Annotation of src/usr.bin/tmux/tty-keys.c, Revision 1.149
1.149 ! nicm 1: /* $OpenBSD: tty-keys.c,v 1.148 2021/08/06 09:19:02 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;
1.143 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:
98: { "\033[A", KEYC_UP|KEYC_CURSOR },
99: { "\033[B", KEYC_DOWN|KEYC_CURSOR },
100: { "\033[C", KEYC_RIGHT|KEYC_CURSOR },
101: { "\033[D", KEYC_LEFT|KEYC_CURSOR },
1.57 nicm 102:
1.142 nicm 103: /*
104: * Meta arrow keys. These do not get the IMPLIED_META flag so they
105: * don't match the xterm-style meta keys in the output tree - Escape+Up
106: * should stay as Escape+Up and not become M-Up.
107: */
108: { "\033\033OA", KEYC_UP|KEYC_CURSOR|KEYC_META },
109: { "\033\033OB", KEYC_DOWN|KEYC_CURSOR|KEYC_META },
110: { "\033\033OC", KEYC_RIGHT|KEYC_CURSOR|KEYC_META },
111: { "\033\033OD", KEYC_LEFT|KEYC_CURSOR|KEYC_META },
112:
113: { "\033\033[A", KEYC_UP|KEYC_CURSOR|KEYC_META },
114: { "\033\033[B", KEYC_DOWN|KEYC_CURSOR|KEYC_META },
115: { "\033\033[C", KEYC_RIGHT|KEYC_CURSOR|KEYC_META },
116: { "\033\033[D", KEYC_LEFT|KEYC_CURSOR|KEYC_META },
1.140 nicm 117:
1.57 nicm 118: /* Other (xterm) "cursor" keys. */
119: { "\033OH", KEYC_HOME },
120: { "\033OF", KEYC_END },
121:
1.140 nicm 122: { "\033\033OH", KEYC_HOME|KEYC_META|KEYC_IMPLIED_META },
123: { "\033\033OF", KEYC_END|KEYC_META|KEYC_IMPLIED_META },
124:
1.57 nicm 125: { "\033[H", KEYC_HOME },
126: { "\033[F", KEYC_END },
1.140 nicm 127:
128: { "\033\033[H", KEYC_HOME|KEYC_META|KEYC_IMPLIED_META },
129: { "\033\033[F", KEYC_END|KEYC_META|KEYC_IMPLIED_META },
1.21 nicm 130:
131: /* rxvt-style arrow + modifier keys. */
1.48 nicm 132: { "\033Oa", KEYC_UP|KEYC_CTRL },
133: { "\033Ob", KEYC_DOWN|KEYC_CTRL },
134: { "\033Oc", KEYC_RIGHT|KEYC_CTRL },
135: { "\033Od", KEYC_LEFT|KEYC_CTRL },
136:
137: { "\033[a", KEYC_UP|KEYC_SHIFT },
138: { "\033[b", KEYC_DOWN|KEYC_SHIFT },
139: { "\033[c", KEYC_RIGHT|KEYC_SHIFT },
140: { "\033[d", KEYC_LEFT|KEYC_SHIFT },
141:
142: /* rxvt-style function + modifier keys (C = ^, S = $, C-S = @). */
143: { "\033[11^", KEYC_F1|KEYC_CTRL },
144: { "\033[12^", KEYC_F2|KEYC_CTRL },
145: { "\033[13^", KEYC_F3|KEYC_CTRL },
146: { "\033[14^", KEYC_F4|KEYC_CTRL },
147: { "\033[15^", KEYC_F5|KEYC_CTRL },
148: { "\033[17^", KEYC_F6|KEYC_CTRL },
149: { "\033[18^", KEYC_F7|KEYC_CTRL },
150: { "\033[19^", KEYC_F8|KEYC_CTRL },
151: { "\033[20^", KEYC_F9|KEYC_CTRL },
152: { "\033[21^", KEYC_F10|KEYC_CTRL },
153: { "\033[23^", KEYC_F11|KEYC_CTRL },
154: { "\033[24^", KEYC_F12|KEYC_CTRL },
155: { "\033[2^", KEYC_IC|KEYC_CTRL },
156: { "\033[3^", KEYC_DC|KEYC_CTRL },
157: { "\033[7^", KEYC_HOME|KEYC_CTRL },
158: { "\033[8^", KEYC_END|KEYC_CTRL },
159: { "\033[6^", KEYC_NPAGE|KEYC_CTRL },
160: { "\033[5^", KEYC_PPAGE|KEYC_CTRL },
161:
162: { "\033[11$", KEYC_F1|KEYC_SHIFT },
163: { "\033[12$", KEYC_F2|KEYC_SHIFT },
164: { "\033[13$", KEYC_F3|KEYC_SHIFT },
165: { "\033[14$", KEYC_F4|KEYC_SHIFT },
166: { "\033[15$", KEYC_F5|KEYC_SHIFT },
167: { "\033[17$", KEYC_F6|KEYC_SHIFT },
168: { "\033[18$", KEYC_F7|KEYC_SHIFT },
169: { "\033[19$", KEYC_F8|KEYC_SHIFT },
170: { "\033[20$", KEYC_F9|KEYC_SHIFT },
171: { "\033[21$", KEYC_F10|KEYC_SHIFT },
172: { "\033[23$", KEYC_F11|KEYC_SHIFT },
173: { "\033[24$", KEYC_F12|KEYC_SHIFT },
174: { "\033[2$", KEYC_IC|KEYC_SHIFT },
175: { "\033[3$", KEYC_DC|KEYC_SHIFT },
176: { "\033[7$", KEYC_HOME|KEYC_SHIFT },
177: { "\033[8$", KEYC_END|KEYC_SHIFT },
178: { "\033[6$", KEYC_NPAGE|KEYC_SHIFT },
179: { "\033[5$", KEYC_PPAGE|KEYC_SHIFT },
180:
181: { "\033[11@", KEYC_F1|KEYC_CTRL|KEYC_SHIFT },
182: { "\033[12@", KEYC_F2|KEYC_CTRL|KEYC_SHIFT },
183: { "\033[13@", KEYC_F3|KEYC_CTRL|KEYC_SHIFT },
184: { "\033[14@", KEYC_F4|KEYC_CTRL|KEYC_SHIFT },
185: { "\033[15@", KEYC_F5|KEYC_CTRL|KEYC_SHIFT },
186: { "\033[17@", KEYC_F6|KEYC_CTRL|KEYC_SHIFT },
187: { "\033[18@", KEYC_F7|KEYC_CTRL|KEYC_SHIFT },
188: { "\033[19@", KEYC_F8|KEYC_CTRL|KEYC_SHIFT },
189: { "\033[20@", KEYC_F9|KEYC_CTRL|KEYC_SHIFT },
190: { "\033[21@", KEYC_F10|KEYC_CTRL|KEYC_SHIFT },
191: { "\033[23@", KEYC_F11|KEYC_CTRL|KEYC_SHIFT },
192: { "\033[24@", KEYC_F12|KEYC_CTRL|KEYC_SHIFT },
193: { "\033[2@", KEYC_IC|KEYC_CTRL|KEYC_SHIFT },
194: { "\033[3@", KEYC_DC|KEYC_CTRL|KEYC_SHIFT },
195: { "\033[7@", KEYC_HOME|KEYC_CTRL|KEYC_SHIFT },
196: { "\033[8@", KEYC_END|KEYC_CTRL|KEYC_SHIFT },
197: { "\033[6@", KEYC_NPAGE|KEYC_CTRL|KEYC_SHIFT },
198: { "\033[5@", KEYC_PPAGE|KEYC_CTRL|KEYC_SHIFT },
1.56 nicm 199:
200: /* Focus tracking. */
201: { "\033[I", KEYC_FOCUS_IN },
202: { "\033[O", KEYC_FOCUS_OUT },
1.98 nicm 203:
204: /* Paste keys. */
205: { "\033[200~", KEYC_PASTE_START },
206: { "\033[201~", KEYC_PASTE_END },
1.48 nicm 207: };
1.29 nicm 208:
1.132 nicm 209: /* Default xterm keys. */
210: struct tty_default_key_xterm {
211: const char *template;
212: key_code key;
213: };
214: static const struct tty_default_key_xterm tty_default_xterm_keys[] = {
215: { "\033[1;_P", KEYC_F1 },
216: { "\033O1;_P", KEYC_F1 },
217: { "\033O_P", KEYC_F1 },
218: { "\033[1;_Q", KEYC_F2 },
219: { "\033O1;_Q", KEYC_F2 },
220: { "\033O_Q", KEYC_F2 },
221: { "\033[1;_R", KEYC_F3 },
222: { "\033O1;_R", KEYC_F3 },
223: { "\033O_R", KEYC_F3 },
