Annotation of src/usr.bin/tmux/input-keys.c, Revision 1.31
1.31 ! nicm 1: /* $OpenBSD: input-keys.c,v 1.30 2012/11/27 20:22:12 nicm Exp $ */
1.1 nicm 2:
3: /*
4: * Copyright (c) 2007 Nicholas Marriott <nicm@users.sourceforge.net>
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:
21: #include <stdint.h>
22: #include <stdlib.h>
23: #include <string.h>
24:
25: #include "tmux.h"
26:
1.8 nicm 27: /*
28: * This file is rather misleadingly named, it contains the code which takes a
29: * key code and translates it into something suitable to be sent to the
30: * application running in a pane (similar to input.c does in the other
31: * direction with output).
32: */
33:
1.1 nicm 34: struct input_key_ent {
35: int key;
36: const char *data;
37:
38: int flags;
39: #define INPUTKEY_KEYPAD 0x1 /* keypad key */
40: #define INPUTKEY_CURSOR 0x2 /* cursor key */
41: };
42:
1.20 nicm 43: const struct input_key_ent input_keys[] = {
1.3 nicm 44: /* Backspace key. */
1.7 nicm 45: { KEYC_BSPACE, "\177", 0 },
1.3 nicm 46:
1.1 nicm 47: /* Function keys. */
1.9 nicm 48: { KEYC_F1, "\033OP", 0 },
49: { KEYC_F2, "\033OQ", 0 },
50: { KEYC_F3, "\033OR", 0 },
51: { KEYC_F4, "\033OS", 0 },
52: { KEYC_F5, "\033[15~", 0 },
53: { KEYC_F6, "\033[17~", 0 },
54: { KEYC_F7, "\033[18~", 0 },
55: { KEYC_F8, "\033[19~", 0 },
56: { KEYC_F9, "\033[20~", 0 },
57: { KEYC_F10, "\033[21~", 0 },
58: { KEYC_F11, "\033[23~", 0 },
59: { KEYC_F12, "\033[24~", 0 },
60: { KEYC_F13, "\033[25~", 0 },
61: { KEYC_F14, "\033[26~", 0 },
62: { KEYC_F15, "\033[28~", 0 },
63: { KEYC_F16, "\033[29~", 0 },
64: { KEYC_F17, "\033[31~", 0 },
65: { KEYC_F18, "\033[32~", 0 },
66: { KEYC_F19, "\033[33~", 0 },
67: { KEYC_F20, "\033[34~", 0 },
68: { KEYC_IC, "\033[2~", 0 },
69: { KEYC_DC, "\033[3~", 0 },
70: { KEYC_HOME, "\033[1~", 0 },
71: { KEYC_END, "\033[4~", 0 },
72: { KEYC_NPAGE, "\033[6~", 0 },
73: { KEYC_PPAGE, "\033[5~", 0 },
74: { KEYC_BTAB, "\033[Z", 0 },
1.7 nicm 75:
1.13 nicm 76: /*
77: * Arrow keys. Cursor versions must come first. The codes are toggled
78: * between CSI and SS3 versions when ctrl is pressed.
