aboutsummaryrefslogtreecommitdiff
path: root/ui/spice-input.c
blob: af4223d44261eb82fe2830441b2865d355f6f40c (plain)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
175
176
177
178
179
180
181
182
183
184
185
186
187
188
189
190
191
192
193
194
195
196
197
198
199
200
201
202
203
204
205
206
207
208
209
210
211
212
213
214
215
216
217
/*
 * Copyright (C) 2010 Red Hat, Inc.
 *
 * This program is free software; you can redistribute it and/or
 * modify it under the terms of the GNU General Public License as
 * published by the Free Software Foundation; either version 2 or
 * (at your option) version 3 of the License.
 *
 * This program is distributed in the hope that it will be useful,
 * but WITHOUT ANY WARRANTY; without even the implied warranty of
 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
 * GNU General Public License for more details.
 *
 * You should have received a copy of the GNU General Public License
 * along with this program; if not, see <http://www.gnu.org/licenses/>.
 */

#include <stdlib.h>
#include <stdio.h>
#include <stdbool.h>
#include <string.h>

#include <spice.h>
#include <spice/enums.h>

#include "qemu-common.h"
#include "qemu-spice.h"
#include "console.h"

/* keyboard bits */

typedef struct QemuSpiceKbd {
    SpiceKbdInstance sin;
    int ledstate;
} QemuSpiceKbd;

static void kbd_push_key(SpiceKbdInstance *sin, uint8_t frag);
static uint8_t kbd_get_leds(SpiceKbdInstance *sin);
static void kbd_leds(void *opaque, int l);

static const SpiceKbdInterface kbd_interface = {
    .base.type          = SPICE_INTERFACE_KEYBOARD,
    .base.description   = "qemu keyboard",
    .base.major_version = SPICE_INTERFACE_KEYBOARD_MAJOR,
    .base.minor_version = SPICE_INTERFACE_KEYBOARD_MINOR,
    .push_scan_freg     = kbd_push_key,
    .get_leds           = kbd_get_leds,
};

static void kbd_push_key(SpiceKbdInstance *sin, uint8_t frag)
{
    kbd_put_keycode(frag);
}

static uint8_t kbd_get_leds(SpiceKbdInstance *sin)
{
    QemuSpiceKbd *kbd = container_of(sin, QemuSpiceKbd, sin);
    return kbd->ledstate;
}

static void kbd_leds(void *opaque, int ledstate)
{
    QemuSpiceKbd *kbd = opaque;

    kbd->ledstate = 0;
    if (ledstate & QEMU_SCROLL_LOCK_LED) {
        kbd->ledstate |= SPICE_KEYBOARD_MODIFIER_FLAGS_SCROLL_LOCK;
    }
    if (ledstate & QEMU_NUM_LOCK_LED) {
        kbd->ledstate |= SPICE_KEYBOARD_MODIFIER_FLAGS_NUM_LOCK;
    }
    if (ledstate & QEMU_CAPS_LOCK_LED) {
        kbd->ledstate |= SPICE_KEYBOARD_MODIFIER_FLAGS_CAPS_LOCK;
    }
    spice_server_kbd_leds(&kbd->sin, ledstate);
}

/* mouse bits */

typedef struct QemuSpicePointer {
    SpiceMouseInstance  mouse;
    SpiceTabletInstance tablet;
    int width, height, x, y;
    Notifier mouse_mode;
    bool absolute;
} QemuSpicePointer;

static int map_buttons(int spice_buttons)
{
    int qemu_buttons = 0;

    /*
     * Note: SPICE_MOUSE_BUTTON_* specifies the wire protocol but this
     * isn't what we get passed in via interface callbacks for the
     * middle and right button ...
     */
    if (spice_buttons & SPICE_MOUSE_BUTTON_MASK_LEFT) {
        qemu_buttons |= MOUSE_EVENT_LBUTTON;
    }
    if (spice_buttons & 0x04 /* SPICE_MOUSE_BUTTON_MASK_MIDDLE */) {
        qemu_buttons |= MOUSE_EVENT_MBUTTON;
    }
    if (spice_buttons & 0x02 /* SPICE_MOUSE_BUTTON_MASK_RIGHT */) {
        qemu_buttons |= MOUSE_EVENT_RBUTTON;
    }
    return qemu_buttons;
}

