xref: /openbmc/qemu/ui/spice-input.c (revision 864401c2a709bcb66182c02372fb60a30055a4d7)
1 /*
2  * Copyright (C) 2010 Red Hat, Inc.
3  *
4  * This program is free software; you can redistribute it and/or
5  * modify it under the terms of the GNU General Public License as
6  * published by the Free Software Foundation; either version 2 or
7  * (at your option) version 3 of the License.
8  *
9  * This program is distributed in the hope that it will be useful,
10  * but WITHOUT ANY WARRANTY; without even the implied warranty of
11  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
12  * GNU General Public License for more details.
13  *
14  * You should have received a copy of the GNU General Public License
15  * along with this program; if not, see <http://www.gnu.org/licenses/>.
16  */
17 
18 #include <stdlib.h>
19 #include <stdio.h>
20 #include <string.h>
21 
22 #include <spice.h>
23 #include <spice/enums.h>
24 
25 #include "qemu-common.h"
26 #include "qemu-spice.h"
27 #include "console.h"
28 
29 /* keyboard bits */
30 
31 typedef struct QemuSpiceKbd {
32     SpiceKbdInstance sin;
33     int ledstate;
34 } QemuSpiceKbd;
35 
36 static void kbd_push_key(SpiceKbdInstance *sin, uint8_t frag);
37 static uint8_t kbd_get_leds(SpiceKbdInstance *sin);
38 static void kbd_leds(void *opaque, int l);
39 
40 static const SpiceKbdInterface kbd_interface = {
41     .base.type          = SPICE_INTERFACE_KEYBOARD,
42     .base.description   = "qemu keyboard",
43     .base.major_version = SPICE_INTERFACE_KEYBOARD_MAJOR,
44     .base.minor_version = SPICE_INTERFACE_KEYBOARD_MINOR,
45     .push_scan_freg     = kbd_push_key,
46     .get_leds           = kbd_get_leds,
47 };
48 
49 static void kbd_push_key(SpiceKbdInstance *sin, uint8_t frag)
50 {
51     kbd_put_keycode(frag);
52 }
53 
54 static uint8_t kbd_get_leds(SpiceKbdInstance *sin)
55 {
56     QemuSpiceKbd *kbd = container_of(sin, QemuSpiceKbd, sin);
57     return kbd->ledstate;
58 }
59 
60 static void kbd_leds(void *opaque, int ledstate)
61 {
62     QemuSpiceKbd *kbd = opaque;
63 
64     kbd->ledstate = 0;
65     if (ledstate & QEMU_SCROLL_LOCK_LED) {
66         kbd->ledstate |= SPICE_KEYBOARD_MODIFIER_FLAGS_SCROLL_LOCK;
67     }
68     if (ledstate & QEMU_NUM_LOCK_LED) {
69         kbd->ledstate |= SPICE_KEYBOARD_MODIFIER_FLAGS_NUM_LOCK;
70     }
71     if (ledstate & QEMU_CAPS_LOCK_LED) {
72         kbd->ledstate |= SPICE_KEYBOARD_MODIFIER_FLAGS_CAPS_LOCK;
73     }
74     spice_server_kbd_leds(&kbd->sin, ledstate);
75 }
76 
77 void qemu_spice_input_init(void)
78 {
79     QemuSpiceKbd *kbd;
80 
81     kbd = qemu_mallocz(sizeof(*kbd));
82     kbd->sin.base.sif = &kbd_interface.base;
83     qemu_spice_add_interface(&kbd->sin.base);
84     qemu_add_led_event_handler(kbd_leds, kbd);
85 }
86