qemu/ui/spice-input.c

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/*
* 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 "qemu/osdep.h"
#include <spice.h>
#include <spice/enums.h>
#include "qemu-common.h"
#include "ui/qemu-spice.h"
#include "ui/console.h"
#include "keymaps.h"
#include "ui/input.h"
/* keyboard bits */
typedef struct QemuSpiceKbd {
SpiceKbdInstance sin;
int ledstate;
bool emul0;
size_t pauseseq;
} 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 scancode)
{
static const uint8_t pauseseq[] = { 0xe1, 0x1d, 0x45, 0xe1, 0x9d, 0xc5 };
QemuSpiceKbd *kbd = container_of(sin, QemuSpiceKbd, sin);
int keycode;
bool up;
if (scancode == SCANCODE_EMUL0) {
kbd->emul0 = true;
return;
}
if (scancode == pauseseq[kbd->pauseseq]) {
kbd->pauseseq++;
if (kbd->pauseseq == G_N_ELEMENTS(pauseseq)) {
qemu_input_event_send_key_qcode(NULL, Q_KEY_CODE_PAUSE, true);
kbd->pauseseq = 0;
}
return;
} else {
kbd->pauseseq = 0;
}
keycode = scancode & ~SCANCODE_UP;
up = scancode & SCANCODE_UP;
if (kbd->emul0) {
kbd->emul0 = false;
keycode |= SCANCODE_GREY;
}
qemu_input_event_send_key_number(NULL, keycode, !up);
}
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, kbd->ledstate);
}
/* mouse bits */
typedef struct QemuSpicePointer {
SpiceMouseInstance mouse;
SpiceTabletInstance tablet;
int width, height;
uint32_t last_bmask;
Notifier mouse_mode;
bool absolute;
} QemuSpicePointer;
static void spice_update_buttons(QemuSpicePointer *pointer,
int wheel, uint32_t button_mask)
{
static uint32_t bmap[INPUT_BUTTON__MAX] = {
[INPUT_BUTTON_LEFT] = 0x01,
[INPUT_BUTTON_MIDDLE] = 0x04,
[INPUT_BUTTON_RIGHT] = 0x02,
[INPUT_BUTTON_WHEEL_UP] = 0x10,
[INPUT_BUTTON_WHEEL_DOWN] = 0x20,
};
if (wheel < 0) {
button_mask |= 0x10;
}
if (wheel > 0) {
button_mask |= 0x20;
}
if (pointer->last_bmask == button_mask) {
return;
}
qemu_input_update_buttons(NULL, bmap, pointer->last_bmask, button_mask);
pointer->last_bmask = button_mask;
}
static void mouse_motion(SpiceMouseInstance *sin, int dx, int dy, int dz,
uint32_t buttons_state)
{
QemuSpicePointer *pointer = container_of(sin, QemuSpicePointer, mouse);
spice_update_buttons(pointer, dz, buttons_state);
qemu_input_queue_rel(NULL, INPUT_AXIS_X, dx);
qemu_input_queue_rel(NULL, INPUT_AXIS_Y, dy);
qemu_input_event_sync();
}
static void mouse_buttons(SpiceMouseInstance *sin, uint32_t buttons_state)
{
QemuSpicePointer *pointer = container_of(sin, QemuSpicePointer, mouse);
spice_update_buttons(pointer, 0, buttons_state);
qemu_input_event_sync();
}
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);
spice_update_buttons(pointer, 0, buttons_state);
qemu_input_queue_abs(NULL, INPUT_AXIS_X, x, 0, pointer->width);
qemu_input_queue_abs(NULL, INPUT_AXIS_Y, y, 0, pointer->height);
qemu_input_event_sync();
}
static void tablet_wheel(SpiceTabletInstance* sin, int wheel,
uint32_t buttons_state)
{
QemuSpicePointer *pointer = container_of(sin, QemuSpicePointer, tablet);
spice_update_buttons(pointer, wheel, buttons_state);
qemu_input_event_sync();
}
static void tablet_buttons(SpiceTabletInstance *sin,
uint32_t buttons_state)
{
QemuSpicePointer *pointer = container_of(sin, QemuSpicePointer, tablet);
spice_update_buttons(pointer, 0, buttons_state);
qemu_input_event_sync();
}
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 = qemu_input_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);
}