Annotation of src/usr.bin/tmux/tty-keys.c, Revision 1.160
1.160 ! nicm 1: /* $OpenBSD: tty-keys.c,v 1.159 2022/11/01 09:54:13 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 *);
1.150 nicm 60:
61: /* A key tree entry. */
62: struct tty_key {
63: char ch;
64: key_code key;
65:
66: struct tty_key *left;
67: struct tty_key *right;
68:
69: struct tty_key *next;
70: };
1.1 nicm 71:
1.48 nicm 72: /* Default raw keys. */
73: struct tty_default_key_raw {
1.1 nicm 74: const char *string;
1.143 nicm 75: key_code key;
1.1 nicm 76: };
1.90 nicm 77: static const struct tty_default_key_raw tty_default_raw_keys[] = {
1.125 nicm 78: /* Application escape. */
79: { "\033O[", '\033' },
80:
1.1 nicm 81: /*
1.8 nicm 82: * Numeric keypad. Just use the vt100 escape sequences here and always
83: * put the terminal into keypad_xmit mode. Translation of numbers
84: * mode/applications mode is done in input-keys.c.
1.1 nicm 85: */
1.132 nicm 86: { "\033Oo", KEYC_KP_SLASH|KEYC_KEYPAD },
87: { "\033Oj", KEYC_KP_STAR|KEYC_KEYPAD },
88: { "\033Om", KEYC_KP_MINUS|KEYC_KEYPAD },
89: { "\033Ow", KEYC_KP_SEVEN|KEYC_KEYPAD },
90: { "\033Ox", KEYC_KP_EIGHT|KEYC_KEYPAD },
91: { "\033Oy", KEYC_KP_NINE|KEYC_KEYPAD },
92: { "\033Ok", KEYC_KP_PLUS|KEYC_KEYPAD },
93: { "\033Ot", KEYC_KP_FOUR|KEYC_KEYPAD },
94: { "\033Ou", KEYC_KP_FIVE|KEYC_KEYPAD },
95: { "\033Ov", KEYC_KP_SIX|KEYC_KEYPAD },
96: { "\033Oq", KEYC_KP_ONE|KEYC_KEYPAD },
97: { "\033Or", KEYC_KP_TWO|KEYC_KEYPAD },
98: { "\033Os", KEYC_KP_THREE|KEYC_KEYPAD },
99: { "\033OM", KEYC_KP_ENTER|KEYC_KEYPAD },
100: { "\033Op", KEYC_KP_ZERO|KEYC_KEYPAD },
101: { "\033On", KEYC_KP_PERIOD|KEYC_KEYPAD },
1.10 nicm 102:
1.29 nicm 103: /* Arrow keys. */
1.132 nicm 104: { "\033OA", KEYC_UP|KEYC_CURSOR },
105: { "\033OB", KEYC_DOWN|KEYC_CURSOR },
106: { "\033OC", KEYC_RIGHT|KEYC_CURSOR },
107: { "\033OD", KEYC_LEFT|KEYC_CURSOR },
108:
109: { "\033[A", KEYC_UP|KEYC_CURSOR },
110: { "\033[B", KEYC_DOWN|KEYC_CURSOR },
111: { "\033[C", KEYC_RIGHT|KEYC_CURSOR },
112: { "\033[D", KEYC_LEFT|KEYC_CURSOR },
1.57 nicm 113:
1.142 nicm 114: /*
115: * Meta arrow keys. These do not get the IMPLIED_META flag so they
116: * don't match the xterm-style meta keys in the output tree - Escape+Up
117: * should stay as Escape+Up and not become M-Up.
118: */
119: { "\033\033OA", KEYC_UP|KEYC_CURSOR|KEYC_META },
120: { "\033\033OB", KEYC_DOWN|KEYC_CURSOR|KEYC_META },
121: { "\033\033OC", KEYC_RIGHT|KEYC_CURSOR|KEYC_META },
122: { "\033\033OD", KEYC_LEFT|KEYC_CURSOR|KEYC_META },
123:
124: { "\033\033[A", KEYC_UP|KEYC_CURSOR|KEYC_META },
125: { "\033\033[B", KEYC_DOWN|KEYC_CURSOR|KEYC_META },
126: { "\033\033[C", KEYC_RIGHT|KEYC_CURSOR|KEYC_META },
127: { "\033\033[D", KEYC_LEFT|KEYC_CURSOR|KEYC_META },
1.140 nicm 128:
1.157 nicm 129: /* Other xterm keys. */
1.57 nicm 130: { "\033OH", KEYC_HOME },
131: { "\033OF", KEYC_END },
132:
1.140 nicm 133: { "\033\033OH", KEYC_HOME|KEYC_META|KEYC_IMPLIED_META },
134: { "\033\033OF", KEYC_END|KEYC_META|KEYC_IMPLIED_META },
135:
1.57 nicm 136: { "\033[H", KEYC_HOME },
137: { "\033[F", KEYC_END },
1.140 nicm 138:
139: { "\033\033[H", KEYC_HOME|KEYC_META|KEYC_IMPLIED_META },
140: { "\033\033[F", KEYC_END|KEYC_META|KEYC_IMPLIED_META },
1.21 nicm 141:
1.157 nicm 142: /* rxvt arrow keys. */
1.48 nicm 143: { "\033Oa", KEYC_UP|KEYC_CTRL },
144: { "\033Ob", KEYC_DOWN|KEYC_CTRL },
145: { "\033Oc", KEYC_RIGHT|KEYC_CTRL },
146: { "\033Od", KEYC_LEFT|KEYC_CTRL },
147:
148: { "\033[a", KEYC_UP|KEYC_SHIFT },
149: { "\033[b", KEYC_DOWN|KEYC_SHIFT },
150: { "\033[c", KEYC_RIGHT|KEYC_SHIFT },
151: { "\033[d", KEYC_LEFT|KEYC_SHIFT },
152:
1.157 nicm 153: /* rxvt function keys. */
154: { "\033[11~", KEYC_F1 },
155: { "\033[12~", KEYC_F2 },
156: { "\033[13~", KEYC_F3 },
157: { "\033[14~", KEYC_F4 },
158: { "\033[15~", KEYC_F5 },
159: { "\033[17~", KEYC_F6 },
160: { "\033[18~", KEYC_F7 },
161: { "\033[19~", KEYC_F8 },
162: { "\033[20~", KEYC_F9 },
163: { "\033[21~", KEYC_F10 },
164:
165: { "\033[23~", KEYC_F1|KEYC_SHIFT },
166: { "\033[24~", KEYC_F2|KEYC_SHIFT },
167: { "\033[25~", KEYC_F3|KEYC_SHIFT },
168: { "\033[26~", KEYC_F4|KEYC_SHIFT },
169: { "\033[28~", KEYC_F5|KEYC_SHIFT },
170: { "\033[29~", KEYC_F6|KEYC_SHIFT },
171: { "\033[31~", KEYC_F7|KEYC_SHIFT },
172: { "\033[32~", KEYC_F8|KEYC_SHIFT },
173: { "\033[33~", KEYC_F9|KEYC_SHIFT },
174: { "\033[34~", KEYC_F10|KEYC_SHIFT },
175: { "\033[23$", KEYC_F11|KEYC_SHIFT },
176: { "\033[24$", KEYC_F12|KEYC_SHIFT },
177:
1.48 nicm 178: { "\033[11^", KEYC_F1|KEYC_CTRL },
179: { "\033[12^", KEYC_F2|KEYC_CTRL },
180: { "\033[13^", KEYC_F3|KEYC_CTRL },
181: { "\033[14^", KEYC_F4|KEYC_CTRL },
182: { "\033[15^", KEYC_F5|KEYC_CTRL },
183: { "\033[17^", KEYC_F6|KEYC_CTRL },
184: { "\033[18^", KEYC_F7|KEYC_CTRL },
185: { "\033[19^", KEYC_F8|KEYC_CTRL },
186: { "\033[20^", KEYC_F9|KEYC_CTRL },
187: { "\033[21^", KEYC_F10|KEYC_CTRL },
188: { "\033[23^", KEYC_F11|KEYC_CTRL },
189: { "\033[24^", KEYC_F12|KEYC_CTRL },
190:
191: { "\033[11@", KEYC_F1|KEYC_CTRL|KEYC_SHIFT },
192: { "\033[12@", KEYC_F2|KEYC_CTRL|KEYC_SHIFT },
193: { "\033[13@", KEYC_F3|KEYC_CTRL|KEYC_SHIFT },
194: { "\033[14@", KEYC_F4|KEYC_CTRL|KEYC_SHIFT },
