Annotation of src/usr.bin/tmux/tty-keys.c, Revision 1.158
1.158 ! nicm 1: /* $OpenBSD: tty-keys.c,v 1.157 2022/06/14 07:29:00 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 },
1.48 nicm 211: };
1.29 nicm 212:
1.132 nicm 213: /* Default xterm keys. */
214: struct tty_default_key_xterm {
215: const char *template;
216: key_code key;
217: };
218: static const struct tty_default_key_xterm tty_default_xterm_keys[] = {
219: { "\033[1;_P", KEYC_F1 },
220: { "\033O1;_P", KEYC_F1 },
221: { "\033O_P", KEYC_F1 },
222: { "\033[1;_Q", KEYC_F2 },
223: { "\033O1;_Q", KEYC_F2 },
224: { "\033O_Q", KEYC_F2 },
225: { "\033[1;_R", KEYC_F3 },
226: { "\033O1;_R", KEYC_F3 },
227: { "\033O_R", KEYC_F3 },
228: { "\033[1;_S", KEYC_F4 },
229: { "\033O1;_S", KEYC_F4 },
230: { "\033O_S", KEYC_F4 },
231: { "\033[15;_~", KEYC_F5 },
232: { "\033[17;_~", KEYC_F6 },
233: { "\033[18;_~", KEYC_F7 },
234: { "\033[19;_~", KEYC_F8 },
235: { "\033[20;_~", KEYC_F9 },
236: { "\033[21;_~", KEYC_F10 },
237: { "\033[23;_~", KEYC_F11 },
238: { "\033[24;_~", KEYC_F12 },
239: { "\033[1;_A", KEYC_UP },
240: { "\033[1;_B", KEYC_DOWN },
241: { "\033[1;_C", KEYC_RIGHT },
242: { "\033[1;_D", KEYC_LEFT },
243: { "\033[1;_H", KEYC_HOME },
244: { "\033[1;_F", KEYC_END },
245: { "\033[5;_~", KEYC_PPAGE },
246: { "\033[6;_~", KEYC_NPAGE },
247: { "\033[2;_~", KEYC_IC },
248: { "\033[3;_~", KEYC_DC },
249: };
250: static const key_code tty_default_xterm_modifiers[] = {
251: 0,
252: 0,
1.135 nicm 253: KEYC_SHIFT,
254: KEYC_META|KEYC_IMPLIED_META,
255: KEYC_SHIFT|KEYC_META|KEYC_IMPLIED_META,
256: KEYC_CTRL,
257: KEYC_SHIFT|KEYC_CTRL,
258: KEYC_META|KEYC_IMPLIED_META|KEYC_CTRL,
1.147 nicm 259: KEYC_SHIFT|KEYC_META|KEYC_IMPLIED_META|KEYC_CTRL,
260: KEYC_META|KEYC_IMPLIED_META
1.132 nicm 261: };
262:
1.103 nicm 263: /*
1.132 nicm 264: * Default terminfo(5) keys. Any keys that have builtin modifiers (that is,
265: * where the key itself contains the modifiers) has the KEYC_XTERM flag set so
266: * a leading escape is not treated as meta (and probably removed).
1.103 nicm 267: */
1.48 nicm 268: struct tty_default_key_code {
269: enum tty_code_code code;
1.143 nicm 270: key_code key;
1.48 nicm 271: };
1.90 nicm 272: static const struct tty_default_key_code tty_default_code_keys[] = {
1.29 nicm 273: /* Function keys. */
1.48 nicm 274: { TTYC_KF1, KEYC_F1 },
275: { TTYC_KF2, KEYC_F2 },
276: { TTYC_KF3, KEYC_F3 },
277: { TTYC_KF4, KEYC_F4 },
278: { TTYC_KF5, KEYC_F5 },
279: { TTYC_KF6, KEYC_F6 },
280: { TTYC_KF7, KEYC_F7 },
281: { TTYC_KF8, KEYC_F8 },
282: { TTYC_KF9, KEYC_F9 },
283: { TTYC_KF10, KEYC_F10 },
284: { TTYC_KF11, KEYC_F11 },
285: { TTYC_KF12, KEYC_F12 },
1.70 nicm 286:
1.135 nicm 287: { TTYC_KF13, KEYC_F1|KEYC_SHIFT },
288: { TTYC_KF14, KEYC_F2|KEYC_SHIFT },
289: { TTYC_KF15, KEYC_F3|KEYC_SHIFT },
290: { TTYC_KF16, KEYC_F4|KEYC_SHIFT },
291: { TTYC_KF17, KEYC_F5|KEYC_SHIFT },
292: { TTYC_KF18, KEYC_F6|KEYC_SHIFT },
293: { TTYC_KF19, KEYC_F7|KEYC_SHIFT },
294: { TTYC_KF20, KEYC_F8|KEYC_SHIFT },
295: { TTYC_KF21, KEYC_F9|KEYC_SHIFT },
296: { TTYC_KF22, KEYC_F10|KEYC_SHIFT },
297: { TTYC_KF23, KEYC_F11|KEYC_SHIFT },
298: { TTYC_KF24, KEYC_F12|KEYC_SHIFT },
299:
300: { TTYC_KF25, KEYC_F1|KEYC_CTRL },
301: { TTYC_KF26, KEYC_F2|KEYC_CTRL },
302: { TTYC_KF27, KEYC_F3|KEYC_CTRL },
303: { TTYC_KF28, KEYC_F4|KEYC_CTRL },
304: { TTYC_KF29, KEYC_F5|KEYC_CTRL },
305: { TTYC_KF30, KEYC_F6|KEYC_CTRL },
306: { TTYC_KF31, KEYC_F7|KEYC_CTRL },
307: { TTYC_KF32, KEYC_F8|KEYC_CTRL },
308: { TTYC_KF33, KEYC_F9|KEYC_CTRL },
309: { TTYC_KF34, KEYC_F10|KEYC_CTRL },
310: { TTYC_KF35, KEYC_F11|KEYC_CTRL },
311: { TTYC_KF36, KEYC_F12|KEYC_CTRL },
312:
313: { TTYC_KF37, KEYC_F1|KEYC_SHIFT|KEYC_CTRL },
314: { TTYC_KF38, KEYC_F2|KEYC_SHIFT|KEYC_CTRL },
315: { TTYC_KF39, KEYC_F3|KEYC_SHIFT|KEYC_CTRL },
316: { TTYC_KF40, KEYC_F4|KEYC_SHIFT|KEYC_CTRL },
317: { TTYC_KF41, KEYC_F5|KEYC_SHIFT|KEYC_CTRL },
318: { TTYC_KF42, KEYC_F6|KEYC_SHIFT|KEYC_CTRL },
319: { TTYC_KF43, KEYC_F7|KEYC_SHIFT|KEYC_CTRL },
320: { TTYC_KF44, KEYC_F8|KEYC_SHIFT|KEYC_CTRL },
321: { TTYC_KF45, KEYC_F9|KEYC_SHIFT|KEYC_CTRL },
322: { TTYC_KF46, KEYC_F10|KEYC_SHIFT|KEYC_CTRL },
323: { TTYC_KF47, KEYC_F11|KEYC_SHIFT|KEYC_CTRL },
324: { TTYC_KF48, KEYC_F12|KEYC_SHIFT|KEYC_CTRL },
325:
326: { TTYC_KF49, KEYC_F1|KEYC_META|KEYC_IMPLIED_META },
327: { TTYC_KF50, KEYC_F2|KEYC_META|KEYC_IMPLIED_META },
328: { TTYC_KF51, KEYC_F3|KEYC_META|KEYC_IMPLIED_META },
329: { TTYC_KF52, KEYC_F4|KEYC_META|KEYC_IMPLIED_META },
330: { TTYC_KF53, KEYC_F5|KEYC_META|KEYC_IMPLIED_META },
331: { TTYC_KF54, KEYC_F6|KEYC_META|KEYC_IMPLIED_META },
332: { TTYC_KF55, KEYC_F7|KEYC_META|KEYC_IMPLIED_META },
333: { TTYC_KF56, KEYC_F8|KEYC_META|KEYC_IMPLIED_META },
334: { TTYC_KF57, KEYC_F9|KEYC_META|KEYC_IMPLIED_META },
