diff options
Diffstat (limited to 'apps/plugins/lib/kbd_helper.c')
-rw-r--r-- | apps/plugins/lib/kbd_helper.c | 63 |
1 files changed, 63 insertions, 0 deletions
diff --git a/apps/plugins/lib/kbd_helper.c b/apps/plugins/lib/kbd_helper.c new file mode 100644 index 0000000000..00191c3532 --- /dev/null +++ b/apps/plugins/lib/kbd_helper.c | |||
@@ -0,0 +1,63 @@ | |||
1 | /*************************************************************************** | ||
2 | * __________ __ ___. | ||
3 | * Open \______ \ ____ ____ | | _\_ |__ _______ ___ | ||
4 | * Source | _// _ \_/ ___\| |/ /| __ \ / _ \ \/ / | ||
5 | * Jukebox | | ( <_> ) \___| < | \_\ ( <_> > < < | ||
6 | * Firmware |____|_ /\____/ \___ >__|_ \|___ /\____/__/\_ \ | ||
7 | * \/ \/ \/ \/ \/ | ||
8 | * $Id$ | ||
9 | * | ||
10 | * Copyright (C) 2020 William Wilgus | ||
11 | * | ||
12 | * This program is free software; you can redistribute it and/or | ||
13 | * modify it under the terms of the GNU General Public License | ||
14 | * as published by the Free Software Foundation; either version 2 | ||
15 | * of the License, or (at your option) any later version. | ||
16 | * | ||
17 | * This software is distributed on an "AS IS" basis, WITHOUT WARRANTY OF ANY | ||
18 | * KIND, either express or implied. | ||
19 | * | ||
20 | ****************************************************************************/ | ||
21 | #include "plugin.h" | ||
22 | #include "kbd_helper.h" | ||
23 | |||
24 | /* USAGE: | ||
25 | unsigned short kbd[64]; | ||
26 | unsigned short *kbd_p = kbd; | ||
27 | if (!kbd_create_layout("ABCD1234\n", kbd, sizeof(kbd))) | ||
28 | kbd_p = NULL; | ||
29 | |||
30 | rb->kbd_input(buf,sizeof(buf), kbd_p); | ||
31 | */ | ||
32 | |||
33 | /* create a custom keyboard layout for kbd_input | ||
34 | * success returns size of buffer used | ||
35 | * failure returns 0 | ||
36 | */ | ||
37 | int kbd_create_layout(char *layout, unsigned short *buf, int bufsz) | ||
38 | { | ||
39 | unsigned short *pbuf; | ||
40 | const unsigned char *p = layout; | ||
41 | int len = 0; | ||
42 | pbuf = buf; | ||
43 | while (*p && (pbuf - buf + 8) < bufsz) | ||
44 | { | ||
45 | p = rb->utf8decode(p, &pbuf[len+1]); | ||
46 | if (pbuf[len+1] == '\n') | ||
47 | { | ||
48 | *pbuf = len; | ||
49 | pbuf += len+1; | ||
50 | len = 0; | ||
51 | } | ||
52 | else | ||
53 | len++; | ||
54 | } | ||
55 | |||
56 | if (len+1 < bufsz) | ||
57 | { | ||
58 | *pbuf = len; | ||
59 | pbuf[len+1] = 0xFEFF; /* mark end of characters */ | ||
60 | return len + 1; | ||
61 | } | ||
62 | return 0; | ||
63 | } | ||