195: { "\033[15@", KEYC_F5|KEYC_CTRL|KEYC_SHIFT },
196: { "\033[17@", KEYC_F6|KEYC_CTRL|KEYC_SHIFT },
197: { "\033[18@", KEYC_F7|KEYC_CTRL|KEYC_SHIFT },
198: { "\033[19@", KEYC_F8|KEYC_CTRL|KEYC_SHIFT },
199: { "\033[20@", KEYC_F9|KEYC_CTRL|KEYC_SHIFT },
200: { "\033[21@", KEYC_F10|KEYC_CTRL|KEYC_SHIFT },
201: { "\033[23@", KEYC_F11|KEYC_CTRL|KEYC_SHIFT },
202: { "\033[24@", KEYC_F12|KEYC_CTRL|KEYC_SHIFT },
1.56 nicm 203:
204: /* Focus tracking. */
205: { "\033[I", KEYC_FOCUS_IN },
206: { "\033[O", KEYC_FOCUS_OUT },
1.98 nicm 207:
208: /* Paste keys. */
209: { "\033[200~", KEYC_PASTE_START },
210: { "\033[201~", KEYC_PASTE_END },
1.159 nicm 211:
212: /* Extended keys. */
1.160 ! nicm 213: { "\033[1;5Z", '\011'|KEYC_CTRL|KEYC_SHIFT },
1.48 nicm 214: };
1.29 nicm 215:
1.132 nicm 216: /* Default xterm keys. */
217: struct tty_default_key_xterm {
218: const char *template;
219: key_code key;
220: };
221: static const struct tty_default_key_xterm tty_default_xterm_keys[] = {
222: { "\033[1;_P", KEYC_F1 },
223: { "\033O1;_P", KEYC_F1 },
224: { "\033O_P", KEYC_F1 },
225: { "\033[1;_Q", KEYC_F2 },
226: { "\033O1;_Q", KEYC_F2 },
227: { "\033O_Q", KEYC_F2 },
228: { "\033[1;_R", KEYC_F3 },
229: { "\033O1;_R", KEYC_F3 },
230: { "\033O_R", KEYC_F3 },
231: { "\033[1;_S", KEYC_F4 },
232: { "\033O1;_S", KEYC_F4 },
233: { "\033O_S", KEYC_F4 },
234: { "\033[15;_~", KEYC_F5 },
235: { "\033[17;_~", KEYC_F6 },
236: { "\033[18;_~", KEYC_F7 },
237: { "\033[19;_~", KEYC_F8 },
238: { "\033[20;_~", KEYC_F9 },
239: { "\033[21;_~", KEYC_F10 },
240: { "\033[23;_~", KEYC_F11 },
241: { "\033[24;_~", KEYC_F12 },
242: { "\033[1;_A", KEYC_UP },
243: { "\033[1;_B", KEYC_DOWN },
244: { "\033[1;_C", KEYC_RIGHT },
245: { "\033[1;_D", KEYC_LEFT },
246: { "\033[1;_H", KEYC_HOME },
247: { "\033[1;_F", KEYC_END },
248: { "\033[5;_~", KEYC_PPAGE },
249: { "\033[6;_~", KEYC_NPAGE },
250: { "\033[2;_~", KEYC_IC },
251: { "\033[3;_~", KEYC_DC },
252: };
253: static const key_code tty_default_xterm_modifiers[] = {
254: 0,
255: 0,
1.135 nicm 256: KEYC_SHIFT,
257: KEYC_META|KEYC_IMPLIED_META,
258: KEYC_SHIFT|KEYC_META|KEYC_IMPLIED_META,
259: KEYC_CTRL,
260: KEYC_SHIFT|KEYC_CTRL,
261: KEYC_META|KEYC_IMPLIED_META|KEYC_CTRL,
1.147 nicm 262: KEYC_SHIFT|KEYC_META|KEYC_IMPLIED_META|KEYC_CTRL,
263: KEYC_META|KEYC_IMPLIED_META
1.132 nicm 264: };
265:
1.103 nicm 266: /*
1.132 nicm 267: * Default terminfo(5) keys. Any keys that have builtin modifiers (that is,
268: * where the key itself contains the modifiers) has the KEYC_XTERM flag set so
269: * a leading escape is not treated as meta (and probably removed).
1.103 nicm 270: */
1.48 nicm 271: struct tty_default_key_code {
272: enum tty_code_code code;
1.143 nicm 273: key_code key;
1.48 nicm 274: };
1.90 nicm 275: static const struct tty_default_key_code tty_default_code_keys[] = {
1.29 nicm 276: /* Function keys. */
1.48 nicm 277: { TTYC_KF1, KEYC_F1 },
278: { TTYC_KF2, KEYC_F2 },
279: { TTYC_KF3, KEYC_F3 },
280: { TTYC_KF4, KEYC_F4 },
281: { TTYC_KF5, KEYC_F5 },
282: { TTYC_KF6, KEYC_F6 },
283: { TTYC_KF7, KEYC_F7 },
284: { TTYC_KF8, KEYC_F8 },
285: { TTYC_KF9, KEYC_F9 },
286: { TTYC_KF10, KEYC_F10 },
287: { TTYC_KF11, KEYC_F11 },
288: { TTYC_KF12, KEYC_F12 },
1.70 nicm 289:
1.135 nicm 290: { TTYC_KF13, KEYC_F1|KEYC_SHIFT },
291: { TTYC_KF14, KEYC_F2|KEYC_SHIFT },
292: { TTYC_KF15, KEYC_F3|KEYC_SHIFT },
293: { TTYC_KF16, KEYC_F4|KEYC_SHIFT },
294: { TTYC_KF17, KEYC_F5|KEYC_SHIFT },
295: { TTYC_KF18, KEYC_F6|KEYC_SHIFT },
296: { TTYC_KF19, KEYC_F7|KEYC_SHIFT },
297: { TTYC_KF20, KEYC_F8|KEYC_SHIFT },
298: { TTYC_KF21, KEYC_F9|KEYC_SHIFT },
299: { TTYC_KF22, KEYC_F10|KEYC_SHIFT },
300: { TTYC_KF23, KEYC_F11|KEYC_SHIFT },
301: { TTYC_KF24, KEYC_F12|KEYC_SHIFT },
302:
303: { TTYC_KF25, KEYC_F1|KEYC_CTRL },
304: { TTYC_KF26, KEYC_F2|KEYC_CTRL },
305: { TTYC_KF27, KEYC_F3|KEYC_CTRL },
306: { TTYC_KF28, KEYC_F4|KEYC_CTRL },
307: { TTYC_KF29, KEYC_F5|KEYC_CTRL },
308: { TTYC_KF30, KEYC_F6|KEYC_CTRL },
309: { TTYC_KF31, KEYC_F7|KEYC_CTRL },
310: { TTYC_KF32, KEYC_F8|KEYC_CTRL },
311: { TTYC_KF33, KEYC_F9|KEYC_CTRL },
312: { TTYC_KF34, KEYC_F10|KEYC_CTRL },
313: { TTYC_KF35, KEYC_F11|KEYC_CTRL },
314: { TTYC_KF36, KEYC_F12|KEYC_CTRL },
315:
316: { TTYC_KF37, KEYC_F1|KEYC_SHIFT|KEYC_CTRL },
317: { TTYC_KF38, KEYC_F2|KEYC_SHIFT|KEYC_CTRL },
318: { TTYC_KF39, KEYC_F3|KEYC_SHIFT|KEYC_CTRL },
319: { TTYC_KF40, KEYC_F4|KEYC_SHIFT|KEYC_CTRL },
320: { TTYC_KF41, KEYC_F5|KEYC_SHIFT|KEYC_CTRL },
321: { TTYC_KF42, KEYC_F6|KEYC_SHIFT|KEYC_CTRL },
322: { TTYC_KF43, KEYC_F7|KEYC_SHIFT|KEYC_CTRL },
323: { TTYC_KF44, KEYC_F8|KEYC_SHIFT|KEYC_CTRL },
324: { TTYC_KF45, KEYC_F9|KEYC_SHIFT|KEYC_CTRL },
325: { TTYC_KF46, KEYC_F10|KEYC_SHIFT|KEYC_CTRL },
326: { TTYC_KF47, KEYC_F11|KEYC_SHIFT|KEYC_CTRL },
327: { TTYC_KF48, KEYC_F12|KEYC_SHIFT|KEYC_CTRL },
328:
329: { TTYC_KF49, KEYC_F1|KEYC_META|KEYC_IMPLIED_META },
330: { TTYC_KF50, KEYC_F2|KEYC_META|KEYC_IMPLIED_META },
331: { TTYC_KF51, KEYC_F3|KEYC_META|KEYC_IMPLIED_META },
332: { TTYC_KF52, KEYC_F4|KEYC_META|KEYC_IMPLIED_META },
333: { TTYC_KF53, KEYC_F5|KEYC_META|KEYC_IMPLIED_META },
334: { TTYC_KF54, KEYC_F6|KEYC_META|KEYC_IMPLIED_META },
