Subversion Repositories HelenOS

Rev

Go to most recent revision | Details | Last modification | View Log | RSS feed

Rev Author Line No. Line
4377 svoboda 1
/*
2
 * Copyright (c) 2009 Jiri Svoboda
3
 * All rights reserved.
4
 *
5
 * Redistribution and use in source and binary forms, with or without
6
 * modification, are permitted provided that the following conditions
7
 * are met:
8
 *
9
 * - Redistributions of source code must retain the above copyright
10
 *   notice, this list of conditions and the following disclaimer.
11
 * - Redistributions in binary form must reproduce the above copyright
12
 *   notice, this list of conditions and the following disclaimer in the
13
 *   documentation and/or other materials provided with the distribution.
14
 * - The name of the author may not be used to endorse or promote products
15
 *   derived from this software without specific prior written permission.
16
 *
17
 * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR
18
 * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
19
 * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
20
 * IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT,
21
 * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
22
 * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
23
 * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
24
 * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
25
 * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
26
 * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
27
 */
28
 
29
/** @addtogroup kbd
30
 * @brief   US QWERTY leyout.
31
 * @{
32
 */
33
 
34
#include <kbd.h>
35
#include <kbd/kbd.h>
36
#include <kbd/keycode.h>
37
#include <layout.h>
38
 
39
static void layout_reset(void);
40
static wchar_t layout_parse_ev(kbd_event_t *ev);
41
 
42
layout_op_t us_qwerty_op = {
43
    layout_reset,
44
    layout_parse_ev
45
};
46
 
47
static wchar_t map_lcase[] = {
48
    [KC_Q] = 'q',
49
    [KC_W] = 'w',
50
    [KC_E] = 'e',
51
    [KC_R] = 'r',
52
    [KC_T] = 't',
53
    [KC_Y] = 'y',
54
    [KC_U] = 'u',
55
    [KC_I] = 'i',
56
    [KC_O] = 'o',
57
    [KC_P] = 'p',
58
 
59
    [KC_A] = 'a',
60
    [KC_S] = 's',
61
    [KC_D] = 'd',
62
    [KC_F] = 'f',
63
    [KC_G] = 'g',
64
    [KC_H] = 'h',
65
    [KC_J] = 'j',
66
    [KC_K] = 'k',
67
    [KC_L] = 'l',
68
 
69
    [KC_Z] = 'z',
70
    [KC_X] = 'x',
71
    [KC_C] = 'c',
72
    [KC_V] = 'v',
73
    [KC_B] = 'b',
74
    [KC_N] = 'n',
75
    [KC_M] = 'm',
76
};
77
 
78
static wchar_t map_ucase[] = {
79
    [KC_Q] = 'Q',
80
    [KC_W] = 'W',
81
    [KC_E] = 'E',
82
    [KC_R] = 'R',
83
    [KC_T] = 'T',
84
    [KC_Y] = 'Y',
85
    [KC_U] = 'U',
86
    [KC_I] = 'I',
87
    [KC_O] = 'O',
88
    [KC_P] = 'P',
89
 
90
    [KC_A] = 'A',
91
    [KC_S] = 'S',
92
    [KC_D] = 'D',
93
    [KC_F] = 'F',
94
    [KC_G] = 'G',
95
    [KC_H] = 'H',
96
    [KC_J] = 'J',
97
    [KC_K] = 'K',
98
    [KC_L] = 'L',
99
 
100
    [KC_Z] = 'Z',
101
    [KC_X] = 'X',
102
    [KC_C] = 'C',
103
    [KC_V] = 'V',
104
    [KC_B] = 'B',
105
    [KC_N] = 'N',
106
    [KC_M] = 'M',
107
};
108
 
109
static wchar_t map_not_shifted[] = {
110
    [KC_BACKTICK] = '`',
111
 
112
    [KC_1] = '1',
113
    [KC_2] = '2',
114
    [KC_3] = '3',
115
    [KC_4] = '4',
116
    [KC_5] = '5',
117
    [KC_6] = '6',
118
    [KC_7] = '7',
119
    [KC_8] = '8',
120
    [KC_9] = '9',
121
    [KC_0] = '0',
122
 