335: { TTYC_KF58, KEYC_F10|KEYC_META|KEYC_IMPLIED_META },
336: { TTYC_KF59, KEYC_F11|KEYC_META|KEYC_IMPLIED_META },
337: { TTYC_KF60, KEYC_F12|KEYC_META|KEYC_IMPLIED_META },
338:
339: { TTYC_KF61, KEYC_F1|KEYC_META|KEYC_IMPLIED_META|KEYC_SHIFT },
340: { TTYC_KF62, KEYC_F2|KEYC_META|KEYC_IMPLIED_META|KEYC_SHIFT },
341: { TTYC_KF63, KEYC_F3|KEYC_META|KEYC_IMPLIED_META|KEYC_SHIFT },
1.70 nicm 342:
1.48 nicm 343: { TTYC_KICH1, KEYC_IC },
344: { TTYC_KDCH1, KEYC_DC },
345: { TTYC_KHOME, KEYC_HOME },
346: { TTYC_KEND, KEYC_END },
347: { TTYC_KNP, KEYC_NPAGE },
348: { TTYC_KPP, KEYC_PPAGE },
349: { TTYC_KCBT, KEYC_BTAB },
1.29 nicm 350:
351: /* Arrow keys from terminfo. */
1.132 nicm 352: { TTYC_KCUU1, KEYC_UP|KEYC_CURSOR },
353: { TTYC_KCUD1, KEYC_DOWN|KEYC_CURSOR },
354: { TTYC_KCUB1, KEYC_LEFT|KEYC_CURSOR },
355: { TTYC_KCUF1, KEYC_RIGHT|KEYC_CURSOR },
1.29 nicm 356:
1.103 nicm 357: /* Key and modifier capabilities. */
1.135 nicm 358: { TTYC_KDC2, KEYC_DC|KEYC_SHIFT },
359: { TTYC_KDC3, KEYC_DC|KEYC_META|KEYC_IMPLIED_META },
360: { TTYC_KDC4, KEYC_DC|KEYC_SHIFT|KEYC_META|KEYC_IMPLIED_META },
361: { TTYC_KDC5, KEYC_DC|KEYC_CTRL },
362: { TTYC_KDC6, KEYC_DC|KEYC_SHIFT|KEYC_CTRL },
363: { TTYC_KDC7, KEYC_DC|KEYC_META|KEYC_IMPLIED_META|KEYC_CTRL },
364: { TTYC_KIND, KEYC_DOWN|KEYC_SHIFT },
365: { TTYC_KDN2, KEYC_DOWN|KEYC_SHIFT },
366: { TTYC_KDN3, KEYC_DOWN|KEYC_META|KEYC_IMPLIED_META },
367: { TTYC_KDN4, KEYC_DOWN|KEYC_SHIFT|KEYC_META|KEYC_IMPLIED_META },
368: { TTYC_KDN5, KEYC_DOWN|KEYC_CTRL },
369: { TTYC_KDN6, KEYC_DOWN|KEYC_SHIFT|KEYC_CTRL },
370: { TTYC_KDN7, KEYC_DOWN|KEYC_META|KEYC_IMPLIED_META|KEYC_CTRL },
371: { TTYC_KEND2, KEYC_END|KEYC_SHIFT },
372: { TTYC_KEND3, KEYC_END|KEYC_META|KEYC_IMPLIED_META },
373: { TTYC_KEND4, KEYC_END|KEYC_SHIFT|KEYC_META|KEYC_IMPLIED_META },
374: { TTYC_KEND5, KEYC_END|KEYC_CTRL },
375: { TTYC_KEND6, KEYC_END|KEYC_SHIFT|KEYC_CTRL },
376: { TTYC_KEND7, KEYC_END|KEYC_META|KEYC_IMPLIED_META|KEYC_CTRL },
377: { TTYC_KHOM2, KEYC_HOME|KEYC_SHIFT },
378: { TTYC_KHOM3, KEYC_HOME|KEYC_META|KEYC_IMPLIED_META },
379: { TTYC_KHOM4, KEYC_HOME|KEYC_SHIFT|KEYC_META|KEYC_IMPLIED_META },
380: { TTYC_KHOM5, KEYC_HOME|KEYC_CTRL },
381: { TTYC_KHOM6, KEYC_HOME|KEYC_SHIFT|KEYC_CTRL },
382: { TTYC_KHOM7, KEYC_HOME|KEYC_META|KEYC_IMPLIED_META|KEYC_CTRL },
383: { TTYC_KIC2, KEYC_IC|KEYC_SHIFT },
384: { TTYC_KIC3, KEYC_IC|KEYC_META|KEYC_IMPLIED_META },
385: { TTYC_KIC4, KEYC_IC|KEYC_SHIFT|KEYC_META|KEYC_IMPLIED_META },
386: { TTYC_KIC5, KEYC_IC|KEYC_CTRL },
387: { TTYC_KIC6, KEYC_IC|KEYC_SHIFT|KEYC_CTRL },
388: { TTYC_KIC7, KEYC_IC|KEYC_META|KEYC_IMPLIED_META|KEYC_CTRL },
389: { TTYC_KLFT2, KEYC_LEFT|KEYC_SHIFT },
390: { TTYC_KLFT3, KEYC_LEFT|KEYC_META|KEYC_IMPLIED_META },
391: { TTYC_KLFT4, KEYC_LEFT|KEYC_SHIFT|KEYC_META|KEYC_IMPLIED_META },
392: { TTYC_KLFT5, KEYC_LEFT|KEYC_CTRL },
393: { TTYC_KLFT6, KEYC_LEFT|KEYC_SHIFT|KEYC_CTRL },
394: { TTYC_KLFT7, KEYC_LEFT|KEYC_META|KEYC_IMPLIED_META|KEYC_CTRL },
395: { TTYC_KNXT2, KEYC_NPAGE|KEYC_SHIFT },
396: { TTYC_KNXT3, KEYC_NPAGE|KEYC_META|KEYC_IMPLIED_META },
397: { TTYC_KNXT4, KEYC_NPAGE|KEYC_SHIFT|KEYC_META|KEYC_IMPLIED_META },
398: { TTYC_KNXT5, KEYC_NPAGE|KEYC_CTRL },
399: { TTYC_KNXT6, KEYC_NPAGE|KEYC_SHIFT|KEYC_CTRL },
400: { TTYC_KNXT7, KEYC_NPAGE|KEYC_META|KEYC_IMPLIED_META|KEYC_CTRL },
401: { TTYC_KPRV2, KEYC_PPAGE|KEYC_SHIFT },
402: { TTYC_KPRV3, KEYC_PPAGE|KEYC_META|KEYC_IMPLIED_META },
403: { TTYC_KPRV4, KEYC_PPAGE|KEYC_SHIFT|KEYC_META|KEYC_IMPLIED_META },
404: { TTYC_KPRV5, KEYC_PPAGE|KEYC_CTRL },
405: { TTYC_KPRV6, KEYC_PPAGE|KEYC_SHIFT|KEYC_CTRL },
406: { TTYC_KPRV7, KEYC_PPAGE|KEYC_META|KEYC_IMPLIED_META|KEYC_CTRL },
407: { TTYC_KRIT2, KEYC_RIGHT|KEYC_SHIFT },
408: { TTYC_KRIT3, KEYC_RIGHT|KEYC_META|KEYC_IMPLIED_META },
409: { TTYC_KRIT4, KEYC_RIGHT|KEYC_SHIFT|KEYC_META|KEYC_IMPLIED_META },
410: { TTYC_KRIT5, KEYC_RIGHT|KEYC_CTRL },
411: { TTYC_KRIT6, KEYC_RIGHT|KEYC_SHIFT|KEYC_CTRL },
412: { TTYC_KRIT7, KEYC_RIGHT|KEYC_META|KEYC_IMPLIED_META|KEYC_CTRL },
413: { TTYC_KRI, KEYC_UP|KEYC_SHIFT },
414: { TTYC_KUP2, KEYC_UP|KEYC_SHIFT },
415: { TTYC_KUP3, KEYC_UP|KEYC_META|KEYC_IMPLIED_META },
416: { TTYC_KUP4, KEYC_UP|KEYC_SHIFT|KEYC_META|KEYC_IMPLIED_META },
417: { TTYC_KUP5, KEYC_UP|KEYC_CTRL },
418: { TTYC_KUP6, KEYC_UP|KEYC_SHIFT|KEYC_CTRL },
419: { TTYC_KUP7, KEYC_UP|KEYC_META|KEYC_IMPLIED_META|KEYC_CTRL },
1.1 nicm 420: };
421:
1.48 nicm 422: /* Add key to tree. */
1.86 nicm 423: static void
1.76 nicm 424: tty_keys_add(struct tty *tty, const char *s, key_code key)
1.16 nicm 425: {
1.29 nicm 426: struct tty_key *tk;
427: size_t size;
1.143 nicm 428: const char *keystr;
1.1 nicm 429:
1.135 nicm 430: keystr = key_string_lookup_key(key, 1);
1.29 nicm 431: if ((tk = tty_keys_find(tty, s, strlen(s), &size)) == NULL) {