335: { TTYC_KF55, KEYC_F7|KEYC_META|KEYC_IMPLIED_META },
336: { TTYC_KF56, KEYC_F8|KEYC_META|KEYC_IMPLIED_META },
337: { TTYC_KF57, KEYC_F9|KEYC_META|KEYC_IMPLIED_META },
338: { TTYC_KF58, KEYC_F10|KEYC_META|KEYC_IMPLIED_META },
339: { TTYC_KF59, KEYC_F11|KEYC_META|KEYC_IMPLIED_META },
340: { TTYC_KF60, KEYC_F12|KEYC_META|KEYC_IMPLIED_META },
341:
342: { TTYC_KF61, KEYC_F1|KEYC_META|KEYC_IMPLIED_META|KEYC_SHIFT },
343: { TTYC_KF62, KEYC_F2|KEYC_META|KEYC_IMPLIED_META|KEYC_SHIFT },
344: { TTYC_KF63, KEYC_F3|KEYC_META|KEYC_IMPLIED_META|KEYC_SHIFT },
1.70 nicm 345:
1.48 nicm 346: { TTYC_KICH1, KEYC_IC },
347: { TTYC_KDCH1, KEYC_DC },
348: { TTYC_KHOME, KEYC_HOME },
349: { TTYC_KEND, KEYC_END },
350: { TTYC_KNP, KEYC_NPAGE },
351: { TTYC_KPP, KEYC_PPAGE },
352: { TTYC_KCBT, KEYC_BTAB },
1.29 nicm 353:
354: /* Arrow keys from terminfo. */
1.132 nicm 355: { TTYC_KCUU1, KEYC_UP|KEYC_CURSOR },
356: { TTYC_KCUD1, KEYC_DOWN|KEYC_CURSOR },
357: { TTYC_KCUB1, KEYC_LEFT|KEYC_CURSOR },
358: { TTYC_KCUF1, KEYC_RIGHT|KEYC_CURSOR },
1.29 nicm 359:
1.103 nicm 360: /* Key and modifier capabilities. */
1.135 nicm 361: { TTYC_KDC2, KEYC_DC|KEYC_SHIFT },
362: { TTYC_KDC3, KEYC_DC|KEYC_META|KEYC_IMPLIED_META },
363: { TTYC_KDC4, KEYC_DC|KEYC_SHIFT|KEYC_META|KEYC_IMPLIED_META },
364: { TTYC_KDC5, KEYC_DC|KEYC_CTRL },
365: { TTYC_KDC6, KEYC_DC|KEYC_SHIFT|KEYC_CTRL },
366: { TTYC_KDC7, KEYC_DC|KEYC_META|KEYC_IMPLIED_META|KEYC_CTRL },
367: { TTYC_KIND, KEYC_DOWN|KEYC_SHIFT },
368: { TTYC_KDN2, KEYC_DOWN|KEYC_SHIFT },
369: { TTYC_KDN3, KEYC_DOWN|KEYC_META|KEYC_IMPLIED_META },
370: { TTYC_KDN4, KEYC_DOWN|KEYC_SHIFT|KEYC_META|KEYC_IMPLIED_META },
371: { TTYC_KDN5, KEYC_DOWN|KEYC_CTRL },
372: { TTYC_KDN6, KEYC_DOWN|KEYC_SHIFT|KEYC_CTRL },
373: { TTYC_KDN7, KEYC_DOWN|KEYC_META|KEYC_IMPLIED_META|KEYC_CTRL },
374: { TTYC_KEND2, KEYC_END|KEYC_SHIFT },
375: { TTYC_KEND3, KEYC_END|KEYC_META|KEYC_IMPLIED_META },
376: { TTYC_KEND4, KEYC_END|KEYC_SHIFT|KEYC_META|KEYC_IMPLIED_META },
377: { TTYC_KEND5, KEYC_END|KEYC_CTRL },
378: { TTYC_KEND6, KEYC_END|KEYC_SHIFT|KEYC_CTRL },
379: { TTYC_KEND7, KEYC_END|KEYC_META|KEYC_IMPLIED_META|KEYC_CTRL },
380: { TTYC_KHOM2, KEYC_HOME|KEYC_SHIFT },
381: { TTYC_KHOM3, KEYC_HOME|KEYC_META|KEYC_IMPLIED_META },
382: { TTYC_KHOM4, KEYC_HOME|KEYC_SHIFT|KEYC_META|KEYC_IMPLIED_META },
383: { TTYC_KHOM5, KEYC_HOME|KEYC_CTRL },
384: { TTYC_KHOM6, KEYC_HOME|KEYC_SHIFT|KEYC_CTRL },
385: { TTYC_KHOM7, KEYC_HOME|KEYC_META|KEYC_IMPLIED_META|KEYC_CTRL },
386: { TTYC_KIC2, KEYC_IC|KEYC_SHIFT },
387: { TTYC_KIC3, KEYC_IC|KEYC_META|KEYC_IMPLIED_META },
388: { TTYC_KIC4, KEYC_IC|KEYC_SHIFT|KEYC_META|KEYC_IMPLIED_META },
389: { TTYC_KIC5, KEYC_IC|KEYC_CTRL },
390: { TTYC_KIC6, KEYC_IC|KEYC_SHIFT|KEYC_CTRL },
391: { TTYC_KIC7, KEYC_IC|KEYC_META|KEYC_IMPLIED_META|KEYC_CTRL },
392: { TTYC_KLFT2, KEYC_LEFT|KEYC_SHIFT },
393: { TTYC_KLFT3, KEYC_LEFT|KEYC_META|KEYC_IMPLIED_META },
394: { TTYC_KLFT4, KEYC_LEFT|KEYC_SHIFT|KEYC_META|KEYC_IMPLIED_META },
395: { TTYC_KLFT5, KEYC_LEFT|KEYC_CTRL },
396: { TTYC_KLFT6, KEYC_LEFT|KEYC_SHIFT|KEYC_CTRL },
397: { TTYC_KLFT7, KEYC_LEFT|KEYC_META|KEYC_IMPLIED_META|KEYC_CTRL },
398: { TTYC_KNXT2, KEYC_NPAGE|KEYC_SHIFT },
399: { TTYC_KNXT3, KEYC_NPAGE|KEYC_META|KEYC_IMPLIED_META },
400: { TTYC_KNXT4, KEYC_NPAGE|KEYC_SHIFT|KEYC_META|KEYC_IMPLIED_META },
401: { TTYC_KNXT5, KEYC_NPAGE|KEYC_CTRL },
402: { TTYC_KNXT6, KEYC_NPAGE|KEYC_SHIFT|KEYC_CTRL },
403: { TTYC_KNXT7, KEYC_NPAGE|KEYC_META|KEYC_IMPLIED_META|KEYC_CTRL },
404: { TTYC_KPRV2, KEYC_PPAGE|KEYC_SHIFT },
405: { TTYC_KPRV3, KEYC_PPAGE|KEYC_META|KEYC_IMPLIED_META },
406: { TTYC_KPRV4, KEYC_PPAGE|KEYC_SHIFT|KEYC_META|KEYC_IMPLIED_META },
407: { TTYC_KPRV5, KEYC_PPAGE|KEYC_CTRL },
408: { TTYC_KPRV6, KEYC_PPAGE|KEYC_SHIFT|KEYC_CTRL },
409: { TTYC_KPRV7, KEYC_PPAGE|KEYC_META|KEYC_IMPLIED_META|KEYC_CTRL },
410: { TTYC_KRIT2, KEYC_RIGHT|KEYC_SHIFT },
411: { TTYC_KRIT3, KEYC_RIGHT|KEYC_META|KEYC_IMPLIED_META },
412: { TTYC_KRIT4, KEYC_RIGHT|KEYC_SHIFT|KEYC_META|KEYC_IMPLIED_META },
413: { TTYC_KRIT5, KEYC_RIGHT|KEYC_CTRL },
414: { TTYC_KRIT6, KEYC_RIGHT|KEYC_SHIFT|KEYC_CTRL },
415: { TTYC_KRIT7, KEYC_RIGHT|KEYC_META|KEYC_IMPLIED_META|KEYC_CTRL },
416: { TTYC_KRI, KEYC_UP|KEYC_SHIFT },
417: { TTYC_KUP2, KEYC_UP|KEYC_SHIFT },
418: { TTYC_KUP3, KEYC_UP|KEYC_META|KEYC_IMPLIED_META },
419: { TTYC_KUP4, KEYC_UP|KEYC_SHIFT|KEYC_META|KEYC_IMPLIED_META },
420: { TTYC_KUP5, KEYC_UP|KEYC_CTRL },
421: { TTYC_KUP6, KEYC_UP|KEYC_SHIFT|KEYC_CTRL },
422: { TTYC_KUP7, KEYC_UP|KEYC_META|KEYC_IMPLIED_META|KEYC_CTRL },
1.1 nicm 423: };
424:
1.48 nicm 425: /* Add key to tree. */
1.86 nicm 426: static void
1.76 nicm 427: tty_keys_add(struct tty *tty, const char *s, key_code key)
1.16 nicm 428: {
1.29 nicm 429: struct tty_key *tk;
430: size_t size;
1.143 nicm 431: const char *keystr;
1.1 nicm 432:
1.135 nicm 433: keystr = key_string_lookup_key(key, 1);
1.29 nicm 434: if ((tk = tty_keys_find(tty, s, strlen(s), &size)) == NULL) {
1.76 nicm 435: log_debug("new key %s: 0x%llx (%s)", s, key, keystr);
1.16 nicm 436: tty_keys_add1(&tty->key_tree, s, key);
1.29 nicm 437: } else {