224: { "\033[1;_S", KEYC_F4 },
225: { "\033O1;_S", KEYC_F4 },
226: { "\033O_S", KEYC_F4 },
227: { "\033[15;_~", KEYC_F5 },
228: { "\033[17;_~", KEYC_F6 },
229: { "\033[18;_~", KEYC_F7 },
230: { "\033[19;_~", KEYC_F8 },
231: { "\033[20;_~", KEYC_F9 },
232: { "\033[21;_~", KEYC_F10 },
233: { "\033[23;_~", KEYC_F11 },
234: { "\033[24;_~", KEYC_F12 },
235: { "\033[1;_A", KEYC_UP },
236: { "\033[1;_B", KEYC_DOWN },
237: { "\033[1;_C", KEYC_RIGHT },
238: { "\033[1;_D", KEYC_LEFT },
239: { "\033[1;_H", KEYC_HOME },
240: { "\033[1;_F", KEYC_END },
241: { "\033[5;_~", KEYC_PPAGE },
242: { "\033[6;_~", KEYC_NPAGE },
243: { "\033[2;_~", KEYC_IC },
244: { "\033[3;_~", KEYC_DC },
245: };
246: static const key_code tty_default_xterm_modifiers[] = {
247: 0,
248: 0,
1.135 nicm 249: KEYC_SHIFT,
250: KEYC_META|KEYC_IMPLIED_META,
251: KEYC_SHIFT|KEYC_META|KEYC_IMPLIED_META,
252: KEYC_CTRL,
253: KEYC_SHIFT|KEYC_CTRL,
254: KEYC_META|KEYC_IMPLIED_META|KEYC_CTRL,
1.147 nicm 255: KEYC_SHIFT|KEYC_META|KEYC_IMPLIED_META|KEYC_CTRL,
256: KEYC_META|KEYC_IMPLIED_META
1.132 nicm 257: };
258:
1.103 nicm 259: /*
1.132 nicm 260: * Default terminfo(5) keys. Any keys that have builtin modifiers (that is,
261: * where the key itself contains the modifiers) has the KEYC_XTERM flag set so
262: * a leading escape is not treated as meta (and probably removed).
1.103 nicm 263: */
1.48 nicm 264: struct tty_default_key_code {
265: enum tty_code_code code;
1.143 nicm 266: key_code key;
1.48 nicm 267: };
1.90 nicm 268: static const struct tty_default_key_code tty_default_code_keys[] = {
1.29 nicm 269: /* Function keys. */
1.48 nicm 270: { TTYC_KF1, KEYC_F1 },
271: { TTYC_KF2, KEYC_F2 },
272: { TTYC_KF3, KEYC_F3 },
273: { TTYC_KF4, KEYC_F4 },
274: { TTYC_KF5, KEYC_F5 },
275: { TTYC_KF6, KEYC_F6 },
276: { TTYC_KF7, KEYC_F7 },
277: { TTYC_KF8, KEYC_F8 },
278: { TTYC_KF9, KEYC_F9 },
279: { TTYC_KF10, KEYC_F10 },
280: { TTYC_KF11, KEYC_F11 },
281: { TTYC_KF12, KEYC_F12 },
1.70 nicm 282:
1.135 nicm 283: { TTYC_KF13, KEYC_F1|KEYC_SHIFT },
284: { TTYC_KF14, KEYC_F2|KEYC_SHIFT },
285: { TTYC_KF15, KEYC_F3|KEYC_SHIFT },
286: { TTYC_KF16, KEYC_F4|KEYC_SHIFT },
287: { TTYC_KF17, KEYC_F5|KEYC_SHIFT },
288: { TTYC_KF18, KEYC_F6|KEYC_SHIFT },
289: { TTYC_KF19, KEYC_F7|KEYC_SHIFT },
290: { TTYC_KF20, KEYC_F8|KEYC_SHIFT },
291: { TTYC_KF21, KEYC_F9|KEYC_SHIFT },
292: { TTYC_KF22, KEYC_F10|KEYC_SHIFT },
293: { TTYC_KF23, KEYC_F11|KEYC_SHIFT },
294: { TTYC_KF24, KEYC_F12|KEYC_SHIFT },
295:
296: { TTYC_KF25, KEYC_F1|KEYC_CTRL },
297: { TTYC_KF26, KEYC_F2|KEYC_CTRL },
298: { TTYC_KF27, KEYC_F3|KEYC_CTRL },
299: { TTYC_KF28, KEYC_F4|KEYC_CTRL },
300: { TTYC_KF29, KEYC_F5|KEYC_CTRL },
301: { TTYC_KF30, KEYC_F6|KEYC_CTRL },
302: { TTYC_KF31, KEYC_F7|KEYC_CTRL },
303: { TTYC_KF32, KEYC_F8|KEYC_CTRL },
304: { TTYC_KF33, KEYC_F9|KEYC_CTRL },
305: { TTYC_KF34, KEYC_F10|KEYC_CTRL },
306: { TTYC_KF35, KEYC_F11|KEYC_CTRL },
307: { TTYC_KF36, KEYC_F12|KEYC_CTRL },
308:
309: { TTYC_KF37, KEYC_F1|KEYC_SHIFT|KEYC_CTRL },
310: { TTYC_KF38, KEYC_F2|KEYC_SHIFT|KEYC_CTRL },
311: { TTYC_KF39, KEYC_F3|KEYC_SHIFT|KEYC_CTRL },
312: { TTYC_KF40, KEYC_F4|KEYC_SHIFT|KEYC_CTRL },
313: { TTYC_KF41, KEYC_F5|KEYC_SHIFT|KEYC_CTRL },
314: { TTYC_KF42, KEYC_F6|KEYC_SHIFT|KEYC_CTRL },
315: { TTYC_KF43, KEYC_F7|KEYC_SHIFT|KEYC_CTRL },
316: { TTYC_KF44, KEYC_F8|KEYC_SHIFT|KEYC_CTRL },
317: { TTYC_KF45, KEYC_F9|KEYC_SHIFT|KEYC_CTRL },
318: { TTYC_KF46, KEYC_F10|KEYC_SHIFT|KEYC_CTRL },
319: { TTYC_KF47, KEYC_F11|KEYC_SHIFT|KEYC_CTRL },
320: { TTYC_KF48, KEYC_F12|KEYC_SHIFT|KEYC_CTRL },
321:
322: { TTYC_KF49, KEYC_F1|KEYC_META|KEYC_IMPLIED_META },
323: { TTYC_KF50, KEYC_F2|KEYC_META|KEYC_IMPLIED_META },
324: { TTYC_KF51, KEYC_F3|KEYC_META|KEYC_IMPLIED_META },
325: { TTYC_KF52, KEYC_F4|KEYC_META|KEYC_IMPLIED_META },
326: { TTYC_KF53, KEYC_F5|KEYC_META|KEYC_IMPLIED_META },
327: { TTYC_KF54, KEYC_F6|KEYC_META|KEYC_IMPLIED_META },
328: { TTYC_KF55, KEYC_F7|KEYC_META|KEYC_IMPLIED_META },
329: { TTYC_KF56, KEYC_F8|KEYC_META|KEYC_IMPLIED_META },
330: { TTYC_KF57, KEYC_F9|KEYC_META|KEYC_IMPLIED_META },
331: { TTYC_KF58, KEYC_F10|KEYC_META|KEYC_IMPLIED_META },
332: { TTYC_KF59, KEYC_F11|KEYC_META|KEYC_IMPLIED_META },
333: { TTYC_KF60, KEYC_F12|KEYC_META|KEYC_IMPLIED_META },
334:
335: { TTYC_KF61, KEYC_F1|KEYC_META|KEYC_IMPLIED_META|KEYC_SHIFT },
336: { TTYC_KF62, KEYC_F2|KEYC_META|KEYC_IMPLIED_META|KEYC_SHIFT },
337: { TTYC_KF63, KEYC_F3|KEYC_META|KEYC_IMPLIED_META|KEYC_SHIFT },
1.70 nicm 338:
1.48 nicm 339: { TTYC_KICH1, KEYC_IC },
340: { TTYC_KDCH1, KEYC_DC },
341: { TTYC_KHOME, KEYC_HOME },
342: { TTYC_KEND, KEYC_END },
343: { TTYC_KNP, KEYC_NPAGE },
344: { TTYC_KPP, KEYC_PPAGE },
345: { TTYC_KCBT, KEYC_BTAB },
1.29 nicm 346:
347: /* Arrow keys from terminfo. */
1.132 nicm 348: { TTYC_KCUU1, KEYC_UP|KEYC_CURSOR },
349: { TTYC_KCUD1, KEYC_DOWN|KEYC_CURSOR },
350: { TTYC_KCUB1, KEYC_LEFT|KEYC_CURSOR },
351: { TTYC_KCUF1, KEYC_RIGHT|KEYC_CURSOR },
1.29 nicm 352:
1.103 nicm 353: /* Key and modifier capabilities. */
1.135 nicm 354: { TTYC_KDC2, KEYC_DC|KEYC_SHIFT },
355: { TTYC_KDC3, KEYC_DC|KEYC_META|KEYC_IMPLIED_META },
356: { TTYC_KDC4, KEYC_DC|KEYC_SHIFT|KEYC_META|KEYC_IMPLIED_META },
357: { TTYC_KDC5, KEYC_DC|KEYC_CTRL },