1.76 nicm 432: log_debug("new key %s: 0x%llx (%s)", s, key, keystr);
1.16 nicm 433: tty_keys_add1(&tty->key_tree, s, key);
1.29 nicm 434: } else {
1.76 nicm 435: log_debug("replacing key %s: 0x%llx (%s)", s, key, keystr);
1.29 nicm 436: tk->key = key;
1.16 nicm 437: }
1.1 nicm 438: }
439:
1.16 nicm 440: /* Add next node to the tree. */
1.86 nicm 441: static void
1.76 nicm 442: tty_keys_add1(struct tty_key **tkp, const char *s, key_code key)
1.1 nicm 443: {
1.16 nicm 444: struct tty_key *tk;
1.1 nicm 445:
1.16 nicm 446: /* Allocate a tree entry if there isn't one already. */
447: tk = *tkp;
448: if (tk == NULL) {
449: tk = *tkp = xcalloc(1, sizeof *tk);
450: tk->ch = *s;
1.83 nicm 451: tk->key = KEYC_UNKNOWN;
1.16 nicm 452: }
453:
454: /* Find the next entry. */
455: if (*s == tk->ch) {
456: /* Move forward in string. */
457: s++;
458:
459: /* If this is the end of the string, no more is necessary. */
460: if (*s == '\0') {
461: tk->key = key;
462: return;
463: }
464:
465: /* Use the child tree for the next character. */
466: tkp = &tk->next;
1.27 nicm 467: } else {
1.16 nicm 468: if (*s < tk->ch)
469: tkp = &tk->left;
470: else if (*s > tk->ch)
471: tkp = &tk->right;
472: }
473:
474: /* And recurse to add it. */
475: tty_keys_add1(tkp, s, key);
1.1 nicm 476: }
477:
1.16 nicm 478: /* Initialise a key tree from the table. */
1.1 nicm 479: void
1.48 nicm 480: tty_keys_build(struct tty *tty)
1.1 nicm 481: {
1.48 nicm 482: const struct tty_default_key_raw *tdkr;
1.132 nicm 483: const struct tty_default_key_xterm *tdkx;
1.48 nicm 484: const struct tty_default_key_code *tdkc;
1.143 nicm 485: u_int i, j;
1.109 nicm 486: const char *s;
1.99 nicm 487: struct options_entry *o;
1.107 nicm 488: struct options_array_item *a;
1.109 nicm 489: union options_value *ov;
1.132 nicm 490: char copy[16];
491: key_code key;
1.1 nicm 492:
1.48 nicm 493: if (tty->key_tree != NULL)
1.71 nicm 494: tty_keys_free(tty);
1.16 nicm 495: tty->key_tree = NULL;
1.1 nicm 496:
1.132 nicm 497: for (i = 0; i < nitems(tty_default_xterm_keys); i++) {
498: tdkx = &tty_default_xterm_keys[i];
499: for (j = 2; j < nitems(tty_default_xterm_modifiers); j++) {
500: strlcpy(copy, tdkx->template, sizeof copy);
501: copy[strcspn(copy, "_")] = '0' + j;
502:
503: key = tdkx->key|tty_default_xterm_modifiers[j];
504: tty_keys_add(tty, copy, key);
505: }
506: }
1.48 nicm 507: for (i = 0; i < nitems(tty_default_raw_keys); i++) {
508: tdkr = &tty_default_raw_keys[i];
509:
510: s = tdkr->string;
1.51 nicm 511: if (*s != '\0')
512: tty_keys_add(tty, s, tdkr->key);
1.48 nicm 513: }
514: for (i = 0; i < nitems(tty_default_code_keys); i++) {
515: tdkc = &tty_default_code_keys[i];
516:
517: s = tty_term_string(tty->term, tdkc->code);
1.51 nicm 518: if (*s != '\0')
519: tty_keys_add(tty, s, tdkc->key);
1.1 nicm 520:
1.99 nicm 521: }
522:
523: o = options_get(global_options, "user-keys");
1.107 nicm 524: if (o != NULL) {
525: a = options_array_first(o);
526: while (a != NULL) {
1.112 nicm 527: i = options_array_item_index(a);
1.109 nicm 528: ov = options_array_item_value(a);
1.110 nicm 529: tty_keys_add(tty, ov->string, KEYC_USER + i);
1.107 nicm 530: a = options_array_next(a);
1.99 nicm 531: }
1.1 nicm 532: }
533: }
534:
1.16 nicm 535: /* Free the entire key tree. */
1.1 nicm 536: void
537: tty_keys_free(struct tty *tty)
538: {
1.16 nicm 539: tty_keys_free1(tty->key_tree);
540: }
1.1 nicm 541:
1.16 nicm 542: /* Free a single key. */
1.86 nicm 543: static void
1.16 nicm 544: tty_keys_free1(struct tty_key *tk)
545: {
546: if (tk->next != NULL)
547: tty_keys_free1(tk->next);
548: if (tk->left != NULL)
549: tty_keys_free1(tk->left);
550: if (tk->right != NULL)
551: tty_keys_free1(tk->right);
1.42 nicm 552: free(tk);
1.1 nicm 553: }
554:
1.16 nicm 555: /* Lookup a key in the tree. */
1.86 nicm 556: static struct tty_key *
1.16 nicm 557: tty_keys_find(struct tty *tty, const char *buf, size_t len, size_t *size)
1.1 nicm 558: {
1.16 nicm 559: *size = 0;
560: return (tty_keys_find1(tty->key_tree, buf, len, size));
561: }
1.1 nicm 562:
1.16 nicm 563: /* Find the next node. */
1.86 nicm 564: static struct tty_key *
1.16 nicm 565: tty_keys_find1(struct tty_key *tk, const char *buf, size_t len, size_t *size)
566: {
1.106 nicm 567: /* If no data, no match. */
568: if (len == 0)
569: return (NULL);
570:
1.16 nicm 571: /* If the node is NULL, this is the end of the tree. No match. */
572: if (tk == NULL)
1.1 nicm 573: return (NULL);
574:
1.16 nicm 575: /* Pick the next in the sequence. */
576: if (tk->ch == *buf) {
577: /* Move forward in the string. */
578: buf++; len--;
579: (*size)++;
1.1 nicm 580:
1.16 nicm 581: /* At the end of the string, return the current node. */
1.83 nicm 582: if (len == 0 || (tk->next == NULL && tk->key != KEYC_UNKNOWN))
1.16 nicm 583: return (tk);