1.76 nicm 438: log_debug("replacing key %s: 0x%llx (%s)", s, key, keystr);
1.29 nicm 439: tk->key = key;
1.16 nicm 440: }
1.1 nicm 441: }
442:
1.16 nicm 443: /* Add next node to the tree. */
1.86 nicm 444: static void
1.76 nicm 445: tty_keys_add1(struct tty_key **tkp, const char *s, key_code key)
1.1 nicm 446: {
1.16 nicm 447: struct tty_key *tk;
1.1 nicm 448:
1.16 nicm 449: /* Allocate a tree entry if there isn't one already. */
450: tk = *tkp;
451: if (tk == NULL) {
452: tk = *tkp = xcalloc(1, sizeof *tk);
453: tk->ch = *s;
1.83 nicm 454: tk->key = KEYC_UNKNOWN;
1.16 nicm 455: }
456:
457: /* Find the next entry. */
458: if (*s == tk->ch) {
459: /* Move forward in string. */
460: s++;
461:
462: /* If this is the end of the string, no more is necessary. */
463: if (*s == '\0') {
464: tk->key = key;
465: return;
466: }
467:
468: /* Use the child tree for the next character. */
469: tkp = &tk->next;
1.27 nicm 470: } else {
1.16 nicm 471: if (*s < tk->ch)
472: tkp = &tk->left;
473: else if (*s > tk->ch)
474: tkp = &tk->right;
475: }
476:
477: /* And recurse to add it. */
478: tty_keys_add1(tkp, s, key);
1.1 nicm 479: }
480:
1.16 nicm 481: /* Initialise a key tree from the table. */
1.1 nicm 482: void
1.48 nicm 483: tty_keys_build(struct tty *tty)
1.1 nicm 484: {
1.48 nicm 485: const struct tty_default_key_raw *tdkr;
1.132 nicm 486: const struct tty_default_key_xterm *tdkx;
1.48 nicm 487: const struct tty_default_key_code *tdkc;
1.143 nicm 488: u_int i, j;
1.109 nicm 489: const char *s;
1.99 nicm 490: struct options_entry *o;
1.107 nicm 491: struct options_array_item *a;
1.109 nicm 492: union options_value *ov;
1.132 nicm 493: char copy[16];
494: key_code key;
1.1 nicm 495:
1.48 nicm 496: if (tty->key_tree != NULL)
1.71 nicm 497: tty_keys_free(tty);
1.16 nicm 498: tty->key_tree = NULL;
1.1 nicm 499:
1.132 nicm 500: for (i = 0; i < nitems(tty_default_xterm_keys); i++) {
501: tdkx = &tty_default_xterm_keys[i];
502: for (j = 2; j < nitems(tty_default_xterm_modifiers); j++) {
503: strlcpy(copy, tdkx->template, sizeof copy);
504: copy[strcspn(copy, "_")] = '0' + j;
505:
506: key = tdkx->key|tty_default_xterm_modifiers[j];
507: tty_keys_add(tty, copy, key);
508: }
509: }
1.48 nicm 510: for (i = 0; i < nitems(tty_default_raw_keys); i++) {
511: tdkr = &tty_default_raw_keys[i];
512:
513: s = tdkr->string;
1.51 nicm 514: if (*s != '\0')
515: tty_keys_add(tty, s, tdkr->key);
1.48 nicm 516: }
517: for (i = 0; i < nitems(tty_default_code_keys); i++) {
518: tdkc = &tty_default_code_keys[i];
519:
520: s = tty_term_string(tty->term, tdkc->code);
1.51 nicm 521: if (*s != '\0')
522: tty_keys_add(tty, s, tdkc->key);
1.1 nicm 523:
1.99 nicm 524: }
525:
526: o = options_get(global_options, "user-keys");
1.107 nicm 527: if (o != NULL) {
528: a = options_array_first(o);
529: while (a != NULL) {
1.112 nicm 530: i = options_array_item_index(a);
1.109 nicm 531: ov = options_array_item_value(a);
1.110 nicm 532: tty_keys_add(tty, ov->string, KEYC_USER + i);
1.107 nicm 533: a = options_array_next(a);
1.99 nicm 534: }
1.1 nicm 535: }
536: }
537:
1.16 nicm 538: /* Free the entire key tree. */
1.1 nicm 539: void
540: tty_keys_free(struct tty *tty)
541: {
1.16 nicm 542: tty_keys_free1(tty->key_tree);
543: }
1.1 nicm 544:
1.16 nicm 545: /* Free a single key. */
1.86 nicm 546: static void
1.16 nicm 547: tty_keys_free1(struct tty_key *tk)
548: {
549: if (tk->next != NULL)
550: tty_keys_free1(tk->next);
551: if (tk->left != NULL)
552: tty_keys_free1(tk->left);
553: if (tk->right != NULL)
554: tty_keys_free1(tk->right);
1.42 nicm 555: free(tk);
1.1 nicm 556: }
557:
1.16 nicm 558: /* Lookup a key in the tree. */
1.86 nicm 559: static struct tty_key *
1.16 nicm 560: tty_keys_find(struct tty *tty, const char *buf, size_t len, size_t *size)
1.1 nicm 561: {
1.16 nicm 562: *size = 0;
563: return (tty_keys_find1(tty->key_tree, buf, len, size));
564: }
1.1 nicm 565:
1.16 nicm 566: /* Find the next node. */
1.86 nicm 567: static struct tty_key *
1.16 nicm 568: tty_keys_find1(struct tty_key *tk, const char *buf, size_t len, size_t *size)
569: {
1.106 nicm 570: /* If no data, no match. */
571: if (len == 0)
572: return (NULL);
573:
1.16 nicm 574: /* If the node is NULL, this is the end of the tree. No match. */
575: if (tk == NULL)
1.1 nicm 576: return (NULL);
577:
1.16 nicm 578: /* Pick the next in the sequence. */
579: if (tk->ch == *buf) {
580: /* Move forward in the string. */
581: buf++; len--;
582: (*size)++;
1.1 nicm 583:
1.16 nicm 584: /* At the end of the string, return the current node. */
1.83 nicm 585: if (len == 0 || (tk->next == NULL && tk->key != KEYC_UNKNOWN))
1.16 nicm 586: return (tk);
1.1 nicm 587:
1.16 nicm 588: /* Move into the next tree for the following character. */
589: tk = tk->next;
590: } else {
591: if (*buf < tk->ch)
592: tk = tk->left;
593: else if (*buf > tk->ch)
594: tk = tk->right;
1.1 nicm 595: }
596:
1.16 nicm 597: /* Move to the next in the tree. */
598: return (tty_keys_find1(tk, buf, len, size));
1.1 nicm 599: }
600:
1.86 nicm 601: /* Look up part of the next key. */
602: static int
603: tty_keys_next1(struct tty *tty, const char *buf, size_t len, key_code *key,
1.87 nicm 604: size_t *size, int expired)