358: { TTYC_KDC6, KEYC_DC|KEYC_SHIFT|KEYC_CTRL },
359: { TTYC_KDC7, KEYC_DC|KEYC_META|KEYC_IMPLIED_META|KEYC_CTRL },
360: { TTYC_KIND, KEYC_DOWN|KEYC_SHIFT },
361: { TTYC_KDN2, KEYC_DOWN|KEYC_SHIFT },
362: { TTYC_KDN3, KEYC_DOWN|KEYC_META|KEYC_IMPLIED_META },
363: { TTYC_KDN4, KEYC_DOWN|KEYC_SHIFT|KEYC_META|KEYC_IMPLIED_META },
364: { TTYC_KDN5, KEYC_DOWN|KEYC_CTRL },
365: { TTYC_KDN6, KEYC_DOWN|KEYC_SHIFT|KEYC_CTRL },
366: { TTYC_KDN7, KEYC_DOWN|KEYC_META|KEYC_IMPLIED_META|KEYC_CTRL },
367: { TTYC_KEND2, KEYC_END|KEYC_SHIFT },
368: { TTYC_KEND3, KEYC_END|KEYC_META|KEYC_IMPLIED_META },
369: { TTYC_KEND4, KEYC_END|KEYC_SHIFT|KEYC_META|KEYC_IMPLIED_META },
370: { TTYC_KEND5, KEYC_END|KEYC_CTRL },
371: { TTYC_KEND6, KEYC_END|KEYC_SHIFT|KEYC_CTRL },
372: { TTYC_KEND7, KEYC_END|KEYC_META|KEYC_IMPLIED_META|KEYC_CTRL },
373: { TTYC_KHOM2, KEYC_HOME|KEYC_SHIFT },
374: { TTYC_KHOM3, KEYC_HOME|KEYC_META|KEYC_IMPLIED_META },
375: { TTYC_KHOM4, KEYC_HOME|KEYC_SHIFT|KEYC_META|KEYC_IMPLIED_META },
376: { TTYC_KHOM5, KEYC_HOME|KEYC_CTRL },
377: { TTYC_KHOM6, KEYC_HOME|KEYC_SHIFT|KEYC_CTRL },
378: { TTYC_KHOM7, KEYC_HOME|KEYC_META|KEYC_IMPLIED_META|KEYC_CTRL },
379: { TTYC_KIC2, KEYC_IC|KEYC_SHIFT },
380: { TTYC_KIC3, KEYC_IC|KEYC_META|KEYC_IMPLIED_META },
381: { TTYC_KIC4, KEYC_IC|KEYC_SHIFT|KEYC_META|KEYC_IMPLIED_META },
382: { TTYC_KIC5, KEYC_IC|KEYC_CTRL },
383: { TTYC_KIC6, KEYC_IC|KEYC_SHIFT|KEYC_CTRL },
384: { TTYC_KIC7, KEYC_IC|KEYC_META|KEYC_IMPLIED_META|KEYC_CTRL },
385: { TTYC_KLFT2, KEYC_LEFT|KEYC_SHIFT },
386: { TTYC_KLFT3, KEYC_LEFT|KEYC_META|KEYC_IMPLIED_META },
387: { TTYC_KLFT4, KEYC_LEFT|KEYC_SHIFT|KEYC_META|KEYC_IMPLIED_META },
388: { TTYC_KLFT5, KEYC_LEFT|KEYC_CTRL },
389: { TTYC_KLFT6, KEYC_LEFT|KEYC_SHIFT|KEYC_CTRL },
390: { TTYC_KLFT7, KEYC_LEFT|KEYC_META|KEYC_IMPLIED_META|KEYC_CTRL },
391: { TTYC_KNXT2, KEYC_NPAGE|KEYC_SHIFT },
392: { TTYC_KNXT3, KEYC_NPAGE|KEYC_META|KEYC_IMPLIED_META },
393: { TTYC_KNXT4, KEYC_NPAGE|KEYC_SHIFT|KEYC_META|KEYC_IMPLIED_META },
394: { TTYC_KNXT5, KEYC_NPAGE|KEYC_CTRL },
395: { TTYC_KNXT6, KEYC_NPAGE|KEYC_SHIFT|KEYC_CTRL },
396: { TTYC_KNXT7, KEYC_NPAGE|KEYC_META|KEYC_IMPLIED_META|KEYC_CTRL },
397: { TTYC_KPRV2, KEYC_PPAGE|KEYC_SHIFT },
398: { TTYC_KPRV3, KEYC_PPAGE|KEYC_META|KEYC_IMPLIED_META },
399: { TTYC_KPRV4, KEYC_PPAGE|KEYC_SHIFT|KEYC_META|KEYC_IMPLIED_META },
400: { TTYC_KPRV5, KEYC_PPAGE|KEYC_CTRL },
401: { TTYC_KPRV6, KEYC_PPAGE|KEYC_SHIFT|KEYC_CTRL },
402: { TTYC_KPRV7, KEYC_PPAGE|KEYC_META|KEYC_IMPLIED_META|KEYC_CTRL },
403: { TTYC_KRIT2, KEYC_RIGHT|KEYC_SHIFT },
404: { TTYC_KRIT3, KEYC_RIGHT|KEYC_META|KEYC_IMPLIED_META },
405: { TTYC_KRIT4, KEYC_RIGHT|KEYC_SHIFT|KEYC_META|KEYC_IMPLIED_META },
406: { TTYC_KRIT5, KEYC_RIGHT|KEYC_CTRL },
407: { TTYC_KRIT6, KEYC_RIGHT|KEYC_SHIFT|KEYC_CTRL },
408: { TTYC_KRIT7, KEYC_RIGHT|KEYC_META|KEYC_IMPLIED_META|KEYC_CTRL },
409: { TTYC_KRI, KEYC_UP|KEYC_SHIFT },
410: { TTYC_KUP2, KEYC_UP|KEYC_SHIFT },
411: { TTYC_KUP3, KEYC_UP|KEYC_META|KEYC_IMPLIED_META },
412: { TTYC_KUP4, KEYC_UP|KEYC_SHIFT|KEYC_META|KEYC_IMPLIED_META },
413: { TTYC_KUP5, KEYC_UP|KEYC_CTRL },
414: { TTYC_KUP6, KEYC_UP|KEYC_SHIFT|KEYC_CTRL },
415: { TTYC_KUP7, KEYC_UP|KEYC_META|KEYC_IMPLIED_META|KEYC_CTRL },
1.1 nicm 416: };
417:
1.48 nicm 418: /* Add key to tree. */
1.86 nicm 419: static void
1.76 nicm 420: tty_keys_add(struct tty *tty, const char *s, key_code key)
1.16 nicm 421: {
1.29 nicm 422: struct tty_key *tk;
423: size_t size;
1.143 nicm 424: const char *keystr;
1.1 nicm 425:
1.135 nicm 426: keystr = key_string_lookup_key(key, 1);
1.29 nicm 427: if ((tk = tty_keys_find(tty, s, strlen(s), &size)) == NULL) {
1.76 nicm 428: log_debug("new key %s: 0x%llx (%s)", s, key, keystr);
1.16 nicm 429: tty_keys_add1(&tty->key_tree, s, key);
1.29 nicm 430: } else {
1.76 nicm 431: log_debug("replacing key %s: 0x%llx (%s)", s, key, keystr);
1.29 nicm 432: tk->key = key;
1.16 nicm 433: }
1.1 nicm 434: }
435:
1.16 nicm 436: /* Add next node to the tree. */
1.86 nicm 437: static void
1.76 nicm 438: tty_keys_add1(struct tty_key **tkp, const char *s, key_code key)
1.1 nicm 439: {
1.16 nicm 440: struct tty_key *tk;
1.1 nicm 441:
1.16 nicm 442: /* Allocate a tree entry if there isn't one already. */
443: tk = *tkp;
444: if (tk == NULL) {
445: tk = *tkp = xcalloc(1, sizeof *tk);
446: tk->ch = *s;
1.83 nicm 447: tk->key = KEYC_UNKNOWN;
1.16 nicm 448: }
449:
450: /* Find the next entry. */
451: if (*s == tk->ch) {
452: /* Move forward in string. */
453: s++;
454:
455: /* If this is the end of the string, no more is necessary. */
456: if (*s == '\0') {
457: tk->key = key;
458: return;
459: }
460:
461: /* Use the child tree for the next character. */
462: tkp = &tk->next;
1.27 nicm 463: } else {
1.16 nicm 464: if (*s < tk->ch)
465: tkp = &tk->left;
466: else if (*s > tk->ch)
467: tkp = &tk->right;
468: }
469:
470: /* And recurse to add it. */
471: tty_keys_add1(tkp, s, key);
1.1 nicm 472: }
473:
1.16 nicm 474: /* Initialise a key tree from the table. */
1.1 nicm 475: void
1.48 nicm 476: tty_keys_build(struct tty *tty)
1.1 nicm 477: {
1.48 nicm 478: const struct tty_default_key_raw *tdkr;
1.132 nicm 479: const struct tty_default_key_xterm *tdkx;
1.48 nicm 480: const struct tty_default_key_code *tdkc;