1.1 nicm 584:
1.16 nicm 585: /* Move into the next tree for the following character. */
586: tk = tk->next;
587: } else {
588: if (*buf < tk->ch)
589: tk = tk->left;
590: else if (*buf > tk->ch)
591: tk = tk->right;
1.1 nicm 592: }
593:
1.16 nicm 594: /* Move to the next in the tree. */
595: return (tty_keys_find1(tk, buf, len, size));
1.1 nicm 596: }
597:
1.86 nicm 598: /* Look up part of the next key. */
599: static int
600: tty_keys_next1(struct tty *tty, const char *buf, size_t len, key_code *key,
1.87 nicm 601: size_t *size, int expired)
1.86 nicm 602: {
1.94 nicm 603: struct client *c = tty->client;
1.86 nicm 604: struct tty_key *tk, *tk1;
605: struct utf8_data ud;
606: enum utf8_state more;
1.138 nicm 607: utf8_char uc;
1.86 nicm 608: u_int i;
609:
1.94 nicm 610: log_debug("%s: next key is %zu (%.*s) (expired=%d)", c->name, len,
611: (int)len, buf, expired);
1.86 nicm 612:
613: /* Is this a known key? */
614: tk = tty_keys_find(tty, buf, len, size);
1.87 nicm 615: if (tk != NULL && tk->key != KEYC_UNKNOWN) {
1.86 nicm 616: tk1 = tk;
617: do
1.94 nicm 618: log_debug("%s: keys in list: %#llx", c->name, tk1->key);
1.86 nicm 619: while ((tk1 = tk1->next) != NULL);
1.87 nicm 620: if (tk->next != NULL && !expired)
621: return (1);
1.86 nicm 622: *key = tk->key;
1.87 nicm 623: return (0);
1.86 nicm 624: }
1.97 nicm 625:
1.86 nicm 626: /* Is this valid UTF-8? */
627: more = utf8_open(&ud, (u_char)*buf);
628: if (more == UTF8_MORE) {
629: *size = ud.size;
1.87 nicm 630: if (len < ud.size) {
631: if (!expired)
632: return (1);
633: return (-1);
634: }
1.86 nicm 635: for (i = 1; i < ud.size; i++)
636: more = utf8_append(&ud, (u_char)buf[i]);
637: if (more != UTF8_DONE)
1.87 nicm 638: return (-1);
1.86 nicm 639:
1.138 nicm 640: if (utf8_from_data(&ud, &uc) != UTF8_DONE)
1.87 nicm 641: return (-1);
1.138 nicm 642: *key = uc;
1.86 nicm 643:
1.94 nicm 644: log_debug("%s: UTF-8 key %.*s %#llx", c->name, (int)ud.size,
1.138 nicm 645: ud.data, *key);
1.86 nicm 646: return (0);
647: }
648:
649: return (-1);
650: }
651:
1.111 nicm 652: /* Process at least one key in the buffer. Return 0 if no keys present. */
653: int
1.14 nicm 654: tty_keys_next(struct tty *tty)
1.1 nicm 655: {
1.111 nicm 656: struct client *c = tty->client;
657: struct timeval tv;
658: const char *buf;
659: size_t len, size;
660: cc_t bspace;
661: int delay, expired = 0, n;
662: key_code key;
663: struct mouse_event m = { 0 };
664: struct key_event *event;
1.1 nicm 665:
1.51 nicm 666: /* Get key buffer. */
1.93 nicm 667: buf = EVBUFFER_DATA(tty->in);
668: len = EVBUFFER_LENGTH(tty->in);
1.1 nicm 669: if (len == 0)
1.14 nicm 670: return (0);
1.94 nicm 671: log_debug("%s: keys are %zu (%.*s)", c->name, len, (int)len, buf);
1.1 nicm 672:
1.104 nicm 673: /* Is this a clipboard response? */
674: switch (tty_keys_clipboard(tty, buf, len, &size)) {
675: case 0: /* yes */
676: key = KEYC_UNKNOWN;
677: goto complete_key;
678: case -1: /* no, or not valid */
679: break;
680: case 1: /* partial */
681: goto partial_key;
682: }
683:
1.91 nicm 684: /* Is this a device attributes response? */
685: switch (tty_keys_device_attributes(tty, buf, len, &size)) {
686: case 0: /* yes */
687: key = KEYC_UNKNOWN;
688: goto complete_key;
689: case -1: /* no, or not valid */
690: break;
691: case 1: /* partial */
692: goto partial_key;
693: }
694:
1.128 nicm 695: /* Is this an extended device attributes response? */
696: switch (tty_keys_extended_device_attributes(tty, buf, len, &size)) {
1.119 nicm 697: case 0: /* yes */
698: key = KEYC_UNKNOWN;
699: goto complete_key;
700: case -1: /* no, or not valid */
701: break;
702: case 1: /* partial */
703: goto partial_key;
704: }
705:
1.26 nicm 706: /* Is this a mouse key press? */
1.111 nicm 707: switch (tty_keys_mouse(tty, buf, len, &size, &m)) {
1.22 nicm 708: case 0: /* yes */
709: key = KEYC_MOUSE;
1.51 nicm 710: goto complete_key;
1.22 nicm 711: case -1: /* no, or not valid */
1.24 nicm 712: break;
1.67 nicm 713: case -2: /* yes, but we don't care. */
1.73 nicm 714: key = KEYC_MOUSE;
1.67 nicm 715: goto discard_key;
1.22 nicm 716: case 1: /* partial */
717: goto partial_key;
1.11 nicm 718: }
719:
1.133 nicm 720: /* Is this an extended key press? */
721: switch (tty_keys_extended_key(tty, buf, len, &size, &key)) {
722: case 0: /* yes */
723: goto complete_key;
724: case -1: /* no, or not valid */
725: break;
726: case 1: /* partial */
727: goto partial_key;
728: }
729:
1.86 nicm 730: first_key:
1.101 nicm 731: /* Try to lookup complete key. */
732: n = tty_keys_next1(tty, buf, len, &key, &size, expired);
733: if (n == 0) /* found */
734: goto complete_key;
735: if (n == 1)
736: goto partial_key;
737:
738: /*
739: * If not a complete key, look for key with an escape prefix (meta
740: * modifier).