79: */
1.10 nicm 80: { KEYC_UP|KEYC_CTRL, "\033[A", INPUTKEY_CURSOR },
81: { KEYC_DOWN|KEYC_CTRL, "\033[B", INPUTKEY_CURSOR },
82: { KEYC_RIGHT|KEYC_CTRL, "\033[C", INPUTKEY_CURSOR },
83: { KEYC_LEFT|KEYC_CTRL, "\033[D", INPUTKEY_CURSOR },
1.18 nicm 84:
1.7 nicm 85: { KEYC_UP, "\033OA", INPUTKEY_CURSOR },
86: { KEYC_DOWN, "\033OB", INPUTKEY_CURSOR },
87: { KEYC_RIGHT, "\033OC", INPUTKEY_CURSOR },
88: { KEYC_LEFT, "\033OD", INPUTKEY_CURSOR },
89:
1.9 nicm 90: { KEYC_UP|KEYC_CTRL, "\033OA", 0 },
91: { KEYC_DOWN|KEYC_CTRL, "\033OB", 0 },
92: { KEYC_RIGHT|KEYC_CTRL, "\033OC", 0 },
93: { KEYC_LEFT|KEYC_CTRL, "\033OD", 0 },
94:
1.7 nicm 95: { KEYC_UP, "\033[A", 0 },
96: { KEYC_DOWN, "\033[B", 0 },
97: { KEYC_RIGHT, "\033[C", 0 },
98: { KEYC_LEFT, "\033[D", 0 },
99:
1.8 nicm 100: /* Keypad keys. Keypad versions must come first. */
1.17 nicm 101: { KEYC_KP_SLASH, "\033Oo", INPUTKEY_KEYPAD },
102: { KEYC_KP_STAR, "\033Oj", INPUTKEY_KEYPAD },
103: { KEYC_KP_MINUS, "\033Om", INPUTKEY_KEYPAD },
104: { KEYC_KP_SEVEN, "\033Ow", INPUTKEY_KEYPAD },
105: { KEYC_KP_EIGHT, "\033Ox", INPUTKEY_KEYPAD },
106: { KEYC_KP_NINE, "\033Oy", INPUTKEY_KEYPAD },
107: { KEYC_KP_PLUS, "\033Ok", INPUTKEY_KEYPAD },
108: { KEYC_KP_FOUR, "\033Ot", INPUTKEY_KEYPAD },
109: { KEYC_KP_FIVE, "\033Ou", INPUTKEY_KEYPAD },
110: { KEYC_KP_SIX, "\033Ov", INPUTKEY_KEYPAD },
111: { KEYC_KP_ONE, "\033Oq", INPUTKEY_KEYPAD },
112: { KEYC_KP_TWO, "\033Or", INPUTKEY_KEYPAD },
113: { KEYC_KP_THREE, "\033Os", INPUTKEY_KEYPAD },
114: { KEYC_KP_ENTER, "\033OM", INPUTKEY_KEYPAD },
115: { KEYC_KP_ZERO, "\033Op", INPUTKEY_KEYPAD },
116: { KEYC_KP_PERIOD, "\033On", INPUTKEY_KEYPAD },
117:
118: { KEYC_KP_SLASH, "/", 0 },
119: { KEYC_KP_STAR, "*", 0 },
120: { KEYC_KP_MINUS, "-", 0 },
121: { KEYC_KP_SEVEN, "7", 0 },
122: { KEYC_KP_EIGHT, "8", 0 },
123: { KEYC_KP_NINE, "9", 0 },
124: { KEYC_KP_PLUS, "+", 0 },
1.18 nicm 125: { KEYC_KP_FOUR, "4", 0 },
1.17 nicm 126: { KEYC_KP_FIVE, "5", 0 },
127: { KEYC_KP_SIX, "6", 0 },
128: { KEYC_KP_ONE, "1", 0 },
129: { KEYC_KP_TWO, "2", 0 },
130: { KEYC_KP_THREE, "3", 0 },
131: { KEYC_KP_ENTER, "\n", 0 },
132: { KEYC_KP_ZERO, "0", 0 },
133: { KEYC_KP_PERIOD, ".", 0 },
1.1 nicm 134: };
135:
1.8 nicm 136: /* Translate a key code into an output key sequence. */
1.1 nicm 137: void
138: input_key(struct window_pane *wp, int key)
139: {
1.20 nicm 140: const struct input_key_ent *ike;
141: u_int i;
142: size_t dlen;
143: char *out;
144: u_char ch;
1.1 nicm 145:
146: log_debug2("writing key 0x%x", key);
147:
1.8 nicm 148: /*
149: * If this is a normal 7-bit key, just send it, with a leading escape
150: * if necessary.
151: */
1.2 nicm 152: if (key != KEYC_NONE && (key & ~KEYC_ESCAPE) < 0x100) {
153: if (key & KEYC_ESCAPE)
1.15 nicm 154: bufferevent_write(wp->event, "\033", 1);
155: ch = key & ~KEYC_ESCAPE;
1.14 nicm 156: bufferevent_write(wp->event, &ch, 1);
1.1 nicm 157: return;
1.12 nicm 158: }
159:
1.18 nicm 160: /*
1.12 nicm 161: * Then try to look this up as an xterm key, if the flag to output them
162: * is set.