static void mouse_motion(SpiceMouseInstance *sin, int dx, int dy, int dz,
                         uint32_t buttons_state)
{
    kbd_mouse_event(dx, dy, dz, map_buttons(buttons_state));
}

static void mouse_buttons(SpiceMouseInstance *sin, uint32_t buttons_state)
{
    kbd_mouse_event(0, 0, 0, map_buttons(buttons_state));
}

static const SpiceMouseInterface mouse_interface = {
    .base.type          = SPICE_INTERFACE_MOUSE,
    .base.description   = "mouse",
    .base.major_version = SPICE_INTERFACE_MOUSE_MAJOR,
    .base.minor_version = SPICE_INTERFACE_MOUSE_MINOR,
    .motion             = mouse_motion,
    .buttons            = mouse_buttons,
};

static void tablet_set_logical_size(SpiceTabletInstance* sin, int width, int height)
{
    QemuSpicePointer *pointer = container_of(sin, QemuSpicePointer, tablet);

    if (height < 16) {
        height = 16;
    }
    if (width < 16) {
        width = 16;
    }
    pointer->width  = width;
    pointer->height = height;
}

static void tablet_position(SpiceTabletInstance* sin, int x, int y,
                            uint32_t buttons_state)
{
    QemuSpicePointer *pointer = container_of(sin, QemuSpicePointer, tablet);

    pointer->x = x * 0x7FFF / (pointer->width - 1);
    pointer->y = y * 0x7FFF / (pointer->height - 1);
    kbd_mouse_event(pointer->x, pointer->y, 0, map_buttons(buttons_state));
}


static void tablet_wheel(SpiceTabletInstance* sin, int wheel,
                         uint32_t buttons_state)
{
    QemuSpicePointer *pointer = container_of(sin, QemuSpicePointer, tablet);

    kbd_mouse_event(pointer->x, pointer->y, wheel, map_buttons(buttons_state));
}

static void tablet_buttons(SpiceTabletInstance *sin,
                           uint32_t buttons_state)
{
    QemuSpicePointer *pointer = container_of(sin, QemuSpicePointer, tablet);

    kbd_mouse_event(pointer->x, pointer->y, 0, map_buttons(buttons_state));
}

static const SpiceTabletInterface tablet_interface = {
    .base.type          = SPICE_INTERFACE_TABLET,
    .base.description   = "tablet",
    .base.major_version = SPICE_INTERFACE_TABLET_MAJOR,
    .base.minor_version = SPICE_INTERFACE_TABLET_MINOR,
    .set_logical_size   = tablet_set_logical_size,
    .position           = tablet_position,
    .wheel              = tablet_wheel,
    .buttons            = tablet_buttons,
};

static void mouse_mode_notifier(Notifier *notifier, void *data)
{
    QemuSpicePointer *pointer = container_of(notifier, QemuSpicePointer, mouse_mode);
    bool is_absolute  = kbd_mouse_is_absolute();

    if (pointer->absolute == is_absolute) {
        return;
    }

    if (is_absolute) {
        qemu_spice_add_interface(&pointer->tablet.base);
    } else {
        spice_server_remove_interface(&pointer->tablet.base);
    }
    pointer->absolute = is_absolute;
}

void qemu_spice_input_init(void)
{
    QemuSpiceKbd *kbd;
    QemuSpicePointer *pointer;

    kbd = g_malloc0(sizeof(*kbd));
    kbd->sin.base.sif = &kbd_interface.base;
    qemu_spice_add_interface(&kbd->sin.base);
    qemu_add_led_event_handler(kbd_leds, kbd);

    pointer = g_malloc0(sizeof(*pointer));
    pointer->mouse.base.sif  = &mouse_interface.base;
    pointer->tablet.base.sif = &tablet_interface.base;
    qemu_spice_add_interface(&pointer->mouse.base);

    pointer->absolute = false;
    pointer->mouse_mode.notify = mouse_mode_notifier;
    qemu_add_mouse_mode_change_notifier(&pointer->mouse_mode);
    mouse_mode_notifier(&pointer->mouse_mode, NULL);
}