741: */
1.105 nicm 742: if (*buf == '\033' && len > 1) {
1.87 nicm 743: /* Look for a key without the escape. */
744: n = tty_keys_next1(tty, buf + 1, len - 1, &key, &size, expired);
745: if (n == 0) { /* found */
1.135 nicm 746: if (key & KEYC_IMPLIED_META) {
1.97 nicm 747: /*
748: * We want the escape key as well as the xterm
749: * key, because the xterm sequence implicitly
750: * includes the escape (so if we see
751: * \033\033[1;3D we know it is an Escape
752: * followed by M-Left, not just M-Left).
753: */
754: key = '\033';
755: size = 1;
756: goto complete_key;
757: }
1.134 nicm 758: key |= KEYC_META;
1.87 nicm 759: size++;
760: goto complete_key;
761: }
762: if (n == 1) /* partial */
1.62 nicm 763: goto partial_key;
1.89 nicm 764: }
1.1 nicm 765:
1.89 nicm 766: /*
767: * At this point, we know the key is not partial (with or without
768: * escape). So pass it through even if the timer has not expired.
769: */
770: if (*buf == '\033' && len >= 2) {
1.134 nicm 771: key = (u_char)buf[1] | KEYC_META;
1.89 nicm 772: size = 2;
773: } else {
774: key = (u_char)buf[0];
775: size = 1;
1.76 nicm 776: }
1.51 nicm 777: goto complete_key;
778:
779: partial_key:
1.94 nicm 780: log_debug("%s: partial key %.*s", c->name, (int)len, buf);
1.14 nicm 781:
1.51 nicm 782: /* If timer is going, check for expiration. */
783: if (tty->flags & TTY_TIMER) {
784: if (evtimer_initialized(&tty->key_timer) &&
1.59 nicm 785: !evtimer_pending(&tty->key_timer, NULL)) {
786: expired = 1;
1.51 nicm 787: goto first_key;
1.59 nicm 788: }
1.39 nicm 789: return (0);
1.51 nicm 790: }
1.39 nicm 791:
1.51 nicm 792: /* Get the time period. */
1.75 nicm 793: delay = options_get_number(global_options, "escape-time");
1.156 nicm 794: if (delay == 0)
795: delay = 1;
1.28 nicm 796: tv.tv_sec = delay / 1000;
797: tv.tv_usec = (delay % 1000) * 1000L;
1.27 nicm 798:
1.51 nicm 799: /* Start the timer. */
1.36 nicm 800: if (event_initialized(&tty->key_timer))
801: evtimer_del(&tty->key_timer);
1.14 nicm 802: evtimer_set(&tty->key_timer, tty_keys_callback, tty);
803: evtimer_add(&tty->key_timer, &tv);
1.27 nicm 804:
1.51 nicm 805: tty->flags |= TTY_TIMER;
1.14 nicm 806: return (0);
1.1 nicm 807:
1.51 nicm 808: complete_key:
1.94 nicm 809: log_debug("%s: complete key %.*s %#llx", c->name, (int)size, buf, key);
1.88 nicm 810:
811: /*
812: * Check for backspace key using termios VERASE - the terminfo
813: * kbs entry is extremely unreliable, so cannot be safely
814: * used. termios should have a better idea.
815: */
816: bspace = tty->tio.c_cc[VERASE];
817: if (bspace != _POSIX_VDISABLE && (key & KEYC_MASK_KEY) == bspace)
1.135 nicm 818: key = (key & KEYC_MASK_MODIFIERS)|KEYC_BSPACE;
1.16 nicm 819:
1.51 nicm 820: /* Remove data from buffer. */
1.93 nicm 821: evbuffer_drain(tty->in, size);
1.16 nicm 822:
1.51 nicm 823: /* Remove key timer. */
1.36 nicm 824: if (event_initialized(&tty->key_timer))
825: evtimer_del(&tty->key_timer);
1.51 nicm 826: tty->flags &= ~TTY_TIMER;
1.56 nicm 827:
828: /* Check for focus events. */
1.148 nicm 829: if (key == KEYC_FOCUS_OUT) {
1.149 nicm 830: c->flags &= ~CLIENT_FOCUSED;
831: window_update_focus(c->session->curw->window);
1.148 nicm 832: notify_client("client-focus-out", c);
833: } else if (key == KEYC_FOCUS_IN) {
1.149 nicm 834: c->flags |= CLIENT_FOCUSED;
1.148 nicm 835: notify_client("client-focus-in", c);
1.149 nicm 836: window_update_focus(c->session->curw->window);
1.148 nicm 837: }
1.16 nicm 838:
1.51 nicm 839: /* Fire the key. */
1.111 nicm 840: if (key != KEYC_UNKNOWN) {
841: event = xmalloc(sizeof *event);
842: event->key = key;
843: memcpy(&event->m, &m, sizeof event->m);
1.113 nicm 844: if (!server_client_handle_key(c, event))
845: free(event);
1.111 nicm 846: }
1.16 nicm 847:
1.14 nicm 848: return (1);
1.67 nicm 849:
850: discard_key:
1.94 nicm 851: log_debug("%s: discard key %.*s %#llx", c->name, (int)size, buf, key);
1.67 nicm 852:
853: /* Remove data from buffer. */
1.93 nicm 854: evbuffer_drain(tty->in, size);
1.67 nicm 855:
856: return (1);
1.14 nicm 857: }
858:
1.16 nicm 859: /* Key timer callback. */
1.86 nicm 860: static void
1.81 nicm 861: tty_keys_callback(__unused int fd, __unused short events, void *data)
1.14 nicm 862: {
863: struct tty *tty = data;
864:
1.51 nicm 865: if (tty->flags & TTY_TIMER) {
866: while (tty_keys_next(tty))
867: ;
868: }
1.133 nicm 869: }
870:
871: /*
872: * Handle extended key input. This has two forms: \033[27;m;k~ and \033[k;mu,
873: * where k is key as a number and m is a modifier. Returns 0 for success, -1
874: * for failure, 1 for partial;
875: */
876: static int
877: tty_keys_extended_key(struct tty *tty, const char *buf, size_t len,
878: size_t *size, key_code *key)
879: {
880: struct client *c = tty->client;
881: size_t end;
882: u_int number, modifiers;
883: char tmp[64];
1.143 nicm 884: cc_t bspace;
885: key_code nkey;
1.144 nicm 886: key_code onlykey;
1.133 nicm 887:
888: *size = 0;
889:
890: /* First two bytes are always \033[. */
891: if (buf[0] != '\033')
892: return (-1);
893: if (len == 1)
894: return (1);
895: if (buf[1] != '[')
896: return (-1);
897: if (len == 2)
898: return (1);
899:
900: /*
901: * Look for a terminator. Stop at either '~' or anything that isn't a
902: * number or ';'.