1.143 nicm 481: u_int i, j;
1.109 nicm 482: const char *s;
1.99 nicm 483: struct options_entry *o;
1.107 nicm 484: struct options_array_item *a;
1.109 nicm 485: union options_value *ov;
1.132 nicm 486: char copy[16];
487: key_code key;
1.1 nicm 488:
1.48 nicm 489: if (tty->key_tree != NULL)
1.71 nicm 490: tty_keys_free(tty);
1.16 nicm 491: tty->key_tree = NULL;
1.1 nicm 492:
1.132 nicm 493: for (i = 0; i < nitems(tty_default_xterm_keys); i++) {
494: tdkx = &tty_default_xterm_keys[i];
495: for (j = 2; j < nitems(tty_default_xterm_modifiers); j++) {
496: strlcpy(copy, tdkx->template, sizeof copy);
497: copy[strcspn(copy, "_")] = '0' + j;
498:
499: key = tdkx->key|tty_default_xterm_modifiers[j];
500: tty_keys_add(tty, copy, key);
501: }
502: }
1.48 nicm 503: for (i = 0; i < nitems(tty_default_raw_keys); i++) {
504: tdkr = &tty_default_raw_keys[i];
505:
506: s = tdkr->string;
1.51 nicm 507: if (*s != '\0')
508: tty_keys_add(tty, s, tdkr->key);
1.48 nicm 509: }
510: for (i = 0; i < nitems(tty_default_code_keys); i++) {
511: tdkc = &tty_default_code_keys[i];
512:
513: s = tty_term_string(tty->term, tdkc->code);
1.51 nicm 514: if (*s != '\0')
515: tty_keys_add(tty, s, tdkc->key);
1.1 nicm 516:
1.99 nicm 517: }
518:
519: o = options_get(global_options, "user-keys");
1.107 nicm 520: if (o != NULL) {
521: a = options_array_first(o);
522: while (a != NULL) {
1.112 nicm 523: i = options_array_item_index(a);
1.109 nicm 524: ov = options_array_item_value(a);
1.110 nicm 525: tty_keys_add(tty, ov->string, KEYC_USER + i);
1.107 nicm 526: a = options_array_next(a);
1.99 nicm 527: }
1.1 nicm 528: }
529: }
530:
1.16 nicm 531: /* Free the entire key tree. */
1.1 nicm 532: void
533: tty_keys_free(struct tty *tty)
534: {
1.16 nicm 535: tty_keys_free1(tty->key_tree);
536: }
1.1 nicm 537:
1.16 nicm 538: /* Free a single key. */
1.86 nicm 539: static void
1.16 nicm 540: tty_keys_free1(struct tty_key *tk)
541: {
542: if (tk->next != NULL)
543: tty_keys_free1(tk->next);
544: if (tk->left != NULL)
545: tty_keys_free1(tk->left);
546: if (tk->right != NULL)
547: tty_keys_free1(tk->right);
1.42 nicm 548: free(tk);
1.1 nicm 549: }
550:
1.16 nicm 551: /* Lookup a key in the tree. */
1.86 nicm 552: static struct tty_key *
1.16 nicm 553: tty_keys_find(struct tty *tty, const char *buf, size_t len, size_t *size)
1.1 nicm 554: {
1.16 nicm 555: *size = 0;
556: return (tty_keys_find1(tty->key_tree, buf, len, size));
557: }
1.1 nicm 558:
1.16 nicm 559: /* Find the next node. */
1.86 nicm 560: static struct tty_key *
1.16 nicm 561: tty_keys_find1(struct tty_key *tk, const char *buf, size_t len, size_t *size)
562: {
1.106 nicm 563: /* If no data, no match. */
564: if (len == 0)
565: return (NULL);
566:
1.16 nicm 567: /* If the node is NULL, this is the end of the tree. No match. */
568: if (tk == NULL)
1.1 nicm 569: return (NULL);
570:
1.16 nicm 571: /* Pick the next in the sequence. */
572: if (tk->ch == *buf) {
573: /* Move forward in the string. */
574: buf++; len--;
575: (*size)++;
1.1 nicm 576:
1.16 nicm 577: /* At the end of the string, return the current node. */
1.83 nicm 578: if (len == 0 || (tk->next == NULL && tk->key != KEYC_UNKNOWN))
1.16 nicm 579: return (tk);
1.1 nicm 580:
1.16 nicm 581: /* Move into the next tree for the following character. */
582: tk = tk->next;
583: } else {
584: if (*buf < tk->ch)
585: tk = tk->left;
586: else if (*buf > tk->ch)
587: tk = tk->right;
1.1 nicm 588: }
589:
1.16 nicm 590: /* Move to the next in the tree. */
591: return (tty_keys_find1(tk, buf, len, size));
1.1 nicm 592: }
593:
1.86 nicm 594: /* Look up part of the next key. */
595: static int
596: tty_keys_next1(struct tty *tty, const char *buf, size_t len, key_code *key,
1.87 nicm 597: size_t *size, int expired)
1.86 nicm 598: {
1.94 nicm 599: struct client *c = tty->client;
1.86 nicm 600: struct tty_key *tk, *tk1;
601: struct utf8_data ud;
602: enum utf8_state more;
1.138 nicm 603: utf8_char uc;
1.86 nicm 604: u_int i;
605:
1.94 nicm 606: log_debug("%s: next key is %zu (%.*s) (expired=%d)", c->name, len,
607: (int)len, buf, expired);
1.86 nicm 608:
609: /* Is this a known key? */
610: tk = tty_keys_find(tty, buf, len, size);
1.87 nicm 611: if (tk != NULL && tk->key != KEYC_UNKNOWN) {
1.86 nicm 612: tk1 = tk;
613: do
1.94 nicm 614: log_debug("%s: keys in list: %#llx", c->name, tk1->key);
1.86 nicm 615: while ((tk1 = tk1->next) != NULL);
1.87 nicm 616: if (tk->next != NULL && !expired)
617: return (1);
1.86 nicm 618: *key = tk->key;
1.87 nicm 619: return (0);
1.86 nicm 620: }
1.97 nicm 621:
1.86 nicm 622: /* Is this valid UTF-8? */
623: more = utf8_open(&ud, (u_char)*buf);
624: if (more == UTF8_MORE) {
625: *size = ud.size;
1.87 nicm 626: if (len < ud.size) {
627: if (!expired)
628: return (1);
629: return (-1);
630: }
1.86 nicm 631: for (i = 1; i < ud.size; i++)
632: more = utf8_append(&ud, (u_char)buf[i]);
633: if (more != UTF8_DONE)
1.87 nicm 634: return (-1);
1.86 nicm 635:
1.138 nicm 636: if (utf8_from_data(&ud, &uc) != UTF8_DONE)
1.87 nicm 637: return (-1);
1.138 nicm 638: *key = uc;
1.86 nicm 639:
1.94 nicm 640: log_debug("%s: UTF-8 key %.*s %#llx", c->name, (int)ud.size,
1.138 nicm 641: ud.data, *key);
1.86 nicm 642: return (0);
643: }
644:
