move into the next tree for the following character. */
576: tk = tk->next;
577: } else {
578: if (*buf < tk->ch)
579: tk = tk->left;
580: else if (*buf > tk->ch)
581: tk = tk->right;
1.1 nicm 582: }
583:
1.16 nicm 584: /* Move to the next in the tree. */
585: return (tty_keys_find1(tk, buf, len, size));
1.1 nicm 586: }
587:
1.86 nicm 588: /* Look up part of the next key. */
589: static int
590: tty_keys_next1(struct tty *tty, const char *buf, size_t len, key_code *key,
1.87 nicm 591: size_t *size, int expired)
1.86 nicm 592: {
1.94 nicm 593: struct client *c = tty->client;
1.86 nicm 594: struct tty_key *tk, *tk1;
595: struct utf8_data ud;
596: enum utf8_state more;
1.138 nicm 597: utf8_char uc;
1.86 nicm 598: u_int i;
599:
1.94 nicm 600: log_debug("%s: next key is %zu (%.*s) (expired=%d)", c->name, len,
601: (int)len, buf, expired);
1.86 nicm 602:
603: /* Is this a known key? */
604: tk = tty_keys_find(tty, buf, len, size);
1.87 nicm 605: if (tk != NULL && tk->key != KEYC_UNKNOWN) {
1.86 nicm 606: tk1 = tk;
607: do
1.94 nicm 608: log_debug("%s: keys in list: %#llx", c->name, tk1->key);
1.86 nicm 609: while ((tk1 = tk1->next) != NULL);
1.87 nicm 610: if (tk->next != NULL && !expired)
611: return (1);
1.86 nicm 612: *key = tk->key;
1.87 nicm 613: return (0);
1.86 nicm 614: }
1.97 nicm 615:
1.86 nicm 616: /* Is this valid UTF-8? */
617: more = utf8_open(&ud, (u_char)*buf);
618: if (more == UTF8_MORE) {
619: *size = ud.size;
1.87 nicm 620: if (len < ud.size) {
621: if (!expired)
622: return (1);
623: return (-1);
624: }
1.86 nicm 625: for (i = 1; i < ud.size; i++)
626: more = utf8_append(&ud, (u_char)buf[i]);
627: if (more != UTF8_DONE)
1.87 nicm 628: return (-1);
1.86 nicm 629:
1.138 nicm 630: if (utf8_from_data(&ud, &uc) != UTF8_DONE)
1.87 nicm 631: return (-1);
1.138 nicm 632: *key = uc;
1.86 nicm 633:
1.94 nicm 634: log_debug("%s: UTF-8 key %.*s %#llx", c->name, (int)ud.size,
1.138 nicm 635: ud.data, *key);
1.86 nicm 636: return (0);
637: }
638:
639: return (-1);
640: }
641:
1.111 nicm 642: /* Process at least one key in the buffer. Return 0 if no keys present. */
643: int
1.14 nicm 644: tty_keys_next(struct tty *tty)
1.1 nicm 645: {
1.111 nicm 646: struct client *c = tty->client;
647: struct timeval tv;
648: const char *buf;
649: size_t len, size;
650: cc_t bspace;
651: int delay, expired = 0, n;
652: key_code key;
653: struct mouse_event m = { 0 };
654: struct key_event *event;
1.1 nicm 655:
1.51 nicm 656: /* Get key buffer. */
1.93 nicm 657: buf = EVBUFFER_DATA(tty->in);
658: len = EVBUFFER_LENGTH(tty->in);
1.1 nicm 659: if (len == 0)
1.14 nicm 660: return (0);
1.94 nicm 661: log_debug("%s: keys are %zu (%.*s)", c->name, len, (int)len, buf);
1.1 nicm 662:
1.104 nicm 663: /* Is this a clipboard response? */
664: switch (tty_keys_clipboard(tty, buf, len, &size)) {
665: case 0: /* yes */
666: key = KEYC_UNKNOWN;
667: goto complete_key;
668: case -1: /* no, or not valid */
669: break;
670: case 1: /* partial */
671: goto partial_key;
672: }
673:
1.91 nicm 674: /* Is this a device attributes response? */
675: switch (tty_keys_device_attributes(tty, buf, len, &size)) {
676: case 0: /* yes */
677: key = KEYC_UNKNOWN;
678: goto complete_key;
679: case -1: /* no, or not valid */
680: break;
681: case 1: /* partial */
682: goto partial_key;
683: }
684:
1.128 nicm 685: /* Is this an extended device attributes response? */
686: switch (tty_keys_extended_device_attributes(tty, buf, len, &size)) {
1.119 nicm 687: case 0: /* yes */
688: key = KEYC_UNKNOWN;
689: goto complete_key;
690: case -1: /* no, or not valid */
691: break;