1.86 nicm 605: {
1.94 nicm 606: struct client *c = tty->client;
1.86 nicm 607: struct tty_key *tk, *tk1;
608: struct utf8_data ud;
609: enum utf8_state more;
1.138 nicm 610: utf8_char uc;
1.86 nicm 611: u_int i;
612:
1.94 nicm 613: log_debug("%s: next key is %zu (%.*s) (expired=%d)", c->name, len,
614: (int)len, buf, expired);
1.86 nicm 615:
616: /* Is this a known key? */
617: tk = tty_keys_find(tty, buf, len, size);
1.87 nicm 618: if (tk != NULL && tk->key != KEYC_UNKNOWN) {
1.86 nicm 619: tk1 = tk;
620: do
1.94 nicm 621: log_debug("%s: keys in list: %#llx", c->name, tk1->key);
1.86 nicm 622: while ((tk1 = tk1->next) != NULL);
1.87 nicm 623: if (tk->next != NULL && !expired)
624: return (1);
1.86 nicm 625: *key = tk->key;
1.87 nicm 626: return (0);
1.86 nicm 627: }
1.97 nicm 628:
1.86 nicm 629: /* Is this valid UTF-8? */
630: more = utf8_open(&ud, (u_char)*buf);
631: if (more == UTF8_MORE) {
632: *size = ud.size;
1.87 nicm 633: if (len < ud.size) {
634: if (!expired)
635: return (1);
636: return (-1);
637: }
1.86 nicm 638: for (i = 1; i < ud.size; i++)
639: more = utf8_append(&ud, (u_char)buf[i]);
640: if (more != UTF8_DONE)
1.87 nicm 641: return (-1);
1.86 nicm 642:
1.138 nicm 643: if (utf8_from_data(&ud, &uc) != UTF8_DONE)
1.87 nicm 644: return (-1);
1.138 nicm 645: *key = uc;
1.86 nicm 646:
1.94 nicm 647: log_debug("%s: UTF-8 key %.*s %#llx", c->name, (int)ud.size,
1.138 nicm 648: ud.data, *key);
1.86 nicm 649: return (0);
650: }
651:
652: return (-1);
653: }
654:
1.111 nicm 655: /* Process at least one key in the buffer. Return 0 if no keys present. */
656: int
1.14 nicm 657: tty_keys_next(struct tty *tty)
1.1 nicm 658: {
1.111 nicm 659: struct client *c = tty->client;
660: struct timeval tv;
661: const char *buf;
662: size_t len, size;
663: cc_t bspace;
664: int delay, expired = 0, n;
665: key_code key;
666: struct mouse_event m = { 0 };
667: struct key_event *event;
1.1 nicm 668:
1.51 nicm 669: /* Get key buffer. */
1.93 nicm 670: buf = EVBUFFER_DATA(tty->in);
671: len = EVBUFFER_LENGTH(tty->in);
1.1 nicm 672: if (len == 0)
1.14 nicm 673: return (0);
1.94 nicm 674: log_debug("%s: keys are %zu (%.*s)", c->name, len, (int)len, buf);
1.1 nicm 675:
1.104 nicm 676: /* Is this a clipboard response? */
677: switch (tty_keys_clipboard(tty, buf, len, &size)) {
678: case 0: /* yes */
679: key = KEYC_UNKNOWN;
680: goto complete_key;
681: case -1: /* no, or not valid */
682: break;
683: case 1: /* partial */
684: goto partial_key;
685: }
686:
1.91 nicm 687: /* Is this a device attributes response? */
688: switch (tty_keys_device_attributes(tty, buf, len, &size)) {
689: case 0: /* yes */
690: key = KEYC_UNKNOWN;
691: goto complete_key;
692: case -1: /* no, or not valid */
693: break;
694: case 1: /* partial */
695: goto partial_key;
696: }
697:
1.128 nicm 698: /* Is this an extended device attributes response? */
699: switch (tty_keys_extended_device_attributes(tty, buf, len, &size)) {
1.119 nicm 700: case 0: /* yes */
701: key = KEYC_UNKNOWN;
702: goto complete_key;
703: case -1: /* no, or not valid */
704: break;
705: case 1: /* partial */
706: goto partial_key;
707: }
708:
1.26 nicm 709: /* Is this a mouse key press? */
1.111 nicm 710: switch (tty_keys_mouse(tty, buf, len, &size, &m)) {
1.22 nicm 711: case 0: /* yes */
712: key = KEYC_MOUSE;
1.51 nicm 713: goto complete_key;
1.22 nicm 714: case -1: /* no, or not valid */
1.24 nicm 715: break;
1.67 nicm 716: case -2: /* yes, but we don't care. */
1.73 nicm 717: key = KEYC_MOUSE;
1.67 nicm 718: goto discard_key;
1.22 nicm 719: case 1: /* partial */
720: goto partial_key;
1.11 nicm 721: }
722:
1.133 nicm 723: /* Is this an extended key press? */
724: switch (tty_keys_extended_key(tty, buf, len, &size, &key)) {
725: case 0: /* yes */
726: goto complete_key;
727: case -1: /* no, or not valid */
728: break;
729: case 1: /* partial */
730: goto partial_key;
731: }
732:
1.86 nicm 733: first_key:
1.101 nicm 734: /* Try to lookup complete key. */
735: n = tty_keys_next1(tty, buf, len, &key, &size, expired);
736: if (n == 0) /* found */
737: goto complete_key;
738: if (n == 1)
739: goto partial_key;
740:
741: /*
742: * If not a complete key, look for key with an escape prefix (meta
743: * modifier).
744: */
1.105 nicm 745: if (*buf == '\033' && len > 1) {
1.87 nicm 746: /* Look for a key without the escape. */
747: n = tty_keys_next1(tty, buf + 1, len - 1, &key, &size, expired);
748: if (n == 0) { /* found */
1.135 nicm 749: if (key & KEYC_IMPLIED_META) {
1.97 nicm 750: /*
751: * We want the escape key as well as the xterm
752: * key, because the xterm sequence implicitly
753: * includes the escape (so if we see
754: * \033\033[1;3D we know it is an Escape
755: * followed by M-Left, not just M-Left).
756: */
757: key = '\033';
758: size = 1;
759: goto complete_key;
760: }
1.134 nicm 761: key |= KEYC_META;
1.87 nicm 762: size++;
763: goto complete_key;
764: }
765: if (n == 1) /* partial */
1.62 nicm 766: goto partial_key;
1.89 nicm 767: }
1.1 nicm 768:
1.89 nicm 769: /*
770: * At this point, we know the key is not partial (with or without
771: * escape). So pass it through even if the timer has not expired.