645: return (-1);
646: }
647:
1.111 nicm 648: /* Process at least one key in the buffer. Return 0 if no keys present. */
649: int
1.14 nicm 650: tty_keys_next(struct tty *tty)
1.1 nicm 651: {
1.111 nicm 652: struct client *c = tty->client;
653: struct timeval tv;
654: const char *buf;
655: size_t len, size;
656: cc_t bspace;
657: int delay, expired = 0, n;
658: key_code key;
659: struct mouse_event m = { 0 };
660: struct key_event *event;
1.1 nicm 661:
1.51 nicm 662: /* Get key buffer. */
1.93 nicm 663: buf = EVBUFFER_DATA(tty->in);
664: len = EVBUFFER_LENGTH(tty->in);
1.1 nicm 665: if (len == 0)
1.14 nicm 666: return (0);
1.94 nicm 667: log_debug("%s: keys are %zu (%.*s)", c->name, len, (int)len, buf);
1.1 nicm 668:
1.104 nicm 669: /* Is this a clipboard response? */
670: switch (tty_keys_clipboard(tty, buf, len, &size)) {
671: case 0: /* yes */
672: key = KEYC_UNKNOWN;
673: goto complete_key;
674: case -1: /* no, or not valid */
675: break;
676: case 1: /* partial */
677: goto partial_key;
678: }
679:
1.91 nicm 680: /* Is this a device attributes response? */
681: switch (tty_keys_device_attributes(tty, buf, len, &size)) {
682: case 0: /* yes */
683: key = KEYC_UNKNOWN;
684: goto complete_key;
685: case -1: /* no, or not valid */
686: break;
687: case 1: /* partial */
688: goto partial_key;
689: }
690:
1.128 nicm 691: /* Is this an extended device attributes response? */
692: switch (tty_keys_extended_device_attributes(tty, buf, len, &size)) {
1.119 nicm 693: case 0: /* yes */
694: key = KEYC_UNKNOWN;
695: goto complete_key;
696: case -1: /* no, or not valid */
697: break;
698: case 1: /* partial */
699: goto partial_key;
700: }
701:
1.26 nicm 702: /* Is this a mouse key press? */
1.111 nicm 703: switch (tty_keys_mouse(tty, buf, len, &size, &m)) {
1.22 nicm 704: case 0: /* yes */
705: key = KEYC_MOUSE;
1.51 nicm 706: goto complete_key;
1.22 nicm 707: case -1: /* no, or not valid */
1.24 nicm 708: break;
1.67 nicm 709: case -2: /* yes, but we don't care. */
1.73 nicm 710: key = KEYC_MOUSE;
1.67 nicm 711: goto discard_key;
1.22 nicm 712: case 1: /* partial */
713: goto partial_key;
1.11 nicm 714: }
715:
1.133 nicm 716: /* Is this an extended key press? */
717: switch (tty_keys_extended_key(tty, buf, len, &size, &key)) {
718: case 0: /* yes */
719: goto complete_key;
720: case -1: /* no, or not valid */
721: break;
722: case 1: /* partial */
723: goto partial_key;
724: }
725:
1.86 nicm 726: first_key:
1.101 nicm 727: /* Try to lookup complete key. */
728: n = tty_keys_next1(tty, buf, len, &key, &size, expired);
729: if (n == 0) /* found */
730: goto complete_key;
731: if (n == 1)
732: goto partial_key;
733:
734: /*
735: * If not a complete key, look for key with an escape prefix (meta
736: * modifier).
737: */
1.105 nicm 738: if (*buf == '\033' && len > 1) {
1.87 nicm 739: /* Look for a key without the escape. */
740: n = tty_keys_next1(tty, buf + 1, len - 1, &key, &size, expired);
741: if (n == 0) { /* found */
1.135 nicm 742: if (key & KEYC_IMPLIED_META) {
1.97 nicm 743: /*
744: * We want the escape key as well as the xterm
745: * key, because the xterm sequence implicitly
746: * includes the escape (so if we see
747: * \033\033[1;3D we know it is an Escape
748: * followed by M-Left, not just M-Left).
749: */
750: key = '\033';
751: size = 1;
752: goto complete_key;
753: }
1.134 nicm 754: key |= KEYC_META;
1.87 nicm 755: size++;
756: goto complete_key;
757: }
758: if (n == 1) /* partial */
1.62 nicm 759: goto partial_key;
1.89 nicm 760: }
1.1 nicm 761:
1.89 nicm 762: /*
763: * At this point, we know the key is not partial (with or without
764: * escape). So pass it through even if the timer has not expired.
765: */
766: if (*buf == '\033' && len >= 2) {
1.134 nicm 767: key = (u_char)buf[1] | KEYC_META;
1.89 nicm 768: size = 2;
769: } else {
770: key = (u_char)buf[0];
771: size = 1;
1.76 nicm 772: }
1.51 nicm 773: goto complete_key;
774:
775: partial_key:
1.94 nicm 776: log_debug("%s: partial key %.*s", c->name, (int)len, buf);
1.14 nicm 777:
1.51 nicm 778: /* If timer is going, check for expiration. */
779: if (tty->flags & TTY_TIMER) {
780: if (evtimer_initialized(&tty->key_timer) &&
1.59 nicm 781: !evtimer_pending(&tty->key_timer, NULL)) {
782: expired = 1;
1.51 nicm 783: goto first_key;
1.59 nicm 784: }
1.39 nicm 785: return (0);
1.51 nicm 786: }
1.39 nicm 787:
1.51 nicm 788: /* Get the time period. */
1.75 nicm 789: delay = options_get_number(global_options, "escape-time");
1.28 nicm 790: tv.tv_sec = delay / 1000;
791: tv.tv_usec = (delay % 1000) * 1000L;
1.27 nicm 792:
1.51 nicm 793: /* Start the timer. */
1.36 nicm 794: if (event_initialized(&tty->key_timer))
795: evtimer_del(&tty->key_timer);
1.14 nicm 796: evtimer_set(&tty->key_timer, tty_keys_callback, tty);
797: evtimer_add(&tty->key_timer, &tv);
1.27 nicm 798:
1.51 nicm 799: tty->flags |= TTY_TIMER;
1.14 nicm 800: return (0);
1.1 nicm 801:
1.51 nicm 802: complete_key:
1.94 nicm 803: log_debug("%s: complete key %.*s %#llx", c->name, (int)size, buf, key);
1.88 nicm 804:
805: /*
806: * Check for backspace key using termios VERASE - the terminfo
807: * kbs entry is extremely unreliable, so cannot be safely
808: * used. termios should have a better idea.