692: case 1: /* partial */
693: goto partial_key;
694: }
695:
1.26 nicm 696: /* Is this a mouse key press? */
1.111 nicm 697: switch (tty_keys_mouse(tty, buf, len, &size, &m)) {
1.22 nicm 698: case 0: /* yes */
699: key = KEYC_MOUSE;
1.51 nicm 700: goto complete_key;
1.22 nicm 701: case -1: /* no, or not valid */
1.24 nicm 702: break;
1.67 nicm 703: case -2: /* yes, but we don't care. */
1.73 nicm 704: key = KEYC_MOUSE;
1.67 nicm 705: goto discard_key;
1.22 nicm 706: case 1: /* partial */
707: goto partial_key;
1.11 nicm 708: }
709:
1.133 nicm 710: /* Is this an extended key press? */
711: switch (tty_keys_extended_key(tty, buf, len, &size, &key)) {
712: case 0: /* yes */
713: goto complete_key;
714: case -1: /* no, or not valid */
715: break;
716: case 1: /* partial */
717: goto partial_key;
718: }
719:
1.86 nicm 720: first_key:
1.101 nicm 721: /* Try to lookup complete key. */
722: n = tty_keys_next1(tty, buf, len, &key, &size, expired);
723: if (n == 0) /* found */
724: goto complete_key;
725: if (n == 1)
726: goto partial_key;
727:
728: /*
729: * If not a complete key, look for key with an escape prefix (meta
730: * modifier).
731: */
1.105 nicm 732: if (*buf == '\033' && len > 1) {
1.87 nicm 733: /* Look for a key without the escape. */
734: n = tty_keys_next1(tty, buf + 1, len - 1, &key, &size, expired);
735: if (n == 0) { /* found */
1.135 nicm 736: if (key & KEYC_IMPLIED_META) {
1.97 nicm 737: /*
738: * We want the escape key as well as the xterm
739: * key, because the xterm sequence implicitly
740: * includes the escape (so if we see
741: * \033\033[1;3D we know it is an Escape
742: * followed by M-Left, not just M-Left).
743: */
744: key = '\033';
745: size = 1;
746: goto complete_key;
747: }
1.134 nicm 748: key |= KEYC_META;
1.87 nicm 749: size++;
750: goto complete_key;
751: }
752: if (n == 1) /* partial */
1.62 nicm 753: goto partial_key;
1.89 nicm 754: }
1.1 nicm 755:
1.89 nicm 756: /*
757: * At this point, we know the key is not partial (with or without
758: * escape). So pass it through even if the timer has not expired.
759: */
760: if (*buf == '\033' && len >= 2) {
1.134 nicm 761: key = (u_char)buf[1] | KEYC_META;
1.89 nicm 762: size = 2;
763: } else {
764: key = (u_char)buf[0];
765: size = 1;
1.76 nicm 766: }
1.51 nicm 767: goto complete_key;
768:
769: partial_key:
1.94 nicm 770: log_debug("%s: partial key %.*s", c->name, (int)len, buf);
1.14 nicm 771:
1.51 nicm 772: /* If timer is going, check for expiration. */
773: if (tty->flags & TTY_TIMER) {
774: if (evtimer_initialized(&tty->key_timer) &&
1.59 nicm 775: !evtimer_pending(&tty->key_timer, NULL)) {
776: expired = 1;
1.51 nicm 777: goto first_key;
1.59 nicm 778: }
1.39 nicm 779: return (0);
1.51 nicm 780: }
1.39 nicm 781:
1.51 nicm 782: /* Get the time period. */
1.75 nicm 783: delay = options_get_number(global_options, "escape-time");
1.28 nicm 784: tv.tv_sec = delay / 1000;
785: tv.tv_usec = (delay % 1000) * 1000L;
1.27 nicm 786:
1.51 nicm 787: /* Start the timer. */
1.36 nicm 788: if (event_initialized(&tty->key_timer))
789: evtimer_del(&tty->key_timer);
1.14 nicm 790: evtimer_set(&tty->key_timer, tty_keys_callback, tty);
791: evtimer_add(&tty->key_timer, &tv);
1.27 nicm 792:
1.51 nicm 793: tty->flags |= TTY_TIMER;
1.14 nicm 794: return (0);
1.1 nicm 795:
1.51 nicm 796: complete_key:
1.94 nicm 797: log_debug("%s: complete key %.*s %#llx", c->name, (int)size, buf, key);
1.88 nicm 798:
799: /*
800: * Check for backspace key using termios VERASE - the terminfo
801: * kbs entry is extremely unreliable, so cannot be safely
802: * used. termios should have a better idea.
