xref: /openbmc/qemu/ui/keymaps.h (revision 406d2aa2)
1 /*
2  * QEMU keysym to keycode conversion using rdesktop keymaps
3  *
4  * Copyright (c) 2004 Johannes Schindelin
5  *
6  * Permission is hereby granted, free of charge, to any person obtaining a copy
7  * of this software and associated documentation files (the "Software"), to deal
8  * in the Software without restriction, including without limitation the rights
9  * to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
10  * copies of the Software, and to permit persons to whom the Software is
11  * furnished to do so, subject to the following conditions:
12  *
13  * The above copyright notice and this permission notice shall be included in
14  * all copies or substantial portions of the Software.
15  *
16  * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
17  * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
18  * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL
19  * THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
20  * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
21  * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
22  * THE SOFTWARE.
23  */
24 
25 #ifndef QEMU_KEYMAPS_H
26 #define QEMU_KEYMAPS_H
27 
28 #include "qemu-common.h"
29 
30 typedef struct {
31 	const char* name;
32 	int keysym;
33 } name2keysym_t;
34 
35 struct key_range {
36     int start;
37     int end;
38     struct key_range *next;
39 };
40 
41 #define MAX_NORMAL_KEYCODE 512
42 #define MAX_EXTRA_COUNT 256
43 typedef struct {
44     uint16_t keysym2keycode[MAX_NORMAL_KEYCODE];
45     struct {
46 	int keysym;
47 	uint16_t keycode;
48     } keysym2keycode_extra[MAX_EXTRA_COUNT];
49     int extra_count;
50     struct key_range *keypad_range;
51     struct key_range *numlock_range;
52 } kbd_layout_t;
53 
54 /* scancode without modifiers */
55 #define SCANCODE_KEYMASK 0xff
56 /* scancode without grey or up bit */
57 #define SCANCODE_KEYCODEMASK 0x7f
58 
59 /* "grey" keys will usually need a 0xe0 prefix */
60 #define SCANCODE_GREY   0x80
61 #define SCANCODE_EMUL0  0xE0
62 #define SCANCODE_EMUL1  0xE1
63 /* "up" flag */
64 #define SCANCODE_UP     0x80
65 
66 /* Additional modifiers to use if not catched another way. */
67 #define SCANCODE_SHIFT  0x100
68 #define SCANCODE_CTRL   0x200
69 #define SCANCODE_ALT    0x400
70 #define SCANCODE_ALTGR  0x800
71 
72 
73 void *init_keyboard_layout(const name2keysym_t *table, const char *language);
74 int keysym2scancode(void *kbd_layout, int keysym);
75 int keycode_is_keypad(void *kbd_layout, int keycode);
76 int keysym_is_numlock(void *kbd_layout, int keysym);
77 
78 #endif /* QEMU_KEYMAPS_H */
79