809: */
810: bspace = tty->tio.c_cc[VERASE];
811: if (bspace != _POSIX_VDISABLE && (key & KEYC_MASK_KEY) == bspace)
1.135 nicm 812: key = (key & KEYC_MASK_MODIFIERS)|KEYC_BSPACE;
1.16 nicm 813:
1.51 nicm 814: /* Remove data from buffer. */
1.93 nicm 815: evbuffer_drain(tty->in, size);
1.16 nicm 816:
1.51 nicm 817: /* Remove key timer. */
1.36 nicm 818: if (event_initialized(&tty->key_timer))
819: evtimer_del(&tty->key_timer);
1.51 nicm 820: tty->flags &= ~TTY_TIMER;
1.56 nicm 821:
822: /* Check for focus events. */
1.148 nicm 823: if (key == KEYC_FOCUS_OUT) {
1.149 ! nicm 824: c->flags &= ~CLIENT_FOCUSED;
! 825: window_update_focus(c->session->curw->window);
1.148 nicm 826: notify_client("client-focus-out", c);
827: } else if (key == KEYC_FOCUS_IN) {
1.149 ! nicm 828: c->flags |= CLIENT_FOCUSED;
1.148 nicm 829: notify_client("client-focus-in", c);
1.149 ! nicm 830: window_update_focus(c->session->curw->window);
1.148 nicm 831: }
1.16 nicm 832:
1.51 nicm 833: /* Fire the key. */
1.111 nicm 834: if (key != KEYC_UNKNOWN) {
835: event = xmalloc(sizeof *event);
836: event->key = key;
837: memcpy(&event->m, &m, sizeof event->m);
1.113 nicm 838: if (!server_client_handle_key(c, event))
839: free(event);
1.111 nicm 840: }
1.16 nicm 841:
1.14 nicm 842: return (1);
1.67 nicm 843:
844: discard_key:
1.94 nicm 845: log_debug("%s: discard key %.*s %#llx", c->name, (int)size, buf, key);
1.67 nicm 846:
847: /* Remove data from buffer. */
1.93 nicm 848: evbuffer_drain(tty->in, size);
1.67 nicm 849:
850: return (1);
1.14 nicm 851: }
852:
1.16 nicm 853: /* Key timer callback. */
1.86 nicm 854: static void
1.81 nicm 855: tty_keys_callback(__unused int fd, __unused short events, void *data)
1.14 nicm 856: {
857: struct tty *tty = data;
858:
1.51 nicm 859: if (tty->flags & TTY_TIMER) {
860: while (tty_keys_next(tty))
861: ;
862: }
1.133 nicm 863: }
864:
865: /*
866: * Handle extended key input. This has two forms: \033[27;m;k~ and \033[k;mu,
867: * where k is key as a number and m is a modifier. Returns 0 for success, -1
868: * for failure, 1 for partial;
869: */
870: static int
871: tty_keys_extended_key(struct tty *tty, const char *buf, size_t len,
872: size_t *size, key_code *key)
873: {
874: struct client *c = tty->client;
875: size_t end;
876: u_int number, modifiers;
877: char tmp[64];
1.143 nicm 878: cc_t bspace;
879: key_code nkey;
1.144 nicm 880: key_code onlykey;
1.133 nicm 881:
882: *size = 0;
883:
884: /* First two bytes are always \033[. */
885: if (buf[0] != '\033')
886: return (-1);
887: if (len == 1)
888: return (1);
889: if (buf[1] != '[')
890: return (-1);
891: if (len == 2)
892: return (1);
893:
894: /*
895: * Look for a terminator. Stop at either '~' or anything that isn't a
896: * number or ';'.
897: */
898: for (end = 2; end < len && end != sizeof tmp; end++) {
899: if (buf[end] == '~')
900: break;
901: if (!isdigit((u_char)buf[end]) && buf[end] != ';')
902: break;
903: }
904: if (end == len)
905: return (1);
906: if (end == sizeof tmp || (buf[end] != '~' && buf[end] != 'u'))
907: return (-1);
908:
909: /* Copy to the buffer. */
910: memcpy(tmp, buf + 2, end);
911: tmp[end] = '\0';
912:
913: /* Try to parse either form of key. */
914: if (buf[end] == '~') {
915: if (sscanf(tmp, "27;%u;%u", &modifiers, &number) != 2)
916: return (-1);
917: } else {
918: if (sscanf(tmp ,"%u;%u", &number, &modifiers) != 2)
919: return (-1);
920: }
921: *size = end + 1;
922:
1.143 nicm 923: /* Store the key. */
924: bspace = tty->tio.c_cc[VERASE];
925: if (bspace != _POSIX_VDISABLE && number == bspace)
926: nkey = KEYC_BSPACE;
927: else
928: nkey = number;
929:
930: /* Update the modifiers. */
1.133 nicm 931: switch (modifiers) {
932: case 2:
1.143 nicm 933: nkey |= KEYC_SHIFT;
1.133 nicm 934: break;
935: case 3:
1.143 nicm 936: nkey |= (KEYC_META|KEYC_IMPLIED_META);
1.133 nicm 937: break;
938: case 4:
1.143 nicm 939: nkey |= (KEYC_SHIFT|KEYC_META|KEYC_IMPLIED_META);
1.133 nicm 940: break;
941: case 5:
1.143 nicm 942: nkey |= KEYC_CTRL;
1.133 nicm 943: break;
944: case 6:
1.143 nicm 945: nkey |= (KEYC_SHIFT|KEYC_CTRL);
1.133 nicm 946: break;
947: case 7:
1.143 nicm 948: nkey |= (KEYC_META|KEYC_CTRL);
1.133 nicm 949: break;
950: case 8:
1.143 nicm 951: nkey |= (KEYC_SHIFT|KEYC_META|KEYC_IMPLIED_META|KEYC_CTRL);
1.133 nicm 952: break;
1.147 nicm 953: case 9:
954: nkey |= (KEYC_META|KEYC_IMPLIED_META);
955: break;
1.133 nicm 956: default:
957: *key = KEYC_NONE;
958: break;
959: }
1.143 nicm 960:
1.144 nicm 961: /*
962: * Don't allow both KEYC_CTRL and as an implied modifier. Also convert
963: * C-X into C-x and so on.
964: */
1.145 nicm 965: if (nkey & KEYC_CTRL) {
1.144 nicm 966: onlykey = (nkey & KEYC_MASK_KEY);
1.147 nicm 967: if (onlykey < 32 &&
968: onlykey != 9 &&
969: onlykey != 13 &&
970: onlykey != 27)
1.146 nicm 971: /* nothing */;
972: else if (onlykey >= 97 && onlykey <= 122)
973: onlykey -= 96;
974: else if (onlykey >= 64 && onlykey <= 95)
975: onlykey -= 64;
976: else if (onlykey == 32)
977: onlykey = 0;
978: else if (onlykey == 63)
979: onlykey = 127;
980: else
981: onlykey |= KEYC_CTRL;
982: nkey = onlykey|((nkey & KEYC_MASK_MODIFIERS) & ~KEYC_CTRL);
1.143 nicm 983: }
984:
1.133 nicm 985: if (log_get_level() != 0) {
986: log_debug("%s: extended key %.*s is %llx (%s)", c->name,
1.143 nicm 987: (int)*size, buf, nkey, key_string_lookup_key(nkey, 1));
1.133 nicm 988: }
1.143 nicm 989: *key = nkey;
1.133 nicm 990: return (0);
1.1 nicm 991: }
992:
1.27 nicm 993: /*
1.22 nicm 994: * Handle mouse key input. Returns 0 for success, -1 for failure, 1 for partial
995: * (probably a mouse sequence but need more data).