903: */
904: for (end = 2; end < len && end != sizeof tmp; end++) {
905: if (buf[end] == '~')
906: break;
907: if (!isdigit((u_char)buf[end]) && buf[end] != ';')
908: break;
909: }
910: if (end == len)
911: return (1);
912: if (end == sizeof tmp || (buf[end] != '~' && buf[end] != 'u'))
913: return (-1);
914:
915: /* Copy to the buffer. */
916: memcpy(tmp, buf + 2, end);
917: tmp[end] = '\0';
918:
919: /* Try to parse either form of key. */
920: if (buf[end] == '~') {
921: if (sscanf(tmp, "27;%u;%u", &modifiers, &number) != 2)
922: return (-1);
923: } else {
924: if (sscanf(tmp ,"%u;%u", &number, &modifiers) != 2)
925: return (-1);
926: }
927: *size = end + 1;
928:
1.143 nicm 929: /* Store the key. */
930: bspace = tty->tio.c_cc[VERASE];
931: if (bspace != _POSIX_VDISABLE && number == bspace)
932: nkey = KEYC_BSPACE;
933: else
934: nkey = number;
935:
936: /* Update the modifiers. */
1.158 ! nicm 937: if (modifiers > 0) {
! 938: modifiers--;
! 939: if (modifiers & 1)
! 940: nkey |= KEYC_SHIFT;
! 941: if (modifiers & 2)
! 942: nkey |= (KEYC_META|KEYC_IMPLIED_META); /* Alt */
! 943: if (modifiers & 4)
! 944: nkey |= KEYC_CTRL;
! 945: if (modifiers & 8)
! 946: nkey |= (KEYC_META|KEYC_IMPLIED_META); /* Meta */
1.133 nicm 947: }
1.143 nicm 948:
1.144 nicm 949: /*
950: * Don't allow both KEYC_CTRL and as an implied modifier. Also convert
951: * C-X into C-x and so on.
952: */
1.145 nicm 953: if (nkey & KEYC_CTRL) {
1.144 nicm 954: onlykey = (nkey & KEYC_MASK_KEY);
1.147 nicm 955: if (onlykey < 32 &&
956: onlykey != 9 &&
957: onlykey != 13 &&
958: onlykey != 27)
1.146 nicm 959: /* nothing */;
960: else if (onlykey >= 97 && onlykey <= 122)
961: onlykey -= 96;
962: else if (onlykey >= 64 && onlykey <= 95)
963: onlykey -= 64;
964: else if (onlykey == 32)
965: onlykey = 0;
966: else if (onlykey == 63)
967: onlykey = 127;
968: else
969: onlykey |= KEYC_CTRL;
970: nkey = onlykey|((nkey & KEYC_MASK_MODIFIERS) & ~KEYC_CTRL);
1.143 nicm 971: }
972:
1.133 nicm 973: if (log_get_level() != 0) {
974: log_debug("%s: extended key %.*s is %llx (%s)", c->name,
1.143 nicm 975: (int)*size, buf, nkey, key_string_lookup_key(nkey, 1));
1.133 nicm 976: }
1.143 nicm 977: *key = nkey;
1.133 nicm 978: return (0);
1.1 nicm 979: }
980:
1.27 nicm 981: /*
1.22 nicm 982: * Handle mouse key input. Returns 0 for success, -1 for failure, 1 for partial
983: * (probably a mouse sequence but need more data).
984: */
1.86 nicm 985: static int
1.111 nicm 986: tty_keys_mouse(struct tty *tty, const char *buf, size_t len, size_t *size,
987: struct mouse_event *m)
1.1 nicm 988: {
1.111 nicm 989: struct client *c = tty->client;
990: u_int i, x, y, b, sgr_b;
991: u_char sgr_type, ch;
1.33 nicm 992:
1.1 nicm 993: /*
1.33 nicm 994: * Standard mouse sequences are \033[M followed by three characters
1.55 nicm 995: * indicating button, X and Y, all based at 32 with 1,1 top-left.
1.33 nicm 996: *
997: * UTF-8 mouse sequences are similar but the three are expressed as
998: * UTF-8 characters.
1.55 nicm 999: *
1000: * SGR extended mouse sequences are \033[< followed by three numbers in
1001: * decimal and separated by semicolons indicating button, X and Y. A
1002: * trailing 'M' is click or scroll and trailing 'm' release. All are
1003: * based at 0 with 1,1 top-left.
1.1 nicm 1004: */
1005:
1.22 nicm 1006: *size = 0;
1.72 nicm 1007: x = y = b = sgr_b = 0;
1008: sgr_type = ' ';
1.22 nicm 1009:
1.55 nicm 1010: /* First two bytes are always \033[. */
1.22 nicm 1011: if (buf[0] != '\033')
1012: return (-1);
1013: if (len == 1)
1014: return (1);
1015: if (buf[1] != '[')
1016: return (-1);
1017: if (len == 2)
1018: return (1);
1019:
1.55 nicm 1020: /*
1.82 nicm 1021: * Third byte is M in old standard (and UTF-8 extension which we do not
1022: * support), < in SGR extension.