123
    [KC_MINUS] = '-',
124
    [KC_EQUALS] = '=',
125
 
126
    [KC_LBRACKET] = '[',
127
    [KC_RBRACKET] = ']',
128
 
129
    [KC_SEMICOLON] = ';',
130
    [KC_QUOTE] = '\'',
131
    [KC_BACKSLASH] = '\\',
132
 
133
    [KC_COMMA] = ',',
134
    [KC_PERIOD] = '.',
135
    [KC_SLASH] = '/',
136
};
137
 
138
static wchar_t map_shifted[] = {
139
    [KC_BACKTICK] = '~',
140
 
141
    [KC_1] = '!',
142
    [KC_2] = '@',
143
    [KC_3] = '#',
144
    [KC_4] = '$',
145
    [KC_5] = '%',
146
    [KC_6] = '^',
147
    [KC_7] = '&',
148
    [KC_8] = '*',
149
    [KC_9] = '(',
150
    [KC_0] = ')',
151
 
152
    [KC_MINUS] = '_',
153
    [KC_EQUALS] = '+',
154
 
155
    [KC_LBRACKET] = '{',
156
    [KC_RBRACKET] = '}',
157
 
158
    [KC_SEMICOLON] = ':',
159
    [KC_QUOTE] = '"',
160
    [KC_BACKSLASH] = '|',
161
 
162
    [KC_COMMA] = '<',
163
    [KC_PERIOD] = '>',
164
    [KC_SLASH] = '?',
165
};
166
 
167
static wchar_t map_neutral[] = {
168
    [KC_BACKSPACE] = '\b',
169
    [KC_TAB] = '\t',
170
    [KC_ENTER] = '\n',
171
    [KC_SPACE] = ' ',
172
 
173
    [KC_NSLASH] = '/',
174
    [KC_NTIMES] = '*',
175
    [KC_NMINUS] = '-',
176
    [KC_NPLUS] = '+',
177
    [KC_NENTER] = '\n'
178
};
179
 
180
static wchar_t map_numeric[] = {
181
    [KC_N7] = '7',
182
    [KC_N8] = '8',
183
    [KC_N9] = '9',
184
    [KC_N4] = '4',
185
    [KC_N5] = '5',
186
    [KC_N6] = '6',
187
    [KC_N1] = '1',
188
    [KC_N2] = '2',
189
    [KC_N3] = '3',
190
 
191
    [KC_N0] = '0',
192
    [KC_NPERIOD] = '.'
193
};
194
 
195
static wchar_t translate(unsigned int key, wchar_t *map, size_t map_length)
196
{
197
    if (key >= map_length)
198
        return 0;
199
    return map[key];
200
}
201
 
202
static void layout_reset(void)
203
{
204
}
205
 
206
static wchar_t layout_parse_ev(kbd_event_t *ev)
207
{
208
    wchar_t c;
209
 
210
    /* Produce no characters when Ctrl or Alt is pressed. */
211
    if ((ev->mods & (KM_CTRL | KM_ALT)) != 0)
212
        return 0;
213
 
214
    c = translate(ev->key, map_neutral, sizeof(map_neutral) / sizeof(wchar_t));
215
    if (c != 0)
216
        return c;
217
 
218
    if (((ev->mods & KM_SHIFT) != 0) ^ ((ev->mods & KM_CAPS_LOCK) != 0))
219
        c = translate(ev->key, map_ucase, sizeof(map_ucase) / sizeof(wchar_t));
220
    else
221
        c = translate(ev->key, map_lcase, sizeof(map_lcase) / sizeof(wchar_t));
222
 
223
    if (c != 0)
224
        return c;
225
 
226
    if ((ev->mods & KM_SHIFT) != 0)
227
        c = translate(ev->key, map_shifted, sizeof(map_shifted) / sizeof(wchar_t));
228
    else
229
        c = translate(ev->key, map_not_shifted, sizeof(map_not_shifted) / sizeof(wchar_t));
230
 
231
    if (c != 0)
232
        return c;
233
 
234
    if ((ev->mods & KM_NUM_LOCK) != 0)
235
        c = translate(ev->key, map_numeric, sizeof(map_numeric) / sizeof(wchar_t));
236
    else
237
        c = 0;
238
 
239
    return c;
240
}
241
 
242
/**
243
 * @}
244
 */