803: */
804: bspace = tty->tio.c_cc[VERASE];
805: if (bspace != _POSIX_VDISABLE && (key & KEYC_MASK_KEY) == bspace)
1.135 nicm 806: key = (key & KEYC_MASK_MODIFIERS)|KEYC_BSPACE;
1.16 nicm 807:
1.51 nicm 808: /* Remove data from buffer. */
1.93 nicm 809: evbuffer_drain(tty->in, size);
1.16 nicm 810:
1.51 nicm 811: /* Remove key timer. */
1.36 nicm 812: if (event_initialized(&tty->key_timer))
813: evtimer_del(&tty->key_timer);
1.51 nicm 814: tty->flags &= ~TTY_TIMER;
1.56 nicm 815:
816: /* Check for focus events. */
1.137 nicm 817: if (key == KEYC_FOCUS_OUT)
1.56 nicm 818: tty->client->flags &= ~CLIENT_FOCUSED;
1.137 nicm 819: else if (key == KEYC_FOCUS_IN)
1.56 nicm 820: tty->client->flags |= CLIENT_FOCUSED;
1.16 nicm 821:
1.51 nicm 822: /* Fire the key. */
1.111 nicm 823: if (key != KEYC_UNKNOWN) {
824: event = xmalloc(sizeof *event);
825: event->key = key;
826: memcpy(&event->m, &m, sizeof event->m);
1.113 nicm 827: if (!server_client_handle_key(c, event))
828: free(event);
1.111 nicm 829: }
1.16 nicm 830:
1.14 nicm 831: return (1);
1.67 nicm 832:
833: discard_key:
1.94 nicm 834: log_debug("%s: discard key %.*s %#llx", c->name, (int)size, buf, key);
1.67 nicm 835:
836: /* Remove data from buffer. */
1.93 nicm 837: evbuffer_drain(tty->in, size);
1.67 nicm 838:
839: return (1);
1.14 nicm 840: }
841:
1.16 nicm 842: /* Key timer callback. */
1.86 nicm 843: static void
1.81 nicm 844: tty_keys_callback(__unused int fd, __unused short events, void *data)
1.14 nicm 845: {
846: struct tty *tty = data;
847:
1.51 nicm 848: if (tty->flags & TTY_TIMER) {
849: while (tty_keys_next(tty))
850: ;
851: }
1.133 nicm 852: }
853:
854: /*
855: * Handle extended key input. This has two forms: \033[27;m;k~ and \033[k;mu,
856: * where k is key as a number and m is a modifier. Returns 0 for success, -1
857: * for failure, 1 for partial;
858: */
859: static int
860: tty_keys_extended_key(struct tty *tty, const char *buf, size_t len,
861: size_t *size, key_code *key)
862: {
863: struct client *c = tty->client;
864: size_t end;
865: u_int number, modifiers;
866: char tmp[64];
867:
868: *size = 0;
869:
870: /* First two bytes are always \033[. */
871: if (buf[0] != '\033')
872: return (-1);
873: if (len == 1)
874: return (1);
875: if (buf[1] != '[')
876: return (-1);
877: if (len == 2)
878: return (1);
879:
880: /*
881: * Look for a terminator. Stop at either '~' or anything that isn't a
882: * number or ';'.