772: */
773: if (*buf == '\033' && len >= 2) {
1.134 nicm 774: key = (u_char)buf[1] | KEYC_META;
1.89 nicm 775: size = 2;
776: } else {
777: key = (u_char)buf[0];
778: size = 1;
1.76 nicm 779: }
1.51 nicm 780: goto complete_key;
781:
782: partial_key:
1.94 nicm 783: log_debug("%s: partial key %.*s", c->name, (int)len, buf);
1.14 nicm 784:
1.51 nicm 785: /* If timer is going, check for expiration. */
786: if (tty->flags & TTY_TIMER) {
787: if (evtimer_initialized(&tty->key_timer) &&
1.59 nicm 788: !evtimer_pending(&tty->key_timer, NULL)) {
789: expired = 1;
1.51 nicm 790: goto first_key;
1.59 nicm 791: }
1.39 nicm 792: return (0);
1.51 nicm 793: }
1.39 nicm 794:
1.51 nicm 795: /* Get the time period. */
1.75 nicm 796: delay = options_get_number(global_options, "escape-time");
1.156 nicm 797: if (delay == 0)
798: delay = 1;
1.28 nicm 799: tv.tv_sec = delay / 1000;
800: tv.tv_usec = (delay % 1000) * 1000L;
1.27 nicm 801:
1.51 nicm 802: /* Start the timer. */
1.36 nicm 803: if (event_initialized(&tty->key_timer))
804: evtimer_del(&tty->key_timer);
1.14 nicm 805: evtimer_set(&tty->key_timer, tty_keys_callback, tty);
806: evtimer_add(&tty->key_timer, &tv);
1.27 nicm 807:
1.51 nicm 808: tty->flags |= TTY_TIMER;
1.14 nicm 809: return (0);
1.1 nicm 810:
1.51 nicm 811: complete_key:
1.94 nicm 812: log_debug("%s: complete key %.*s %#llx", c->name, (int)size, buf, key);
1.88 nicm 813:
814: /*
815: * Check for backspace key using termios VERASE - the terminfo
816: * kbs entry is extremely unreliable, so cannot be safely
817: * used. termios should have a better idea.
818: */
819: bspace = tty->tio.c_cc[VERASE];
820: if (bspace != _POSIX_VDISABLE && (key & KEYC_MASK_KEY) == bspace)
1.135 nicm 821: key = (key & KEYC_MASK_MODIFIERS)|KEYC_BSPACE;
1.16 nicm 822:
1.51 nicm 823: /* Remove data from buffer. */
1.93 nicm 824: evbuffer_drain(tty->in, size);
1.16 nicm 825:
1.51 nicm 826: /* Remove key timer. */
1.36 nicm 827: if (event_initialized(&tty->key_timer))
828: evtimer_del(&tty->key_timer);
1.51 nicm 829: tty->flags &= ~TTY_TIMER;
1.56 nicm 830:
831: /* Check for focus events. */
1.148 nicm 832: if (key == KEYC_FOCUS_OUT) {
1.149 nicm 833: c->flags &= ~CLIENT_FOCUSED;
834: window_update_focus(c->session->curw->window);
1.148 nicm 835: notify_client("client-focus-out", c);
836: } else if (key == KEYC_FOCUS_IN) {
1.149 nicm 837: c->flags |= CLIENT_FOCUSED;
1.148 nicm 838: notify_client("client-focus-in", c);
1.149 nicm 839: window_update_focus(c->session->curw->window);
1.148 nicm 840: }
1.16 nicm 841:
1.51 nicm 842: /* Fire the key. */
1.111 nicm 843: if (key != KEYC_UNKNOWN) {
844: event = xmalloc(sizeof *event);
845: event->key = key;
846: memcpy(&event->m, &m, sizeof event->m);
1.113 nicm 847: if (!server_client_handle_key(c, event))
848: free(event);
1.111 nicm 849: }
1.16 nicm 850:
1.14 nicm 851: return (1);
1.67 nicm 852:
853: discard_key:
1.94 nicm 854: log_debug("%s: discard key %.*s %#llx", c->name, (int)size, buf, key);
1.67 nicm 855:
856: /* Remove data from buffer. */
1.93 nicm 857: evbuffer_drain(tty->in, size);
1.67 nicm 858:
859: return (1);
1.14 nicm 860: }
861:
1.16 nicm 862: /* Key timer callback. */
1.86 nicm 863: static void
1.81 nicm 864: tty_keys_callback(__unused int fd, __unused short events, void *data)
1.14 nicm 865: {
866: struct tty *tty = data;
867:
1.51 nicm 868: if (tty->flags & TTY_TIMER) {
869: while (tty_keys_next(tty))
870: ;
871: }
1.133 nicm 872: }
873:
874: /*
875: * Handle extended key input. This has two forms: \033[27;m;k~ and \033[k;mu,
876: * where k is key as a number and m is a modifier. Returns 0 for success, -1
877: * for failure, 1 for partial;
878: */
879: static int
880: tty_keys_extended_key(struct tty *tty, const char *buf, size_t len,
881: size_t *size, key_code *key)
882: {
883: struct client *c = tty->client;
884: size_t end;
885: u_int number, modifiers;
886: char tmp[64];
1.143 nicm 887: cc_t bspace;
888: key_code nkey;
1.144 nicm 889: key_code onlykey;
1.133 nicm 890:
891: *size = 0;
892:
893: /* First two bytes are always \033[. */
894: if (buf[0] != '\033')
895: return (-1);
896: if (len == 1)
897: return (1);
898: if (buf[1] != '[')
899: return (-1);
900: if (len == 2)
901: return (1);
902:
903: /*
904: * Look for a terminator. Stop at either '~' or anything that isn't a
905: * number or ';'.
906: */
907: for (end = 2; end < len && end != sizeof tmp; end++) {
908: if (buf[end] == '~')
909: break;
910: if (!isdigit((u_char)buf[end]) && buf[end] != ';')
911: break;
912: }
913: if (end == len)
914: return (1);
915: if (end == sizeof tmp || (buf[end] != '~' && buf[end] != 'u'))
916: return (-1);
917:
918: /* Copy to the buffer. */
919: memcpy(tmp, buf + 2, end);
920: tmp[end] = '\0';
921:
922: /* Try to parse either form of key. */
923: if (buf[end] == '~') {
924: if (sscanf(tmp, "27;%u;%u", &modifiers, &number) != 2)
925: return (-1);
926: } else {
927: if (sscanf(tmp ,"%u;%u", &number, &modifiers) != 2)
928: return (-1);
929: }
930: *size = end + 1;
931:
1.143 nicm 932: /* Store the key. */
933: bspace = tty->tio.c_cc[VERASE];
934: if (bspace != _POSIX_VDISABLE && number == bspace)
935: nkey = KEYC_BSPACE;
936: else
937: nkey = number;
938:
939: /* Update the modifiers. */
1.158 nicm 940: if (modifiers > 0) {
941: modifiers--;
942: if (modifiers & 1)
943: nkey |= KEYC_SHIFT;
944: if (modifiers & 2)
945: nkey |= (KEYC_META|KEYC_IMPLIED_META); /* Alt */
946: if (modifiers & 4)
947: nkey |= KEYC_CTRL;
948: if (modifiers & 8)
949: nkey |= (KEYC_META|KEYC_IMPLIED_META); /* Meta */
1.133 nicm 950: }
1.143 nicm 951:
1.144 nicm 952: /*
953: * Don't allow both KEYC_CTRL and as an implied modifier. Also convert
954: * C-X into C-x and so on.
955: */
1.145 nicm 956: if (nkey & KEYC_CTRL) {
1.144 nicm 957: onlykey = (nkey & KEYC_MASK_KEY);
1.147 nicm 958: if (onlykey < 32 &&
959: onlykey != 9 &&
960: onlykey != 13 &&
961: onlykey != 27)
1.146 nicm 962: /* nothing */;
963: else if (onlykey >= 97 && onlykey <= 122)
964: onlykey -= 96;
965: else if (onlykey >= 64 && onlykey <= 95)
966: onlykey -= 64;
967: else if (onlykey == 32)
968: onlykey = 0;
969: else if (onlykey == 63)
970: onlykey = 127;
971: else
972: onlykey |= KEYC_CTRL;
973: nkey = onlykey|((nkey & KEYC_MASK_MODIFIERS) & ~KEYC_CTRL);
1.143 nicm 974: }
975:
1.133 nicm 976: if (log_get_level() != 0) {
977: log_debug("%s: extended key %.*s is %llx (%s)", c->name,
1.143 nicm 978: (int)*size, buf, nkey, key_string_lookup_key(nkey, 1));
1.133 nicm 979: }
1.160 ! nicm 980: *key = nkey;
1.133 nicm 981: return (0);
1.1 nicm 982: }
983:
1.27 nicm 984: /*
1.22 nicm 985: * Handle mouse key input. Returns 0 for success, -1 for failure, 1 for partial
986: * (probably a mouse sequence but need more data).