1.55 nicm 1023: */
1024: if (buf[2] == 'M') {
1025: /* Read the three inputs. */
1026: *size = 3;
1027: for (i = 0; i < 3; i++) {
1028: if (len <= *size)
1029: return (1);
1.94 nicm 1030: ch = (u_char)buf[(*size)++];
1.55 nicm 1031: if (i == 0)
1.94 nicm 1032: b = ch;
1.55 nicm 1033: else if (i == 1)
1.94 nicm 1034: x = ch;
1.55 nicm 1035: else
1.94 nicm 1036: y = ch;
1.33 nicm 1037: }
1.94 nicm 1038: log_debug("%s: mouse input: %.*s", c->name, (int)*size, buf);
1.16 nicm 1039:
1.55 nicm 1040: /* Check and return the mouse input. */
1.155 nicm 1041: if (b < MOUSE_PARAM_BTN_OFF ||
1042: x < MOUSE_PARAM_POS_OFF ||
1043: y < MOUSE_PARAM_POS_OFF)
1.55 nicm 1044: return (-1);
1.155 nicm 1045: b -= MOUSE_PARAM_BTN_OFF;
1046: x -= MOUSE_PARAM_POS_OFF;
1047: y -= MOUSE_PARAM_POS_OFF;
1.55 nicm 1048: } else if (buf[2] == '<') {
1049: /* Read the three inputs. */
1050: *size = 3;
1051: while (1) {
1052: if (len <= *size)
1053: return (1);
1.94 nicm 1054: ch = (u_char)buf[(*size)++];
1055: if (ch == ';')
1.55 nicm 1056: break;
1.94 nicm 1057: if (ch < '0' || ch > '9')
1.55 nicm 1058: return (-1);
1.94 nicm 1059: sgr_b = 10 * sgr_b + (ch - '0');
1.55 nicm 1060: }
1061: while (1) {
1062: if (len <= *size)
1063: return (1);
1.94 nicm 1064: ch = (u_char)buf[(*size)++];
1065: if (ch == ';')
1.55 nicm 1066: break;
1.94 nicm 1067: if (ch < '0' || ch > '9')
1.55 nicm 1068: return (-1);
1.94 nicm 1069: x = 10 * x + (ch - '0');
1.55 nicm 1070: }
1071: while (1) {
1072: if (len <= *size)
1073: return (1);
1.94 nicm 1074: ch = (u_char)buf[(*size)++];
1075: if (ch == 'M' || ch == 'm')
1.55 nicm 1076: break;
1.94 nicm 1077: if (ch < '0' || ch > '9')
1.55 nicm 1078: return (-1);
1.94 nicm 1079: y = 10 * y + (ch - '0');
1.55 nicm 1080: }
1.94 nicm 1081: log_debug("%s: mouse input (SGR): %.*s", c->name, (int)*size,
1082: buf);
1.1 nicm 1083:
1.55 nicm 1084: /* Check and return the mouse input. */
1085: if (x < 1 || y < 1)
1086: return (-1);
1087: x--;
1088: y--;
1.72 nicm 1089: b = sgr_b;
1090:
1091: /* Type is M for press, m for release. */
1.94 nicm 1092: sgr_type = ch;
1.72 nicm 1093: if (sgr_type == 'm')
1.153 nicm 1094: b = 3;
1.67 nicm 1095:
1096: /*
1097: * Some terminals (like PuTTY 0.63) mistakenly send
1098: * button-release events for scroll-wheel button-press event.
1099: * Discard it before it reaches any program running inside
1100: * tmux.
1101: */
1.153 nicm 1102: if (sgr_type == 'm' && MOUSE_WHEEL(sgr_b))
1.67 nicm 1103: return (-2);
1.55 nicm 1104: } else
1.22 nicm 1105: return (-1);
1.45 nicm 1106:
1.72 nicm 1107: /* Fill mouse event. */
1.111 nicm 1108: m->lx = tty->mouse_last_x;
1.61 nicm 1109: m->x = x;
1.111 nicm 1110: m->ly = tty->mouse_last_y;
1.61 nicm 1111: m->y = y;
1.114 nicm 1112: m->lb = tty->mouse_last_b;
1.72 nicm 1113: m->b = b;
1114: m->sgr_type = sgr_type;
1115: m->sgr_b = sgr_b;
1.111 nicm 1116:
1117: /* Update last mouse state. */
1118: tty->mouse_last_x = x;
1119: tty->mouse_last_y = y;
1.114 nicm 1120: tty->mouse_last_b = b;
1.104 nicm 1121:
1122: return (0);
1123: }
1124:
1125: /*
1126: * Handle OSC 52 clipboard input. Returns 0 for success, -1 for failure, 1 for
1127: * partial.
1128: */
1129: static int
1.154 nicm 1130: tty_keys_clipboard(struct tty *tty, const char *buf, size_t len, size_t *size)
1.104 nicm 1131: {
1.154 nicm 1132: struct client *c = tty->client;
1133: struct window_pane *wp;
1134: size_t end, terminator, needed;
1135: char *copy, *out;
1136: int outlen;
1137: u_int i;
1.104 nicm 1138:
1139: *size = 0;
1140:
1.128 nicm 1141: /* First five bytes are always \033]52;. */
1.104 nicm 1142: if (buf[0] != '\033')
1143: return (-1);
1144: if (len == 1)
1145: return (1);
1146: if (buf[1] != ']')
1147: return (-1);
1148: if (len == 2)
1149: return (1);
1150: if (buf[2] != '5')
1151: return (-1);
1152: if (len == 3)
1153: return (1);
1154: if (buf[3] != '2')
1155: return (-1);
1156: if (len == 4)
1157: return (1);
1158: if (buf[4] != ';')
1159: return (-1);
1160: if (len == 5)
1161: return (1);
1162:
1163: /* Find the terminator if any. */
1164: for (end = 5; end < len; end++) {
1165: if (buf[end] == '\007') {
1166: terminator = 1;
1167: break;
1168: }
1169: if (end > 5 && buf[end - 1] == '\033' && buf[end] == '\\') {
1170: terminator = 2;
1171: break;
1172: }
1173: }
1174: if (end == len)
1175: return (1);
1176: *size = end + terminator;
1177:
1178: /* Skip the initial part. */
1179: buf += 5;
1180: end -= 5;
1.151 nicm 1181:
1182: /* Adjust end so that it points to the start of the terminator. */
1183: end -= terminator - 1;
1.104 nicm 1184:
1185: /* Get the second argument. */
1186: while (end != 0 && *buf != ';') {
1187: buf++;
1188: end--;
1189: }
1190: if (end == 0 || end == 1)
1191: return (0);
1192: buf++;
1193: end--;
1.152 nicm 1194:
1195: /* If we did not request this, ignore it. */
1196: if (~tty->flags & TTY_OSC52QUERY)
1197: return (0);
1198: tty->flags &= ~TTY_OSC52QUERY;
1.154 nicm 1199: evtimer_del(&tty->clipboard_timer);
1.104 nicm 1200:
1201: /* It has to be a string so copy it. */
1202: copy = xmalloc(end + 1);
1203: memcpy(copy, buf, end);
1204: copy[end] = '\0';
1205:
1206: /* Convert from base64. */
1207: needed = (end / 4) * 3;
1208: out = xmalloc(needed);
1209: if ((outlen = b64_pton(copy, out, len)) == -1) {
1210: free(out);
1211: free(copy);
1212: return (0);
1213: }
1214: free(copy);
1215:
1.154 nicm 1216: /* Create a new paste buffer and forward to panes. */
1.104 nicm 1217: log_debug("%s: %.*s", __func__, outlen, out);
1.154 nicm 1218: if (c->flags & CLIENT_CLIPBOARDBUFFER) {
1219: paste_add(NULL, out, outlen);
1220: c->flags &= ~CLIENT_CLIPBOARDBUFFER;
1221: }
1222: for (i = 0; i < c->clipboard_npanes; i++) {
1223: wp = window_pane_find_by_id(c->clipboard_panes[i]);
1224: if (wp != NULL)
1225: input_reply_clipboard(wp->event, out, outlen, "\033\\");
1226: }
1227: free(c->clipboard_panes);
1228: c->clipboard_panes = NULL;
1229: c->clipboard_npanes = 0;
1.91 nicm 1230:
1231: return (0);
1232: }
1233:
1234: /*
1.124 nicm 1235: * Handle secondary device attributes input. Returns 0 for success, -1 for
1236: * failure, 1 for partial.