883: */
884: for (end = 2; end < len && end != sizeof tmp; end++) {
885: if (buf[end] == '~')
886: break;
887: if (!isdigit((u_char)buf[end]) && buf[end] != ';')
888: break;
889: }
890: if (end == len)
891: return (1);
892: if (end == sizeof tmp || (buf[end] != '~' && buf[end] != 'u'))
893: return (-1);
894:
895: /* Copy to the buffer. */
896: memcpy(tmp, buf + 2, end);
897: tmp[end] = '\0';
898:
899: /* Try to parse either form of key. */
900: if (buf[end] == '~') {
901: if (sscanf(tmp, "27;%u;%u", &modifiers, &number) != 2)
902: return (-1);
903: } else {
904: if (sscanf(tmp ,"%u;%u", &number, &modifiers) != 2)
905: return (-1);
906: }
907: *size = end + 1;
908:
909: /* Store the key and modifiers. */
1.135 nicm 910: *key = number;
1.133 nicm 911: switch (modifiers) {
912: case 2:
913: (*key) |= KEYC_SHIFT;
914: break;
915: case 3:
1.135 nicm 916: (*key) |= (KEYC_META|KEYC_IMPLIED_META);
1.133 nicm 917: break;
918: case 4:
1.135 nicm 919: (*key) |= (KEYC_SHIFT|KEYC_META|KEYC_IMPLIED_META);
1.133 nicm 920: break;
921: case 5:
922: (*key) |= KEYC_CTRL;
923: break;
924: case 6:
925: (*key) |= (KEYC_SHIFT|KEYC_CTRL);
926: break;
927: case 7:
1.134 nicm 928: (*key) |= (KEYC_META|KEYC_CTRL);
1.133 nicm 929: break;
930: case 8:
1.135 nicm 931: (*key) |= (KEYC_SHIFT|KEYC_META|KEYC_IMPLIED_META|KEYC_CTRL);
1.133 nicm 932: break;
933: default:
934: *key = KEYC_NONE;
935: break;
936: }
937: if (log_get_level() != 0) {
938: log_debug("%s: extended key %.*s is %llx (%s)", c->name,
1.135 nicm 939: (int)*size, buf, *key, key_string_lookup_key(*key, 1));
1.133 nicm 940: }
941: return (0);
1.1 nicm 942: }
943:
1.27 nicm 944: /*
1.22 nicm 945: * Handle mouse key input. Returns 0 for success, -1 for failure, 1 for partial
946: * (probably a mouse sequence but need more data).
947: */
1.86 nicm 948: static int
1.111 nicm 949: tty_keys_mouse(struct tty *tty, const char *buf, size_t len, size_t *size,
950: struct mouse_event *m)
1.1 nicm 951: {
1.111 nicm 952: struct client *c = tty->client;
953: u_int i, x, y, b, sgr_b;
954: u_char sgr_type, ch;
1.33 nicm 955:
1.1 nicm 956: /*
1.33 nicm 957: * Standard mouse sequences are \033[M followed by three characters
1.55 nicm 958: * indicating button, X and Y, all based at 32 with 1,1 top-left.
1.33 nicm 959: *
960: * UTF-8 mouse sequences are similar but the three are expressed as
961: * UTF-8 characters.
1.55 nicm 962: *
963: * SGR extended mouse sequences are \033[< followed by three numbers in
964: * decimal and separated by semicolons indicating button, X and Y. A
965: * trailing 'M' is click or scroll and trailing 'm' release. All are
966: * based at 0 with 1,1 top-left.
1.1 nicm 967: */
968:
1.22 nicm 969: *size = 0;
1.72 nicm 970: x = y = b = sgr_b = 0;
971: sgr_type = ' ';
1.22 nicm 972:
1.55 nicm 973: /* First two bytes are always \033[. */
1.22 nicm 974: if (buf[0] != '\033')
975: return (-1);
976: if (len == 1)
977: return (1);
978: if (buf[1] != '[')
979: return (-1);
980: if (len == 2)
981: return (1);
982:
1.55 nicm 983: /*
1.82 nicm 984: * Third byte is M in old standard (and UTF-8 extension which we do not
985: * support), < in SGR extension.