996: */
1.86 nicm 997: static int
1.111 nicm 998: tty_keys_mouse(struct tty *tty, const char *buf, size_t len, size_t *size,
999: struct mouse_event *m)
1.1 nicm 1000: {
1.111 nicm 1001: struct client *c = tty->client;
1002: u_int i, x, y, b, sgr_b;
1003: u_char sgr_type, ch;
1.33 nicm 1004:
1.1 nicm 1005: /*
1.33 nicm 1006: * Standard mouse sequences are \033[M followed by three characters
1.55 nicm 1007: * indicating button, X and Y, all based at 32 with 1,1 top-left.
1.33 nicm 1008: *
1009: * UTF-8 mouse sequences are similar but the three are expressed as
1010: * UTF-8 characters.
1.55 nicm 1011: *
1012: * SGR extended mouse sequences are \033[< followed by three numbers in
1013: * decimal and separated by semicolons indicating button, X and Y. A
1014: * trailing 'M' is click or scroll and trailing 'm' release. All are
1015: * based at 0 with 1,1 top-left.
1.1 nicm 1016: */
1017:
1.22 nicm 1018: *size = 0;
1.72 nicm 1019: x = y = b = sgr_b = 0;
1020: sgr_type = ' ';
1.22 nicm 1021:
1.55 nicm 1022: /* First two bytes are always \033[. */
1.22 nicm 1023: if (buf[0] != '\033')
1024: return (-1);
1025: if (len == 1)
1026: return (1);
1027: if (buf[1] != '[')
1028: return (-1);
1029: if (len == 2)
1030: return (1);
1031:
1.55 nicm 1032: /*
1.82 nicm 1033: * Third byte is M in old standard (and UTF-8 extension which we do not
1034: * support), < in SGR extension.
1.55 nicm 1035: */
1036: if (buf[2] == 'M') {
1037: /* Read the three inputs. */
1038: *size = 3;
1039: for (i = 0; i < 3; i++) {
1040: if (len <= *size)
1041: return (1);
1.94 nicm 1042: ch = (u_char)buf[(*size)++];
1.55 nicm 1043: if (i == 0)
1.94 nicm 1044: b = ch;
1.55 nicm 1045: else if (i == 1)
1.94 nicm 1046: x = ch;
1.55 nicm 1047: else
1.94 nicm 1048: y = ch;
1.33 nicm 1049: }
1.94 nicm 1050: log_debug("%s: mouse input: %.*s", c->name, (int)*size, buf);
1.16 nicm 1051:
1.55 nicm 1052: /* Check and return the mouse input. */
1.60 nicm 1053: if (b < 32)
1.55 nicm 1054: return (-1);
1055: b -= 32;
1.60 nicm 1056: if (x >= 33)
1057: x -= 33;
1058: else
1059: x = 256 - x;
1060: if (y >= 33)
1061: y -= 33;
1062: else
1063: y = 256 - y;
1.55 nicm 1064: } else if (buf[2] == '<') {
1065: /* Read the three inputs. */
1066: *size = 3;
1067: while (1) {
1068: if (len <= *size)
1069: return (1);
1.94 nicm 1070: ch = (u_char)buf[(*size)++];
1071: if (ch == ';')
1.55 nicm 1072: break;
1.94 nicm 1073: if (ch < '0' || ch > '9')
1.55 nicm 1074: return (-1);
1.94 nicm 1075: sgr_b = 10 * sgr_b + (ch - '0');
1.55 nicm 1076: }
1077: while (1) {
1078: if (len <= *size)
1079: return (1);
1.94 nicm 1080: ch = (u_char)buf[(*size)++];
1081: if (ch == ';')
1.55 nicm 1082: break;
1.94 nicm 1083: if (ch < '0' || ch > '9')
1.55 nicm 1084: return (-1);
1.94 nicm 1085: x = 10 * x + (ch - '0');
1.55 nicm 1086: }
1087: while (1) {
1088: if (len <= *size)
1089: return (1);
1.94 nicm 1090: ch = (u_char)buf[(*size)++];
1091: if (ch == 'M' || ch == 'm')
1.55 nicm 1092: break;
1.94 nicm 1093: if (ch < '0' || ch > '9')
1.55 nicm 1094: return (-1);
1.94 nicm 1095: y = 10 * y + (ch - '0');
1.55 nicm 1096: }
1.94 nicm 1097: log_debug("%s: mouse input (SGR): %.*s", c->name, (int)*size,
1098: buf);
1.1 nicm 1099:
1.55 nicm 1100: /* Check and return the mouse input. */
1101: if (x < 1 || y < 1)
1102: return (-1);
1103: x--;
1104: y--;
1.72 nicm 1105: b = sgr_b;
1106:
1107: /* Type is M for press, m for release. */
1.94 nicm 1108: sgr_type = ch;
1.72 nicm 1109: if (sgr_type == 'm')
1110: b |= 3;
1.67 nicm 1111:
1112: /*
1113: * Some terminals (like PuTTY 0.63) mistakenly send
1114: * button-release events for scroll-wheel button-press event.
1115: * Discard it before it reaches any program running inside
1116: * tmux.
1117: */
1.72 nicm 1118: if (sgr_type == 'm' && (sgr_b & 64))
1.67 nicm 1119: return (-2);
1.55 nicm 1120: } else
1.22 nicm 1121: return (-1);
1.45 nicm 1122:
1.72 nicm 1123: /* Fill mouse event. */
1.111 nicm 1124: m->lx = tty->mouse_last_x;
1.61 nicm 1125: m->x = x;
1.111 nicm 1126: m->ly = tty->mouse_last_y;
1.61 nicm 1127: m->y = y;
1.114 nicm 1128: m->lb = tty->mouse_last_b;
1.72 nicm 1129: m->b = b;
1130: m->sgr_type = sgr_type;
1131: m->sgr_b = sgr_b;
1.111 nicm 1132:
1133: /* Update last mouse state. */
1134: tty->mouse_last_x = x;
1135: tty->mouse_last_y = y;
1.114 nicm 1136: tty->mouse_last_b = b;
1.104 nicm 1137:
1138: return (0);
1139: }
1140:
1141: /*
1142: * Handle OSC 52 clipboard input. Returns 0 for success, -1 for failure, 1 for
1143: * partial.
