Annotation of src/usr.bin/tmux/input-keys.c, Revision 1.4
1.4 ! nicm 1: /* $OpenBSD: input-keys.c,v 1.3 2009/07/26 21:42:08 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:
27: struct input_key_ent {
28: int key;
29: const char *data;
30:
31: int flags;
32: #define INPUTKEY_KEYPAD 0x1 /* keypad key */
33: #define INPUTKEY_CURSOR 0x2 /* cursor key */
34: #define INPUTKEY_CTRL 0x4 /* may be modified with ctrl */
35: #define INPUTKEY_XTERM 0x4 /* may have xterm argument appended */
36: };
37:
38: struct input_key_ent input_keys[] = {
1.3 nicm 39: /* Backspace key. */
40: { KEYC_BSPACE, "\177", 0 },
41:
1.1 nicm 42: /* Function keys. */
43: { KEYC_F1, "\033OP", INPUTKEY_CTRL|INPUTKEY_XTERM },
44: { KEYC_F2, "\033OQ", INPUTKEY_CTRL|INPUTKEY_XTERM },
45: { KEYC_F3, "\033OR", INPUTKEY_CTRL|INPUTKEY_XTERM },
46: { KEYC_F4, "\033OS", INPUTKEY_CTRL|INPUTKEY_XTERM },
47: { KEYC_F5, "\033[15~", INPUTKEY_CTRL|INPUTKEY_XTERM },
48: { KEYC_F6, "\033[17~", INPUTKEY_CTRL|INPUTKEY_XTERM },
49: { KEYC_F7, "\033[18~", INPUTKEY_CTRL|INPUTKEY_XTERM },
50: { KEYC_F8, "\033[19~", INPUTKEY_CTRL|INPUTKEY_XTERM },
51: { KEYC_F9, "\033[20~", INPUTKEY_CTRL|INPUTKEY_XTERM },
52: { KEYC_F10, "\033[21~", INPUTKEY_CTRL|INPUTKEY_XTERM },
53: { KEYC_F11, "\033[23~", INPUTKEY_CTRL|INPUTKEY_XTERM },
54: { KEYC_F12, "\033[24~", INPUTKEY_CTRL|INPUTKEY_XTERM },
55: { KEYC_F13, "\033[25~", INPUTKEY_CTRL|INPUTKEY_XTERM },
56: { KEYC_F14, "\033[26~", INPUTKEY_CTRL|INPUTKEY_XTERM },
57: { KEYC_F15, "\033[28~", INPUTKEY_CTRL|INPUTKEY_XTERM },
58: { KEYC_F16, "\033[29~", INPUTKEY_CTRL|INPUTKEY_XTERM },
59: { KEYC_F17, "\033[31~", INPUTKEY_CTRL|INPUTKEY_XTERM },
60: { KEYC_F18, "\033[32~", INPUTKEY_CTRL|INPUTKEY_XTERM },
61: { KEYC_F19, "\033[33~", INPUTKEY_CTRL|INPUTKEY_XTERM },
62: { KEYC_F20, "\033[34~", INPUTKEY_CTRL|INPUTKEY_XTERM },
63: { KEYC_IC, "\033[2~", INPUTKEY_CTRL|INPUTKEY_XTERM },
64: { KEYC_DC, "\033[3~", INPUTKEY_CTRL|INPUTKEY_XTERM },
65: { KEYC_HOME, "\033[1~", INPUTKEY_CTRL|INPUTKEY_XTERM },
66: { KEYC_END, "\033[4~", INPUTKEY_CTRL|INPUTKEY_XTERM },
67: { KEYC_NPAGE, "\033[6~", INPUTKEY_CTRL|INPUTKEY_XTERM },
68: { KEYC_PPAGE, "\033[5~", INPUTKEY_CTRL|INPUTKEY_XTERM },
69: { KEYC_BTAB, "\033[Z", INPUTKEY_CTRL },
70:
71: /* Arrow keys. Cursor versions must come first. */
1.2 nicm 72: { KEYC_UP | KEYC_CTRL, "\033Oa", 0 },
73: { KEYC_DOWN | KEYC_CTRL, "\033Ob", 0 },
74: { KEYC_RIGHT | KEYC_CTRL, "\033Oc", 0 },
75: { KEYC_LEFT | KEYC_CTRL, "\033Od", 0 },
76:
77: { KEYC_UP | KEYC_SHIFT, "\033[a", 0 },
