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1.3 ! nicm 1: /* $OpenBSD: key-string.c,v 1.2 2009/07/14 06:56:30 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 },
1.2 nicm 60: { "BSpace", '\177' },
1.1 nicm 61:
62: /* Arrow keys. */
63: { "Up", KEYC_UP },
64: { "Down", KEYC_DOWN },
65: { "Left", KEYC_LEFT },
66: { "Right", KEYC_RIGHT },
67:
68: /* Numeric keypad. */
69: { "KP/", KEYC_KP0_1 },
70: { "KP*", KEYC_KP0_2 },
71: { "KP-", KEYC_KP0_3 },
72: { "KP7", KEYC_KP1_0 },
73: { "KP8", KEYC_KP1_1 },
74: { "KP9", KEYC_KP1_2 },
75: { "KP+", KEYC_KP1_3 },
76: { "KP4", KEYC_KP2_0 },
77: { "KP5", KEYC_KP2_1 },
78: { "KP6", KEYC_KP2_2 },
79: { "KP1", KEYC_KP3_0 },
80: { "KP2", KEYC_KP3_1 },
81: { "KP3", KEYC_KP3_2 },
82: { "KPEnter", KEYC_KP3_3 },
83: { "KP0", KEYC_KP4_0 },
84: { "KP.", KEYC_KP4_2 },
85: };
86:
87: int
88: key_string_search_table(const char *string)
89: {
90: u_int i;
91:
92: for (i = 0; i < nitems(key_string_table); i++) {
93: if (strcasecmp(string, key_string_table[i].string) == 0)
94: return (key_string_table[i].key);
95: }
96: return (KEYC_NONE);
97: }
98:
99: int
100: key_string_lookup_string(const char *string)
101: {
102: int key;
103: const u_char *ptr;
104:
105: if (string[0] == '\0')
106: return (KEYC_NONE);
107: if (string[1] == '\0')
108: return (string[0]);
109:
110: ptr = NULL;
111: if (string[0] == 'C' && string[1] == '-')
112: ptr = string + 2;
113: else if (string[0] == '^')
114: ptr = string + 1;
115: if (ptr != NULL) {
116: if (ptr[0] == '\0')
117: return (KEYC_NONE);
118: if (ptr[1] == '\0') {
119: if (ptr[0] == 32)
120: return (0);
121: if (ptr[0] >= 64 && ptr[0] <= 95)
122: return (ptr[0] - 64);
123: if (ptr[0] >= 97 && ptr[0] <= 122)
124: return (ptr[0] - 96);
125: return (KEYC_NONE);
126: }
127: key = key_string_search_table(ptr);
128: if (key != KEYC_NONE)
1.3 ! nicm 129: return (key | KEYC_CTRL);
1.1 nicm 130: return (KEYC_NONE);
131: }
132:
133: if (string[0] == 'M' && string[1] == '-') {
134: ptr = string + 2;
135: if (ptr[0] == '\0')
136: return (KEYC_NONE);
137: if (ptr[1] == '\0') {
138: if (ptr[0] < 32 || ptr[0] > 127)
139: return (KEYC_NONE);
1.3 ! nicm 140: return (ptr[0] | KEYC_ESCAPE);
1.1 nicm 141: }
142: key = key_string_lookup_string(ptr);
143: if (key != KEYC_NONE)
1.3 ! nicm 144: return (key | KEYC_ESCAPE);
1.1 nicm 145: return (KEYC_NONE);
146: }
147:
148: return (key_string_search_table(string));
149: }
150:
151: const char *
152: key_string_lookup_key(int key)
153: {
154: static char tmp[24], tmp2[24];
155: const char *s;
156: u_int i;
157:
158: if (key == 127)
159: return (NULL);
160:
1.3 ! nicm 161: if (key & KEYC_ESCAPE) {
! 162: if ((s = key_string_lookup_key(key & ~KEYC_ESCAPE)) == NULL)
1.1 nicm 163: return (NULL);
164: xsnprintf(tmp2, sizeof tmp2, "M-%s", s);
165: return (tmp2);
166: }
1.3 ! nicm 167: if (key & KEYC_CTRL) {
! 168: if ((s = key_string_lookup_key(key & ~KEYC_CTRL)) == NULL)
1.1 nicm 169: return (NULL);
170: xsnprintf(tmp2, sizeof tmp2, "C-%s", s);
171: return (tmp2);
172: }
1.3 ! nicm 173: if (key & KEYC_SHIFT) {
! 174: if ((s = key_string_lookup_key(key & ~KEYC_SHIFT)) == NULL)
1.1 nicm 175: return (NULL);
176: xsnprintf(tmp2, sizeof tmp2, "S-%s", s);
177: return (tmp2);
178: }
179:
180: if (key >= 32 && key <= 255) {
181: tmp[0] = key;
182: tmp[1] = '\0';
183: return (tmp);
184: }
185:
186: if (key >= 0 && key <= 32) {
187: if (key == 0 || key > 26)
188: xsnprintf(tmp, sizeof tmp, "C-%c", 64 + key);
189: else
190: xsnprintf(tmp, sizeof tmp, "C-%c", 96 + key);
191: return (tmp);
192: }
193:
194: for (i = 0; i < nitems(key_string_table); i++) {
195: if (key == key_string_table[i].key)
196: return (key_string_table[i].string);
197: }
198: return (NULL);
199: }