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1.6 ! nicm 1: /* $OpenBSD: key-string.c,v 1.5 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 <string.h>
22:
23: #include "tmux.h"
24:
25: int key_string_search_table(const char *);
26:
27: struct {
28: const char *string;
29: int key;
30: } key_string_table[] = {
31: /* Function keys. */
32: { "F1", KEYC_F1 },
33: { "F2", KEYC_F2 },
34: { "F3", KEYC_F3 },
35: { "F4", KEYC_F4 },
36: { "F5", KEYC_F5 },
37: { "F6", KEYC_F6 },
38: { "F7", KEYC_F7 },
39: { "F8", KEYC_F8 },
40: { "F9", KEYC_F9 },
41: { "F10", KEYC_F10 },
42: { "F11", KEYC_F11 },
43: { "F12", KEYC_F12 },
44: { "F13", KEYC_F13 },
45: { "F14", KEYC_F14 },
46: { "F15", KEYC_F15 },
47: { "F16", KEYC_F16 },
48: { "F17", KEYC_F17 },
49: { "F18", KEYC_F18 },
50: { "F19", KEYC_F19 },
51: { "F20", KEYC_F20 },
52: { "IC", KEYC_IC },
53: { "DC", KEYC_DC },
54: { "Home", KEYC_HOME },
55: { "End", KEYC_END },
56: { "NPage", KEYC_NPAGE },
57: { "PPage", KEYC_PPAGE },
58: { "Tab", '\011' },
59: { "BTab", KEYC_BTAB },
1.5 nicm 60: { "BSpace", KEYC_BSPACE },
1.6 ! nicm 61: { "Enter", '\r' },
! 62: { "Escape", '\033' },
1.1 nicm 63:
64: /* Arrow keys. */
65: { "Up", KEYC_UP },
66: { "Down", KEYC_DOWN },
67: { "Left", KEYC_LEFT },
68: { "Right", KEYC_RIGHT },
69:
70: /* Numeric keypad. */
71: { "KP/", KEYC_KP0_1 },
72: { "KP*", KEYC_KP0_2 },
73: { "KP-", KEYC_KP0_3 },
74: { "KP7", KEYC_KP1_0 },
75: { "KP8", KEYC_KP1_1 },
76: { "KP9", KEYC_KP1_2 },
77: { "KP+", KEYC_KP1_3 },
78: { "KP4", KEYC_KP2_0 },
79: { "KP5", KEYC_KP2_1 },
80: { "KP6", KEYC_KP2_2 },
81: { "KP1", KEYC_KP3_0 },
82: { "KP2", KEYC_KP3_1 },
83: { "KP3", KEYC_KP3_2 },
84: { "KPEnter", KEYC_KP3_3 },
85: { "KP0", KEYC_KP4_0 },
86: { "KP.", KEYC_KP4_2 },
87: };
88:
89: int
90: key_string_search_table(const char *string)
91: {
92: u_int i;
93:
94: for (i = 0; i < nitems(key_string_table); i++) {
95: if (strcasecmp(string, key_string_table[i].string) == 0)
96: return (key_string_table[i].key);
97: }
98: return (KEYC_NONE);
99: }
100:
101: int
102: key_string_lookup_string(const char *string)
103: {
104: int key;
105: const u_char *ptr;
106:
107: if (string[0] == '\0')
108: return (KEYC_NONE);
109: if (string[1] == '\0')
110: return (string[0]);
111:
112: ptr = NULL;
1.4 nicm 113: if ((string[0] == 'C' || string[0] == 'c') && string[1] == '-')
1.1 nicm 114: ptr = string + 2;
115: else if (string[0] == '^')
116: ptr = string + 1;
117: if (ptr != NULL) {
118: if (ptr[0] == '\0')
119: return (KEYC_NONE);
120: if (ptr[1] == '\0') {
121: if (ptr[0] == 32)
122: return (0);
123: if (ptr[0] >= 64 && ptr[0] <= 95)
124: return (ptr[0] - 64);
125: if (ptr[0] >= 97 && ptr[0] <= 122)
126: return (ptr[0] - 96);
127: return (KEYC_NONE);
128: }
129: key = key_string_search_table(ptr);
130: if (key != KEYC_NONE)
1.3 nicm 131: return (key | KEYC_CTRL);
1.1 nicm 132: return (KEYC_NONE);
133: }
1.4 nicm 134:
135: if ((string[0] == 'M' || string[0] == 'm') && string[1] == '-') {
1.1 nicm 136: ptr = string + 2;
137: if (ptr[0] == '\0')
138: return (KEYC_NONE);
139: if (ptr[1] == '\0') {
140: if (ptr[0] < 32 || ptr[0] > 127)
141: return (KEYC_NONE);
1.3 nicm 142: return (ptr[0] | KEYC_ESCAPE);
1.1 nicm 143: }
144: key = key_string_lookup_string(ptr);
145: if (key != KEYC_NONE)
1.3 nicm 146: return (key | KEYC_ESCAPE);
1.1 nicm 147: return (KEYC_NONE);
148: }
149:
150: return (key_string_search_table(string));
151: }
152:
153: const char *
154: key_string_lookup_key(int key)
155: {
156: static char tmp[24], tmp2[24];
157: const char *s;
158: u_int i;
159:
160: if (key == 127)
161: return (NULL);
162:
1.3 nicm 163: if (key & KEYC_ESCAPE) {
164: if ((s = key_string_lookup_key(key & ~KEYC_ESCAPE)) == NULL)
1.1 nicm 165: return (NULL);
166: xsnprintf(tmp2, sizeof tmp2, "M-%s", s);
167: return (tmp2);
168: }
1.3 nicm 169: if (key & KEYC_CTRL) {
170: if ((s = key_string_lookup_key(key & ~KEYC_CTRL)) == NULL)
1.1 nicm 171: return (NULL);
172: xsnprintf(tmp2, sizeof tmp2, "C-%s", s);
173: return (tmp2);
174: }
1.3 nicm 175: if (key & KEYC_SHIFT) {
176: if ((s = key_string_lookup_key(key & ~KEYC_SHIFT)) == NULL)
1.1 nicm 177: return (NULL);
178: xsnprintf(tmp2, sizeof tmp2, "S-%s", s);
179: return (tmp2);
180: }
181:
1.6 ! nicm 182: for (i = 0; i < nitems(key_string_table); i++) {
! 183: if (key == key_string_table[i].key)
! 184: return (key_string_table[i].string);
! 185: }
! 186:
1.1 nicm 187: if (key >= 32 && key <= 255) {
188: tmp[0] = key;
189: tmp[1] = '\0';
190: return (tmp);
191: }
192:
193: if (key >= 0 && key <= 32) {
194: if (key == 0 || key > 26)
195: xsnprintf(tmp, sizeof tmp, "C-%c", 64 + key);
196: else
197: xsnprintf(tmp, sizeof tmp, "C-%c", 96 + key);
198: return (tmp);
199: }
200:
201: return (NULL);
202: }