1.55 nicm 986: */
987: if (buf[2] == 'M') {
988: /* Read the three inputs. */
989: *size = 3;
990: for (i = 0; i < 3; i++) {
991: if (len <= *size)
992: return (1);
1.94 nicm 993: ch = (u_char)buf[(*size)++];
1.55 nicm 994: if (i == 0)
1.94 nicm 995: b = ch;
1.55 nicm 996: else if (i == 1)
1.94 nicm 997: x = ch;
1.55 nicm 998: else
1.94 nicm 999: y = ch;
1.33 nicm 1000: }
1.94 nicm 1001: log_debug("%s: mouse input: %.*s", c->name, (int)*size, buf);
1.16 nicm 1002:
1.55 nicm 1003: /* Check and return the mouse input. */
1.60 nicm 1004: if (b < 32)
1.55 nicm 1005: return (-1);
1006: b -= 32;
1.60 nicm 1007: if (x >= 33)
1008: x -= 33;
1009: else
1010: x = 256 - x;
1011: if (y >= 33)
1012: y -= 33;
1013: else
1014: y = 256 - y;
1.55 nicm 1015: } else if (buf[2] == '<') {
1016: /* Read the three inputs. */
1017: *size = 3;
1018: while (1) {
1019: if (len <= *size)
1020: return (1);
1.94 nicm 1021: ch = (u_char)buf[(*size)++];
1022: if (ch == ';')
1.55 nicm 1023: break;
1.94 nicm 1024: if (ch < '0' || ch > '9')
1.55 nicm 1025: return (-1);
1.94 nicm 1026: sgr_b = 10 * sgr_b + (ch - '0');
1.55 nicm 1027: }
1028: while (1) {
1029: if (len <= *size)
1030: return (1);
1.94 nicm 1031: ch = (u_char)buf[(*size)++];
1032: if (ch == ';')
1.55 nicm 1033: break;
1.94 nicm 1034: if (ch < '0' || ch > '9')
1.55 nicm 1035: return (-1);
1.94 nicm 1036: x = 10 * x + (ch - '0');
1.55 nicm 1037: }
1038: while (1) {
1039: if (len <= *size)
1040: return (1);
1.94 nicm 1041: ch = (u_char)buf[(*size)++];
1042: if (ch == 'M' || ch == 'm')
1.55 nicm 1043: break;
1.94 nicm 1044: if (ch < '0' || ch > '9')
1.55 nicm 1045: return (-1);
1.94 nicm 1046: y = 10 * y + (ch - '0');
1.55 nicm 1047: }
1.94 nicm 1048: log_debug("%s: mouse input (SGR): %.*s", c->name, (int)*size,
1049: buf);
1.1 nicm 1050:
1.55 nicm 1051: /* Check and return the mouse input. */
1052: if (x < 1 || y < 1)
1053: return (-1);
1054: x--;
1055: y--;
1.72 nicm 1056: b = sgr_b;
1057:
1058: /* Type is M for press, m for release. */
1.94 nicm 1059: sgr_type = ch;
1.72 nicm 1060: if (sgr_type == 'm')
1061: b |= 3;
1.67 nicm 1062:
1063: /*
1064: * Some terminals (like PuTTY 0.63) mistakenly send
1065: * button-release events for scroll-wheel button-press event.
1066: * Discard it before it reaches any program running inside
1067: * tmux.
1068: */
1.72 nicm 1069: if (sgr_type == 'm' && (sgr_b & 64))
1.67 nicm 1070: return (-2);
1.55 nicm 1071: } else
1.22 nicm 1072: return (-1);
1.45 nicm 1073:
1.72 nicm 1074: /* Fill mouse event. */
1.111 nicm 1075: m->lx = tty->mouse_last_x;
1.61 nicm 1076: m->x = x;
1.111 nicm 1077: m->ly = tty->mouse_last_y;
1.61 nicm 1078: m->y = y;
1.114 nicm 1079: m->lb = tty->mouse_last_b;
1.72 nicm 1080: m->b = b;
1081: m->sgr_type = sgr_type;
1082: m->sgr_b = sgr_b;
1.111 nicm 1083:
1084: /* Update last mouse state. */
1085: tty->mouse_last_x = x;
1086: tty->mouse_last_y = y;
1.114 nicm 1087: tty->mouse_last_b = b;
1.104 nicm 1088:
1089: return (0);
1090: }
1091:
1092: /*
1093: * Handle OSC 52 clipboard input. Returns 0 for success, -1 for failure, 1 for
1094: * partial.