1.91 nicm 1237: */
1238: static int
1239: tty_keys_device_attributes(struct tty *tty, const char *buf, size_t len,
1240: size_t *size)
1241: {
1.118 nicm 1242: struct client *c = tty->client;
1243: u_int i, n = 0;
1244: char tmp[64], *endptr, p[32] = { 0 }, *cp, *next;
1.91 nicm 1245:
1246: *size = 0;
1.120 nicm 1247: if (tty->flags & TTY_HAVEDA)
1248: return (-1);
1.91 nicm 1249:
1.141 nicm 1250: /*
1251: * First three bytes are always \033[>. Some older Terminal.app
1252: * versions respond as for DA (\033[?) so accept and ignore that.
1253: */
1.91 nicm 1254: if (buf[0] != '\033')
1255: return (-1);
1256: if (len == 1)
1257: return (1);
1258: if (buf[1] != '[')
1259: return (-1);
1260: if (len == 2)
1261: return (1);
1.141 nicm 1262: if (buf[2] != '>' && buf[2] != '?')
1.91 nicm 1263: return (-1);
1264: if (len == 3)
1265: return (1);
1266:
1267: /* Copy the rest up to a 'c'. */
1.128 nicm 1268: for (i = 0; i < (sizeof tmp) - 1; i++) {
1.91 nicm 1269: if (3 + i == len)
1270: return (1);
1.128 nicm 1271: if (buf[3 + i] == 'c')
1272: break;
1.91 nicm 1273: tmp[i] = buf[3 + i];
1274: }
1275: if (i == (sizeof tmp) - 1)
1276: return (-1);
1277: tmp[i] = '\0';
1278: *size = 4 + i;
1.141 nicm 1279:
1280: /* Ignore DA response. */
1281: if (buf[2] == '?')
1282: return (0);
1.91 nicm 1283:
1.124 nicm 1284: /* Convert all arguments to numbers. */
1.116 nicm 1285: cp = tmp;
1286: while ((next = strsep(&cp, ";")) != NULL) {
1287: p[n] = strtoul(next, &endptr, 10);
1.117 nicm 1288: if (*endptr != '\0')
1.116 nicm 1289: p[n] = 0;
1290: n++;
1291: }
1.91 nicm 1292:
1.126 nicm 1293: /* Add terminal features. */
1.116 nicm 1294: switch (p[0]) {
1.124 nicm 1295: case 41: /* VT420 */
1.131 nicm 1296: tty_add_features(&c->term_features, "margins,rectfill", ",");
1.91 nicm 1297: break;
1.124 nicm 1298: case 'M': /* mintty */
1.130 nicm 1299: tty_default_features(&c->term_features, "mintty", 0);
1.124 nicm 1300: break;
1.126 nicm 1301: case 'T': /* tmux */
1.130 nicm 1302: tty_default_features(&c->term_features, "tmux", 0);
1.124 nicm 1303: break;
1304: case 'U': /* rxvt-unicode */
1.130 nicm 1305: tty_default_features(&c->term_features, "rxvt-unicode", 0);
1.124 nicm 1306: break;
1.91 nicm 1307: }
1.124 nicm 1308: log_debug("%s: received secondary DA %.*s", c->name, (int)*size, buf);
1.120 nicm 1309:
1.126 nicm 1310: tty_update_features(tty);
1.120 nicm 1311: tty->flags |= TTY_HAVEDA;
1312:
1.119 nicm 1313: return (0);
1314: }
1315:
1316: /*
1.128 nicm 1317: * Handle extended device attributes input. Returns 0 for success, -1 for
1318: * failure, 1 for partial.
1.119 nicm 1319: */
1320: static int
1.128 nicm 1321: tty_keys_extended_device_attributes(struct tty *tty, const char *buf,
1322: size_t len, size_t *size)
1.119 nicm 1323: {
1324: struct client *c = tty->client;
1325: u_int i;
1.130 nicm 1326: char tmp[128];
1.119 nicm 1327:
1328: *size = 0;
1.128 nicm 1329: if (tty->flags & TTY_HAVEXDA)
1.120 nicm 1330: return (-1);
1.119 nicm 1331:
1.128 nicm 1332: /* First four bytes are always \033P>|. */
1.119 nicm 1333: if (buf[0] != '\033')
1334: return (-1);
1335: if (len == 1)
1336: return (1);
1.128 nicm 1337: if (buf[1] != 'P')
1.119 nicm 1338: return (-1);
1339: if (len == 2)
1340: return (1);
1.128 nicm 1341: if (buf[2] != '>')
1.120 nicm 1342: return (-1);
1343: if (len == 3)
1344: return (1);
1.128 nicm 1345: if (buf[3] != '|')
1346: return (-1);
1347: if (len == 4)
1348: return (1);
1.119 nicm 1349:
1.128 nicm 1350: /* Copy the rest up to a '\033\\'. */
1351: for (i = 0; i < (sizeof tmp) - 1; i++) {
1352: if (4 + i == len)
1.119 nicm 1353: return (1);
1.128 nicm 1354: if (buf[4 + i - 1] == '\033' && buf[4 + i] == '\\')
1355: break;
1356: tmp[i] = buf[4 + i];
1.119 nicm 1357: }
1358: if (i == (sizeof tmp) - 1)
1359: return (-1);
1.128 nicm 1360: tmp[i - 1] = '\0';
1361: *size = 5 + i;
1.119 nicm 1362:
1.126 nicm 1363: /* Add terminal features. */
1.130 nicm 1364: if (strncmp(tmp, "iTerm2 ", 7) == 0)
1365: tty_default_features(&c->term_features, "iTerm2", 0);
1366: else if (strncmp(tmp, "tmux ", 5) == 0)
1367: tty_default_features(&c->term_features, "tmux", 0);
1368: else if (strncmp(tmp, "XTerm(", 6) == 0)
1.136 nicm 1369: tty_default_features(&c->term_features, "XTerm", 0);
1.130 nicm 1370: else if (strncmp(tmp, "mintty ", 7) == 0)
1371: tty_default_features(&c->term_features, "mintty", 0);
1.128 nicm 1372: log_debug("%s: received extended DA %.*s", c->name, (int)*size, buf);
1.130 nicm 1373:
1374: free(c->term_type);
1375: c->term_type = xstrdup(tmp);
1.120 nicm 1376:
1.126 nicm 1377: tty_update_features(tty);
1.128 nicm 1378: tty->flags |= TTY_HAVEXDA;
1.120 nicm 1379:
1.22 nicm 1380: return (0);
1.1 nicm 1381: }
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