78: { KEYC_DOWN | KEYC_SHIFT, "\033[b", 0 },
79: { KEYC_RIGHT | KEYC_SHIFT, "\033[c", 0 },
80: { KEYC_LEFT | KEYC_SHIFT, "\033[d", 0 },
81:
1.1 nicm 82: { KEYC_UP, "\033OA", INPUTKEY_CURSOR },
83: { KEYC_DOWN, "\033OB", INPUTKEY_CURSOR },
84: { KEYC_RIGHT, "\033OC", INPUTKEY_CURSOR },
85: { KEYC_LEFT, "\033OD", INPUTKEY_CURSOR },
86:
87: { KEYC_UP, "\033[A", 0 },
88: { KEYC_DOWN, "\033[B", 0 },
89: { KEYC_RIGHT, "\033[C", 0 },
90: { KEYC_LEFT, "\033[D", 0 },
91:
92: /* Keypad keys. Keypad versions must come first. */
93: { KEYC_KP0_1, "/", INPUTKEY_KEYPAD },
94: { KEYC_KP0_2, "*", INPUTKEY_KEYPAD },
95: { KEYC_KP0_3, "-", INPUTKEY_KEYPAD },
96: { KEYC_KP1_0, "7", INPUTKEY_KEYPAD },
97: { KEYC_KP1_1, "8", INPUTKEY_KEYPAD },
98: { KEYC_KP1_2, "9", INPUTKEY_KEYPAD },
99: { KEYC_KP1_3, "+", INPUTKEY_KEYPAD },
100: { KEYC_KP2_0, "4", INPUTKEY_KEYPAD },
101: { KEYC_KP2_1, "5", INPUTKEY_KEYPAD },
102: { KEYC_KP2_2, "6", INPUTKEY_KEYPAD },
103: { KEYC_KP3_0, "1", INPUTKEY_KEYPAD },
104: { KEYC_KP3_1, "2", INPUTKEY_KEYPAD },
105: { KEYC_KP3_2, "3", INPUTKEY_KEYPAD },
106: { KEYC_KP3_3, "\n", INPUTKEY_KEYPAD }, /* this can be CRLF too? */
107: { KEYC_KP4_0, "0", INPUTKEY_KEYPAD },
108: { KEYC_KP4_2, ".", INPUTKEY_KEYPAD },
109: { KEYC_KP0_1, "\033Oo", 0 },
110: { KEYC_KP0_2, "\033Oj", 0 },
111: { KEYC_KP0_3, "\033Om", 0 },
112: { KEYC_KP1_0, "\033Ow", 0 },
113: { KEYC_KP1_1, "\033Ox", 0 },
114: { KEYC_KP1_2, "\033Oy", 0 },
115: { KEYC_KP1_3, "\033Ok", 0 },
116: { KEYC_KP2_0, "\033Ot", 0 },
117: { KEYC_KP2_1, "\033Ou", 0 },
118: { KEYC_KP2_2, "\033Ov", 0 },
119: { KEYC_KP3_0, "\033Oq", 0 },
120: { KEYC_KP3_1, "\033Or", 0 },
121: { KEYC_KP3_2, "\033Os", 0 },
122: { KEYC_KP3_3, "\033OM", 0 },
123: { KEYC_KP4_0, "\033Op", 0 },
124: { KEYC_KP4_2, "\033On", 0 },
125: };
126:
127: /* Translate a key code from client into an output key sequence. */
128: void
129: input_key(struct window_pane *wp, int key)
130: {
131: struct input_key_ent *ike;
132: u_int i;
133: char ch;
134: size_t dlen;
135: int xterm_keys;
136:
137: log_debug2("writing key 0x%x", key);
138:
1.2 nicm 139: if (key != KEYC_NONE && (key & ~KEYC_ESCAPE) < 0x100) {
140: if (key & KEYC_ESCAPE)
1.1 nicm 141: buffer_write8(wp->out, '\033');
1.2 nicm 142: buffer_write8(wp->out, (uint8_t) (key & ~KEYC_ESCAPE));
1.1 nicm 143: return;
144: }
145:
146: for (i = 0; i < nitems(input_keys); i++) {
147: ike = &input_keys[i];
148:
149: if ((ike->flags & INPUTKEY_KEYPAD) &&
150: !(wp->screen->mode & MODE_KKEYPAD))
151: continue;
152: if ((ike->flags & INPUTKEY_CURSOR) &&