1095: */
1096: static int
1097: tty_keys_clipboard(__unused struct tty *tty, const char *buf, size_t len,
1098: size_t *size)
1099: {
1100: size_t end, terminator, needed;
1101: char *copy, *out;
1102: int outlen;
1103:
1104: *size = 0;
1105:
1.128 nicm 1106: /* First five bytes are always \033]52;. */
1.104 nicm 1107: if (buf[0] != '\033')
1108: return (-1);
1109: if (len == 1)
1110: return (1);
1111: if (buf[1] != ']')
1112: return (-1);
1113: if (len == 2)
1114: return (1);
1115: if (buf[2] != '5')
1116: return (-1);
1117: if (len == 3)
1118: return (1);
1119: if (buf[3] != '2')
1120: return (-1);
1121: if (len == 4)
1122: return (1);
1123: if (buf[4] != ';')
1124: return (-1);
1125: if (len == 5)
1126: return (1);
1127:
1128: /* Find the terminator if any. */
1129: for (end = 5; end < len; end++) {
1130: if (buf[end] == '\007') {
1131: terminator = 1;
1132: break;
1133: }
1134: if (end > 5 && buf[end - 1] == '\033' && buf[end] == '\\') {
1135: terminator = 2;
1136: break;
1137: }
1138: }
1139: if (end == len)
1140: return (1);
1141: *size = end + terminator;
1142:
1143: /* Skip the initial part. */
1144: buf += 5;
1145: end -= 5;
1146:
1147: /* Get the second argument. */
1148: while (end != 0 && *buf != ';') {
1149: buf++;
1150: end--;
1151: }
1152: if (end == 0 || end == 1)
1153: return (0);
1154: buf++;
1155: end--;
1156:
1157: /* It has to be a string so copy it. */
1158: copy = xmalloc(end + 1);
1159: memcpy(copy, buf, end);
1160: copy[end] = '\0';
1161:
1162: /* Convert from base64. */
1163: needed = (end / 4) * 3;
1164: out = xmalloc(needed);
1165: if ((outlen = b64_pton(copy, out, len)) == -1) {
1166: free(out);
1167: free(copy);
1168: return (0);
1169: }
1170: free(copy);
1171:
1172: /* Create a new paste buffer. */
1173: log_debug("%s: %.*s", __func__, outlen, out);
1.108 nicm 1174: paste_add(NULL, out, outlen);
1.91 nicm 1175:
1176: return (0);
1177: }
1178:
1179: /*
1.124 nicm 1180: * Handle secondary device attributes input. Returns 0 for success, -1 for
1181: * failure, 1 for partial.
1.91 nicm 1182: */
1183: static int
1184: tty_keys_device_attributes(struct tty *tty, const char *buf, size_t len,
1185: size_t *size)
1186: {
1.118 nicm 1187: struct client *c = tty->client;
1188: u_int i, n = 0;
1189: char tmp[64], *endptr, p[32] = { 0 }, *cp, *next;
1.91 nicm 1190:
1191: *size = 0;
1.120 nicm 1192: if (tty->flags & TTY_HAVEDA)
1193: return (-1);
1.91 nicm 1194:
1195: /* First three bytes are always \033[?. */
1196: if (buf[0] != '\033')
1197: return (-1);
1198: if (len == 1)
1199: return (1);
1200: if (buf[1] != '[')
1201: return (-1);
1202: if (len == 2)
1203: return (1);
1.124 nicm 1204: if (buf[2] != '>')
1.91 nicm 1205: return (-1);
1206: if (len == 3)
1207: return (1);
1208:
1209: /* Copy the rest up to a 'c'. */
1.128 nicm 1210: for (i = 0; i < (sizeof tmp) - 1; i++) {
1.91 nicm 1211: if (3 + i == len)
1212: return (1);
1.128 nicm 1213: if (buf[3 + i] == 'c')
1214: break;
1.91 nicm 1215: tmp[i] = buf[3 + i];
1216: }
1217: if (i == (sizeof tmp) - 1)
1218: return (-1);
1219: tmp[i] = '\0';
1220: *size = 4 + i;
1221:
1.124 nicm 1222: /* Convert all arguments to numbers. */
1.116 nicm 1223: cp = tmp;
1224: while ((next = strsep(&cp, ";")) != NULL) {
1225: p[n] = strtoul(next, &endptr, 10);