1144: */
1145: static int
1146: tty_keys_clipboard(__unused struct tty *tty, const char *buf, size_t len,
1147: size_t *size)
1148: {
1149: size_t end, terminator, needed;
1150: char *copy, *out;
1151: int outlen;
1152:
1153: *size = 0;
1154:
1.128 nicm 1155: /* First five bytes are always \033]52;. */
1.104 nicm 1156: if (buf[0] != '\033')
1157: return (-1);
1158: if (len == 1)
1159: return (1);
1160: if (buf[1] != ']')
1161: return (-1);
1162: if (len == 2)
1163: return (1);
1164: if (buf[2] != '5')
1165: return (-1);
1166: if (len == 3)
1167: return (1);
1168: if (buf[3] != '2')
1169: return (-1);
1170: if (len == 4)
1171: return (1);
1172: if (buf[4] != ';')
1173: return (-1);
1174: if (len == 5)
1175: return (1);
1176:
1177: /* Find the terminator if any. */
1178: for (end = 5; end < len; end++) {
1179: if (buf[end] == '\007') {
1180: terminator = 1;
1181: break;
1182: }
1183: if (end > 5 && buf[end - 1] == '\033' && buf[end] == '\\') {
1184: terminator = 2;
1185: break;
1186: }
1187: }
1188: if (end == len)
1189: return (1);
1190: *size = end + terminator;
1191:
1192: /* Skip the initial part. */
1193: buf += 5;
1194: end -= 5;
1195:
1196: /* Get the second argument. */
1197: while (end != 0 && *buf != ';') {
1198: buf++;
1199: end--;
1200: }
1201: if (end == 0 || end == 1)
1202: return (0);
1203: buf++;
1204: end--;
1205:
1206: /* It has to be a string so copy it. */
1207: copy = xmalloc(end + 1);
1208: memcpy(copy, buf, end);
1209: copy[end] = '\0';
1210:
1211: /* Convert from base64. */
1212: needed = (end / 4) * 3;
1213: out = xmalloc(needed);
1214: if ((outlen = b64_pton(copy, out, len)) == -1) {
1215: free(out);
1216: free(copy);
1217: return (0);
1218: }
1219: free(copy);
1220:
1221: /* Create a new paste buffer. */
1222: log_debug("%s: %.*s", __func__, outlen, out);
1.108 nicm 1223: paste_add(NULL, out, outlen);
1.91 nicm 1224:
1225: return (0);
1226: }
1227:
1228: /*
1.124 nicm 1229: * Handle secondary device attributes input. Returns 0 for success, -1 for
1230: * failure, 1 for partial.
1.91 nicm 1231: */
1232: static int
1233: tty_keys_device_attributes(struct tty *tty, const char *buf, size_t len,
1234: size_t *size)
1235: {
1.118 nicm 1236: struct client *c = tty->client;
1237: u_int i, n = 0;
1238: char tmp[64], *endptr, p[32] = { 0 }, *cp, *next;
1.91 nicm 1239:
1240: *size = 0;
1.120 nicm 1241: if (tty->flags & TTY_HAVEDA)
1242: return (-1);
1.91 nicm 1243:
1.141 nicm 1244: /*
1245: * First three bytes are always \033[>. Some older Terminal.app
1246: * versions respond as for DA (\033[?) so accept and ignore that.
1247: */
1.91 nicm 1248: if (buf[0] != '\033')
1249: return (-1);
1250: if (len == 1)
1251: return (1);
1252: if (buf[1] != '[')
1253: return (-1);
1254: if (len == 2)
1255: return (1);
1.141 nicm 1256: if (buf[2] != '>' && buf[2] != '?')
1.91 nicm 1257: return (-1);
1258: if (len == 3)
1259: return (1);
1260:
1261: /* Copy the rest up to a 'c'. */
1.128 nicm 1262: for (i = 0; i < (sizeof tmp) - 1; i++) {
1.91 nicm 1263: if (3 + i == len)
1264: return (1);
1.128 nicm 1265: if (buf[3 + i] == 'c')
1266: break;
1.91 nicm 1267: tmp[i] = buf[3 + i];
1268: }
1269: if (i == (sizeof tmp) - 1)
1270: return (-1);
1271: tmp[i] = '\0';
1272: *size = 4 + i;
1.141 nicm 1273:
1274: /* Ignore DA response. */
1275: if (buf[2] == '?')
1276: return (0);
1.91 nicm 1277:
1.124 nicm 1278: /* Convert all arguments to numbers. */
1.116 nicm 1279: cp = tmp;
1280: while ((next = strsep(&cp, ";")) != NULL) {
1281: p[n] = strtoul(next, &endptr, 10);
1.117 nicm 1282: if (*endptr != '\0')
1.116 nicm 1283: p[n] = 0;
1284: n++;
1285: }
1.91 nicm 1286:
1.126 nicm 1287: /* Add terminal features. */
1.116 nicm 1288: switch (p[0]) {
1.124 nicm 1289: case 41: /* VT420 */
1.131 nicm 1290: tty_add_features(&c->term_features, "margins,rectfill", ",");
1.91 nicm 1291: break;
1.124 nicm 1292: case 'M': /* mintty */
1.130 nicm 1293: tty_default_features(&c->term_features, "mintty", 0);
1.124 nicm 1294: break;
1.126 nicm 1295: case 'T': /* tmux */
1.130 nicm 1296: tty_default_features(&c->term_features, "tmux", 0);
1.124 nicm 1297: break;
1298: case 'U': /* rxvt-unicode */
1.130 nicm 1299: tty_default_features(&c->term_features, "rxvt-unicode", 0);
1.124 nicm 1300: break;
1.91 nicm 1301: }
1.124 nicm 1302: log_debug("%s: received secondary DA %.*s", c->name, (int)*size, buf);
1.120 nicm 1303:
1.126 nicm 1304: tty_update_features(tty);
1.120 nicm 1305: tty->flags |= TTY_HAVEDA;
1306:
1.119 nicm 1307: return (0);
1308: }
1309:
1310: /*
1.128 nicm 1311: * Handle extended device attributes input. Returns 0 for success, -1 for
1312: * failure, 1 for partial.
1.119 nicm 1313: */
1314: static int
1.128 nicm 1315: tty_keys_extended_device_attributes(struct tty *tty, const char *buf,
1316: size_t len, size_t *size)
1.119 nicm 1317: {
1318: struct client *c = tty->client;
1319: u_int i;
1.130 nicm 1320: char tmp[128];
1.119 nicm 1321:
1322: *size = 0;
1.128 nicm 1323: if (tty->flags & TTY_HAVEXDA)
1.120 nicm 1324: return (-1);
1.119 nicm 1325:
1.128 nicm 1326: /* First four bytes are always \033P>|. */
1.119 nicm 1327: if (buf[0] != '\033')
1328: return (-1);
1329: if (len == 1)
1330: return (1);
1.128 nicm 1331: if (buf[1] != 'P')
1.119 nicm 1332: return (-1);
1333: if (len == 2)
1334: return (1);
1.128 nicm 1335: if (buf[2] != '>')
1.120 nicm 1336: return (-1);
1337: if (len == 3)
1338: return (1);
1.128 nicm 1339: if (buf[3] != '|')
1340: return (-1);
1341: if (len == 4)
1342: return (1);
1.119 nicm 1343:
1.128 nicm 1344: /* Copy the rest up to a '\033\\'. */
1345: for (i = 0; i < (sizeof tmp) - 1; i++) {
1346: if (4 + i == len)
1.119 nicm 1347: return (1);
1.128 nicm 1348: if (buf[4 + i - 1] == '\033' && buf[4 + i] == '\\')
1349: break;
1350: tmp[i] = buf[4 + i];
1.119 nicm 1351: }
1352: if (i == (sizeof tmp) - 1)
1353: return (-1);
1.128 nicm 1354: tmp[i - 1] = '\0';
1355: *size = 5 + i;
1.119 nicm 1356:
1.126 nicm 1357: /* Add terminal features. */
1.130 nicm 1358: if (strncmp(tmp, "iTerm2 ", 7) == 0)
1359: tty_default_features(&c->term_features, "iTerm2", 0);
1360: else if (strncmp(tmp, "tmux ", 5) == 0)
1361: tty_default_features(&c->term_features, "tmux", 0);
1362: else if (strncmp(tmp, "XTerm(", 6) == 0)
1.136 nicm 1363: tty_default_features(&c->term_features, "XTerm", 0);
1.130 nicm 1364: else if (strncmp(tmp, "mintty ", 7) == 0)
1365: tty_default_features(&c->term_features, "mintty", 0);
1.128 nicm 1366: log_debug("%s: received extended DA %.*s", c->name, (int)*size, buf);
1.130 nicm 1367:
1368: free(c->term_type);
1369: c->term_type = xstrdup(tmp);
1.120 nicm 1370:
1.126 nicm 1371: tty_update_features(tty);
1.128 nicm 1372: tty->flags |= TTY_HAVEXDA;
1.120 nicm 1373:
1.22 nicm 1374: return (0);
1.1 nicm 1375: }
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