153: !(wp->screen->mode & MODE_KCURSOR))
154: continue;
155:
1.2 nicm 156: if ((key & KEYC_ESCAPE) && (ike->key | KEYC_ESCAPE) == key)
1.1 nicm 157: break;
1.2 nicm 158: if ((key & KEYC_SHIFT) && (ike->key | KEYC_SHIFT) == key)
1.1 nicm 159: break;
1.2 nicm 160: if ((key & KEYC_CTRL) && (ike->key | KEYC_CTRL) == key) {
1.1 nicm 161: if (ike->flags & INPUTKEY_CTRL)
162: break;
163: }
164: if (ike->key == key)
165: break;
166: }
167: if (i == nitems(input_keys)) {
168: log_debug2("key 0x%x missing", key);
169: return;
170: }
171: dlen = strlen(ike->data);
172:
173: log_debug2("found key 0x%x: \"%s\"", key, ike->data);
174:
175: /*
176: * If in xterm keys mode, work out and append the modifier as an
177: * argument.
178: */
179: xterm_keys = options_get_number(&wp->window->options, "xterm-keys");
180: if (xterm_keys && ike->flags & INPUTKEY_XTERM) {
181: ch = '\0';
1.2 nicm 182: if (key & (KEYC_SHIFT|KEYC_ESCAPE|KEYC_CTRL))
1.1 nicm 183: ch = '8';
1.2 nicm 184: else if (key & (KEYC_ESCAPE|KEYC_CTRL))
1.1 nicm 185: ch = '7';
1.2 nicm 186: else if (key & (KEYC_SHIFT|KEYC_CTRL))
1.1 nicm 187: ch = '6';
1.2 nicm 188: else if (key & KEYC_CTRL)
1.1 nicm 189: ch = '5';
1.2 nicm 190: else if (key & (KEYC_SHIFT|KEYC_ESCAPE))
1.1 nicm 191: ch = '4';
1.2 nicm 192: else if (key & KEYC_ESCAPE)
1.1 nicm 193: ch = '3';
1.2 nicm 194: else if (key & KEYC_SHIFT)
1.1 nicm 195: ch = '2';
196: if (ch != '\0') {
197: buffer_write(wp->out, ike->data, dlen - 1);
198: buffer_write8(wp->out, ';');
199: buffer_write8(wp->out, ch);
200: buffer_write8(wp->out, ike->data[dlen - 1]);
201: } else
202: buffer_write(wp->out, ike->data, dlen);
203: return;
204: }
205:
206: /*
207: * Not in xterm mode. Prefix a \033 for escape, and set bit 5 of the
208: * last byte for ctrl.
209: */
1.2 nicm 210: if (key & KEYC_ESCAPE)
1.1 nicm 211: buffer_write8(wp->out, '\033');
1.2 nicm 212: if (key & KEYC_CTRL && ike->flags & INPUTKEY_CTRL) {
1.1 nicm 213: buffer_write(wp->out, ike->data, dlen - 1);
214: buffer_write8(wp->out, ike->data[dlen - 1] ^ 0x20);
215: return;
216: }
217: buffer_write(wp->out, ike->data, dlen);
218: }
219:
220: /* Handle input mouse. */
221: void
1.4 ! nicm 222: input_mouse(struct window_pane *wp, struct mouse_event *m)
1.1 nicm 223: {
224: if (wp->screen->mode & MODE_MOUSE) {
225: buffer_write(wp->out, "\033[M", 3);
1.4 ! nicm 226: buffer_write8(wp->out, m->b + 32);
! 227: buffer_write8(wp->out, m->x + 33);
! 228: buffer_write8(wp->out, m->y + 33);
1.1 nicm 229: }
230: }
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