163: */
164: if (options_get_number(&wp->window->options, "xterm-keys")) {
165: if ((out = xterm_keys_lookup(key)) != NULL) {
1.14 nicm 166: bufferevent_write(wp->event, out, strlen(out));
1.26 nicm 167: free(out);
1.12 nicm 168: return;
169: }
1.1 nicm 170: }
171:
1.8 nicm 172: /* Otherwise look the key up in the table. */
1.1 nicm 173: for (i = 0; i < nitems(input_keys); i++) {
174: ike = &input_keys[i];
175:
176: if ((ike->flags & INPUTKEY_KEYPAD) &&
177: !(wp->screen->mode & MODE_KKEYPAD))
178: continue;
179: if ((ike->flags & INPUTKEY_CURSOR) &&
180: !(wp->screen->mode & MODE_KCURSOR))
181: continue;
182:
1.2 nicm 183: if ((key & KEYC_ESCAPE) && (ike->key | KEYC_ESCAPE) == key)
1.1 nicm 184: break;
185: if (ike->key == key)
186: break;
187: }
188: if (i == nitems(input_keys)) {
189: log_debug2("key 0x%x missing", key);
190: return;
191: }
192: dlen = strlen(ike->data);
193: log_debug2("found key 0x%x: \"%s\"", key, ike->data);
194:
1.9 nicm 195: /* Prefix a \033 for escape. */
1.2 nicm 196: if (key & KEYC_ESCAPE)
1.14 nicm 197: bufferevent_write(wp->event, "\033", 1);
198: bufferevent_write(wp->event, ike->data, dlen);
1.1 nicm 199: }
200:
1.8 nicm 201: /* Translate mouse and output. */
1.1 nicm 202: void
1.27 nicm 203: input_mouse(struct window_pane *wp, struct session *s, struct mouse_event *m)
1.1 nicm 204: {
1.31 ! nicm 205: char buf[40];
1.30 nicm 206: size_t len;
207: struct paste_buffer *pb;
1.14 nicm 208:
1.19 nicm 209: if (wp->screen->mode & ALL_MOUSE_MODES) {
1.31 ! nicm 210: /*
! 211: * Use the SGR (1006) extension only if the application
! 212: * requested it and the underlying terminal also sent the event
! 213: * in this format (this is because an old style mouse release
! 214: * event cannot be converted into the new SGR format, since the
! 215: * released button is unknown). Otherwise pretend that tmux
! 216: * doesn't speak this extension, and fall back to the UTF-8
! 217: * (1005) extension if the application requested, or to the
! 218: * legacy format.
! 219: */
! 220: if (m->sgr && (wp->screen->mode & MODE_MOUSE_SGR)) {
! 221: len = xsnprintf(buf, sizeof buf, "\033[<%d;%d;%d%c",
! 222: m->sgr_xb, m->x + 1, m->y + 1, m->sgr_rel ? 'm' : 'M');
! 223: } else if (wp->screen->mode & MODE_MOUSE_UTF8) {
1.21 nicm 224: len = xsnprintf(buf, sizeof buf, "\033[M");
1.27 nicm 225: len += utf8_split2(m->xb + 32, &buf[len]);
1.21 nicm 226: len += utf8_split2(m->x + 33, &buf[len]);
227: len += utf8_split2(m->y + 33, &buf[len]);
228: } else {
1.27 nicm 229: if (m->xb > 223 || m->x >= 222 || m->y > 222)
1.21 nicm 230: return;
231: len = xsnprintf(buf, sizeof buf, "\033[M");
1.27 nicm 232: buf[len++] = m->xb + 32;
1.21 nicm 233: buf[len++] = m->x + 33;
234: buf[len++] = m->y + 33;
235: }
236: bufferevent_write(wp->event, buf, len);
1.24 nicm 237: return;
238: }
239:
1.30 nicm 240: if (m->button == 1 && (m->event & MOUSE_EVENT_CLICK) &&
241: options_get_number(&wp->window->options, "mode-mouse") == 1) {
242: pb = paste_get_top(&global_buffers);
243: if (pb != NULL) {
244: paste_send_pane(pb, wp, "\r",
245: wp->screen->mode & MODE_BRACKETPASTE);
246: }
247: } else if ((m->xb & 3) != 1 &&
1.29 nicm 248: options_get_number(&wp->window->options, "mode-mouse") == 1) {
1.24 nicm 249: if (window_pane_set_mode(wp, &window_copy_mode) == 0) {
1.22 nicm 250: window_copy_init_from_pane(wp);
251: if (wp->mode->mouse != NULL)
1.27 nicm 252: wp->mode->mouse(wp, s, m);
1.22 nicm 253: }
1.1 nicm 254: }
255: }
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