1.117 nicm 1226: if (*endptr != '\0')
1.116 nicm 1227: p[n] = 0;
1228: n++;
1229: }
1.91 nicm 1230:
1.126 nicm 1231: /* Add terminal features. */
1.116 nicm 1232: switch (p[0]) {
1.124 nicm 1233: case 41: /* VT420 */
1.131 nicm 1234: tty_add_features(&c->term_features, "margins,rectfill", ",");
1.91 nicm 1235: break;
1.124 nicm 1236: case 'M': /* mintty */
1.130 nicm 1237: tty_default_features(&c->term_features, "mintty", 0);
1.124 nicm 1238: break;
1.126 nicm 1239: case 'T': /* tmux */
1.130 nicm 1240: tty_default_features(&c->term_features, "tmux", 0);
1.124 nicm 1241: break;
1242: case 'U': /* rxvt-unicode */
1.130 nicm 1243: tty_default_features(&c->term_features, "rxvt-unicode", 0);
1.124 nicm 1244: break;
1.91 nicm 1245: }
1.124 nicm 1246: log_debug("%s: received secondary DA %.*s", c->name, (int)*size, buf);
1.120 nicm 1247:
1.126 nicm 1248: tty_update_features(tty);
1.120 nicm 1249: tty->flags |= TTY_HAVEDA;
1250:
1.119 nicm 1251: return (0);
1252: }
1253:
1254: /*
1.128 nicm 1255: * Handle extended device attributes input. Returns 0 for success, -1 for
1256: * failure, 1 for partial.
1.119 nicm 1257: */
1258: static int
1.128 nicm 1259: tty_keys_extended_device_attributes(struct tty *tty, const char *buf,
1260: size_t len, size_t *size)
1.119 nicm 1261: {
1262: struct client *c = tty->client;
1263: u_int i;
1.130 nicm 1264: char tmp[128];
1.119 nicm 1265:
1266: *size = 0;
1.128 nicm 1267: if (tty->flags & TTY_HAVEXDA)
1.120 nicm 1268: return (-1);
1.119 nicm 1269:
1.128 nicm 1270: /* First four bytes are always \033P>|. */
1.119 nicm 1271: if (buf[0] != '\033')
1272: return (-1);
1273: if (len == 1)
1274: return (1);
1.128 nicm 1275: if (buf[1] != 'P')
1.119 nicm 1276: return (-1);
1277: if (len == 2)
1278: return (1);
1.128 nicm 1279: if (buf[2] != '>')
1.120 nicm 1280: return (-1);
1281: if (len == 3)
1282: return (1);
1.128 nicm 1283: if (buf[3] != '|')
1284: return (-1);
1285: if (len == 4)
1286: return (1);
1.119 nicm 1287:
1.128 nicm 1288: /* Copy the rest up to a '\033\\'. */
1289: for (i = 0; i < (sizeof tmp) - 1; i++) {
1290: if (4 + i == len)
1.119 nicm 1291: return (1);
1.128 nicm 1292: if (buf[4 + i - 1] == '\033' && buf[4 + i] == '\\')
1293: break;
1294: tmp[i] = buf[4 + i];
1.119 nicm 1295: }
1296: if (i == (sizeof tmp) - 1)
1297: return (-1);
1.128 nicm 1298: tmp[i - 1] = '\0';
1299: *size = 5 + i;
1.119 nicm 1300:
1.126 nicm 1301: /* Add terminal features. */
1.130 nicm 1302: if (strncmp(tmp, "iTerm2 ", 7) == 0)
1303: tty_default_features(&c->term_features, "iTerm2", 0);
1304: else if (strncmp(tmp, "tmux ", 5) == 0)
1305: tty_default_features(&c->term_features, "tmux", 0);
1306: else if (strncmp(tmp, "XTerm(", 6) == 0)
1.136 nicm 1307: tty_default_features(&c->term_features, "XTerm", 0);
1.130 nicm 1308: else if (strncmp(tmp, "mintty ", 7) == 0)
1309: tty_default_features(&c->term_features, "mintty", 0);
1.128 nicm 1310: log_debug("%s: received extended DA %.*s", c->name, (int)*size, buf);
1.130 nicm 1311:
1312: free(c->term_type);
1313: c->term_type = xstrdup(tmp);
1.120 nicm 1314:
1.126 nicm 1315: tty_update_features(tty);
1.128 nicm 1316: tty->flags |= TTY_HAVEXDA;
1.120 nicm 1317:
1.22 nicm 1318: return (0);
1.1 nicm 1319: }
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