987: */
1.86 nicm 988: static int
1.111 nicm 989: tty_keys_mouse(struct tty *tty, const char *buf, size_t len, size_t *size,
990: struct mouse_event *m)
1.1 nicm 991: {
1.111 nicm 992: struct client *c = tty->client;
993: u_int i, x, y, b, sgr_b;
994: u_char sgr_type, ch;
1.33 nicm 995:
1.1 nicm 996: /*
1.33 nicm 997: * Standard mouse sequences are \033[M followed by three characters
1.55 nicm 998: * indicating button, X and Y, all based at 32 with 1,1 top-left.
1.33 nicm 999: *
1000: * UTF-8 mouse sequences are similar but the three are expressed as
1001: * UTF-8 characters.
1.55 nicm 1002: *
1003: * SGR extended mouse sequences are \033[< followed by three numbers in
1004: * decimal and separated by semicolons indicating button, X and Y. A
1005: * trailing 'M' is click or scroll and trailing 'm' release. All are
1006: * based at 0 with 1,1 top-left.
1.1 nicm 1007: */
1008:
1.22 nicm 1009: *size = 0;
1.72 nicm 1010: x = y = b = sgr_b = 0;
1011: sgr_type = ' ';
1.22 nicm 1012:
1.55 nicm 1013: /* First two bytes are always \033[. */
1.22 nicm 1014: if (buf[0] != '\033')
1015: return (-1);
1016: if (len == 1)
1017: return (1);
1018: if (buf[1] != '[')
1019: return (-1);
1020: if (len == 2)
1021: return (1);
1022:
1.55 nicm 1023: /*
1.82 nicm 1024: * Third byte is M in old standard (and UTF-8 extension which we do not
1025: * support), < in SGR extension.
1.55 nicm 1026: */
1027: if (buf[2] == 'M') {
1028: /* Read the three inputs. */
1029: *size = 3;
1030: for (i = 0; i < 3; i++) {
1031: if (len <= *size)
1032: return (1);
1.94 nicm 1033: ch = (u_char)buf[(*size)++];
1.55 nicm 1034: if (i == 0)
1.94 nicm 1035: b = ch;
1.55 nicm 1036: else if (i == 1)
1.94 nicm 1037: x = ch;
1.55 nicm 1038: else
1.94 nicm 1039: y = ch;
1.33 nicm 1040: }
1.94 nicm 1041: log_debug("%s: mouse input: %.*s", c->name, (int)*size, buf);
1.16 nicm 1042:
1.55 nicm 1043: /* Check and return the mouse input. */
1.155 nicm 1044: if (b < MOUSE_PARAM_BTN_OFF ||
1045: x < MOUSE_PARAM_POS_OFF ||
1046: y < MOUSE_PARAM_POS_OFF)
1.55 nicm 1047: return (-1);
1.155 nicm 1048: b -= MOUSE_PARAM_BTN_OFF;
1049: x -= MOUSE_PARAM_POS_OFF;
1050: y -= MOUSE_PARAM_POS_OFF;
1.55 nicm 1051: } else if (buf[2] == '<') {
1052: /* Read the three inputs. */
1053: *size = 3;
1054: while (1) {
1055: if (len <= *size)
1056: return (1);
1.94 nicm 1057: ch = (u_char)buf[(*size)++];
1058: if (ch == ';')
1.55 nicm 1059: break;
1.94 nicm 1060: if (ch < '0' || ch > '9')
1.55 nicm 1061: return (-1);
1.94 nicm 1062: sgr_b = 10 * sgr_b + (ch - '0');
1.55 nicm 1063: }
1064: while (1) {
1065: if (len <= *size)
1066: return (1);
1.94 nicm 1067: ch = (u_char)buf[(*size)++];
1068: if (ch == ';')
1.55 nicm 1069: break;
1.94 nicm 1070: if (ch < '0' || ch > '9')
1.55 nicm 1071: return (-1);
1.94 nicm 1072: x = 10 * x + (ch - '0');
1.55 nicm 1073: }
1074: while (1) {
1075: if (len <= *size)
1076: return (1);
1.94 nicm 1077: ch = (u_char)buf[(*size)++];
1078: if (ch == 'M' || ch == 'm')
1.55 nicm 1079: break;
1.94 nicm 1080: if (ch < '0' || ch > '9')
1.55 nicm 1081: return (-1);
1.94 nicm 1082: y = 10 * y + (ch - '0');
1.55 nicm 1083: }
1.94 nicm 1084: log_debug("%s: mouse input (SGR): %.*s", c->name, (int)*size,
1085: buf);
1.1 nicm 1086:
1.55 nicm 1087: /* Check and return the mouse input. */
1088: if (x < 1 || y < 1)
1089: return (-1);
1090: x--;
1091: y--;
1.72 nicm 1092: b = sgr_b;
1093:
1094: /* Type is M for press, m for release. */
1.94 nicm 1095: sgr_type = ch;
1.72 nicm 1096: if (sgr_type == 'm')
1.153 nicm 1097: b = 3;
1.67 nicm 1098:
1099: /*
1100: * Some terminals (like PuTTY 0.63) mistakenly send
1101: * button-release events for scroll-wheel button-press event.
1102: * Discard it before it reaches any program running inside
1103: * tmux.
1104: */
1.153 nicm 1105: if (sgr_type == 'm' && MOUSE_WHEEL(sgr_b))
1.67 nicm 1106: return (-2);
1.55 nicm 1107: } else
1.22 nicm 1108: return (-1);
1.45 nicm 1109:
1.72 nicm 1110: /* Fill mouse event. */
1.111 nicm 1111: m->lx = tty->mouse_last_x;
1.61 nicm 1112: m->x = x;
1.111 nicm 1113: m->ly = tty->mouse_last_y;
1.61 nicm 1114: m->y = y;
1.114 nicm 1115: m->lb = tty->mouse_last_b;
1.72 nicm 1116: m->b = b;
1117: m->sgr_type = sgr_type;
1118: m->sgr_b = sgr_b;
1.111 nicm 1119:
1120: /* Update last mouse state. */
1121: tty->mouse_last_x = x;
1122: tty->mouse_last_y = y;
1.114 nicm 1123: tty->mouse_last_b = b;
1.104 nicm 1124:
1125: return (0);
1126: }
1127:
1128: /*
1129: * Handle OSC 52 clipboard input. Returns 0 for success, -1 for failure, 1 for
1130: * partial.
1131: */
1132: static int
1.154 nicm 1133: tty_keys_clipboard(struct tty *tty, const char *buf, size_t len, size_t *size)
1.104 nicm 1134: {
1.154 nicm 1135: struct client *c = tty->client;
1136: struct window_pane *wp;
1137: size_t end, terminator, needed;
1138: char *copy, *out;
1139: int outlen;
1140: u_int i;
1.104 nicm 1141:
1142: *size = 0;
1143:
1.128 nicm 1144: /* First five bytes are always \033]52;. */
1.104 nicm 1145: if (buf[0] != '\033')
1146: return (-1);
1147: if (len == 1)
1148: return (1);
1149: if (buf[1] != ']')
1150: return (-1);
1151: if (len == 2)
1152: return (1);
1153: if (buf[2] != '5')
1154: return (-1);
1155: if (len == 3)
1156: return (1);
1157: if (buf[3] != '2')
1158: return (-1);
1159: if (len == 4)
1160: return (1);
1161: if (buf[4] != ';')
1162: return (-1);
1163: if (len == 5)
1164: return (1);
1165:
1166: /* Find the terminator if any. */
1167: for (end = 5; end < len; end++) {
1168: if (buf[end] == '\007') {
1169: terminator = 1;
1170: break;
1171: }
1172: if (end > 5 && buf[end - 1] == '\033' && buf[end] == '\\') {
1173: terminator = 2;
1174: break;
1175: }
1176: }
1177: if (end == len)
1178: return (1);
1179: *size = end + terminator;
1180:
1181: /* Skip the initial part. */
1182: buf += 5;
1183: end -= 5;
1.151 nicm 1184:
1185: /* Adjust end so that it points to the start of the terminator. */
1186: end -= terminator - 1;
1.104 nicm 1187:
1188: /* Get the second argument. */
1189: while (end != 0 && *buf != ';') {
1190: buf++;
1191: end--;
1192: }
1193: if (end == 0 || end == 1)
1194: return (0);
1195: buf++;
1196: end--;
1.152 nicm 1197:
1198: /* If we did not request this, ignore it. */
1199: if (~tty->flags & TTY_OSC52QUERY)
1200: return (0);
1201: tty->flags &= ~TTY_OSC52QUERY;
1.154 nicm 1202: evtimer_del(&tty->clipboard_timer);
1.104 nicm 1203:
1204: /* It has to be a string so copy it. */
1205: copy = xmalloc(end + 1);
1206: memcpy(copy, buf, end);
1207: copy[end] = '\0';
1208:
1209: /* Convert from base64. */
1210: needed = (end / 4) * 3;
1211: out = xmalloc(needed);
1212: if ((outlen = b64_pton(copy, out, len)) == -1) {
1213: free(out);
1214: free(copy);
1215: return (0);
1216: }
1217: free(copy);
1218:
1.154 nicm 1219: /* Create a new paste buffer and forward to panes. */
1.104 nicm 1220: log_debug("%s: %.*s", __func__, outlen, out);
1.154 nicm 1221: if (c->flags & CLIENT_CLIPBOARDBUFFER) {
1222: paste_add(NULL, out, outlen);
1223: c->flags &= ~CLIENT_CLIPBOARDBUFFER;
1224: }
1225: for (i = 0; i < c->clipboard_npanes; i++) {
1226: wp = window_pane_find_by_id(c->clipboard_panes[i]);
1227: if (wp != NULL)
1228: input_reply_clipboard(wp->event, out, outlen, "\033\\");
1229: }
1230: free(c->clipboard_panes);
1231: c->clipboard_panes = NULL;
1232: c->clipboard_npanes = 0;
1.91 nicm 1233:
1234: return (0);
1235: }
1236:
1237: /*
1.124 nicm 1238: * Handle secondary device attributes input. Returns 0 for success, -1 for
1239: * failure, 1 for partial.
