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1.8 ! nicm 1: /* $OpenBSD: key-string.c,v 1.7 2009/10/04 08:50:05 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 },
1.7 nicm 60: { "Space", ' ' },
1.5 nicm 61: { "BSpace", KEYC_BSPACE },
1.6 nicm 62: { "Enter", '\r' },
63: { "Escape", '\033' },
1.1 nicm 64:
65: /* Arrow keys. */
66: { "Up", KEYC_UP },
67: { "Down", KEYC_DOWN },
68: { "Left", KEYC_LEFT },
69: { "Right", KEYC_RIGHT },
70:
71: /* Numeric keypad. */
72: { "KP/", KEYC_KP0_1 },
73: { "KP*", KEYC_KP0_2 },
74: { "KP-", KEYC_KP0_3 },
75: { "KP7", KEYC_KP1_0 },
76: { "KP8", KEYC_KP1_1 },
77: { "KP9", KEYC_KP1_2 },
78: { "KP+", KEYC_KP1_3 },
79: { "KP4", KEYC_KP2_0 },
80: { "KP5", KEYC_KP2_1 },
81: { "KP6", KEYC_KP2_2 },
82: { "KP1", KEYC_KP3_0 },
83: { "KP2", KEYC_KP3_1 },
84: { "KP3", KEYC_KP3_2 },
85: { "KPEnter", KEYC_KP3_3 },
86: { "KP0", KEYC_KP4_0 },
87: { "KP.", KEYC_KP4_2 },
88: };
89:
90: int
91: key_string_search_table(const char *string)
92: {
93: u_int i;
94:
95: for (i = 0; i < nitems(key_string_table); i++) {
96: if (strcasecmp(string, key_string_table[i].string) == 0)
97: return (key_string_table[i].key);
98: }
99: return (KEYC_NONE);
100: }
101:
102: int
103: key_string_lookup_string(const char *string)
104: {
105: int key;
106: const u_char *ptr;
107:
108: if (string[0] == '\0')
109: return (KEYC_NONE);
110: if (string[1] == '\0')
111: return (string[0]);
112:
113: ptr = NULL;
1.4 nicm 114: if ((string[0] == 'C' || string[0] == 'c') && string[1] == '-')
1.1 nicm 115: ptr = string + 2;
116: else if (string[0] == '^')
117: ptr = string + 1;
118: if (ptr != NULL) {
119: if (ptr[0] == '\0')
120: return (KEYC_NONE);
121: if (ptr[1] == '\0') {
122: if (ptr[0] == 32)
123: return (0);
1.8 ! nicm 124: if (ptr[0] == 63)
! 125: return (KEYC_BSPACE);
1.1 nicm 126: if (ptr[0] >= 64 && ptr[0] <= 95)
127: return (ptr[0] - 64);
128: if (ptr[0] >= 97 && ptr[0] <= 122)
129: return (ptr[0] - 96);
130: return (KEYC_NONE);
131: }
132: key = key_string_search_table(ptr);
133: if (key != KEYC_NONE)
1.3 nicm 134: return (key | KEYC_CTRL);
1.1 nicm 135: return (KEYC_NONE);
136: }
1.4 nicm 137:
138: if ((string[0] == 'M' || string[0] == 'm') && string[1] == '-') {
1.1 nicm 139: ptr = string + 2;
140: if (ptr[0] == '\0')
141: return (KEYC_NONE);
142: if (ptr[1] == '\0') {
143: if (ptr[0] < 32 || ptr[0] > 127)
144: return (KEYC_NONE);
1.3 nicm 145: return (ptr[0] | KEYC_ESCAPE);
1.1 nicm 146: }
147: key = key_string_lookup_string(ptr);
148: if (key != KEYC_NONE)
1.3 nicm 149: return (key | KEYC_ESCAPE);
1.1 nicm 150: return (KEYC_NONE);
151: }
152:
153: return (key_string_search_table(string));
154: }
155:
156: const char *
157: key_string_lookup_key(int key)
158: {
159: static char tmp[24], tmp2[24];
160: const char *s;
161: u_int i;
162:
163: if (key == 127)
164: return (NULL);
165:
1.3 nicm 166: if (key & KEYC_ESCAPE) {
167: if ((s = key_string_lookup_key(key & ~KEYC_ESCAPE)) == NULL)
1.1 nicm 168: return (NULL);
169: xsnprintf(tmp2, sizeof tmp2, "M-%s", s);
170: return (tmp2);
171: }
1.3 nicm 172: if (key & KEYC_CTRL) {
173: if ((s = key_string_lookup_key(key & ~KEYC_CTRL)) == NULL)
1.1 nicm 174: return (NULL);
175: xsnprintf(tmp2, sizeof tmp2, "C-%s", s);
176: return (tmp2);
177: }
1.3 nicm 178: if (key & KEYC_SHIFT) {
179: if ((s = key_string_lookup_key(key & ~KEYC_SHIFT)) == NULL)
1.1 nicm 180: return (NULL);
181: xsnprintf(tmp2, sizeof tmp2, "S-%s", s);
182: return (tmp2);
183: }
184:
1.6 nicm 185: for (i = 0; i < nitems(key_string_table); i++) {
186: if (key == key_string_table[i].key)
187: return (key_string_table[i].string);
188: }
189:
1.1 nicm 190: if (key >= 32 && key <= 255) {
191: tmp[0] = key;
192: tmp[1] = '\0';
193: return (tmp);
194: }
195:
196: if (key >= 0 && key <= 32) {
197: if (key == 0 || key > 26)
198: xsnprintf(tmp, sizeof tmp, "C-%c", 64 + key);
199: else
200: xsnprintf(tmp, sizeof tmp, "C-%c", 96 + key);
201: return (tmp);
202: }
203:
204: return (NULL);
205: }