1.91 nicm 1240: */
1241: static int
1242: tty_keys_device_attributes(struct tty *tty, const char *buf, size_t len,
1243: size_t *size)
1244: {
1.118 nicm 1245: struct client *c = tty->client;
1246: u_int i, n = 0;
1247: char tmp[64], *endptr, p[32] = { 0 }, *cp, *next;
1.91 nicm 1248:
1249: *size = 0;
1.120 nicm 1250: if (tty->flags & TTY_HAVEDA)
1251: return (-1);
1.91 nicm 1252:
1.141 nicm 1253: /*
1254: * First three bytes are always \033[>. Some older Terminal.app
1255: * versions respond as for DA (\033[?) so accept and ignore that.
1256: */
1.91 nicm 1257: if (buf[0] != '\033')
1258: return (-1);
1259: if (len == 1)
1260: return (1);
1261: if (buf[1] != '[')
1262: return (-1);
1263: if (len == 2)
1264: return (1);
1.141 nicm 1265: if (buf[2] != '>' && buf[2] != '?')
1.91 nicm 1266: return (-1);
1267: if (len == 3)
1268: return (1);
1269:
1270: /* Copy the rest up to a 'c'. */
1.128 nicm 1271: for (i = 0; i < (sizeof tmp) - 1; i++) {
1.91 nicm 1272: if (3 + i == len)
1273: return (1);
1.128 nicm 1274: if (buf[3 + i] == 'c')
1275: break;
1.91 nicm 1276: tmp[i] = buf[3 + i];
1277: }
1278: if (i == (sizeof tmp) - 1)
1279: return (-1);
1280: tmp[i] = '\0';
1281: *size = 4 + i;
1.141 nicm 1282:
1283: /* Ignore DA response. */
1284: if (buf[2] == '?')
1285: return (0);
1.91 nicm 1286:
1.124 nicm 1287: /* Convert all arguments to numbers. */
1.116 nicm 1288: cp = tmp;
1289: while ((next = strsep(&cp, ";")) != NULL) {
1290: p[n] = strtoul(next, &endptr, 10);
1.117 nicm 1291: if (*endptr != '\0')
1.116 nicm 1292: p[n] = 0;
1293: n++;
1294: }
1.91 nicm 1295:
1.126 nicm 1296: /* Add terminal features. */
1.116 nicm 1297: switch (p[0]) {
1.124 nicm 1298: case 41: /* VT420 */
1.131 nicm 1299: tty_add_features(&c->term_features, "margins,rectfill", ",");
1.91 nicm 1300: break;
1.124 nicm 1301: case 'M': /* mintty */
1.130 nicm 1302: tty_default_features(&c->term_features, "mintty", 0);
1.124 nicm 1303: break;
1.126 nicm 1304: case 'T': /* tmux */
1.130 nicm 1305: tty_default_features(&c->term_features, "tmux", 0);
1.124 nicm 1306: break;
1307: case 'U': /* rxvt-unicode */
1.130 nicm 1308: tty_default_features(&c->term_features, "rxvt-unicode", 0);
1.124 nicm 1309: break;
1.91 nicm 1310: }
1.124 nicm 1311: log_debug("%s: received secondary DA %.*s", c->name, (int)*size, buf);
1.120 nicm 1312:
1.126 nicm 1313: tty_update_features(tty);
1.120 nicm 1314: tty->flags |= TTY_HAVEDA;
1315:
1.119 nicm 1316: return (0);
1317: }
1318:
1319: /*
1.128 nicm 1320: * Handle extended device attributes input. Returns 0 for success, -1 for
1321: * failure, 1 for partial.
1.119 nicm 1322: */
1323: static int
1.128 nicm 1324: tty_keys_extended_device_attributes(struct tty *tty, const char *buf,
1325: size_t len, size_t *size)
1.119 nicm 1326: {
1327: struct client *c = tty->client;
1328: u_int i;
1.130 nicm 1329: char tmp[128];
1.119 nicm 1330:
1331: *size = 0;
1.128 nicm 1332: if (tty->flags & TTY_HAVEXDA)
1.120 nicm 1333: return (-1);
1.119 nicm 1334:
1.128 nicm 1335: /* First four bytes are always \033P>|. */
1.119 nicm 1336: if (buf[0] != '\033')
1337: return (-1);
1338: if (len == 1)
1339: return (1);
1.128 nicm 1340: if (buf[1] != 'P')
1.119 nicm 1341: return (-1);
1342: if (len == 2)
1343: return (1);
1.128 nicm 1344: if (buf[2] != '>')
1.120 nicm 1345: return (-1);
1346: if (len == 3)
1347: return (1);
1.128 nicm 1348: if (buf[3] != '|')
1349: return (-1);
1350: if (len == 4)
1351: return (1);
1.119 nicm 1352:
1.128 nicm 1353: /* Copy the rest up to a '\033\\'. */
1354: for (i = 0; i < (sizeof tmp) - 1; i++) {
1355: if (4 + i == len)
1.119 nicm 1356: return (1);
1.128 nicm 1357: if (buf[4 + i - 1] == '\033' && buf[4 + i] == '\\')
1358: break;
1359: tmp[i] = buf[4 + i];
1.119 nicm 1360: }
1361: if (i == (sizeof tmp) - 1)
1362: return (-1);
1.128 nicm 1363: tmp[i - 1] = '\0';
1364: *size = 5 + i;
1.119 nicm 1365:
1.126 nicm 1366: /* Add terminal features. */
1.130 nicm 1367: if (strncmp(tmp, "iTerm2 ", 7) == 0)
1368: tty_default_features(&c->term_features, "iTerm2", 0);
1369: else if (strncmp(tmp, "tmux ", 5) == 0)
1370: tty_default_features(&c->term_features, "tmux", 0);
1371: else if (strncmp(tmp, "XTerm(", 6) == 0)
1.136 nicm 1372: tty_default_features(&c->term_features, "XTerm", 0);
1.130 nicm 1373: else if (strncmp(tmp, "mintty ", 7) == 0)
1374: tty_default_features(&c->term_features, "mintty", 0);
1.128 nicm 1375: log_debug("%s: received extended DA %.*s", c->name, (int)*size, buf);
1.130 nicm 1376:
1377: free(c->term_type);
1378: c->term_type = xstrdup(tmp);
1.120 nicm 1379:
1.126 nicm 1380: tty_update_features(tty);
1.128 nicm 1381: tty->flags |= TTY_HAVEXDA;
1.120 nicm 1382:
1.22 nicm 1383: return (0);
1.1 nicm 1384: }
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